EM08MR32UM [ETC]
M68EM08MR32 M68EM08MR32 Emulation Module Users Manual ; M68EM08MR32 M68EM08MR32仿真模块用户手册\n
| 型号： | EM08MR32UM |
| 厂家： | 
ETC |
| 描述： | M68EM08MR32 M68EM08MR32 Emulation Module Users Manual
|
| 文件： | 总42页 (文件大小：478K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Freescale Semiconductor, Inc.
EM08MR32UM/ D
M68EM08MR32
EMULATIO N MO DULE
USER’S MANUAL
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Freescale Semiconductor, Inc.
Use r’s Ma nua l
Motorola reserves the right to make changes without further notice to
any products herein to improve reliability, function or design. Motorola
does not assume any liability arising out of the application or use of any
product or circuit described herein; neither does it convey any license
under its patent rights nor the rights of others. Motorola products are not
designed, intended, or authorized for use as components in systems
intended for surgical implant into the body, or other applications intended
to support or sustain life, or for any other application in which the failure
of the Motorola product could create a situation where personal injury or
death may occur. Should Buyer purchase or use Motorola products for
any such unintended or unauthorized application, Buyer shall indemnify
and hold Motorola and its officers, employees, subsidiaries, affiliates,
and distributors harmless against all claims, costs, damages, and
expenses, and reasonable attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such
unintended or unauthorized use, even if such claim alleges that Motorola
was negligent regarding the design or manufacture of the part.
© Motorola, Inc., 2000; All Rights Reserved
User’s Manual
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User’s Manual — M68EM08MR32
List of Sections
Section 1. General Description . . . . . . . . . . . . . . . . . . . . .9
Section 2. Configuration and Operation . . . . . . . . . . . . .15
Section 3. Connector Information . . . . . . . . . . . . . . . . . .21
Section 4. Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . .31
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List of Sections
User’s Manual
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User’s Manual — M68EM08MR32
Table of Contents
Section 1. General Description
1.1
1.2
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.3
1.3.1
1.3.2
Development Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Motorola Modular Development System (MMDS). . . . . . . . . . . . 10
Motorola Modular Evaluation System (MMEVS). . . . . . . . . . . . . 11
1.4
1.5
EM Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Section 2. Configuration and Operation
2.1
2.2
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.3
Setting Jumper Headers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Clock Source Selection Header (W1) . . . . . . . . . . . . . . . . . . . . . . 17
ADC Mode Selection Header (W2). . . . . . . . . . . . . . . . . . . . . . . . 18
MCU Device Selection Header (W3) . . . . . . . . . . . . . . . . . . . . . . 18
2.3.1
2.3.2
2.3.3
2.4
Remaining System Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Section 3. Connector Information
3.1
3.2
3.3
3.4
3.5
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Logic Analyzer Connector (j1 and j2) . . . . . . . . . . . . . . . . . . . . . . . . 22
Target Connectors (J4 and J5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Target Cable Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Section 4. Schematics
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List of Figures and Tables
Figure
Title
Page
1-1
M68EML08MR32 Emulator Module. . . . . . . . . . . . . . . . . . . . . . . . . 12
2-1
2-2
2-3
Jumper Header W1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Jumper Header W2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Jumper Header P8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3-1
3-2
3-3
Logic Analyzer Connectors J1 and J2 Pin Assignments . . . . . . . . . . 22
Target Connectors J4 and J5 Pin Assignments. . . . . . . . . . . . . . . . . . 24
Target Cable Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Table
Title
Page
1-1
2-1
M68EML08MR32 Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Jumper Headers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3-1
3-2
3-3
3-4
Logic Analyzer Connector J1 Signal Descriptions. . . . . . . . . . . . . . . 23
Logic Analyzer Connector J2 Signal Descriptions. . . . . . . . . . . . . . . 23
Target Connectors J4 Signal Descriptions . . . . . . . . . . . . . . . . . . . . . 25
Target Connectors J5 Signal Descriptions . . . . . . . . . . . . . . . . . . . . . 27
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List of Figures and Tables
User’s Manual
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User’s Manual — M68EM08MR32
Section 1. General Description
1.1 Contents
1.2
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.3
1.3.1
1.3.2
Development Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Motorola Modular Development System (MMDS). . . . . . . . . . . . 10
Motorola Modular Evaluation System (MMEVS). . . . . . . . . . . . . 11
1.4
1.5
EM Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
1.2 Introduction
This user’s manual explains connection, configuration, and operation
information specific to the M68EML08MR32 emulator module (MR32EM).
The MR32EM allows emulations and debugging of target systems based on
these microcontroller units (MCUs):
•
•
MC68HC908MR16
MC68HC908MR32
This section describes Motorola’s two development systems that use the
MR32EM, and it explains the MR32EM’s layout.
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General Description
1.3 Development Systems
The MR32EM can be part of two Motorola development systems:
•
•
M68MMDS0508 modular development system (MMDS)
M68MMEVS0508 evaluation system (MMEVS)
1.3.1 Motorola Modular Development System (MMDS)
The MMDS is an emulator system that provides a bus state analyzer and
real-time memory windows. The unit's integrated design environment includes
an editor, an assembler, user interface, and source-level debugger.
A complete MMDS consists of:
•
•
•
Station module — The metal MMDS enclosure containing the control
board and the internal power supply
Emulator module (EM) — A separately purchased printed circuit board
that enables system functionality for a specific set of MCUs
Two logic clip cable assemblies — Twisted-pair cables that connect the
station module to the target system, a test fixture, a clock, an oscillator,
or any other circuitry useful for evaluation or analysis. One end of each
cable assembly has a molded connector, which fits into station-module
pod A or pod B. Leads at the other end of each cable terminate in female
probe tips. Ball clips come with the cable assemblies.
•
•
9-lead RS-232 serial cable — Cable that connects the station module to
the host computer RS-232 port
9- to 25-pin adapter — A molded assembly that connects the 9-pin cable
to a 25-pin serial port
•
•
System software — Software on 3-1/2 inch diskettes
MMDS documentation — MMDS Operations Manual, Motorola
document order number MMDS0508OM/D; the MCUez software
manual, included with the MCUez software package; a system software
manual, included with the P&E Microcomputer System, Inc.’s
MMDS0508 software package; and this EM user's manual (this manual)
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General Description
Development Systems
MMDS baud rates are selected by the user at 2400, 4800, 9600, 19,200, 38,400,
or 57,600.
As mentioned, the MR32EM gives the MMDS the ability to emulate target
systems based on MC68HC908MR16 and MC68HC908MR32 MCUs. By
substituting a different EM, MMDS can be enabled to emulate target systems
based on a different MCU. (A local Motorola representative can explain all the
EMs available.)
1.3.2 Motorola Modular Evaluation System (MMEVS)
An MMEVS is an economical, two-board tool for designing, debugging, and
evaluating target systems based on MC68HC05 or MC68HC08 MCUs.
A complete MMEVS consists of:
•
Platform board (PFB) — The bottom board, which supports the emulator
module; has connectors for power and for a terminal or host computer
•
Emulator module (EM) — A separately purchased printed circuit board
that enables system functionality for a specific set of MCUs; fits onto
the PFB
•
RS-232 serial cable — A separately purchased cable that connects the
PFB to the host computer RS-232 port
•
•
System software — Software on 3-1/2 inch diskettes
MMEVS documentation — MMEVS Operations Manual, Motorola
document order number MMEVSOM/D; the MCUez software manual,
included with the MCUez software package; a system software manual,
included with the P&E Microcomputer System, Inc.’s MMDS0508
software package; and this emulator user's manual
An MMEVS features automatic selection of the communication baud rate from
these choices: 2400, 4800, 9600, 19,200, 38,400, or 57,600.
With a MR32EM, the MMEVS emulates target systems based on
MC68HC908MR16 and MC68HC908MR32 MCUs. By substituting a different
EM, the MMEVS can be enabled to emulate target systems based on a different
MCU. (A local Motorola representative can explain all the EMs available.)
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General Description
Section 2. Configuration and Operation explains how to configure and use
the MR32EM as part of an MMDS or MMEVS system.
1.4 EM Layout
Figure 1-1 shows the layout of the MR32EM.
XU3
W2
J1
E1
E4
P2
P1
Y1
J2
E3
W3
J4
J5
XY2
XU8
J3
W1
E5
E2
Figure 1-1. M68EML08MR32 Emulator Module
The main elements of the MR32EM are:
•
DIN connectors P1 and P2 — Connect the EM to the MMDS control
board or the MMEVS platform board
•
•
•
•
Connectors J1 and J2 — Permits connection to a logic analyzer
Connectors J4 and J5 — Customer specific interfaces to the target system
Jumper header W1 — Selects the source of the oscillator frequency
Jumper header W2 — Selects the analog-to-digital (A/D) mode
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Specifications
•
•
•
•
•
Jumper header W3 — Defines the type of MCU to be emulated
Location XU8 — Resident MCU installed in this socket
Location XU3 — Port replacement unit (PRU) installed in this socket
Location XY2 — EM's canned oscillator
Location Y1 — Socket for a user-supplied crystal (an alternative
clock-signal source)
The MR32EM requires a user-supplied 80-lead target cable and target head
adapter to connect the target system to connectors P6 and P7.
1.5 Specifications
Table 1-1 lists MR32EM specifications.
Table 1-1. M68EML08MR32 Specifications
Characteristics
Specifications
MCU extension I/O ports HCMOS compatible
Operating temperature
Storage temperature
Relative humidity
0° to +40°C
–40° to +85°C
0 to 90%, non-condensing
5 volts dc, provided from the MMDS control board or
MMEVS platform board
Power requirements
Dimensions
Weight
5.5 x 8.2 inches (140 x 208 mm)
6.3 ounces (178.6 g)
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User’s Manual — M68EM08MR32
Section 2. Configuration and Operation
2.1 Contents
2.2
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.3
Setting Jumper Headers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Clock Source Header (P3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Factory Test Select Header (P5) . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Factory Test Select Header (P8) . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.3.1
2.3.2
2.3.3
2.4
Remaining System Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
2.2 Introduction
This section explains configuration and operation of the M68EM08MR32
(MR32EM) when it is installed in an MMDS (Motorola modular development
system) or MMEVS (Motorola modular evaluation system). For other parts of
system installation or configuration, see the MMDS or MMEVS hardware
manuals.
NOTE: An MR32EM already installed in an MMDS station module can be
reconfigured. To do so, switch off station-module power, then follow the
guidance in this section. Similarly, an MR32EM that is already installed on the
MMEVS platform board can be reconfigured, provided that platform-board
power is disconnected.
CAUTION: Be sure to switch off or disconnect power when reconfiguring an installed EM.
Reconfiguring EM jumper headers with the power on can damage system
circuits.
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Configuration and Operation
ESD CAUTION: Ordinary amounts of static electricity from clothing or the work environment
can damage or degrade electronic devices and equipment. For example, the
electronic components installed on printed circuit boards are extremely
sensitive to electrostatic discharge (ESD). Wear a ground wrist strap whenever
handling any printed circuit board. This strap provides a conductive path for
safely discharging static electricity to ground.
2.3 Setting Jumper Headers
The MR32EM has three jumper headers. Table 2-1 contains a summary of
settings for these headers. 2.3.1 Clock Source Selection Header (W1),
2.3.2 ADC Mode Selection Header (W2), and 2.3.3 MCU Device Selection
Header (W3) give additional information about each jumper header.
Table 2-1. Jumper Headers
Jumper
Header
Type
Description
Jumper header installed on pins 1 and 2 – selects the
control board or platform board as the source of the
clock signal.
Jumper header installed on pins 3 and 4 (factory
setting) – selects the XY2 canned oscillator as the
source of the clock signal.
W1
Jumper header installed on pins 5 and 6 – Selects a
user-supplied crystal (at location Y1) as the source of
the clock signal.
Jumper header installed on pins 1 and 2 – selects 8-bit
mode as the default out of reset.
W2
W3
Jumper header installed on pins 2 and 3 (factory
setting) – selects 10-bit, right-justified mode as the
default out of reset.
Jumper header installed on pins 1 and 2 – selects the
EM08MR16 as the resident MCU.
Jumper header installed on pins 2 and 3 (factory setting) –
selects the EM08MR32 as the resident MCU.
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Configuration and Operation
Setting Jumper Headers
2.3.1 Clock Source Selection Header (W1)
Jumper header W1 in Figure 2-1 determines the clock signal source. The
factory configuration (the fabricated jumper between pins 3 and 4) selects the
canned oscillator at board location XY2. (The factory installs a
4.9152-megahertz oscillator at location XY2, but any other appropriate
oscillator may be substituted.)
.
Figure 2-1. Jumper Header W1
Alternately, two other clock signal sources can be selected, as shown in
Figure 2-1. To use the MMDS as your clock source:
1. Install the jumper between pins 1 and 2 on jumper header W1
2. Use the appropriate system software command to select a frequency.
You may also use a user-supplied crystal as your clock-signal source. To use
your own crystal:
1. Install the jumper between pins 5 and 6 on jumper header W1
2. Install a C-2 size crystal at board location Y1
3. Install these additional components:
–
A 9.1 MΩ resistor at location R9
– A 200 kΩ resistor at location R12
– A 27 pf capacitor at location C28
– A 22 pf capacitor at location C32
NOTE: Only one jumper should be inserted on jumper header W1 at a time. Inserting
multiple jumpers in W1 might damage the MR32EM.
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Configuration and Operation
2.3.2 ADC Mode Selection Header (W2)
Jumper header W2 selects the A/D converter mode out of reset. The diagram
below shows the factory configuration: the jumper between pins 2 and 3 selects
10-bit, right-justified mode
Figure 2-2. Jumper Header W2
Alternatively, eight-bit mode may be selected. To select the eight-bit mode
install the jumper between pins 1 and 2.
2.3.3 MCU Device Selection Header (W3)
Use jumper header W3 to configure the MR32EM to emulate either the
MC68HC908MR16 or MC68HC908MR32 MCU. The diagram below shows
the MR32EM set to emulate the MR32 (factory default); the jumper between
pins 2 and 3.
Figure 2-3. Jumper Header P8
Alternatively, the MR16 mode may be selected. To emulate the MR16, install
an MC68HC908MR16 MCU in the socket at location XU8 and install the
jumper between pins 1 and 2.ve the jumper from P8 and connect an external
power supply to P8 pin 1
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Configuration and Operation
Remaining System Installation
2.4 Remaining System Installation
When all jumper headers are configured, follow these steps to complete the
MR32EM installation:
•
•
•
To install the MR32EM in an MMDS station module, remove the entire
top half of the station-module enclosure. Fit together EM connectors P1
and P2 (on the bottom of the board) and control-board connectors P1 and
P2. Snap the corners of the EM onto the plastic standoffs.
To install the MR32EM on an MMEVS platform board, fit together EM
connectors P1 and P2 (on the bottom of the board) and platform-board
connectors P3 and P4. Snap the corners of the EM onto the plastic
standoffs.
You may use either the P&E or MCUez software with your MMDS or
MMEVS: Copy the personality file from the provided P&E or MCUez
CD-ROM to the directory that contains the debugging software. The
personality files for the MR32EM are:
– When using the P&E software, copy personality files
0042CV0x.MEM and 0042DV0x.MEM from the P&E CD-ROM to the
directory that contains file MMDS08.EXE.
– When using MCUez development software, copy personality files
0042CV0x.MEM and 0042DV0x.MEM from the MCUez CD-ROM to
the …\prog\mem subdirectory of the MCUez main directory.
NOTE: Additionally, a register file (MCU042C.REG and MCU042D.REG) may be
necessary when using MCUez development software. MCUez software uses
these files to implement optional functionality: letting you view or modify
register contents by name, rather than by address. A register file is an ASCII
text file, which can be customized. (The MCUez user’s manual explains how to
create and use such files.)
At this point, make any system cable connections and restore power. For
instructions, consult the MMDS or MMEVS operations manuals.
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User’s Manual — M68EM08MR32
Section 3. Connector Information
3.1 Contents
3.2
3.3
3.4
3.5
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Logic Analyzer Connector (J1 and J2) . . . . . . . . . . . . . . . . . . . . . . . . 22
Target Connectors (J4 and J5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Target Cable Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3.2 Introduction
This section consists of pin assignments and signal descriptions for
M68EM08MR32 target and logic analyzer connectors.
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Connector Information
3.3 Logic Analyzer Connector (J1 and J2)
Connectors J1 and J2 are the MR32EM logic analyzer connectors.
Figure 3-1 shows the pin assignments for connector P1. Table 3-1 and
Table 3-2 gives the logic analyzer connectors signal descriptions.
J1
J2
NC
T12
1
3
5
7
9
•
•
•
•
•
•
•
•
•
•
•
2
4
6
8
NC
NC
NC
1
3
5
7
9
•
•
•
•
•
•
•
•
•
•
•
2
4
6
8
NC
•
•
•
•
•
•
•
•
•
LBOX
NC
•
•
•
•
•
•
•
•
•
A15
A13
A11
RSTB
NC
A14
A12
A10
NC
NC
10 R/W
12 D7
14 D5
16 D3
18 D1
20 GND
10 A9
12 A7
14 A5
16 A3
18 A1
20 GND
LIRB 11
D6 13
D4 15
D2 17
D0 19
A8 11
A6 13
A4 15
A2 17
A0 19
Figure 3-1. Logic Analyzer Connectors J1 and J2 Pin Assignments
User’s Manual
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Logic Analyzer Connector (j1 and j2)
Table 3-1. Logic Analyzer Connector J1
Signal Descriptions
Pin
Mnemonic
Signal
1, 2
NC
No connection
SYSTEM CLOCK – Clock signal (selected by jumper header
W4).
3
4
T12
Last bus cycle — Input signal that the emulator asserts to
indicate that the target system MCU is in the last bus cycle of
an instruction
LBOX
5
RSTB
NC
RESET – Active-low signal asserted during resets.
No connection
6 – 9
Read/Write — Output signal that indicates the direction of
data transfer
10
11
R/W
LIR
Load instruction register — Active-low output signal,
indicating that an opcode fetch is in progress
12 –
19
AD4
Data bus (bits 7 – 0)— MCU bidirectional data bus
20
GND
GROUND
Table 3-2. Logic Analyzer Connector J2
Signal Descriptions
Pin
Mnemonic
Signal
1, 3
NC
A15 – A0
GND
No connection
4 –
19
ADDRESS (bits 15–0) – MCU output address bus.
GROUND
20
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Connector Information
3.4 Target Connectors (J4 and J5)
MR32EM has two target connectors: J4 and J5, each a 2-row by-20-pin
connector.
Figure 3-2, Table 3-3, and Table 3-4 give the pin assignments and signal
descriptions for these connectors.
J4
J5
GND
PB7
NC
1
3
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
2
4
6
8
PB4
GND
NC
PB2
PB5
PC0
NC
1
3
5
7
9
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
2
4
6
8
PB3
PB6
PC1
NC
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
5
PB0
PA5
PA1
7
PB1
9
10 PA6
12 PA2
14 NC
GND
10 PA7
11
PA3 11
PA0 13
12 PA4
NC 13
NC 15
14 GND
16 NC
16 NC
CLKB 15
RSTB 17
PTF3 19
PTF0 21
PTE6 23
PTE3 25
GND 27
PWM4 29
PTD6 31
PTD2 33
PTD1 35
PC5 37
PTF5 17
GND 19
EVDD 21
PTE4 23
PTE1 25
PWM5 27
PWM2 29
PTD4 31
NC 33
18 PTF4
20 PTF1
22 PTE7
24 GND
26 PTE0
28 NC
18 IRQ1B
20 PTF2
22 GND
24 PTE5
26 PTE2
28 PWM6
30 PWM3
32 GND
34 PTD3
36 NC
30 PWM1
32 PTD5
34 NC
PC6 35
PC4 37
PC2 39
36 PTD0
38 GND
40 GND
38 GND
40 GND
PC3 39
Figure 3-2. Target Connectors J4 and J5 Pin Assignments
User’s Manual
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Target Connectors (J4 and J5)
Table 3-3. Target Connectors J4 Signal Descriptions
Pin
Mnemonic
Signal
1
GND
GROUND — Ground signal of the EM board
PORT B (bits 4 and 7) — General-purpose I/O lines
controlled by software via data direction and data
registers
2, 3
PB4, PB7
4
GND
NC
GROUND — Ground signal of the EM board
No connect
5, 6
PORT B (bits 0 and 1) — General-purpose I/O lines
controlled by software via data direction and data
registers
7, 8
PB0, PB1
PORT A (bits 5, 6, 1, and 2) — General-purpose I/O
lines controlled by software via data direction and data
registers
PA5, PA6,
PA1, PA2
9 – 12
13 – 16
17, 18
NC
No connect
PORT F (bits 5 and 4) — General-purpose I/O lines
controlled by software via data direction and data
registers
PTF5, PTF4
19
20
GND
PTF1
GROUND — Ground signal of the EM board
PORT F (bit 1) — General-purpose I/O lines controlled
by software via data direction and data registers
EXTERNAL VOLTAGE DETECT – VDD input signal
from the target. The EM uses this signal to detect the
target-system voltage.
21
EVDD
PORT E (bits 7 and 4) — General-purpose I/O lines
22, 23
24
PTE7, PTE4 controlled by software via data direction and data
registers
GND
GROUND — Ground signal of the EM board
PORT E (bits 1 and 0) — General-purpose I/O lines
25, 26
PTE1, PTE0 controlled by software via data direction and data
registers
PULSE WIDTH MODULATOR (bit 5) – Output signals
from the MCU PWM module.
27
28
PWM5
NC
No connect
PWM2,
PWM1
PULSE WIDTH MODULATOR (bits 2 and 1) – Output
signals from the MCU PWM module.
29, 30
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Table 3-3. Target Connectors J4 Signal Descriptions (Continued)
Pin
Mnemonic
Signal
PORT D (bits 4 and 5) — General-purpose I/O lines
31, 32
PTD4, PTD5 controlled by software via data direction and data
registers
33, 34
35
NC
No connect
PORT C (bit 6) — General-purpose I/O lines controlled
by software via data direction and data registers
PC6
PORT D (bit 0) — General-purpose I/O lines controlled
by software via data direction and data registers
36
PTD0
PORT C (bit 4) — General-purpose I/O lines controlled
by software via data direction and data registers
37
38
39
40
PC4
GND
PC2
GND
GROUND — Ground signal of the EM board
PORT C (bit 2) — General-purpose I/O lines controlled
by software via data direction and data registers
GROUND — Ground signal of the EM board
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Target Connectors (J4 and J5)
Table 3-4. Target Connectors J5 Signal Descriptions
Pin
Mnemonic
Signal
PORT B (bits 2, 3, 5, and 6) — General-purpose I/O
lines controlled by software via data direction and data
registers
PB2, PB3,
PB5, PB6
1 – 4
PORT C (bits 0 and 1) — General-purpose I/O lines
controlled by software via data direction and data
registers
5, 6
PC0, PC1
7, 8
9
NC
No connect
GND
GROUND — Ground signal of the EM board
PORT A (bits 7, 3, 4, and 0) — General-purpose I/O
lines controlled by software via data direction and data
registers
PA7, PA3,
PA4, PA0
10 – 13
14
15
16
GND
CLKB
NC
GROUND — Ground signal of the EM board
INVERTED BUS CLOCK
No connect
TARGET RESET – Active-low, low-voltage signal that
initiates an MCU reset. This signal is bi-directional
between the target system and the MMDS (or
MMEVS).
17
RSTB
18
19 – 21
22
IRQ1B
PORT F (bits 3, 2, and 0) — General-purpose I/O lines
controlled by software via data direction and data
registers
PTF3, PTF2,
PTF0
GND
GROUND — Ground signal of the EM board
PORT E (bits 6, 5, 3, and 2) — General-purpose I/O
lines controlled by software via data direction and data
registers
PTE6, PTE5,
PTE3, PTE2
23 – 26
27
GND
GROUND — Ground signal of the EM board
PWM6,
PWM4,
PWM3
PULSE WIDTH MODULATOR (bits 6,4, and 3) –
Output signals from the MCU PWM module.
28 – 30
PORT D (bit 6) — General-purpose I/O lines controlled
by software via data direction and data registers
31
32
PTD6
GND
GROUND — Ground signal of the EM board
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Table 3-4. Target Connectors J5 Signal Descriptions (Continued)
Pin
Mnemonic
Signal
PORT D (bits 2, 3, and 1) — General-purpose I/O lines
controlled by software via data direction and data
registers
PTD2, PTD3,
PTD1
33 – 35
36
37
38
39
40
NC
No connect
PORT C (bit 5) — General-purpose I/O lines controlled
by software via data direction and data registers
PC5
GND
PC3
GND
GROUND — Ground signal of the EM board
PORT C (bit 3) — General-purpose I/O lines controlled
by software via data direction and data registers
GROUND — Ground signal of the EM board
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Target Cable Assembly
3.5 Target Cable Assembly
To connect the MR32EM to a target system, a separately purchased target cable
assembly is needed, plus the appropriate target head and target-head/adapter
package.
Figure 3-3 shows how one end of the flex cable plugs into the MR32EM
module, and it also shows how the target head connects into the target system.
If the MR32EM is installed in the MMDS station module, run the flex cable
through the slit in the station-module enclosure.
EMULATOR
TERMINATOR
HEAD
TERMINATOR
CONNECTS TO
TARGET HEAD
TARGET
CABLE
CONNECTS TO EM
TARGET CONNECTORS
TARGET HEAD
PLUGS TO TARGET SYSTEM MCU
SOCKET OR SURFACE MOUNT ADAPTER
Figure 3-3. Target Cable Assembly
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User’s Manual — M68EM08MR32
Section 4. Schematics
This chapter contains the M68EM08MR32 emulator module schematic
diagrams.
These schematic diagrams are for reference only and may deviate slightly from
the circuits on the MR32EM.
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User’s Manual — M68EM08MR32
Index
C
cable assembly, target . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
configuration and operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15–??
connector pin assignments
logic analyzer (P1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
target (P5, P6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23, 24
connector signal descriptions
target (P5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
E
EM layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
I
installation, remaining system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
J
jumper header
positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
M
MCU
emulated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
MMDS0508 (HC0508 Motorola Modular Development System
configuration and operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15–19
MMDS0508 (HC0508 Motorola Modular Development System)
description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
MMEVS, description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
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Index
P
pin assignments
logic analyzer (P1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
target connectors (P5, P6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
target connectors (P7, P8) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
S
schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31–48
specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
system components
MMDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
MMEVS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
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