DMC42C1008 [DAEWOO]
4Bit Single Chip Microcontroller; 4位单片机
| 型号： | DMC42C1008 |
| 厂家： | 
DAEWOO Electronic Components |
| 描述： | 4Bit Single Chip Microcontroller |
| 文件： | 总20页 (文件大小：138K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
1
4Bit Single Chip Microcontroller
DESCRIPTION
DMC42C1008
The DMC42C1008 is a microcomputer of the 4-bit single chip
microcomputer DMC42xx series which can match an 8-bit
microcomputer in the data processing capability.
The DMC42C1008 can handle 1-bit, 4-bit, and 8-bit data
as well as operates at high speed (minimum instruction
execution time : 0.95us) it contains a LCD pannel controller/driver.
PIN CONFIGURATION
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
P50/ kS4
P43/ kS3
SEG12
SEG13
1
2
3
64
63
62
P42/ kS2
P41/ kS1
P40/ kS0
X0
SEG14
SEG15
SEG16
SEG17
4
5
6
7
8
61
60
59
SEG18
SEG19
58
57
56
55
XI
TEST
9
XTO
XTI
SEG20
SEG21
10
11
VDD
54
53
52
51
50
SEG22
SEG23
SEG24
SEG25
12
13
14
15
16
P33
P32
P31
DMC42C1008
SEG26
SEG27
P30
P13/ BUZ
49
48
47
46
45
SEG28
P12/ SO
P11/ SI
17
18
19
20
SEG29
SEG30
SEG31
P10/ SCK
P03/ I NT3
P02/ I NT2
21
22
23
24
44
43
42
41
COM0
COM1
COM2
P01/ I NT1
P00/ I NT0/ TI 0
P23
COM3
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
2
4Bit Single Chip Microcontroller
DMC42C1008
FEATURE
Memory mapped I/O
8-bit serial communication interface
- External / Internal clock selection
- Mode : Transmit ·Receive
Receive only
Program memory : 8192 x 10bits
Data memory : 512 x 4bits
Clock continuous
Instructions
LCD controller/driver
- Various bit manipulation
- 8-bit data operation
- 7-bit relative branch
- 1 byte absolute call
- selectable number of segments ;
20/24/28/32 segment (4/8/12 lines can
be specified as bit ports)
- Display mode selection
· Static
Instruction cycle times
· 1/2 duty (1/2 bias)
- Main ( XI = 4.19MHz )
· 1/3 duty (1/2 bias)
. 15.3 us ( XI/64 = 65.5KHz )
. 1.91 us ( XI/8 = 524.0KHz )
. 0.95 us ( XI/4 = 1.05MHz )
- Sub ( XTI = 32.768KHz )
. 122 us ( XTI/4 = 8.19KHz )
· 1/3 duty (1/3 bias)
· 1/4 duty (1/3 bias)
Key scan
- 4, 6, 8 Pins Selectable : Port 4, 5
- Falling edge operation
4 Register Bank
64 I/O Pins
General register : 8 x 4-bit respectively
- LCD driver output pins : 36
. Segment ouput pins : 20
. Segment CMOS output pins : 12
. Common ounput pins : 4
- CMOS input/output pins : 32
Accumulator
- Bit Accumulator (CY), 4 bit Accumulator (A),
8 bit Accumulator (XA)
Multiple vectored interrupt source
- External interrupt : 4
- Internal interrupt : 4
Power saving mode
- STOP : Main clock, CPU clock stop
- STBY : Only CPU clock stop
Main clock operation
Watch timer
- fast mode : 3.91 msec
- normal mode : 0.5 sec
- buzzer output : 1, 2, 4 KHz
Package : 80 QFP
APPLICATION
Basic interval timer
- 8 kinds of period
- Used stabilization wait timer to wake up Stop mode
VTR, Camera, Rice Cooker, Telephone
Blood Pressure Gauge, CD Player
One 8-bit timer / event counter
3
4Bit Single Chip Microcontroller
DMC42C1008
BLOCK DIAGRAM
PORT2
PORT3
PORT6
PORT8
P20 ¡ • P23
P30 ¡ • P33
P60 ¡ • P63
P80 ¡ • P83
BASIC
INTERVAL
TIMER
IRQBT
TIMER/
EVENT
COUNTER
DMC42 CORE
IRQTC0
WATCH
BUZ/P13
TIMER
FLCD
IRQWT
SI/P11
VLC0~VLC2
CLOCKED
SERIAL
SO/P12
INTERFACE
SCK/P10
COM0~COM3
SEG0~SEG19
DATA MEMORY
(512 X 4BITS)
PROGRAM MEMORY
(8192 X 10BITS)
LCD
CONTROL
/
IRQS0
TI0/INT0/P00
INT1/P01
INT2/P02
INT3/P03
DRIVER
INTERRUPT
CONTROL
DISPLAY
RAM
SEG20~SEG30
(BP0~BP11)
KS0/P40
KS7/P53
n
CPU
Fx / 2
CLOCK
BIAS
BIT SEQ.
BUFFER(16)
CLOCK
CLOCK
CLOCK
STOP/ IDLE
OUTPUT
FLCD
DIVIDER GENERATOR CONTROL
CONTROL
4
4Bit Single Chip Microcontroller
DMC42C1008
PROGRAM MEMORY (ROM)
VECTOR ADDRESS
CONTENTS
Prioty
INTERRUPT SUORCE
Reset Signal
RESET
0000H
0000H
VECTOR
0
1
2
3
4
0002H
0004H
0006H
0008H
000AH
000CH
000EH
0010H
0012H
0014H
0016H
0018H
001AH
001CH
001EH
Basic Interval Timer
ADDRESS AREA
IRQBT
001FH
External interrupt 0
External interrupt 1
Timer Event Counter 0
IRQ0
IRQ1
0020H
ZERO-PAGE
CALL AREA
IRQTC0
002FH
0060H
External interrupt 2
6
IRQ2
External interrupt 3
Serial I/O 0
8
9
IRQ3
IRQS0
8K Byte
Watch Timer
Key Scan
12
13
IRQWT
IRQKS
1FFFH
reserved
15
-
DATA MEMORY (RAM)
DIRECT
INDIRECT
@HL
STACK
GENERAL
REGISTER
@DE @DL
m
$00
PAGE0
RB=0
RB=2
RB=1
RB=4
(256 Byte)
MP=0
MP=1
MP=2
MP=3
SPS=0
$FF
$00
PAGE1
(256 Byte)
MB=0
MB=0
SPS=1
SPS=2
BANK 0 $FF
(1K) $00
PAGE2
(256 Byte)
$FF
$00
PAGE3
(256 Byte) MEMORY
I/O
; Usable
$FF
5
4Bit Single Chip Microcontroller
I/O ADDRESS MAP
DMC42C1008
ADDRESS
Hardware Module Name
R/W
Addressing Unit
REMARKS
INITIAL
b3
b2
b1
b0
1 bit
4 bit
8bit
VALUE
318H
319H
31AH
31BH
31CH
31DH
320H
321H
322H
323H
324H
325H
332H
334H
335H
336H
337H
390H
391H
392H
3A0H
Stack pointer low (SPL)
Stack pointer high (SPH)
R/W
R/W
R/W
R/W
R/W
O
O
O
O
O
Stack pointer low
E
F
0
stack pointer high
SP3
-
SP2
-
SP1
SP5
IS1
SP0
SP4
IS0
T
Stack Page Select Low (SPSL)
Stack Page Select High (SPSh)
Psw low (PSWL)
0
0
AC
CY
O
O
Z
OV
Psw high (PSWH)
0
T/E counter mode register 0
(TMOD0)
W
R
320H.3
O
Clock source select. counter
start (ch0)
00
T/E counter register 0
(TMCNT0)
readable count value (ch0)
00
T/E reference register 0
(TMREF0)
W
count reference register (ch0)
FF
Basic Timer mode register(BMOD)
Basic interval timer count
register(BITCNT)
R/W 332H.3
R
clock select, Bit start
0
readable count register
00
Watch timer mode register
(WMOD)
R/W 336H.3
clock/buzzer select. bit3
readable
00
00
Lcd display mode register
(LCDMD)
W
W
O
duty/bias/clock/seg/bitport
select
Lcd control register (LCON)
Power control register
(PCON)
O
O
display ON/OFF
0
system clock select, idle, stop
mode
00
R/W
3A2H
3A4H
Operating mode register (SCMOD)
Clock output mode register
(CLOMD)
R/W
W
O
main/sub system clock select
cpu clock output select, clock
out EN/DIS
0
O
00
3A8H
3A9H
3AAH
3ABH
3B2H
3C2H
3C3H
3C4H
Serial interface mode register0
(SIOM0)
W
3A8H.3
O
receive/transmit mode. clock
select
00
Serial interface buffer0
(SBUFF0)
R/W
serial shift register 0
XX
Power on flag (PONF)
IME
P/W 3B2H.0
R/W 3C2H.3
O
O
power on reset flag
0
Interrupt priorty select, IME flag.
00
IPSR3
IPSR2
IPSR1
IPSR0
External interrupt mode register0
(IMOD0)
W
W
W
W
O
O
O
O
external interrupt 0 edge
detection
00
00
00
00
3C5H
3C6H
3C7H
External interrupt mode register1
(IMOD1)
external interrupt 1 edge
detection
External interrupt mode register2
(IMOD2)
external interrupt 2 edge
detection
External interrupt mode register3
(IMOD3)
external interrupt 3 edge
detection
3D8H
3D9H
IE2
IRQ2
IEBT
IRQBT
R/W
R/W
O
O
O
O
Interrupt EN/IRQ flag
Interrupt EN/IRQ flag
0
0
IEWT
IRQWT
6
4Bit Single Chip Microcontroller
DMC42C1008
ADDRESS
Hardware Module Name
R/W
Addressing Unit
REMARKS
INITIAL
b3
b2
b1
IES0
b0
IRQS0
IRQTC0
IRQ0
1 bit
4 bit
O
8bit
VALUE
3DAH
3DBH
3DCH
3DDH
3DEH
3E0H
3E1H
3E2H
3E3H
3E4H
3E5H
3E6H
3E7H
3E8H
3E9H
3F0H
3F1H
3F2H
3F3H
3F4H
3F5H
3F6H
3F8H
IEKSF
IRQKS
R/W
R/W
R/W
R/W
R/W
W
O
O
O
O
O
Interrupt EN/IRQ flag
0
0
0
0
0
IETC0
IE0
O
Interrupt EN/IRQ flag
Interrupt EN/IRQ flag
Interrupt EN/IRQ flag
Interrupt EN/IRQ flag
IE1
IRQ1
O
IE3
IRQ3
O
O
PW03
PW13
PW23
PW33
PW43
PW53
PW63
PW73
PW83
PW93
PW02
PW12
PW22
PW32
PW42
PW52
PW62
PW72
PW82
PW92
PW01
PW11
PW21
PW31
PW41
PW51
PW61
PW71
PW81
PW91
PW00
PW10
PW20
PW30
PW40
PW50
PW60
PW70
PW80
PW90
O
O
O
O
O
port 0, 1 mode register (PMGA)
port 2, 3 mode register (PMGB)
port 4, 5 mode register (PMGC)
port 6, 7 mode register (PMGD)
port 8, 9 mode register (PMGE)
00
00
00
00
00
W
W
W
W
PORT0 (R0)
PORT1 (R1)
PORT2 (R2)
PORT3 (R3)
PORT4 (R4)
PORT5 (R5)
PORT6 (R6)
PORT8 (R8)
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
R0 Port Data Register
R1 Port Data Register
R2 Port Data Register
R3 Port Data Register
R4 Port Data Register
R5 Port Data Register
R6 Port Data Register
R8 Port Data Register
0
0
0
0
0
0
0
0
O
7
4Bit Single Chip Microcontroller
PIN DESCRIPTION
DMC42C1008
PIN
SYMBOL
P00
SHARED
PIN
I/O
FUNCTION
RESET
PORT
TYPE
BPS
INT0/TI0
I/O
- Detection edge selectable
- With noise elimination function
- Edge detection vectored interrupt input pin
(detection edge selectable)
- Event pulse input port for timer event
counter
INPUT
INPUT
P01
P02
P03
INT1
INT2
INT3
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
BPS
BPS
BP
P10
P11
P12
P13
P20
P21
P22
P23
P30
P31
P32
P33
P40
P41
P42
P43
P50
P51
P52
P53
P60
P61
P62
P63
P80
P81
P82
P83
SCK
SI
- Serial clock I/O pin
- Serial data input pin
INPUT
INPUT
INPUT
INPUT
INPUT
SO
- Serial data output pin
BUZ
- Buzzer output pin
- 4Bit I/O Port
- 4Bit I/O Port
BP
KS0
KS1
KS2
KS3
KS4
KS5
KS6
KS7
- Falling edge detection keyscan input pin
- Falling edge detection keyscan input pin
- 4Bit I/O Pin
BD
BD
INPUT BP-PDND
- 4Bit I/O Pin
INPUT
BP
8
4Bit Single Chip Microcontroller
PIN DESCRIPTION
DMC42C1008
PIN
SYMBOL
SEG0 ~
SEG19
SEG20 ~
SEG31
COM0
COM1
COM2
COM3
VLC0
SHARED
PIN
I/O
O
FUNCTION
RESET
PORT
TYPE
- Segment signal output pin
OP-SEGB
BP0 ~ 11
O
- 1 Bit output port (Bit Port) shared with
a segment signal output pin
OP-SEGA
OP-COMA
O
- Common signal output
- LCD drive power pin split register network
(Mask Option)
VLC1
VLC
VLC2
BIAS
- LCD power supply bias control
- Main system clock input
- Main system clock output
- Sub system clock input
- Sub system clock output
- System reset input pin
VLC
XI
I
O
I
OSC1
XO
XTI
OSC2
XTO
O
I
RESETB
IP1
IP2
MASK ROM
Version
TEST
I
- Chip function
test input pin
BP
OTP ROM
Version
9
4Bit Single Chip Microcontroller
DMC42C1008
I/O CIRCUITS
BP
BPS
VDD
VDD
VDD VDD
OUTPU
T
OUTPU
PUR
(M.O)
PUR
(M.O)
T
DATA
PA
DATA
PA
VSS
VSS
INTERNA
INTERNA
BD
BP-PDND
VDD
VDD
Output TR
Disable
(P-CH)
PUR
(M.O)
PUR
(M.O)
OUTPU
T
PA
DATA
PA
DATA
OUTPU
T
Output TR
Disable
(N-CH)
VSS
VSS
INTERNA
INTERNA
OP-COMA
OP-SEGA
VLC
VLC
VLC
VLC
COM DATA
PA
SEG DATA
VLC
PA
VLC
VSS
VSS
NOTE) PUR : Pull-Up Resistor
M.O : Mask Option
10
4Bit Single Chip Microcontroller
DMC42C1008
OP-SEGB
IP1
VDD
VLC0
VDD
VLC
SEG DATA
PBIT.X
PA
PAD
VLC
VSS
IP2
VLC
VDD
PAD
BIA
2R
R
VLC
R=90K
VLC
VLC
R
R
VSS
VSS
OSC1
OSC2
XI
XO
XTI
XT
VSS
11
4Bit Single Chip Microcontroller
DMC42C1008
ABSOLUTE MAXIMUM RATINGS
(TA = 0¡ É to 70¡ É, VDD = 5V ±10%, fX = 4.19MHz)
PARAMETER
Supply Voltage
Input Voltage
SYMBOL
VDD
VI
CONDITION
RATING
-0.3 to +7.0
-0.3 to VDD+0.3
-0.3 to VDD+0.3
-15
UNIT
V
-
All I/O ports
V
VO
Output Voltage
Output Current High
-
V
IOH
One I/O port active
All I/O ports active
One I/O port active
-
mA
-30
Output Current Low
Peak Value
+30
+15
RMS Value
Peak Value
RMS Value
Peak Value
RMS Value
Total value for ports
P1, P2, P3, P8
Total value for ports
P0, P4, P5, P6
-
+100
+60
mA
IOL
+100
+60
TA
Operating Temperature
Storage Temperature
-40 to +85
-55 to +125
¡ É
¡ É
Tstg
-
* RMS values are calculated as peak value x Duty
* Exceeding beyond those listed values under "Absolute Maximum Ratings" may cause permanent damage
to the device.
12
DMC42C1008
4Bit Single Chip Microcontroller
DC ELECTRICAL CHARACTERISTICS
(VSS = 0, VDD = 5V ±10%, TA = 25¡ É, fX = 4.19MHz)
PARAMETER SYMBOL
TEST
CONDITION
LIMIT
UNIT
MIN.
TYP.
MAX.
0.8
VDD -
0.7
VDD
VIH1
VIH2
VIH3
High Level
Port 0,1 (Schmitt Input)
XI, XTI
-
-
VDD
VDD
Input Voltage
V
Port 2,3,4,5,6,8,
RESETB, TEST
-
VIL1
VIL2
VIL3
0.2 VDD
0.4
Low Level
Port 0,1 (Schmitt Input)
XI, XTI
0
0
-
-
Input Voltage
V
V
0.3 VDD
Port 2,3,4,5,6,8,
RESETB, TEST
0
-
(IOH = - 5mA)
High Level
Port 0,1,2,3,6
4.2
4.5
4.9
-
-
-
VOH
VOL
(IOH = - 100uA)
(IOL = 10mA)
(IOL = 10mA)
Output Voltage
Low Level
Port 0,1,2,3,6
4.6
Port 4,5 (Open-Drain)
Port 0,1,2,3,6
-
-
-
-
2
Output Voltage
0.4
0.1
1.2
0.6
0.3
3
V
(IOL = 1mA)
Port 0,1,2,3,6
High Level
Input Leakage
Current
Port 0,1,2,3,4,5,6,8
IIH
IIL
VPPOEX, XTI, RESETB
uA
XI
-
-
5
15
-3
Low Level
Port 0,1,2,3,4,5,6,8
VPPOEX, XTI, TEST
XI
-1.2
Input Leakage
uA
Current
-
-
-5
-
-15
10
Supply Current
Dynamic VDD = 5V ±10%
Main Clock (XI) Mode
IDD1
(1)
mA
= 4.19MHz
Idle
-
-
5
Mode
13
DMC42C1008
4Bit Single Chip Microcontroller
DC ELECTRICAL CHARACTERISTICS
(VSS = 0, VDD = 5V ±10%, TA = 25¡ É, fX = 4.19MHz)
PARAMETER SYMBOL
TEST
LIMIT
UNIT
CONDITION
Dynamic
MIN.
TYP.
MAX.
Supply Current
IDD2
-
-
2
(1)
Main Clock (XI) Mode VDD = 3V ±10%
= 2MHz
Idle
-
-
-
-
-
-
-
-
-
-
1
1.5
15
5
mA
Mode
Dynamic
IDD3
(2)
Sub Clock (XTI Mode VDD = 3V ±10%
= 32.768KHz
Idle
IDD4
(2)
Mode
uA
IDD5
Main Clock (XI) Stop VDD = 5V ±10%
= 4.19MHz Mode
3
RL1
RL2
Pull-up
VI = 0V, VDD = 5V ±10%
RESETB
20
10
-
-
60
30
Resistor
Pull-down
Resistor
Kohm
VI = 0V, VDD = 5V ±10%
TEST
NOTES ) :
(1) Data Include power consumption for subsystem clock oscillation.
(2) Main system clock oscillation stops and the subsystem clock is used.
14
4Bit Single Chip Microcontroller
DMC42C1008
AC ELECTRICAL CHARACTERISTICS
(TA = -40 to +85¡ É, VDD = 2.7 to 6.0V)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Cycle Time
0.95
-
64
uS
tCY
VDD =
4.5 to 6.0V
Main system
clock
3.8
-
64
uS
VDD =
2.7 to 3.3V
Sub system clock
114
0
122
125
uS
MHz
KHz
uS
uS
uS
uS
uS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
uS
VDD = 4.5 to 6.0V
VDD = 2.7 to 3.3V
VDD = 4.5 to 6.0V
VDD = 2.7 to 3.3V
INT0
TI0 Input Frequency
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
fTI
0
275
TI0 Input High, Low
Level Width
0.48
1.8
(1)
-
tTIH
tTIL
-
Interrupt Input High,
Low Level Width
-
INT1, 2, 3
10
-
tINTH
tINTL
tKCY
KS0 to KS7
10
-
SCK Cycle Time
Input
800
1600
3200
3800
400
-
VDD = 4.5 to 6.0V
VDD = 2.7 to 3.3V
Output
Input
-
-
Output
Input
-
SCK High, Low
Level Width
-
tKH
VDD = 4.5 to 6.0V
VDD = 2.7 to 3.3V
Output tKCY/2~50
-
Input
Output
Input
1600
-
tKL
tKCY/2~15
-
SI Set up Time to
SCK High
100
150
400
400
-
-
tSIK
Output
Input
-
-
SI Hold Time to
SCK High
tKSI
Output
Input
-
VDD = 4.5 to 6.0V
VDD = 2.7 to 3.3V
SCK to S0 Output
Delay Time
300
250
1000
1000
-
tKSO
Output
Input
-
-
Output
-
RESETB Low Level
10
tRSL
(1) 2tcy or 128/fX, depending on the setting of the interrupt mode register.
15
4Bit Single Chip Microcontroller
DMC42C1008
AC Timing Measurement Points (Except XI and XTI)
0.8VD
Measuremen
0.8VD
0.2VD
t
0.2VD
1/X
Clock Timing
XI
tXH
tXT
tXL
VDD-
0.4V
1/XTI
tXT
XTI
VDD-
0.4V
Timer Event Counter
TI0
1/fTI
tTIL
tTIH
0.8VD
0.2VD
Serial Transfer Timing
SCK
tKC
tKL
tKH
0.8VD
0.2VD
tSIK
tKSI
0.8VD
0.2VD
Input Data
SI
tKS
Output Data
SO
Interrupt Input Timing
tINT
tINT
INT0~INT3
KS0~KS7
0.8VD
0.2VD
RESETB Input Timing
RESET
tRS
0.2VD
16
DMC42C1008
4Bit Single Chip Microcontroller
RAM DATA RETENTION CHARACTERISTICS ( in STOP Mode )
(TA = -40 to +85¡ É)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Data Retention
Supply Voltage
VDDDR
2.0
-
6.0
V
Data Retention
Supply Current
IDDDR
tSREL
tWAIT
VDDDR = 2.0V
-
0.1
-
10
-
uA
uS
Release Signal Set
Time
0
217/fx
When released by RESETB
-
-
-
-
mS
mS
Oscillation
Stabilization
Wait Time
When released by interrupt
Signal
NOTE 1)
NOTE 1) Depends on the setting of the basic interval timer mode register.
(refer to the table below)
( fX = 4.19MHz )
Oscillation Stabilization
BMOD2 BMOD1 BMOD0
220/fX (Approximately 250ms)
217/fX (Approximately 31.3ms)
215/fX (Approximately 7.82ms)
213/fX (Approximately 1.95ms)
0
0
1
1
0
1
0
0
0
1
0
1
17
4Bit Single Chip Microcontroller
DMC42C1008
RAM DATA RETENTION TIMING
When STOP mode is released by RESETB input
Internal Reset Operation
Stabilization Wait Time
Operation
Mode
STOP Mode
RAM Data retention
VDD
VDDDR
STOP instruction execution
tSREL
RESETB
tWAI
When STOP mode is released by interrupt signal
Stabilization Wait Time
Operation
Mode
STOP Mode
RAM Data retention
VDD
VDDDR
STOP instruction execution
tSREL
tWAI
Interrupt Signal
(Rising Edge)
18
4Bit Single Chip Microcontroller
DMC42P1008
DMC42P1008
DESCRIPTION
The DMC42P1008 is a system evaluation LSI having a built in One-Time Programming circuit.
A programming and verification for the internal EPROM is achieved by using a general EPROM programmer
with an adapter socket.
The function of this device is exactly same as the DMC42C1008 with programming of the internal EPROM.
The DMC42P1008 is the OTP version of the DMC42C1008 with replacement of MASK ROM to EPROM
as an internal ROM.
PIN CONFIGURATION
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
P50/ EPA4/ kS4
P43/ EPA3/ kS3
P42/ EPA2/ kS2
P41/ EPA1/ kS1
P40/ EPA0/ kS0
XO
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
1
2
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
3
4
5
6
XI
7
8
VPP/ OEX
9
XTO
XTI
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
VDD
DMC42P1008
P33/ EPD3
P32/ EPD2
P31/ EPD1
P30/ EPD0
49 P13/ EPA11/ BUZ
P12/ EPA10/ SO
P11/ EPA9/ SI
P10/ EPA8/ SCK
P03/ I NT3
48
47
46
45
44
43
SEG30
SEG31
P02/ CEX/ I NT2
P01/ EPA13/ I NT1
COM0
COM1
COM2
COM3
42 P00/ EPA12/ I NT0/ TI 0
41
P23
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
19
DMC42P1008
4Bit Single Chip Microcontroller
DEVICE OPERATION
The operational modes of the DMC42P1008 are listed in Table 1.
A single 5V power supply is required in the read mode.
All inputs are TTL levels except for VPP / OEX.
VPP = 12.5±0.5V
PINS
OUTPU
VDD
CEX
VPP / OEX
MODE
READ
VIL
VIL
VIL
VIH
VIL
VPP
VIL
DOUT
DIN
5.0V
6.0V
6.0V
6.0V
PROGRAM
VERIFY
DOUT
High Z
VPP
PROGRAM INHIBIT
TABLE 1. Operating Modes
MODE
PIN NAME
EPROM MODE
USER MODE
VIH
VIL
TEST
VIH
RESETB
VIL
VIL
TABLE 2. The modes of DMC42P1008
DC PROGRAMMING CHARACTERISTICS
LIMIT
UNIT
SYMBO
PARAMETER
TEST CONDITION
MIN.
-0.1
2.0
-
MAX.
0.8
VIL
VIH
Input Low Voltage
Input High Voltage
V
V
V
V
V
V
VDD
VOL
VOH
VPP
VDD
IOL = 2.1mA
IOH = -400uA
Output Low Voltage during Verify
Output High Voltage during Verify
Quick-pulse Programming
Quick-pulse Programming
0.45
-
2.4
12.5
6.0
13.0
6.5
20
DMC42C/P1008
4Bit Single Chip Microcontroller
PACKAGE DIMENSION
[ UNIT : Millimeter ]
80 QFP
20.0±0.1
3.00MAX
17.9±0.25
14.0±0.1
0.15±0.05
0.80
0.35±0.05
23.9±0.25
1.8±0.2
0.8±0.15
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