HT82M21A [HOLTEK]
3-Key 3D USB+PS/2 Optical Mouse Controller; 3键3D USB + PS / 2光电鼠标控制器
| 型号： | HT82M21A |
| 厂家： | 
HOLTEK SEMICONDUCTOR INC |
| 描述： | 3-Key 3D USB+PS/2 Optical Mouse Controller |
| 文件： | 总6页 (文件大小：94K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HT82M21A
3-Key 3D USB+PS/2 Optical Mouse Controller
Features
·
·
Operating voltage: 4.4V~5.25V
HALT function and wake-up feature reduce power
consumption
·
Complete Universal Serial Bus specs V1.1
compatibility
·
·
·
·
Plug and Play functions
·
·
·
Serial Bus Interface Engine (SIE)
USB transceiver
Minimal external components
6MHz crystal oscillator for system clock
Microsoft 3D Intelli mouse and IBM PS/2 mouse
compatible
Interface compliant with ADNS-2051, ADNS-2610
and ADNS-2620
·
·
·
·
Supports three buttons (R, M, L) and Z-axis input
Pass WHQL, USB-IF and EMC testing
18-pin DIP package
Z-axis can support two kinds of scroller input
(optomechanical and mechanical)
·
Single chip solution especially for USB mouse
function
General Description
HT82M21A is a 3D mouse controller especially de-
signed for USB and PS/2 applications. The HT82M21A
can support the USB Standard Request as well as HID
Class Request version 1.1. It is compatible with
Microsoft Intelli 3D PS/2 mouse. The Z-axis can support
two kinds of scroller input, namely; optomechanical and
mechanical. It requires minimal external components to
implement 3D USB plus PS/2 optical mouse. It can be
briefly described as a Holtek 8-bit MCU with an on-chip
USB interface logic. The USB is specified by the Univer-
sal Serial Bus Specification V1.1.
Block Diagram
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Rev. 1.10
1
August 4, 2004
HT82M21A
Pin Assignment
V
S
3
S
O
O
V
L
M
R
L
Z
Z
S
S
C
C
1
2
1
1
1
1
1
1
1
1
1
8
7
6
5
4
3
2
1
0
1
2
3
4
5
6
7
8
9
V
3
O
U
S
B
D
+
/
C
L
K
D
D
U
S
B
D
-
/
D
A
S
T
E
A
E
D
R
E
T
S
E
L
1
S
D
I
O
S
C
L
K
2
1
S
E
L
0
H
T
8
2
M
2
1
A
1
8
D
I
P
-
A
Pin Description
Pin No.
Pin Name
I/O
¾
O
Description
1
2
3
4
5
VSS
Negative power supply, ground
3.3V voltage output
V33O
USBD+/CLK
USBD-/DATA
RESET
I/O USB data plus or PS2 Clock, F/W auto-detect USBD+ for USB, CLK for PS2
I/O
I
USB data minus or PS2 Data, F/W auto-detect USB- for USB, DATA for PS2
Chip reset input, low active
Configuration selections
For ANDS 2051:
SEL0=0: 800DPI (default)
SEL0=1: 400DPI
SEL1=0: Z-axis is divided by 2 (default)
SEL1=1: Z-axis is divided by 4
For ANDS 2610/2620:
6
9
SEL1
SEL0
I
SEL1=0, SEL0=don't care: Z-axis is divided by 2 (default)
SEL1=1, SEL0=0: Z-axis is divided by 4
7
8
SDIO
SCLK
Z1, Z2
I/O Serial data for Agilent sensor IC SDIO
I
I
I
Serial data for Agilent sensor IC SCLK
10, 11
Z-axis input supports two kinds of scroller input; optomechanical and mechanical.
Input ports with pull-high resistor. These pads can function as Left, Right, Middle.
12, 13, 14 L, R, M
15
16
17
18
LED
I/O Drives LED output
VDD
5V positive power supply
6MHz OSC output
6MHz OSC input
¾
O
I
OSC2
OSC1
Absolute Maximum Ratings
Supply Voltage..............................VSS-0.3V to VSS+6V
MCU Input Voltage.....................VSS-0.3V to VDD+0.3V
USB Input Voltage ....................VSS-0.3V to V33O+0.3V
Storage Temperature............................-50°C to 125°C
Operating Temperature...........................-25°C to 70°C
Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those
listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil-
ity.
Rev. 1.10
2
August 4, 2004
HT82M21A
D.C. Characteristics
Ta=25°C
Test Conditions
Conditions
¾
Symbol
VDD
Parameter
Min.
Typ.
Max.
Unit
VDD
Operating Voltage
4.4
¾
¾
¾
0
5.25
¾
V
mA
mA
mA
V
¾
¾
10
3
USB mode
No load,
SYS=6MHz
IDD
Operating Current (Crystal OSC)
5V
PS/2 mode
5V No load, system HALT
f
¾
ISTB
VIL1
VIH1
VIL2
VIH2
VIH3
Standby Current
250
1.0
5
¾
¾
¾
¾
¾
¾
Input Low Voltage for I/O Ports
5V
¾
¾
¾
¾
¾
Input High Voltage for MCU I/O Ports 5V
3.5
0
V
Input Low Voltage (RESET)
Input High Voltage (RESET)
5V
5V
1.5
5
V
3.5
2.8
V
Input High Voltage for USB I/O Ports 3.3V
3.6
V
Power on Reset VDD Detection
Voltage
VPOR
5V
3.5
3.9
V
¾
¾
IOL1
IOH1
IOL2
VOL=0.5V
VOL=4.5V
VOL=4.5V
Output Port Sink Current
5V
5V
5V
4
mA
mA
mA
¾
¾
¾
¾
¾
¾
Output Port Source Current
Output Port Sink Current (LED)
-4
50
A.C. Characteristics
Ta=25°C
Test Conditions
Conditions
¾
Symbol
Parameter
Min.
Typ.
Max.
Unit
VDD
fSYS
tOST
System Clock (Crystal OSC)
5V
0
6000
1024
kHz
tSYS
¾
¾
Power-up or wake-up
form HALT
Oscillation Start-up Timer Period
¾
¾
Note: tSYS=1/fSYS
Timing Diagram
Z-axis Photo-Coupler Crossed Width
Z
1
Z
2
t
f
t
r
t
P
N
o
t
e
:
F
o
r
Z
-
a
x
i
s
t
r
,
t
P
,
t
f
>
1
m
s
Z-axis Counting
Z
Z
1
2
+
1
+
1
-
1
-
1
Rev. 1.10
3
August 4, 2004
HT82M21A
Application Circuits
This Application Circuit is for Reference Only
V
D
D
1
2
3
4
V
D
D
1
0
m
F
m
0 . 0 1 F
U
S
B
-
m
0 . 1 F
C
U
S
B
+
3
3
W
V
S
S
m
0 . 1 F
1
3
A
B
1
1
1
1
1
1
1
1
1
8
7
6
5
4
3
2
1
0
1
3
V
S
3
S
O
S
C
1
2
V
D
D
1
5
k
7
8
6
1
1
1
1
1
1
1
4
m
2 . 2 F
2
4
R
_
B
I
N
R
R
E
E
F
A
V
3
O
O
S
C
F
B
U
U
S
S
B
B
D
D
+
/
C
L
K
1
8
.
4
3
2
M
H
z
V
D
D
0
W
5
k
W
5
k
9
1
3
2
4
5
-
/ D A T A
O
O
X
X
Y
Y
S
C
_
I
N
X
Y
_
L
E
D
D
L
E
D
5
6
S
C
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O
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P
5
6
M
S
W
1
S
W
2
R
S
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T
0
.
1
m
F
B
A
B
A
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R
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L
1
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S
C
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K
7
8
L
2
1
S
S
D
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I
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O
S
D
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O
2
0
G
N
D
D
K
Z
S
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L
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9
G
N
S
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L
0
Z
A
D
N
S
2
0
5
1
H
T
8
2
M
2
1
A
1
0
0
k
1
0
k
W
M
R
L
B
N
o
t
e
:
S
S
S
S
W
W
W
W
1
1
2
2
=
=
=
=
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p
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:
8
0
0
d
p
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(
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e
f
a
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m
0 . 1 F
l
l
o
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e
:
4
0
0
d
p
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B
m
0 . 1 F
3
3
W
p
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n
:
Z
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2
(
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f
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B
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e
:
Z
/
4
6
M
H
z
3
3
W
1
.
5
k
1
M
W
3
0
p
F
3
0
p
F
3
3
p
F
3
3
p
F
V
D
D
1
2
3
4
V
D
D
1
0
m
F
m
0 . 0 1 F
U
S
B
-
m
0 . 1 F
C
1
0
0
U
S
B
+
3
3
W
V
S
S
1
0
0
k
7
A
B
1
1
1
1
1
1
1
1
1
8
7
6
5
4
3
2
1
0
1
3
V
S
3
S
O
S
C
1
2
V
D
D
2
4
1
k
W
V
3
O
O
S
C
5
X
Y
_
L
E
D
U
U
S
S
B
B
D
D
+
/
C
L
K
V
D
D
5
k
W
5
k
-
/ D A T A
2
4
M
H
z
L
E
D
3
4
1
O
O
S
S
C
C
_
_
I
O
N
S
D
I
O
S
S
D
C
I
L
O
5
6
M
S
W
1
0
.
1
m
F
S
W
2
R
S
E
S
E
T
2
K
U
T
S
C
L
K
R
E
L
1
7
8
L
2
1
S
S
D
C
I
L
O
S
D
I
O
8
6
R
E
F
A
G
N
D
K
Z
S
C
L
K
9
m
2 . 2 F
S
E
L
0
Z
A
D
N
S
2
6
1
0
H
T
8
2
M
2
1
A
1
0
0
k
1
0
k
M
R
L
B
N
o
t
e
:
(
S
W
2
=
o
p
e
n
,
S
W
1
=
X
)
:
Z
/
2
(
d
e
f
a
u
l
t
)
m
0 . 1 F
(
S
W
2
=
c
l
o
s
e
,
S
W
1
=
o
p
e
n
)
:
Z
/
4
B
m
0 . 1 F
3
3
W
B
6
M
H
z
3
3
W
1
.
5
k
1
M
W
3
0
p
F
3
0
p
F
3
3
p
F
3
3
p
F
Note: Layout 0.1mF capacitor, 33W resistor and 0.01mF capacitor as close to VDD pin as possible.
Rev. 1.10
4
August 4, 2004
HT82M21A
Package Information
18-pin DIP (300mil) Outline Dimensions
A
1
8
1
0
B
9
1
H
C
D
a
E
G
I
F
Dimensions in mil
Symbol
Min.
895
240
125
125
16
Nom.
¾
Max.
915
260
135
145
20
A
B
C
D
E
F
G
H
I
¾
¾
¾
¾
50
70
¾
100
¾
¾
295
335
0°
315
375
15°
¾
¾
¾
a
Rev. 1.10
5
August 4, 2004
HT82M21A
Holtek Semiconductor Inc. (Headquarters)
No.3, Creation Rd. II, Science Park, Hsinchu, Taiwan
Tel: 886-3-563-1999
Fax: 886-3-563-1189
http://www.holtek.com.tw
Holtek Semiconductor Inc. (Taipei Sales Office)
4F-2, No. 3-2, YuanQu St., Nankang Software Park, Taipei 115, Taiwan
Tel: 886-2-2655-7070
Fax: 886-2-2655-7373
Fax: 886-2-2655-7383 (International sales hotline)
Holtek Semiconductor Inc. (Shanghai Sales Office)
7th Floor, Building 2, No.889, Yi Shan Rd., Shanghai, China 200233
Tel: 021-6485-5560
Fax: 021-6485-0313
http://www.holtek.com.cn
Holtek Semiconductor Inc. (Shenzhen Sales Office)
43F, SEG Plaza, Shen Nan Zhong Road, Shenzhen, China 518031
Tel: 0755-8346-5589
Fax: 0755-8346-5590
ISDN: 0755-8346-5591
Holtek Semiconductor Inc. (Beijing Sales Office)
Suite 1721, Jinyu Tower, A129 West Xuan Wu Men Street, Xicheng District, Beijing, China 100031
Tel: 010-6641-0030, 6641-7751, 6641-7752
Fax: 010-6641-0125
Holmate Semiconductor, Inc. (North America Sales Office)
46712 Fremont Blvd., Fremont, CA 94538
Tel: 510-252-9880
Fax: 510-252-9885
http://www.holmate.com
Copyright Ó 2004 by HOLTEK SEMICONDUCTOR INC.
The information appearing in this Data Sheet is believed to be accurate at the time of publication. However, Holtek as-
sumes no responsibility arising from the use of the specifications described. The applications mentioned herein are used
solely for the purpose of illustration and Holtek makes no warranty or representation that such applications will be suitable
without further modification, nor recommends the use of its products for application that may present a risk to human life
due to malfunction or otherwise. Holtek¢s products are not authorized for use as critical components in life support devices
or systems. Holtek reserves the right to alter its products without prior notification. For the most up-to-date information,
please visit our web site at http://www.holtek.com.tw.
Rev. 1.10
6
August 4, 2004
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