ht82m32a Holtek Semiconductor Inc., ht82m32a Datasheet - Page 2

• Manufacturer Part Number: ht82m32a
• Description: Ht82m32a/ht82m32b -- 3/5-key 3d Ps/2 Optical Mouse Controller
• Manufacturer: Holtek Semiconductor Inc.

Pin Description
Absolute Maximum Ratings
Supply Voltage ...........................V
Input Voltage ..............................V
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may
D.C. Characteristics
Rev. 1.10
RB, RO, LB
Z2/A, Z1/B
RB1, RB0
SDIO
SCLK
VSS
RES
VDD
OSCI
NC
PS2CK
PS2D
V
I
V
V
V
V
I
I
R
DD
OL
OH
Symbol
DD
IL1
IH1
IL2
IH2
PH
Pin Name
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.
Operating Voltage
Operating Current
Input Low Voltage for RB, LB, RO, Z1,
Z2, RB1, RB0, SDIO, PS2CK and PS2D
Input High Voltage for RB, LB, RO, Z1,
Z2, RB1, RB0, SDIO, PS2CK and PS2D
Input Low Voltage for RES
Input High Voltage for RES
I/O Port Sink Current
I/O Port Source Current
Pull-high Resistance for RB, LB, RO, Z1,
Z2, RB1, RB0, SDIO, PS2CK and PS2D
I/O
I/O Serial data for PixArt sensor IC SDIO
I/O PS/2 mouse CLK line
I/O PS/2 mouse data line
O
I
I
I
I
I
Right Button: Normal pull-high resistor (30k )
Rolling Button: Normal pull-high resistor (30k )
Left Button: Normal pull-high resistor (30k )
Normal pull-high resistor (30k )
Input ports with 30k pull-high resistor
Serial data for PixArt sensor IC SCLK
Negative power supply, ground
Chip reset input, low active
5V positive power supply
2MHz RC oscillator for system frequency with external pull-high resistor (140k )
No connection
Z axis input supports three kinds of scroller input
Parameter
SS
SS
0.3V to V
0.3V to V
SS
SS
+6.0V
+6.0V
V
5V No load, f
5V V
5V V
5V
DD
2
Test Conditions
f
SYS
Storage Temperature ............................ 50 C to 125 C
Operating Temperature........................... 40 C to 85 C
OL
OL
Description
=0.1V
=0.9V
=2MHz
Conditions
SYS
DD
DD
=2MHz
HT82M32A/HT82M32B
0.7V
0.9V
Min.
4.0
10
10
0
0
2
DD
DD
Typ.
5.0
2.5
20
30
4
0.3V
0.4V
Max.
V
V
5.5
50
June 1, 2007
4
DD
DD
DD
DD
Ta=25 C
Unit
mA
mA
mA
k
V
V
V
V
V