Pin Description
Pin Name
I/O
Description
RB, RO, LB
I
Right Button: Normal pull-high resistor (30k )
Rolling Button: Normal pull-high resistor (30k )
Left Button: Normal pull-high resistor (30k )
Z2/A, Z1/B
I
Z axis input supports three kinds of scroller input
Normal pull-high resistor (30k )
RB1, RB0
I
Input ports with 30k
pull-high resistor
SDIO
I/O Serial data for Agilent sensor IC SDIO
SCLK
O
Serial data for Agilent sensor IC SCLK
VSS
Negative power supply, ground
RES
I
Chip reset input, low active
VDD
5V positive power supply
OSCI
I
2MHz RC oscillator for system frequency with external pull-high resistor (140k )
NC
No connection
PS2CK
I/O PS/2 mouse CLK line
PS2D
I/O PS/2 mouse data line
Absolute Maximum Ratings
Supply Voltage...........................V
SS
0.3V to V
SS
+6.0V
Storage Temperature............................ 50 C to 125 C
Input Voltage..............................V
SS
0.3V to V
SS
+6.0V
Operating Temperature........................... 40 C to 85 C
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings 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.
D.C. Characteristics
Ta=25 C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
V
DD
Operating Voltage
f
SYS
=2MHz
4.0
5.0
5.5
V
I
DD
Operating Current
5V
No load, f
SYS
=2MHz
2.5
4
mA
V
IL1
Input Low Voltage for RB, LB, RO, Z1,
Z2,RB1,RB0,SDIO,PS2CKandPS2D
0
0.3V
DD
V
V
IH1
Input High Voltage for RB, LB, RO, Z1,
Z2,RB1,RB0,SDIO,PS2CKandPS2D
0.7V
DD
V
DD
V
V
IL2
Input Low Voltage for RES
0
0.4V
DD
V
V
IH2
Input High Voltage for RES
0.9V
DD
V
DD
V
I
OL
I/O Port Sink Current
5V
V
OL
=0.1V
DD
10
20
mA
I
OH
I/O Port Source Current
5V
V
OL
=0.9V
DD
2
4
mA
R
PH
Pull-highResistanceforRB,LB,RO,Z1,
Z2,RB1,RB0,SDIO,PS2CKandPS2D
5V
10
30
50
k
HT82M35X
Rev. 1.00
2
May 30, 2007
Preliminary