ht82m938r Holtek Semiconductor Inc., ht82m938r Datasheet - Page 2

• Manufacturer Part Number: ht82m938r
• Description: 27mhz 3d Ps2 Mouse Controller
• Manufacturer: Holtek Semiconductor Inc.

Receiver
Electrical Characteristics
Transmitter
Receiver
Rev. 1.30
V
I
I
V
V
V
V
V
I
I
V
V
V
V
17
18
19
2
6
8
9
10
11
12
13
14
15
DD
STB
DD
STB
Symbol
Symbol
Pin No.
Pin No.
DD
IL
IH
IL1
IH1
DD
IL
IH
IL1
IH1
Operating Voltage
Operating Current (Crystal OSC)
Standby Current
Input Low Voltage (X1, X2, Y1, Y2,
Z1, Z2, R, M, L, B4, B5)
Input High Voltage (X1, X2, Y1, Y2,
Z1, Z2, R, M, L, B4, B5)
Input Low Voltage (RESET)
Input High Voltage (RESET)
Operating Voltage
Operating Current (Crystal OSC)
Standby Current
Input Low Voltage (RES_CH)
Input High Voltage (RES_CH)
Input Low Voltage (RESET)
Input High Voltage (RESET)
RF_EN
RF_OUT
IR_ON
DATA
VSS
CLK
RF_IN
RESET
VDD
OSC1
OSC2
RES_CH
LED
Pin Name
Pin Name
Parameter
Parameter
I/O
I/O
I/O PS/2 mouse DATA line with pull-high 12k resistor
I/O PS/2 mouse CLOCK line with pull-high 12k resistor
O
O
O
O
O
I
I
I
I
RF module enable
RF data output
X, Y, Z photo input power control
Negative power supply, ground
RF data input
Chip reset input, low active
5V positive power supply
6MHz OSC input
6MHz OSC output
Channel select reset switch with pull-high 12k resistor
Data transfer and change channel mode display LED
V
V
3V No load, f
3V No load, system HALT
3V
3V
3V
3V
5V No load, f
5V No load, system HALT
5V
5V
5V
5V
DD
DD
Test Conditions
Test Conditions
2
Conditions
Conditions
SYS
SYS
=6MHz
=6MHz
Description
Description
HT82M938T/HT82M938R
Min.
Min.
2.4
2.1
2.5
2.4
3.5
4.1
0
0
0
0
Typ.
Typ.
0.7
2
October 29, 2002
Max.
Max.
5.5
1.5
0.7
5.5
1.5
1.3
15
8
1
3
3
5
5
5
Unit
Unit
mA
mA
V
V
V
V
V
V
V
V
V
V
A
A