HT82M30A Datasheet, PDF (1/13 Pages) Holtek Semiconductor Inc – 3/5-Key 3D PS/2 Optical Mouse Controller

HT82M30A
3/5-Key 3D PS/2 Optical Mouse Controller
Feature
· Operating voltage: 4.0V~5.5V
· Microsoft Intelli 3D PS/2 and IBM PS/2 mouse
compatible
· Microsoft Windows 2000 and 5-button Wheel mouse
compatible
· Z-axis can support three kinds of scroller input
divided by 2 or 4 (only for H2610 and H2620)
· Supports 400 or 800 DPI for H2051
· Serial interface with H2051, H2610, H2620
· Auto detect as to which photo sensor is used
· 2MHz RC oscillator for system frequency with
external pull-high resistor (140kW)
· 16/18-pin DIP package
General Description
The HT82M30A is designed as 2D, 3D 3/5-key PS/2 op-
tical mouse controller. These have serial interface to ac-
cess the Agilent sensor H2051, H2610, H2620 or the
same compatible series sensor. Refer to the datasheets
for detailed register descriptions of the Agilent sensors.
Pin Assignment
RB 1
16
LB 2
15
Z 2 /A 3
14
Z 1 /B 4
13
RB1 5
12
S D IO
6
11
S C LK 7
10
VSS 8
9
H T82M 30A
1 6 D IP -A
RO
RB0
P S 2D
P S 2C K
NC
O SC1
VDD
RES
RB ¹
18
LB ²
17
Z 2 /A ³
16
Z 1 /B ⁴
15
RB1 ⁵
14
S D IO ⁶
13
S C LK ⁷
12
VSS ⁸
11
S E L1 ⁹
10
H T82M 30A
1 8 D IP -A
RO
RB0
P S 2D
P S 2C K
NC
O SC1
VDD
RES
S E L2
Rev. 1.10
1
August 4, 2004