ht82m22a Holtek Semiconductor Inc., ht82m22a Datasheet - Page 2

• Manufacturer Part Number: ht82m22a
• Description: Ht82m22a -- 5-key 3d Usb+ps/2 Optical Mouse Controller
• Manufacturer: Holtek Semiconductor Inc.

Pin Assignment
Pin Description
Absolute Maximum Ratings
Supply Voltage ..............................V
MCU Input Voltage.....................V
USB Input Voltage ....................V
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may
Rev. 1.40
1
2
3
4
5
6, 9
7
8
10, 11
14, 15, 16
12, 13
17
18
19
20
Pin No.
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.
VSS
V33O
USBD+/CLK
USBD DATA
RESET
SEL1
SEL0
SDIO
SCLK(PA5)
RB0, RB1
L, R, M
Z1, Z2
LED
VDD
OSC2
OSC1
Pin Name
I/O
I/O USB data plus or PS2 Clock, F/W auto-detect USBD+ for USB, CLK for PS2
I/O USB data minus or PS2 Data, F/W auto-detect USB for USB, DATA for PS2
I/O Serial data for Agilent sensor IC SDIO
I/O Drives LED output
O
O
I
I
I
I
I
I
SS
SS
Negative power supply, ground
3.3V voltage output
Chip reset input, low active
Configuration selections
For ADNS 2051:
For ADNS 2610/2620:
Serial data for Agilent sensor IC SCLK
Click button detection. Input ports with 30k pull-high resistor.
Input ports with pull-high resistor. These pads can function as Left, Right, Middle,
B4 and B5 button input lines.
Z-axis input supports two kinds of scroller input; optomechanical and mechanical.
5V positive power supply
6MHz OSC output
6MHz OSC input
SS
0.3V to V
SEL1=0: Z-axis is divided by 2 (default)
SEL1=1: Z-axis is divided by 4
SEL0=0: 800DPI (default)
SEL0=1: 400DPI
SEL0=0, 400DPI (default)
SEL0=1, 800DPI-by firmware
0.3V to V
0.3V to V
33O
DD
SS
+0.3V
+0.3V
+6V
2
Storage Temperature ............................ 50 C to 125 C
Operating Temperature........................... 25 C to 70 C
Description
September 15, 2005
HT82M22A