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PAW3203DI Datasheet, PDF (2/14 Pages) Pixart Imaging Inc. – WIRELESS OPTICAL MOUSE SINGLE CHIP
PixArt Imaging Inc.
PAW3203DI
Wireless Optical Mouse Single Chip
1. Pin Configuration
1.1 Pin Description
Pin
#
Name
Type
Definition
1 ZY1 IN
Z axis, scroller input, internal pull-low (50k), support mechanical encoder only
2 ZY2 IN
Z axis, scroller input, internal pull-low (50k), support mechanical encoder only
3 BL
IN
Button left key input, internal pull-high (50k), press connect to low
4 B4
IN
Button 4 key input, internal pull-high (50k), press connect to low
5 LED I/O
LED driver control
6 OSCOUT OUT Oscillator output, connect to 27 MHz crystal
7 OSCIN IN
Oscillator input, connect to 27 MHz crystal
8 VDDD PWR Digital circuit voltage power, 1.8V
9 VSS GND Chip ground
10 VDD PWR Chip I/O power voltage, 1.73V ~ 1.87V(Vdd1) or 2.5V ~ 2.9V(Vdd2)
11 VDDA PWR Analog circuit voltage power, 1.8V
12 VREF BYPASS Analog circuit voltage reference
13 B5
IN
Button 5 key input, internal pull-high (50k), press connect to low
14 NC
-
No connection
15 ISCK IN
I2C serial clock, internal pull-high (5k)
16 ISDA I/O
I2C bi-directional input/output pin, internal pull-high (5k)
17 RFID IN
RFID resynchronization, internal pull-high (50k), press connect to low
18 RFDATA OUT RF data output, CMOS output
19 RFEN OUT RF power control, CMOS output
20 BR
IN
Button right key input, internal pull-high (50k), press connect to low
21 BM
IN
Button middle key input, internal pull-high (50k), press connect to low
22 NC
-
No connection
23 RFU IN
Reserve for future use
24 BATLow IN
Battery low detection input
1.2 Pin Assignment
1
24
LB
RB
+Y
1
24
12
13
12
13
Figure 1. Top View Pinout
+X
Figure 2. Top View of Mouse
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2
PixArt Imaging Inc.
E-mail: fae_service@pixart.com.tw
V0.3 April. 2008