PAW3220LU-TJDU Datasheet, PDF (3/7 Pages) Pixart Imaging Inc. – Ultra-Low Power Wireless Mouse Sensor

PixArt Imaging Inc.
PAW3220LU-TJDU Product Brief
Ultra-Low Power Wireless Mouse Sensor
1.2 Signal Descriptions
Table 1. Signal Pins Description
Pin No. Signal Name
Functional Group:
A1
VDDA
E3
VDD
VSS
GND
Functional Group:
A3
NCS
C3
SDIO
D2
SCLK
Functional Group:
B2
MOTION
E1
LED
Type Description
Power Supplies
High Voltage Segment: VDDA is the 1.8V regulator output. Connect to a 4.7uF
PWR bypass capacitor.
Low Voltage Segment: Connect VDDA directly to VDD.
VDD is the power supply input.
PWR High Voltage Segment: VDD: 2.1 - 3.6 V
Low Voltage Segment: VDD: 1.7 - 2.1 V
GND Chip Ground
SPI Interface
Input Chip Select (Active Low Input)
BiDir Serial Data Input/Output
Input Serial Clock Input
I/O
Output Motion Detect (Active Low Output)
Output LED Illumination Control
Top View of Sensor
(Optical sensing area up, Bumps down)
1
2
3
Top View of Mouse Casing
(Optical sensing area down, Bumps up)
LB
RB
A
VDDA
NCS
B
MOTION
C
VSS
SDIO
D
SCLK
E
LED
VDD
321
+Y
A
B
C
D
E
+X
Figure 2. Device Pinout in relation to Orientation of Sensor and Mouse
Version 1.0 | 07 May 2015
PixArt Imaging Inc. http://www.pixart.com
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