GENERAL DESCRIPTION
Refer to the datasheets for detailed register descriptions of the PixArt sensors. Selection Table Part No. HT82M32A HT82M32B Z-axis Option Divided by 2 Divided by 4 Pin Assignment R B 1 2 3 4 5 6 7 8 L B Z 2 /A Z 1 /B R B 1 S D IO S C L K V S S 1 6 1 5 1 4 1 3 1 2 1 1 1 0 9 R O R B 0 P S 2 D P S 2 C K N C O S C 1 V D D R E S H T 8 2 M 3 2 A /H T 8 2 M 3 2 B 1 6 D IP -A Rev. 1.00 1 January 24, 2006 HT82M32A/HT82M32B Pin DESCRIPTION
Pin Name RB, RO, LB I/O I DESCRIPTION
Right Button: Normal pull-high resistor (30kW) Rolling Button: Normal pull-high resistor (30kW) Left Button: Normal pull-high resistor (30kW) ²Z² axis input supports three kinds of scroller input Normal pull-high resistor (30kW) Input ports with 30kW pull-high resistor Z2/A, Z1/B RB1, RB0 SDIO SCLK VSS RES VDD I I I/O Serial data for PixArt sensor IC SDIO O Serial data for PixArt sensor IC SCLK ¾ Negative power supply, ground I Chip reset input, low active ¾ 5V positive power supply I 2MHz RC oscillato...