15

Required Timing between Read and Write Commands

There are minimum timing requirements between read and write commands on the serial port.

SCLK

WRITE OPERATION

ADDRESS

DATA

WRITE OPERATION

ADDRESS

DATA

Timing between Two Write Commands

then the first write command may not complete correctly.

Timing between Write and Read Commands

command may not complete correctly.

SCLK

WRITE OPERATION

ADDRESS

DATA

NEXT READ OPERATION

ADDRESS

SCLK

READ OPERATION

ADDRESS

NEXT READ

or WRITE OPERATION

ADDRESS

DATA

Timing between Read and Subsequent Write or Read Commands

has time to prepare the requested data. The falling edge of SCLK for the first address bit of either the read or write com-

Motion Burst Timing

MOTION_BURST REGISTER ADDRESS

READ FIRST BYTE

FIRST READ OPERATION

READ SECOND BYTE

READ THIRD BYTE

SCLK

All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.

PixArt Imaging Inc.

PixArt Imaging Inc.

ADNS-3000 Low Power Optical Mouse Sensor