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ADNS-3530 Datasheet(PDF) 12 Page - Pixart Imaging Inc.

Part No. ADNS-3530
Description  Low Power LED Integrated Slim Mouse Sensor
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Maker  PIXART [Pixart Imaging Inc.]
Homepage  http://www.pixart.com.tw
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ADNS-3530 Datasheet(HTML) 12 Page - Pixart Imaging Inc.

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12
Figure 11. Write operation
Figure 12. MOSI setup and hold time
Read Operation
A read operation, defined as data going from the ADNS-
3530 to the microcontroller, is always initiated by the
microcontroller and consists of two bytes. The first byte
contains the address, is sent by the microcontroller over
MOSI, and has a “0” as its MSB to indicate data direction.
The second byte contains the data and is driven by the
ADNS-3530 over MISO. The sensor outputs MISO bits on
falling edges of SCLK and samples MOSI bits on every
rising edge of SCLK.
Figure 13. Read operation
Figure 14. MISO delay and hold time
1
1
2
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2
1
D0
D5
D6
D7
A0
A1
A2
A3
A4
A5
A6
1A6
D4
D3
D2
D1
SCLK
NCS
MOSI
MOSI DRIVEN BY MICRO-CONTROLLER
MISO
tsetup, MOSI
thold, MOSI
SCLK
MOSI
1
1
2
3
4
5
6
7
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9
10
11
12
13
14
15
16
A0
A1
A2
A3
A4
A5
A6
SCLK
NCS
SCLK
CYCLE #
MOSI
D0
D5
D6
D7
tSRAD DELAY
D4
D3
D2
D1
MISO
D0
tHOLD-MISO
tDLY-MISO
SCLK
MISO
PixArt Imaging Inc.
Low Power LED Integrated Slim Mouse Sensor
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.
E-mail: fae_service@pixart.com.tw


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