PixArt Imaging Inc.

PAW3203DI

Wireless Optical Mouse Single Chip

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

.

12

PixArt Imaging Inc.

V0.3 April. 2008

6. EEPROM Table

1.

After power on, PAW3203DI will check EEPROM, if EEPROM address = 0x01 and data = 0xAA, continue

to read EEPROM address 0x02.

2.

When reading successive data is zero, PAW3203DI stops to read data from EEPROM.

3.

Placing updated address and data continuously.

Address Description

Default

06H

Resolution

00H

00H = 800, 01H = 400, 02H = 400, 03H = 600,

20H = 1000

80H

Sleep1 entry time

17H

8.88ms * 23 = 200ms

81H

Sleep1 period

1CH

1ms * (28+2) = 30ms (Refer to the Figure 10)

82H

Sleep1 pd low time to check sensor motion status

05H

1ms * 5 = 5ms (Refer to the Figure 10)

83H

Sleep2 pd low time to check sensor motion status

05H

1ms * 5 = 5ms (Refer to the Figure 10)

84H

Sleep2 entry time

3CH

1s * 60 = 60s

85H

Sleep2 period (6bits, range: 0~63)

28H

8ms * (40 + 1) = 328ms (Refer to the Figure 10)

86H

Manchester code 1T time (8051 timer0 timer)

D8H 4us * (FFH - D8H) = 160us

87H

Preamble total time

0FH

1T * 15 = 15T

88H

Preamble counts

06H

2T * (6 - 1) = 10T

89H

Chip turn

55H

15H = -90°, 55H = 0°, D5H = +90°

8DH

RFID timer

0FH

200ms * 15 = 3sec

SL EEP 1

S L EEP2

S lee p1 p e rio d

S leep 1 pd lo w tim e to c h e ck m o u se s e n s or m o tion s ta tu s

S leep 2 perio d

S leep 2 pd lo w tim e to c h e c k m o u se s e ns or m o tion s tatus

LE D O F F

LE D O N

LE D O N

LE D O F F

Figure 10. Sleep Period

For example:

EEPROM Address Sensor Address

Data

Description

0

-

0xNN

RF ID code, 0xNN = 0x01 ~ 0xFF

1

-

0xAA

If the data is 0xAA, then PAW3203 continue to read

EEPROM address 0x02, else stop to read any data from

EEPROM

2, 3

0x06

0x00

800 CPI

4, 5

0x80

0x17

Sleep1 entry time

6, 7

0x81

0x1C

Sleep1 period

8, 9

0x82

0x05

Sleep1 pd low time to check sensor motion status

10, 11

0x83

0x05

Sleep2 pd low time to check sensor motion status

12, 13

0x84

0x3C

Sleep2 entry time

14, 15

0x85

0x28

Sleep2 period (6bits, range: 0 ~ 63)

16, 17

0x86

0xD8

Manchester code 1T time (8051 timer0 timer)

18, 19

0x87

0x0F

Preamble total time

20, 21

0x88

0x06

Preamble counts

22, 23

0x89

0x55

Chip turn 0°

24, 25

0x8D

0x0F

RFID timer

26

-

0x00

Ending code

27

-

0x00

Ending code