ADNS-4000 Avago Technologies US Inc., ADNS-4000 Datasheet - Page 26

• Manufacturer Part Number: ADNS-4000
• Description: SENSOR OPTICAL MOUSE LP 8DIP
• Manufacturer: Avago Technologies US Inc.

Specifications of ADNS-4000

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

REST2_DOWNSHIFT
Rest2 to Rest3 Downshift Time Register
Access: Read/Write
Data Type:
USAGE:
REST3_PERIOD
Rest3 Period Register
Access: Read/Write
Data Type
USAGE:
NOTE:
MOUSE_CTRL_EN
Mouse Control Enable Register
Access: Write
Data Type:
USAGE:
26
Bit
Field
Field R2D7
Field R3P7
Bit 7
Bit 7
7
MCE7
Address: 0x12
Reset Value: 0x2f
Eight bit number
This register sets the Rest1 to Rest2 mode downshift time. Time = (register value R2D [7:0] ) x
(Rest2 period) x 128. Min value for this register is 0.
Address: 0x13
Reset Value: 0x31
Eight bit number
This register sets the Rest3 period. Period = (register value R3P [7:0] +1) x 7ms (typical slow
clock period). Min value for this register is 0. Max value is 0xFD.
Writing into this register when the sensor itself is operating in this rest mode may result in
unexpected behavior of the sensor. To avoid this from happening, below commands should
be incorporated prior and after the write command into this register.
w 22 80 -> write 0x80H into register 0x22H prior to writing into this register
w 13 XX -> writing into this register
w 22 00 -> write 0x00H into register 0x22H after writing into this register
Address: 0x21
Reset Value: 0x00
Eight bit unsigned integer.
Write 0x10 to this register after accessing register 0x0d to complete read/write operations.
6
R2D6
6
R3P6
6
MCE6
5
R2D5
5
R3P5
5
MCE5
4
R2D4
4
R3P4
4
MCE4
3
R2D3
3
R3P3
3
MCE3
2
R2D2
2
R3P2
2
MCE2
1
R2D1
1
R3P1
1
MCE1
0
R2D0
0
R3P0
0
MCE0