ADNS-4000 Avago Technologies US Inc., ADNS-4000 Datasheet - Page 24

• 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

MOUSE_CTRL
Mouse Control Register
Access: Read/Write
Data Type: Bit fi eld
USAGE: Resolution and chip reset information can be accessed or to be edited by this register.
NOTE:
1. Setting MOUSE_CTRL [5] bit to ‘1’ will supersede and ignore MOUSE_CTRL [0] setting.
2. Each read/write operation of this register should be followed by a write operation: write register 0x21 with 0x10.
RUN_DOWNSHIFT
Run to Rest1 Time Register
Access: Read/Write
Data Type:
USAGE:
24
Bit(s)
7:6
5
4:2
1
0
Field RSVD
Field RUD7
Bit 7
Bit 7
Field Name
RSVD
RES_EN
RES [2:0]
PD
RES_D
Address: 0x0d
Reset Value: 0x01
Address: 0x0e
Reset Value: 0x46
Eight bit number
This register sets the Run to Rest1 mode downshift time. The time is the value of this register
multiply by 16 frames. Min value for this register must be 1.
For example at typical frame rate of 2250fps, each frame period is about 444us. Therefore the
run downshift time would be Register value (0x46) * 16 * frame period = 70 * 16 * 444us =
497.3ms
6
RSVD
6
RUD6
Description
Reserved
Enable resolution settings set on
MOUSE_CTRL [4:2]
Resolution
Power Down
000: 1000 dpi (default)
001: 250 dpi
010: 500 dpi
011: 1250 dpi
100: 1500 dpi
101: 1750 dpi
0: 500 dpi
1: 1000 dpi (default)
5
RES_EN
5
RUD5
4
RES2
4
RUD4
3
RES1
3
RUD3
2
RES0
2
RUD2
1
PD
1
RUD1
0
RES_D
0
RUD0