ADNS-4000 Avago Technologies US Inc., ADNS-4000 Datasheet - Page 22

• 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

PIX_MAX
Maximum Pixel Value Register
Access: Read
Data Type:
USAGE:
PIX_ACCUM
Average Pixel Value Register
Access: Read
Data Type:
USAGE:
PIX_MIN
Minimum Pixel Value Register
Access: Read
Data Type:
USAGE:
22
Field MP7
Field AP7
Field MP7
Bit 7
Bit 7
Bit 7
Address: 0x08
Reset Value: 0x00
Eight-bit number.
Store the highest pixel value in current frame. Minimum value = 0, maximum value = 255. The
highest pixel value may vary with diff erent frame.
Address: 0x09
Reset Value: 0x00
High 8-bits of an unsigned 16-bit integer.
This register stores the accumulated pixel value of the last image taken. This register can be
used to fi nd the average pixel value, where Average Pixel = (register value AP[7:0]) * 0.71
The maximum accumulated value is 45847 but only bits [15:8] are reported, therefore the
maximum register value is 179. The minimum is 0. The PIX_ACCUM value may vary with
diff erent frame.
Address: 0x0a
Reset Value: 0x00
Eight-bit number.
Store the lowest pixel value in current frame. Minimum value = 0, maximum value = 127. The
minimum pixel value may vary with diff erent frame.
6
MP6
6
AP6
6
MP6
5
MP5
5
AP5
5
MP5
4
MP4
4
AP4
4
MP4
3
MP3
3
AP3
3
MP3
2
MP2
2
AP2
2
MP2
1
MP1
1
AP1
1
MP1
0
MP0
0
AP0
0
MP0