ADNB-7051-EV Avago Technologies US Inc., ADNB-7051-EV Datasheet - Page 26

• Manufacturer Part Number: ADNB-7051-EV
• Description: OPT SENSOR BUNDLE SET FOR A7050
• Manufacturer: Avago Technologies US Inc.

Specifications of ADNB-7051-EV

• Description/function: Laser Mouse Bundle
• Interface Type: SPI
• Product: Display Modules
• Touch Panel: No Touch Panel
• For Use With/related Products: ADNS-7050
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

26
Data Type: Eight-bit number
USAGE: Maximum Pixel value in current frame. Minimum value = 0, maximum value = 254. The maximum pixel value
can vary with every frame.
Pixel_Sum
Access: Read
Data Type: High 8 bits of an unsigned 17-bit integer
USAGE: This register is used to find the average pixel value. It reports the upper eight bits of a 17-bit counter, which
sums all pixels in the current frame. It may be described as the full sum divided by 512. To find the average pixel value,
use the following formula:
The maximum register value is 241. The minimum is 0. The pixel sum value can change on every frame.
Maximum_Pixel
Access: Read
Bit
Field
Bit
Field
Address: 0x0
Reset Value: 0x80
Address: 0x08
Reset Value: 0xd0
Average Pixel = Register Value * 512/484 = Register Value * 1.058
7
MP
7
AP
7
7
6
MP
6
AP
6
6
5
MP
5
AP
5
5
4
MP
4
AP
4
4
3
MP
3
AP
3
3
2
MP
2
AP
2
2
1
MP
1
AP
1
1
0
MP
0
AP
0
0