ADNS-7530 Avago Technologies US Inc., ADNS-7530 Datasheet - Page 26

• Manufacturer Part Number: ADNS-7530
• Description: Optical Mouse Sensor,DIP
• Manufacturer: Avago Technologies US Inc.

Specifications of ADNS-7530

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

Maximum_Pixel
Access: Read
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 18-bit integer.
USAGE: This register is used to find the average pixel value. It reports the upper eight bits of a 18-bit counter, which
sums all pixels in the current frame. It may be described as the full sum divided by 1024. To find the average pixel
value, use the following formula:
The maximum register value is 167. The minimum is 0. The pixel sum value can change on every frame.
Minimum_Pixel
Access: Read
Data Type
USAGE : Minimum Pixel value in current frame. Minimum value = 0, maximum value = 254. The minimum pixel value
can vary with every frame.
26
Field
Field
Field
Bit
Bit
Bit
Average Pixel = Register Value * 1024/676 = Register Value * 1.515
: Eight-bit number.
MP
MP
AP
7
7
7
7
7
7
Address: 0x0
Reset Value: 0xd0
Address: 0x0a
Reset Value: 0x80
Address: 0x0b
Reset Value: 0x00
MP
MP
AP
6
6
6
MP
MP
AP
5
5
5
5
5
5
MP
MP
AP
4
4
4
MP
MP
AP
3
3
3
3
3
3
MP
MP
AP
2
2
2
MP
MP
AP
1
1
1
1
1
1
MP
MP
AP
0
0
0
0
0
0