ADBM-A350-200 Avago Technologies US Inc., ADBM-A350-200 Datasheet - Page 28

• Manufacturer Part Number: ADBM-A350-200
• Description: Vigor Colossus OFN Module
• Manufacturer: Avago Technologies US Inc.

Specifications of ADBM-A350-200

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

Shutter_Upper
Access: Read
Shutter_Lower
Access: Read
Data Type: Sixteen bit unsigned integer.
USAGE: Units are clock cycles. Read Shutter_Upper fi rst, then Shutter_Lower. They should be read consecutively. The
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
Pixel_Sum
Access: Read
Data Type: High 8 bits of an unsigned 17-bit integer.
USAGE: This register is used to fi nd the average pixel value. It reports the seven bits of a 16-bit counter, which sums all
28
Bit
Field
Bit
Field
Bit
Field
Bit
Field
shutter is adjusted to keep the average and maximum pixel values within normal operating ranges. The shutter
value is automatically adjusted.
vary with every frame.
pixels in the current frame. It may be described as the full sum divided by 512. To fi nd the average pixel value,
use the following formula:
Average Pixel = Register Value * 128/121 = Register Value * 1.06
The maximum register value is 240. The minimum is 0. The pixel sum value can change every frame.
7
S
7
S
7
MP
7
AP
15
7
7
7
6
S
6
S
6
MP
6
AP
14
6
6
6
Address: 0x06
Reset Value: Any
Address: 0x07
Reset Value: Undefi ned
Address: 0x08
Reset Value: Any
Address: 0x09
Reset Value: Any
5
S
5
S
5
MP
5
AP
13
5
5
5
4
S
4
S
4
MP
4
AP
12
4
4
4
3
S
3
S
3
MP
3
AP
11
3
3
3
2
S
2
S
2
MP
2
AP
10
2
2
2
1
S
1
S
1
MP
1
AP
9
1
1
1
0
S
0
S
0
MP
0
AP
8
0
0
0