CHEETAH Hardware User’s Manual
Imperx, Inc.
Rev. 2.0.7
6421 Congress Ave.
7/7/2015
Boca Raton, FL 33487
+1 (561) 989-0006
134 of 152
A.3 FRAME A REGISTERS (Stored in FLASH)
Address
Register Name
Type
Usage
MIN Value
MAX Value
0x0000
Frame A
–
AOI Vertical Offset (Y1)
RW
Offset Value
d(11:0). multiple of 2
0x00000000
MAX_VER_SZE-2
0x0004
Frame A
–
AOI Height (H1)
RW
Height Value
D(11:0) multiple of 2
0x00000000
MAX_VER_SZE
0x0008
Frame A
–
AOI Horizontal Offset
(X1)
RW
Offset Value
d(11:0) multiple of 2
0x00000000
MAX_HOR_SZE-2
0x000C
Frame A
–
AOI Width (W1)
RW
Width Value
d(11:0) multiple of 2
0x00000000
MAX_HOR_SZE
0x0050 Frame A
– Black Level
RW
Black Offset Value
0x00000000
0x000007FF
0x0700
Frame A
–
Fixed Frame Period
Enable
RW
00
– Disable,
01
– Enable
0x00000000
0x00000001
0x0704
Frame A
–
Fixed Period (in line
times)
RW
<# lines>
0x00000000
0x0000FFFF
0x0710 Frame A
– Line Time
RW Line Time (pixel clocks) 0x00000000
0x00000001
0x0720
Frame A
– Exposure
Control mode
RW
00- Off,
01
– trigger Pulse width
10
– Internal Timer
0x00000000
0x00000002
0x0728 Frame A Integration Lines RW
Exposure Value
(in Lines)
0x00000000
0x00000001
0x072C
Frame A Integration
Clocks
RW
Exposure Value
Pixel Clocks)
0x00000001
0x00000001
0x073C
Frame A Decimation
Mode
RW
00
– off,
01
– Subsample enable
02
– Averaging Mode
0x00000001
0x00000002
0x0740
Frame A Subsampling
Parameter N
RW
# Contiguous Pixels to
Keep (mult of 2)
0x00000001
0x0000000F
0x0744
Frame A Subsampling
Parameter M
RW
# Pixels to skip
0x00000001
0x0000000F
0x0748 Frame A Analog Gain
RW <Analog Gain Value>
0x00000001
0x0000007F
0x074C Frame A Digital Gain Fine RW <Dig. Gain Fine Value> 0x00000001
0x0000003F
0x0750
Frame A Digital Gain
Coarse
RW
<Dig. Gain Coarse
Value)
0x00000001
0x00000003
0x0778 Frame A Pixel Averaging RW
00
– 4:1, 01 – 9:1
0x00000001
0x00000001