参数资料
型号: CS7620
厂商: Cirrus Logic, Inc.
英文描述: CCD IMAGER ANALOG PROCESSOR
中文描述: CCD成像器模拟处理器
文件页数: 47/70页
文件大小: 1032K
代理商: CS7620
CS7620
DS301PP2
47
4.28
Timing Control - Lines of Exposure in Low Resolution Mode (MSBs)
Default = 06h; Read/Write (address 26h)
4.29
Timing Control - Polarity of Vertical Shift Outputs
Default = FFh; Read/Write (address 28h)
Bit Number
Bit Name
Default
7
6
5
4
3
2
1
0
n_int7
0
n_int6
0
n_int5
0
n_int4
0
n_int3
0
n_int2
1
n_int1
1
n_int0
0
Bit
7
6
5
4
3
2
1
Mnemonic
n_int7
n_int6
n_int5
n_int4
n_int3
n_int2
n_int1
Function
Exposure Time in Low Resolution Mode:
In low resolution mode, the
CS7620 continuously outputs data on a frame by frame basis; so it can drive
a LCD panel in a video mode. In this mode the CS7620 ignores the expose
signal.
N_int allows to shorten the exposure time while in low resolution mode.
N_int controls the amount of time (measured in readout lines) where the CCD
will be exposed to light. The default is 262, this means that the CCD receives
full exposure during readout. By decreasing n_int, the amount of exposure can
be decreased. To further increase this exposure time beyond the full 262 lines
of readout time, the n_extra register (23h and 24h) is provided.
0
n_int0
Bit Number
Bit Name
Default
7
6
5
4
3
2
1
0
v_polarity7
1
v_polarity6
1
v_polarity5
1
v_polarity4
1
v_polarity3
1
v_polarity2
1
v_polarity1
1
v_polarity0
1
Bit
7
6
5
4
3
2
1
0
Mnemonic
v_polarity7
v_polarity6
v_polarity5
v_polarity4
v_polarity3
v_polarity2
v_polarity1
v_polarity0
Function
Vertical Signal Polarity: Polarity of each of the eight vertical shift outputs
(V1 V2 V3 V4 S1 S2 S3 S4), where V1 polarity = MSB, S4 polarity = LSB
A “0” indicates that the signal state is low, a “1” indicates that the signal state
is high.
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