PAS005B Datasheet, PDF (5/41 Pages) Pixart Imaging Inc. – SXGA Color/Mono Digital CMOS Image Sensor

PixArt Imaging Inc.
PAS005B
CMOS Image Sensor IC
Figure 2.4 Companding curves program by comp_crv[2:0]
01 C








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YYYYYYY YYYYYYY


3. Register and Function
YYYYYYYY
YYYYYYYY *1 C
3.1. Register list
Register
Reg_2[3:0]
Reg_3[5:0]
Reg_4[7]
Reg_4[6]
Reg_4[5]
Reg_4[4]
Reg_4[3:2]
Reg_4[1:0]
Register
Np_i2c[3:0]
Np[5:0]
single_path
cm
rrc
rrr
cf[1:0]
rf[1:0]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Default
(Decimal)
Description
I2C sampling frequency = frequency of I_sysclk /
1 Np_i2c
Programming range of Np_i2c: 1~15
2
Pixel rate = frequency of I_sysclk / Np
Programming range of Np: 1~63
0
Analog signal processing single or double path
0: double path, 1: single path
Color mode or Mono mode(used only in sub-
1 sampling mode)
0: Mono mode, 1: color mode
0
reverse read column
0: forward readout, 1: reverse readout
0
reverse read row
0: forward readout, 1: reverse readout
column frequency
00: Normal readout without sub-sampling,
0 01: 1/2 sub-sampling
10: 1/4 sub-sampling,
11: 1/8 sub-sampling
row frequency
0 00: Normal readout without sub-sampling,
01: 1/2 sub-sampling
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PixArt Imaging Inc.
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