ICM-515NBSA ETC1 [List of Unclassifed Manufacturers], ICM-515NBSA Datasheet - Page 10

• Manufacturer Part Number: ICM-515NBSA
• Description: Color CMOS Image Sensor With 574x483 Pixel NTSC Composite Video Output
• Manufacturer: ETC1 [List of Unclassifed Manufacturers]

0x31
0x33
0x1E
0x1F
0x34
0x35
0x36
0x37
0x38
0x39
Auto exposure control parameters
0x3A
0x3B
0x3C
0x3D
0x3E
0x40
0x43
©2000, 2001,2002 IC Media Corporation & IC Media Technology Corp
AD_SP_Hith
AD_AWB_CTRL*
AD_AWB_GAIN_CTRL
AD_AWB_WF_CTRL
AD_AWB_OVERFLOW*
AD_AWB_BRIGHTTH*
AD_DG_GAIN*
AD_WB_RED*
AD_WB_GREEN*
AD_WB_BLUE*
AD_AE_CTRL*
AD_AETARGET
AD_AETOLE
AD_BLL
AD_BLH
AD_AEGAIN_CTRL
AD_AESTEP
0x0A
(10)
0xC7
0xF8
0xB0
0xFE
(254)
0x00
0x20
0x70
0x80
0x90
0xF7
0x38
(56)
0x08
0xC0
0x78
0xBF
ICM515NB 574x483 Pixel CMOS NTSC Sensor
page 10
[7:0] sharpness high tone threshold
[0] 0:disable AWB 1:enable AWB
[1] 0: G, R, B has range limit, R>G/2 & G>R/2 &
[2] Image changing low pass filter,
[3] low pass adjust step, 0: 1/8, 1:1/4
[6] 0: Disable AWB either at low lux or AE is
changing; 1: AWB is always ON.
[7] AWB sampling area selection
Min value: [3:0]x1/8; Max value: [7:4]x1/4
[4:0] AWB sampling frequency in terms of frame
period: [4:0]x2;
[7:5] White pixel limit: 2^([7:5]+4)
[7:0] AWB overflow limit, if "R,G,B" of pixel >
(overflowx2+1), this pixel will not be satisfied.
[7:0] AWB Bright limit, if "G"/2 of pixel > Bright
limit, this pixel will be satisfied.
[7:0] digital gain, 3.5 format
When AE on, read back AE`s Digital Gain
[7:0] white balance red gain, 2.6 format
[7:0] white balance green gain, 2.6 format
[7:0] white balance blue gain, 2.6 format
[0] 0:disable AE, 1:enable AE
[1] 0:disable Digital Gain compensation, 1:enable
[2] 0:disable Anti-Flicker, 1:enable Anti-Flicker
[3] ET_fast control, 0:ET search start from former
[7:4] x2: The image change frame number
[7:0] AE Y target, Y=(2R/8+5G/8+B/8)*1/2
[7:0] AE Y change tolerance
[10:0] bright pixel number limit,10% of sampling
pixel number:2040 ,if the bright pixel number >
limit, this frame is over exposed, AE target is
reduced automatically by 10
Digital gain limit
[3:0] x1/8: min digital gain limit
[7:4] x1/2 max digital gain limit
AE adjust step ratio to expected step
min step is (1/32)
min step is (1/32)
[2:0]: 1/2^[2:0]: the ratio for ET increase step;
[5:3:] 1/2^[5:3]: the ratio for ET decrease step;
B>G/2 & G>B/2 1: Gray Wall method
0:disable 1:enabl
0:Center 1:whole Frame
Digital Gain compensation
ET, 1:ET search start from 524
tolerance
Data Sheet V1.0 November 2002
4: 2.5
6: 3.5
Company Confidential
7: 4
5: 3
1/17/2003