H1A424M167 Datasheet, PDF (30/47 Pages) Hynix Semiconductor – Image Signal Processor for Hyundai CMOS Image Sensor

Hyundai Electronics Industries Co., Ltd.
H1A424M167
[ 1 ] AWB Function Control
1 : AWB On,
0 : AWB Off
[ 0 ] AE Mode Control 0
Define AE mode with AE mode control 1 at bit 6
[R/W]
[R/W]
AE mode control 1
0
0
1
AE mode control 0
0
1
X
AE mode
AE disable
AE pixel mode
AE anti-flicker mode
8.3.2. AWB/AE Windows Configuration Registers[A1h~A6h]
Hyundai H1A424M167 analyze the input image from the CMOS Image Sensor, base
on the 9 programmable windows for AE and AWB. The AE and AWB function use Y
and U,V values from 9 independent windows to adjust brightness and to correct color
balance.
l AWB/AE Windows Configuration
Ha
Hb
Hc
Hb
Va
Vb
A
B
A
Window
Window
Window
Vc
B
Window
C
Window
B
Window
Vb
A
B
A
Window
Window
Window
Full Frame Window
AE Window
AHstartAReg(Ha)
AHstartBReg(Hb)
AHstartCReg(Hc)
AVstartAReg(Va)
AVstartBReg(Vb)
AVstartCReg(Vc)
AWB/AE Window Horizontal Start Position Ha [A1h]
[7]
[6]
[5]
[4]
[3]
[2]
[ 7..0 ] A-Windows Horizontal Size Pixel Count Value
Horizontal Side Segment Width Hb [A2h]
[7]
[6]
[5]
[4]
[3]
[2]
[ 7..0 ] B-Windows Horizontal Size Pixel Count Value
[2Dh]
[1]
[0]
[R/W]
[96h]
[1]
[0]
[R/W]
1999 October 11
Page 30