ASAHI KASEI
[AK8850]
8. REGISTER DEFINITION
The AK8850 has the following registers.
Sub
Address
Register
Default
R/W
Function
0x00
Input Video Standard Register
0x00
R/W
Set Input Video Standard
0x01
Input Signal Select Register
0x11
R/W
Select Input Video signal
0x02
Vertical Blanking Length Register
0x14
R/W
Set VBI Interval
0x05
Output Control Register
0x14
R/W
Set the attribution of output data
0x06
Output Format Register
0x00
R/W
Set the output I/F
0x08
Control-1 Register
0x80
R/W
Control Register
0x09
Control-2 Register
0xC1
R/W
Control Register
0x0A
Clamp Control Register
0x00
R/W
Set the clamp function setting
0x0B
Clamp Timing Control Register
0x11
R/W
Set the clamp pulse timing
0x0C
Clamp Timing 2 Control Register
0x1C
Set the clamp pulse timing
0x0D
PGA1 Gain Control Register
0x40
R/W
Set the manual Gain of PGA1
0x0E
PGA2 Gain Control Register
0x40
R/W
Set the manual Gain of PGA2
0x0F
PGA3 Gain Control Register
0x40
R/W
Set the manual Gain of PGA3
0x10
Y/C Separation Control Register
0x06
R/W
Set the YC Separation function
0x11
Color Killer Control Register
0xAD
R/W
Color killer setting
0x12
Brightness Control Register
0x00
R/W
Set Brightness adjustment
0x13
Contrast Control Register
0x80
R/W
Set Contrast adjustment
0x14
Saturation Control Register
0x80
R/W
Set Saturation adjustment
0x15
HUE Control Register
0x00
R/W
Set HUE adjustment
0x1C
Power Save Register
0x00
R/W
Power Save setting
0x1F
Request VBI Info Register
0x00
W
VBIDdata decode requet
0x20
Status 1 Register
0x00
R
Internal status of AK8850
0x21
Status 2 Register
0x00
R
nternal status of AK8850
0x22
Closed Caption1 Register
0x00
R
Closed Caption data
0x23
Closed Caption2 Register
0x00
R
Closed Caption data
0x24
Extended Data 1 Register
0x00
R
Closed Caption Extended data
0x25
Extended Data 2 Register
0x00
R
Closed Caption Extended data
0x26
VBID1 Register
0x00
R
VBID data
0x27
VBID2 Register
0x00
R
VBID data
0x28
WSS1 Register
0x00
R
WSS data
0x29
WSS2 & Aspect Data Register
0x00
R
WSS data and video aspect data.
0x2E
Device/Revision ID Register
0x00
R
Device ID / Revision ID
0x36
Clock Control-1 Register
0x84
R/W
Clock transition control register.
0x37
Clock Control-2 Register
0x7C
R/W
Clock transition control register.
0x38
Clock Control-3 Register
0x3C
R/W
Clock transition control register.
Clock Control-4 Register
0xDC
R/W
0x3A
Clock Control-5 Register
0x04
R/W
Clock transition control register.
0x46
PLL Control Register
0x00
R/W
PLL Control Register
0x47
PLL DAC Set Register
0x80
R/W
PLL_DAC Setting register
0x39
Clock transition control register.
Rev.0
69
2003/01