ak8825 AKM Semiconductor, Inc., ak8825 Datasheet - Page 139

• Manufacturer Part Number: ak8825
• Description: Hd/sd Multi Format Video Encoder With 3ch Dac
• Manufacturer: AKM Semiconductor, Inc.

DAC Control Register(R/W) [Sub Address 0x0D]
[Common Register for all Function block]
to set on / off of DACs
Sub Address 0x0D
Rev-E-00
bit 0
bit 1
bit 2
bit 3
bit 4
bit 5
bit 6
bit 7
BIT
~
Reserved
bit 7
0
Register Name
CVBSSEL
Reserved
DAC1EN
DAC2EN
DAC3EN
DTRSTN
OLVL
Reserved
bit 6
0
DAC1 Enable bit
DAC2 Enable bit
DAC3 Enable bit
CVBS Select bit
Data Clear bit
Output Level bit
Reserved bit
OLVL
bit 5
0
DTRSTN
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
bit 4
0
Default Value
to control DAC1 ON/OFF
0: OFF (Output pin is Hi-z States)
1: ON
to control DAC2 ON/OFF
0: OFF (Output pin is Hi-z States)
1: ON
to control DAC3 ON/OFF
0: OFF (Output pin is Hi-z States)
1: ON
to select the DAC for CVBS output
0: DAC3 outputs CVBS
1: DAC1 outputs CVBS
to Reset all block
0: Initialize the circuit
1: to release initialized states
to control DAC output Level
This bit is valid at High Speed DAC mode.
0: to output about 1.28V at 0xFF code.
1: to output about 0.7V at 0xFF code.
Reserved, write “0 “.
139
CVBSSEL
bit 3
0
DAC3EN
bit 2
0
Definition
DAC2EN
bit 1
0
default Value 0x00
DAC1EN
bit 0
2008/03
0
[AK8825]