ak8825 AKM Semiconductor, Inc., ak8825 Datasheet - Page 138

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

I/O Pin Control Register (R/W) [Sub Address 0x0C]
[Common Register for all Function block]
to set the attribute of I/O pins.
Sub Address 0x0C
Rev-E-00
bit 0
bit 1
bit 2
bit 3
bit 4
bit 5
bit 6
bit 7
BIT
VDOEN
bit 7
0
Register Name
HDOPOL
Reserved
VDOPOL
HDI_INV
VDI_INV
CLKINV
HDOEN
VDOEN
HDOEN
bit 6
0
Clock Invert -bit
HDO Polarity bit
VDO Polarity bit
Reserved
HD polarity select
VD polarity select
HDO Output Enable bit
VDO
bit
Output Enable
VDI_INV
bit 5
0
HDI_INV
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
bit 4
0
Default Value
to set polarity of Clock for CLKIN pin
0: Capturing the data at the rising edge of clock
1: Capturing the data at the falling edge of clock
to set polarity of HDO
0: Same polarity as Input data.
1: Inverted polarity as Input data
to set polarity of VDO
0: Same polarity as Input data.
1: Inverted polarity as Input data
Reserved, write “0 “.
to set polarity of HDI
0 : Active Lo
1 : Active High
to set polarity of VDI
0 : Active Lo
1 : Active High
to control HDO
0: Disable to output the timing signal from HDO
1: Enable to output the timing signal from HDO
to control VDO
0: Disable to output the timing signal from VDO
1: Enable to output the timing signal from VDO
138
Reserved
bit 3
0
VDOPOL
bit 2
0
Definition
HDOPOL
bit 1
0
Default Value 0x00
CLKINV
bit 0
2008/03
0
[AK8825]