參數(shù)資料
型號: AK4220
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 7:3 Audio Switch and 6:3 Video Switch
中文描述: 7:3音頻交換機(jī)和6點(diǎn)03分視頻開關(guān)
文件頁數(shù): 26/33頁
文件大?。?/td> 537K
代理商: AK4220
I
[AK4220]
MS0627-E-00
2007/05
- 26 -
Register Map
Addr
00H
Power Down & Reset
01H
Input Selector 1
02H
Input Selector 2
03H
Input Selector 3
04H
Detection Control1
05H
Detection Control2
06H
Detection Control3
07H
Parallel Output
08H
AV Detection
Note:
When the PDN pin goes “L”, the registers are initialized to their default values.
The bits indicated to “0” in the register map must contain a
0
value.
Do not write any data to the register over 09H.
Register Definitions
Reset & Initialize
Addr
Register Name
00H
Power Down & Reset
R/W
R/W
Default
PW: Power bit
0: Power-down except register control block. The register don’t change. (default)
1: Normal operation
When PDN pin=“L”, PW bit becomes “1” and the registers are initialized to their default values.
BIAS: Audio Bias Power bit
0: Power-down the Audio Bias Circuit (default)
1: Normal operation
SAGN: Video output selector bit
0: Sag Compensation mode (default)
1: DC output mode
Addr
Register Name
D7
D6
01H
Input Selector 1
0
VSEL12
R/W
R/W
R/W
Default
0
0
ASEL12-10: Audio Input Selector 1
Refer Table 1
VSEL12-10: Video Input Selector 1
Refer Table 4
Register Name
D7
0
0
0
0
0
RTM1
VDMD
0
0
D6
0
D5
0
D4
D3
0
0
0
0
0
0
0
Q3
0
D2
0
D1
BIAS
ASEL11
ASEL21
ASEL31
0
ADSEL1
LV1
Q1
0
D0
PW
SAGN
VSEL10
VSEL20
VSEL30
VDSEL0
ACT0
MADETL
Q4
ADETL
VSEL12
VSEL22
VSEL32
VDSEL2
RTM0
MVDET
0
VDET
VSEL11
VSEL21
VSEL31
VDSEL1
ACT1
MADETR
0
ADETR
ASEL12
ASEL22
ASEL32
0
ADSEL2
LV2
Q2
0
ASEL10
ASEL20
ASEL30
0
ADSEL0
LV0
Q0
0
D7
0
D6
0
R/W
0
D5
0
R/W
0
D4
SAGN
R/W
0
D3
0
R/W
0
D2
0
R/W
0
D1
BIAS
R/W
0
D0
PW
R/W
1
0
D5
D4
D3
0
R/W
0
D2
D1
D0
VSEL11
R/W
0
VSEL10
R/W
0
ASEL12 ASEL11
R/W
0
ASEL10
R/W
0
R/W
0
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