參數(shù)資料
型號: AK4632VN
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16-Bit ツヒ Mono CODEC with ALC & MIC/SPK/Video-AMP
中文描述: 16位ツヒALC的單聲道編解碼器
文件頁數(shù): 66/70頁
文件大小: 639K
代理商: AK4632VN
ASAHI KASEI
[AK4632]
MS0396-E-00
2005/06
- 66 -
Video Signal Input and Output
SAGC1-0 bits
(Addr:0CH, D6-5)
PMV bit
(Addr:01H, D7)
X X
X X
VOUT pin
AVSS
AVSS
(2)
(3)
Normal Output
VGCA4-0 bits
(Addr:0CH, D4-0)
X X X X X
X X X X X
(4)
PMVCM bit
(Addr:00H, D6)
Clocks
X
1
Clocks can be stopped, if only video output is enable.
(1)
Example:
Audio Function :No use
PLL Master Mode
VIDEO Output : DC Output
VGCA : 0dB
(1) Addr:00H, Data:45H
(3) Addr:01H, Data:8BH
Video Output
(2) Addr:0CH, Data:02H
(4) Addr:01H, Data:0BH
Figure 55. Video Output Sequence
<Example>
When the only video function is used, the clocks are not needed to input.
(1) Power Up of VCOM : PMVCM bit =
0
1
(2) Set up the output circuit(SAGC1-0bits) and GCA(VGCA4-0 bits)
(3 ) Power Up of Video-Amp : PMV bit =
0
1
The video signal that is input to VIN pin starts output from VOUT pin.
(4) Power Down of Video-Amp : PMV bit =
1
0
The output from VOUT pin stops. VOUT pin goes to AVSS.
If any audio functions are not used, VCOM can be powered-down(PMVCM bit =
0
)
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