參數(shù)資料
型號： AK4705
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： 2ch 24bit DAC with AV SCART Switch
中文描述： 2通道24位DAC，具有影音SCART開關(guān)
文件頁數(shù)： 27/50頁
文件大小： 660K
代理商： AK4705
[AK4705]
MS0451-E-01
2007/06
- 27 -
(04H: D7-D6)
Mode
VRF1-0
bit
Source of
RFV pin
ENCV pin.
Encoder CVBS.
ENCG pin.
Encoder CVBS.
(Note: 19)
VCRVIN pin.
VCR CVBS.
(Hi-Z)
Encoder CVBS1
00
Encoder CVBS2
01
VCR
10
(default)
Shutdown
11
(Note: 19)
Table 15. RF video output
Note: 18: When input the video signal via ENCRC pin or VCRRC pin, set CLAMP1-0 bits respectively.
Note: 19 When VTV2-0 bit =“001”, TVG bit =“1” and VRF1-0 bit =“01”, RFV pin output is same
as TVG pin output (Encoder G).
■
Video Output Control (05H: D6-D0)
Each video outputs can be set to Hi-Z individually via control registers. These setting are ignored when the AUTO bit =
“1”. When the CIO bit = “1”, the VCRC pin outputs 0V even if the VCRC bit = “0”. When the CIO bit = “0”, the VCRC
pin follows the setting of VCRC bit. Please refer to the “Red/Chroma Bi-directional Control for VCR SCART”.
TVV: TVVOUT output control
TVR: TVRCOUT output control
TVG: TVGOUT output control
TVB: TVBOUT output control
VCRV: VCRVOUT output control
VCRC: VCRC output control
TVFB: TVFB output control
0: Hi-Z (default)
1: Active.
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