參數(shù)資料
型號(hào)： AK4704
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)： 25/44頁
文件大?。?/td> 440K
代理商： AK4704
ASAHI KASEI
AKM CONFIDENTIAL
[AK4704]
Rev. 0.5
2004/1
- 25 -
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 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.
Red/Chroma Bi-directional Control for VCR SCART (05H: D7, D5)
The 4704 supports the bi-directional Red/Chroma signal on the VCR SCART.
(CIO bit &
VCRC bit)
(AK4704)
VCRRC
pin
VCRC
pin
VCR SCART
75
0.1u
#15 pin
Figure 8. Red/Chroma Bi-directional Control
CIO
0
0
1
1
VCRC
0
1
0
1
State of VCRC pin
Hi-z (default)
Active
Connected to GND
Connected to GND
Table 15 Red/Chroma Bi-directional Control
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