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(yè)數(shù): 37/44頁(yè)
文件大?。?/td> 440K
代理商: AK4704
ASAHI KASEI
AKM CONFIDENTIAL
[AK4704]
Rev. 0.5
2004/1
- 37 -
Addr
Register Name
D7
D6
D5
D4
D3
D2
D1
D0
06H
Video volume
R/W
default
0
VCLP1
VCLP0
YC
CLAMP1
CLAMP0
VVOL1
VVOL0
R/W
0
0
0
0
0
1
0
0
VVOL1-0: RGB video gain control
00: +6dB (default)
01: +7.2dB
10: +8.2dB
11: +9.1dB
CLAMP1 : Encoder R/Chroma (ENCRC pin) input clamp control
0 : DC restore clamp active (for RED signal. default)
1 : Biased (for Chroma signal.)
CLAMP0 : VCR R/C (VCRC pin) input clamp control
0 : DC restore clamp active (for RED signal)
1 : Biased (for Chroma signal. default.)
YC : Y/C mixing output control for RFV pin
0 : Follow VRF1-0 bits (default)
1 : Y/C mixing from TVVOUT and TVRC.
VCLP1-0 : DC restore source control
00: ENCV pin (default)
01: ENCY pin
10: VCRVIN pin
11: (Reserved)
When the AUTO bit = “1”, the source is fixed to VCRVIN pin.
Addr
Register Name
D7
D6
D5
D4
D3
D2
D1
D0
07H
S/F Blanking
R/W
default
SBIO1
SBIO0
SBV1
SBV0
SBT1
SBT0
FB1
FB0
R/W
0
0
0
0
0
0
0
0
FB1-0: TV Fast Blanking output control (for TVFB pin)
00: 0V (default)
01: 4V
10: follow VCR FB input (4V/0V)
11: (Reserved)
SBT1-0: TV Slow Blanking output control (for TVSB pin. minimum load is 10kohm.)
00: <2V (default)
01: 5V<, <7V
10: (Reserved)
11: 10V<
SBV1-0: VCR Slow Blanking output control (for VCRSB pin. minimum load is 10kohm)
00: <2V (default)
01: 5V<, <7V
10: (Reserved)
11: 10V<
SBIO1-0: TV/VCR Slow Blanking I/O control (please refer the Table 21)
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