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參數(shù)資料
| 型號(hào)： | AK4708EQ |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | AV SCART Switch with Two RGB Outputs |
| 中文描述： | 影音SCART開(kāi)關(guān)與兩個(gè)RGB輸出 |
| 文件頁(yè)數(shù)： | 33/46頁(yè) |
| 文件大?。?/td> | 504K |
| 代理商： | AK4708EQ |
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[AK4708]
MS0618-E-00
2007/04
- 33 -
■
Register Map
Addr
Register Name
00H
Control
01H
Switch
02H
Main Volume
03H
Zerocross
04H
Video switch
05H
Video output enable
06H
Video volume/clamp
07H
S/F Blanking control
08H
S/F Blanking monitor
09H
Monitor mask
0AH
DC restore
0BH
Reserve
0CH
VCR output
0DH
Volume
When the PDN pin goes “L”, the registers are initialized to their default values.
While the PDN pin = “H”, all registers can be accessed.
Do not write any data to the register over 0DH.
■
Register Definitions
Addr
Register Name
D7
00H
Control
0
R/W
Default
0
STBY: Standby control
0: Normal Operation
1: Standby Mode (default). All registers are not initialized.
AMP: Powered down and timings are reset.
Source of TVOUT: fixed to VCRIN.
Source of VCROUT: fixed to TVIN.
Source of MONOOUT: fixed to VCRIN.
Source of TVVOUT: fixed to VCRVIN (or Hi-Z).
Source of TVRC: fixed to VCRRC (or Hi-Z).
Source of TVG: fixed to VCRG (or Hi-Z).
Source of TVB: fixed to VCRB (or Hi-Z).
Source of VCRVOUT: fixed to TVVIN (or Hi-Z).
Source of VCRC: fixed to Hi-Z.
Source of VCRGO: fixed to Hi-Z.
Source of VCRBO: fixed to Hi-Z.
BIAS: Audio output control
0: Normal operation
1: ALL Audio outputs to GND (default)
AUTO: Auto startup bit
0: Auto startup disable (Manual startup).
1: Auto startup enable (default).
Note: When the SBIO1 bit = “1”(default = “0”), the change of AUTO bit may cause a “L” pulse on INT pin.
D7
0
D6
0
0
0
D5
0
VCR1
L5
1
VVCR2
VCRC
VCLP0
SBV1
FVCR1
0
0
0
0
VOL2
D4
0
VCR0
L4
0
VVCR1
VCRV
CLAMP2
SBV0
TVMON
MTV
0
0
0
VOL1
D3
D2
0
1
L2
MOD
VTV2
TVG
CLAMP0
SBT0
FVCR0
MFVCR
0
0
VCRFB
1
D1
BIAS
TV1
L1
MDT1
VTV1
TVR
0
FB1
SVCR1
MSVCR
1
0
VCRB
1
D0
STBY
TV0
L0
MDT0
VTV0
TVV
0
FB0
SVCR0
0
1
0
VCRG
1
AUTO
MONO
L3
0
VVCR0
TVB
CLAMP1
SBT1
VCMON
MVC
VCLP2
0
0
VOL0
VMUTE
0
0
0
CIO
CLAMPB
SBIO1
0
MCOMN
0
0
FVB
0
VMONO
0
TVFB
VCLP1
SBIO0
0
0
0
0
0
0
D6
0
D5
0
D4
0
D3
D2
0
D1
BIAS
D0
STBY
AUTO
R/W
0
0
0
1
0
1
1
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