參數(shù)資料
型號(hào): AK4703
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: AV SCART switch
中文描述: 影音SCART開關(guān)
文件頁(yè)數(shù): 31/38頁(yè)
文件大?。?/td> 351K
代理商: AK4703
ASAHI KASEI
AKM CONFIDENTIAL
[AK4703]
Rev. 0.1
2004/03
- 31 -
Addr
08H
Register Name
SB/FB monitor
R/W
Default
D7
0
D6
0
D5
0
D4
D3
D2
FVCR
D1
D0
TVMON
VCMON
SVCR1
SVCR0
READ
0
0
0
0
0
0
0
0
SVCR1-0: VCR Slow blanking status monitor
SVCR1-0 bits reflect the voltage at VCRSB pin only when the VCRSB is in the input mode.
When the VCRSB is in the output mode, SVCR1-0 bits hold previous value.
VCRSB pin input level
< 2V
4.5 to 7V
(Reserved)
9.5 <
Table 19. VCR Slow Blanking monitor
SVCR1 bit
0
0
1
1
SVCR0 bit
0
1
0
1
FVCR: VCR Fast blanking input level monitor
This bit is enabled when TVFB bit = “1”.
VCRFB pin input level
< 0.4V
1V <
FVCR bit
0
1
Table 20. VCR Fast Blanking monitor (Typical threshold is 0.7V)
VCMON: VCR input monitor
0: No video signal detected via VCRVIN pin.
1: Detects video signal via VCRVIN pin.
TVMON: TV input monitor
0: No video signal detected via TVVIN pin.
1: Detects video signal via TVVIN pin.
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