參數(shù)資料
型號: AK4707EQ
廠商: ASAHI KASEI POWER DEVICES CORP
元件分類: 消費家電
英文描述: AV SCART Switch
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: 0.50 MM PITCH, LEAD FREE, PLASTIC, LQFP-48
文件頁數(shù): 23/42頁
文件大?。?/td> 418K
代理商: AK4707EQ
ASAHI KASEI
[AK4707]
MS0551-E-00
2006/10
- 23 -
4.
Blanking Control
The AK4707 supports Fast Blanking signals and Slow Blanking (Function Switching) signals for TV/VCR SCART.
Input/Output Control for Fast/Slow Blanking
FB1-0: TV Fast Blanking output control (07H: D1-D0)
FB1 bit
FB0 bit
0
0
0
1
2V<, 4V(typ) at 150
load
1
0
Same as VCR FB input (4V/0V)
1
1
Table 10. TV Fast Blanking output (Note: minimum load is 150
)
SBT1-0: TV Slow Blanking output control (07H: D3-D2)
SBT1 bit
SBT0 bit
0
0
0
1
1
0
1
1
Table 11. TV Slow Blanking output (Note: minimum load is 10k
)
SBV1-0: VCR Slow Blanking output control (07H: D5-D4)
SBV1 bit
SBV0 bit
0
0
0
1
1
0
1
1
Table 12. VCR Slow Blanking output (Note: minimum load is 10k
)
SBIO1-0: TV/VCR Slow Blanking I/O control (07H: D7-D6)
SBIO1 bit
SBIO0 bit
VCRSB pin Direction
Output
(Controlled by SBV1-0 bits)
0
1
(Reserved)
Input
(Stored in SVCR1-0 bits)
Input
(Stored in SVCR1-0 bits)
Table 13. TV/VCR Slow Blanking I/O control
TVFB pin Output Level
0V (default)
(Reserved)
TVSB pin Output Level
< 2V (default)
5V <, < 7V
(Reserved)
10V <
VCRSB pin Output Level
< 2V (default)
5V <, < 7V
(Reserved)
10V <
TVSB pin Direction
Output
(Controlled by SBT1-0 bits)
(Reserved)
Output
(Controlled by SBT1-0 bits)
Output
(Same output as VCR SB)
0
0
(default)
1
0
1
1
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