參數(shù)資料
型號(hào): AK4702EQ
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 2ch DAC with AV SCART switch
中文描述: 2聲道DAC,具有影音SCART開關(guān)
文件頁數(shù): 32/39頁
文件大?。?/td> 481K
代理商: AK4702EQ
ASAHI KASEI
[AK4702EQ]
MS0424-E-00
2005/09
- 32 -
Addr
Register Name
D7
D6
D5
D4
D3
D2
D1
D0
08H
SB/FB Monitor
R/W
default
0
0
0
0
0
FVCR
SVCR1
SVCR0
READ
0
0
0
0
0
0
0
0
SVCR1-0: VCR Slow blanking status monitor
Those bits reflect the voltage at VCRSB pin for both Input/Output modes
SVCR1-0 do not work correctly when VP<11.4V
SVCR1
0
0
1
1
Table 21. VCR Slow Blanking monitor
FVCR: VCR Fast blanking input level monitor
This bit is enabled when TVFB bit = “1”.
FVCR
SVCR0
0
1
0
1
VCRSB Level
< 2V
4.5 to 7V
(Reserved)
9.5<
VCRFB Input Level
<0.4V
1 V<
0
1
Table 22. VCR Fast Blanking monitor (Typical threshold is 0.7V)
Changes to the 08H status can be monitored via the INT pin. The INT pin is the open drain output and goes “L” for
2usec(typ.) when the status of 08H is changed. This pin should be connected to VD (typ. 5V) through 10kohm resister.
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