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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)： | 29/46頁(yè) |
| 文件大小： | 504K |
| 代理商： | AK4708EQ |
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[AK4708]
MS0618-E-00
2007/04
- 29 -
■
INT Function and Mask Options (09H: D3-D1)
Changes of the 08H status can be monitored via the INT pin. The INT pin is the open drain output and goes “L” for 2
μ
s
(typ.) when the status of 08H is changed. This pin should be connected to VD (typ. 5V) through 10k
Ω
resistor or lower
voltage through 10k
Ω
resistor. MTV bit, MVC bit, MCOMN bit, MFVCR bit and MSVCR bit control the reflection of the
status change of these monitors onto the INT pin from report to prevent to masks each monitor.
AK4708
R=10k
INT
5V
uP
Figure 13. INT pin
MVC: VCMON Mask. Refer Table 28.
MTV: TVMON Mask. Refer Table 27.
MCOMN: Refer Table 26
AUTO
(00H D3)
0
0
0
0
1
1
Note 25. When the STBY bit = “0”, the TV Monitor Mask function is enabled.
Note 26. When AUTO bit = “1”, TVMON does not change
Table 27. TV Monitor Mask
TVMON
(08H D4)
No Change
No Change
Change
Change
No Change
No Change
MTV
(09H D4)
0
1
0
1
0
1
INT
Hi-Z
Hi-Z
Generates “L” Pulse
Hi-Z
Hi-Z
Hi-Z
AUTO
(00H D3)
0
0
0
0
1
1
1
1
VCMON
(08H D3)
No Change
No Change
Change
Change
No Change
No Change
Change
Change
MVC
(09H D3)
0
1
0
1
0
1
0
1
INT
Hi-Z
Hi-Z
Generates “L” Pulse
Hi-Z
Hi-Z
Hi-Z
Generates “L” Pulse
Generates “L” Pulse
Note 27. When the STBY bit = “0”, the VCR Monitor Mask function is enabled.
Table 28. VCR Monitor Mask
MFVCR: FVCR Monitor mask.
0: Change of FVCR is reflected to INT pin. (default)
1: Change of FVCR is NOT reflected to INT pin.
MSVCR: SVCR1-0 Monitor mask
0: Change of SVCR1-0 is reflected to INT pin. (default)
1: Change of SVCR1-0 is NOT reflected to INT pin.
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