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參數(shù)資料
| 型號(hào)： | TDA8754HL/27/C1 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | ADC |
| 英文描述： | 3-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP144 |
| 封裝： | 20 X 20 MM, 1.40 MM HEIGHT, LEAD FREE, PLASTIC, MS-026, SOT486-1, LQFP-144 |
| 文件頁數(shù)： | 35/57頁 |
| 文件大?。?/td> | 259K |
| 代理商： | TDA8754HL/27/C1 |
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TDA8754_7
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 07 — 3 May 2007
40 of 57
NXP Semiconductors
TDA8754
Triple 8-bit video ADC up to 270 Msample/s
9.26 Activity detection register 2
Remark: It should be noted that activity, sign and polarity detection will be correctly set
after a maximum delay of: 6 frame periods + 50 ms.
Table 70.
ACTIVITY1 - activity detection 1 register (read register 2) bit description
Bit
Symbol
Description
7
ACVS2
activity of VSYNC2 input
0 = not active
1 = active
6
ACVS1
activity of VSYNC1 input
0 = not active
1 = active
5
ACSOG2
activity of SOGIN2 input
0 = not active
1 = active
4
ACSOG1
activity of SOGIN1 input
0 = not active
1 = active
3
ACCHS2
activity of CHSYNC2 input
0 = not active
1 = active
2
ACCHS1
activity of CHSYNC1 input
0 = not active
1 = active
1
ACHS2
activity of HSYNC2 input
0 = not active
1 = active
0
ACHS1
activity of HSYNC2 input
0 = not active
1 = active
Table 71.
ACTIVITY2 - activity detection 2 register (read register 3) bit allocation
Bit
7
6
5
4
3
2
1
0
Symbol
-
ASD
3LEVEL
ACFIELD
HPDO
ACVSSEP
ACRXC1
ACRXC0
Reset
X
0000000
Access
RRRRRRRR
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