參數(shù)資料
型號: 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): 33/57頁
文件大?。?/td> 259K
代理商: TDA8754HL/27/C1
TDA8754_7
NXP B.V. 2007. All rights reserved.
Product data sheet
Rev. 07 — 3 May 2007
39 of 57
NXP Semiconductors
TDA8754
Triple 8-bit video ADC up to 270 Msample/s
9.25 Activity detection 1 register
Table 67.
SIGN - sign register (read register 1) bit allocation
Bit
7
6
5
4
3
2
1
0
Symbol
-
POLVS2
POLVS1
POLCHS2
POLCHS1
POLHS2
POLHS1
Reset
X
000000
Access
RRRRRRRR
Table 68.
SIGN - sign register (read register 1) bit description
Bit
Symbol
Description
7 to 6
-
not used
5
POLVS2
sign of VSYNC2 input
0 = non inverted
1 = inverted
4
POLVS1
sign of VSYNC1 input
0 = non inverted
1 = inverted
3
POLCHS2
sign of CHSYNC2 input
0 = non inverted
1 = inverted
2
POLCHS1
sign of CHSYNC1 input
0 = non inverted
1 = inverted
1
POLHS2
sign of HSYNC2 input
0 = non inverted
1 = inverted
0
POLHS1
sign of HSYNC1 input
0 = non inverted
1 = inverted
Table 69.
ACTIVITY1 - activity detection 1 register (read register 2) bit allocation
Bit
7
6
5
4
3
2
1
0
Symbol
ACVS2
ACVS1
ACSOG2
ACSOG1
ACCHS2
ACCHS1
ACHS2
ACHS1
Reset
00000000
Access
RRRRRRRR
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