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參數資料
| 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： | 11/57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
19 of 57
NXP Semiconductors
TDA8754
Triple 8-bit video ADC up to 270 Msample/s
9.1.2 Write all registers
All registers are programmed one after the other, by giving this initial condition
(XX11 1111) as the subaddress state; thus, the registers are charged following the
predened sequence of 32 bytes (from subaddress 0 0000 to 1 1111).
Table 8.
Write format bit description
Bit
Symbol
Description
Byte 1
7 to 1
A[6:0]
Device address; the TDA8754 address is 1001 10X; bit A0 relates
with the voltage level on pin A0
0R/W
Write command bit; if R/W = 0, then write action
Byte 2
7 to 6
-
not used
5
MODE
Mode selection bit; if MODE = 0, then each register can be written
independently
4 to 0
SA[4:0]
Register subaddress; subaddress of the selected register (from
0 0000 to 1 1111)
Byte 3
7 to 0
D[7:0]
Data 1; this value is written in the selected register
Table 9.
I2C-bus sequence for writing all registers
SDA line
Description
S
master starts with a start condition
Byte 1
master transmits device address (7 bits) plus write command bit (R/W=0)
A
slave generates an acknowledge
Byte 2
master transmits programming mode and register subaddress to write to
A
slave generates an acknowledge
Byte 3
master transmits data 1
A
slave generates an acknowledge
::
Byte 34
master transmits data 32
A
slave generates an acknowledge
P
master generates a stop condition
Table 10.
Byte format for writing all registers
Bits
7
6
5
4
3
2
1
0
Byte 1
device address
R/W
A5
A4
A3
A2
A1
A0
-
100110
X
Byte 2
programming mode
register subaddress
-
MODE
SA4
SA3
SA2
SA1
SA0
X
011111
Byte (2 + n)
data n
D7
D6
D5
D4
D3
D2
D1
D0
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相關代理商/技術參數 |
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| TDA8755 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:YUV 8-bit video low-power analog-to-digital interface |
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| TDA8757HL | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Triple 8-bit ADC 170 Msps |
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