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參數(shù)資料
| 型號： | TDA7402 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | CARRADIO SIGNAL PROCESSOR |
| 中文描述： | CARRADIO信號處理器 |
| 文件頁數(shù)： | 40/59頁 |
| 文件大小： | 512K |
| 代理商： | TDA7402 |
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TDA7402
40/59
9.0 I
C BUS INTERFACE
9.1 Interface Protocol
I
The interface protocol comprises:
I
a start condition (S)
I
a chip address byte (the LSB bit determines read / write transmission)
I
a subaddress byte
I
a sequence of data (N-bytes + acknowledge)
I
a stop condition (P)
S = Start
R/W = ”0” -> Receive-Mode (Chip could be programmed by
μ
P)
”1” -> Transmission-Mode (Data could be received by
μ
P)
ACK = Acknowledge
P = Stop
MAX CLOCK SPEED 500kbits/s
9.2 Auto increment
If bit I in the subaddress byte is set to ”1”, the autoincrement of the subaddress is enabled.
9.3 TRANSMITTED DATA (send mode)
SM = Soft mute activated
ST = Stereo
P = Pause
X = Not Used
The transmitted data isautomatically updated after each ACK.
Transmission can be repeated without new chipaddress.
9.4 Reset Condition
A Power-On-Reset is invoked if the Supply-Voltage is below than 3.5V. After that the following data is written
automatically into the registers of all subaddresses :
The programming after POR is marked bold-face / underlined in the programming tables.
With this programming all the outputs are muted to V
REF
(V
OUT
= V
DD
/2).
CHIP ADDRESS
SUBADDRESS
DATA 1....DATA n
MSB
LSB
MSB
LSB
MSB
LSB
S
1
0
0
0
1
1
0
R/W
ACK
C
AZ
I
A
A
A
A
A
ACK
DATA
ACK P
MSB
LSB
X
X
X
X
X
P
ST
SM
MSB
LSB
1
1
1
1
1
1
1
0
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| TDA7403 | BASIC SIGNAL PROCESSOR |
| TDA7403D | BASIC SIGNAL PROCESSOR |
| TDA7404 | CARRADIO-SIGNAL-PROCESSOR |
| TDA7404D | CARRADIO-SIGNAL-PROCESSOR |
| TDA7405 | EQUALIZER CARRADIO SIGNAL PROCESSOR |
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| TDA7402_07 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Car radio signal processor |
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| TDA7403 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:BASIC SIGNAL PROCESSOR |
| TDA7403_02 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:BASIC SIGNAL PROCESSOR |
| TDA7403D | 功能描述:音頻 DSP Basic Signal Process RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
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