參數(shù)資料
型號: TDA7348D
廠商: 意法半導(dǎo)體
英文描述: DIGITALLY CONTROLLED AUDIO PROCESSOR
中文描述: 數(shù)控音頻處理器
文件頁數(shù): 7/14頁
文件大?。?/td> 193K
代理商: TDA7348D
MSB
X
LSB
A0
0
1
0
1
0
1
0
1
0
FUNCTION
X
X
I
A3
0
0
0
0
0
0
0
0
1
A2
0
0
0
0
1
1
1
1
0
A1
0
0
1
1
0
0
1
1
0
Input Selector
Volume 2
Volume 1
Bass, Treble
Speaker Attenuator LF
Speaker Attenuator LR
Speaker Attenuator RF
Speaker Attenuator RR
Mute
AUTO INCREMENT
If bit I inthe subaddressbyte is set to ”1”, the autoincrementof the subaddressis enabled
SUBADDRESS
(receive mode)
CHIP ADDRESS
SUBADDRESS
DATA 1 to DATA n
MSB
LSB
MSB
LSB
MSB
LSB
S
1
0
0
0
1
0
0
R/W
ACK
X
X
X
I
A3 A2 A1 A0
ACK
DATA
ACK
P
ACK = Acknowledge
S = Start
P = Stop
I = Auto Increment
X = Not used
MAX CLOCK SPEED500kbits/s
TRANSMITTED DATA
SendMode
MSB
X
LSB
X
X
X
X
X
SM
ZM
ZM = Zerocrossing muted (HIGHactive)
SM = Soft mute activated (HIGH active)
X = Not used
The transmitted data is automaticallyupdated after each ACK.
Transmissioncan be repeatedwithout newchipaddress.
SOFTWARE SPECIFICATION
Interface Protocol
The interface protocol comprises:
A startcondition (s)
A chip address byte,(the LSB bit determines
read/writetransmission)
A subaddressbyte.
A sequenceof data(N-bytes + acknowledge)
A stop condition (P)
TDA7348
7/14
相關(guān)PDF資料
PDF描述
TDA7348 Digitally Controlled Audio Processor(數(shù)控音頻處理器)
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