參數(shù)資料
型號(hào)： TDA7429T
廠商： STMICROELECTRONICS
元件分類： 音頻控制
英文描述： 2 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP44
封裝： 10 X 10 MM, 1.40 MM HEIGTH, TQFP-44
文件頁(yè)數(shù)： 3/22頁(yè)
文件大小： 237K
代理商： TDA7429T
Obsolete
Product(s)
- Obsolete
Product(s)
11/22
TDA7429
5
EXAMPLES
5.1 No Incremental Bus
The TDA7429 receives a start condition, the correct chip address, a subaddress with the MSB = 0 (no incre-
mental bus), N-datas (all these datas concern the subaddress selected), a stop condition.
Figure 12.
5.2 Incremental Bus
The TDA7429 receives a start condition, the correct chip address, a subaddress with the MSB = 1 (incremental
bus): now it is in a loop condition with an autoincrease of the subaddress whereas SUBADDRESS from
"1XXX1010" to "1XXX1111" of DATA are ignored.The DATA 1 concern thesubaddress sent, and the DATA 2
concern the subaddress sent plus one in the loop etc, and at the end it receivers the stop condition.
Figure 13.
6
DATA BYTES
Address = 80(HEX)
6.1 Function Selection
Table 6. The first byte (Subaddress)
B = 1 incremental bus; active
B = 0 no incremental bus;
X = indifferent 0,1
MSB
LSB
SUBADDRESS
D7
D6
D5
D4
D3
D2
D1
D0
B
X
0
INPUT ATTENUATION
B
X
0
1
SURROUND & OUT & EFFECT CONTROL
B
X
0
1
0
PHASE RESISTOR
B
X
0
1
BASS & NATURAL BASE
BX
XX
0
1
0
MIDDLE & TREBLE
B
X
0
1
0
1
SPEAKER ATTENUATION "L"
B
X
0
1
0
SPEAKER ATTENUATION "R"
BX
XX
0
1
AUX ATTENUATION "L"
BX
XX
1
0
AUX ATTENUATION"R"
B
X
1
0
1
INPUT MULTIPLEXER, & AUX OUT
S
1
0
A
0
ACK
DATA
ACK
P
MSB
LSB
MSB
LSB
MSB
LSB
CHIP ADDRESS
D95AU306
0
D3
SUBADDRESS
DATA
X
D2 D1 D0
S
1
0
A
0
ACK
DATA
ACK
P
MSB
LSB
MSB
LSB
MSB
LSB
CHIP ADDRESS
D95AU307
1
D3
SUBADDRESS
DATA 1 to DATA n
X
D2 D1 D0
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