參數(shù)資料
型號: TDA7529
廠商: 意法半導體
英文描述: RF front-end for AM/FM DSP car-radio with IF sampling
中文描述: RF前端的調(diào)幅/調(diào)頻DSP的汽車無線電IF采樣
文件頁數(shù): 18/60頁
文件大小: 437K
代理商: TDA7529
Function description
TDA7529
18/60
Table 7.
x
= must be "0" for reading, can be "1" or "0" for writing to the TDA7529
d
= determinates the direction of data transfer, reading or writing
R / W
= indicates the address to read to and/or to write from a single TDA7529
W
= indicates those addresses that can be used to transmit equal data to several TDA7529 frontends. A
read out has no purpose for these addresses (data collision), but must be possible without damaging
the tuner IC.
The two serial bus protocols, I
2
C and SPI, are as follows:
Figure 6.
7
I
2
C (sub address mode)
Figure 7.
SPI
Data auto increment mode is always active regardless of the serial bus mode chosen.
I
2
C addresses
Tuner:
Tuner 3
Tuner 2
Tuner 1
level at pin AS
2.2V – 3.5V
1.1V – 1.7V
0.0V – 0.6V
address:
1100 1xxd
1100 x1xd
1100 xx1d
MSB ... LSB
1100 000d
1100 001d
R / W
1100 010d
R / W
1100 011d
W
W
1100 100d
R / W
1100 101d
W
W
1100 110d
W
W
1100 111d
W
W
W
1
0
7
1
0
x
7
0
7
0
R/W
SM
4th byte
data byte N+1
address
1st byte
2nd byte
subaddress N
3rd byte
data byte N
AC00043
7
1
0
7
0
7
0
7
0
SM
R/W
4th byte
data byte N+2
1st byte
subaddress N
2nd byte
3rd byte
data byte N
data byte N+1
AC00044
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