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TDA7705TR 데이터시트(PDF) 22 Page - STMicroelectronics

부품명 TDA7705TR
상세설명  Highly integrated tuner for AM/FM car radio
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제조업체  STMICROELECTRONICS [STMicroelectronics]
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TDA7705TR 데이터시트(HTML) 22 Page - STMicroelectronics

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Electrical specifications
TDA7705
22/42
Doc ID 15938 Rev 9
3.4.10
SPI interface
The following parameters apply to the serial bus communication when SPI protocol has
been selected at start-up. For the other electrical characteristics of the pins, Section 3.4.8
applies.
Figure 9.
SPI bus timing diagram
3.4.11
Warning
When the TDA7705 is not powered on, the internal ESD protection diodes pull-down keep
the I2C/SPI lines connected to ground. This implies that the I2C/SPI bus connected to the
TDA7705 may not be used to drive other devices when the TDA7705 is powered off.
Table 16.
SPI interface
Symbol
Parameter
Min
Max
Unit
fSCK
Clock frequency
-
4.0
MHz
tSU
Data setup time
25
-
ns
tH
Data hold time
25
-
ns
tWH
SCK high time
50
-
ns
tWL
SCK low time
50
-
ns
tRI
Input rise time
-
2
µs
tFI
Input fall time
-
2
µs
tV
Output valid from clock low
-
50
ns
tHO
Output hold time
25
-
ns
tDIS
Output disable time
25
ns
tCS
CS high time
25
-
ns
tCSS
CS setup time
25
-
ns
tCSH
CS hold time
25
-
ns
VALID IN
VIH
VIL
tCSS
VIH
VIL
VIH
VIL
VOH
VOL
HI-Z
tSU
tH
tWH
tWL
tV
tCS
tCSH
tHO
tDIS
HI-Z
SPI_SS
SPI_CLK
SPI_MOSI
SPI_MISO
tRI
tFI



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