TDA7529 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

TDA7529

RF front-end for AM/FM DSP car-radio with IF sampling

STMicroelectronics 

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Registers description

TDA7529

6.1.3 GPIO mode (2)

Table 28. GPIO mode (2)

MSB

LSB

D7 D6 D5 D4 D3 D2 D1 D0

Function

GPIO1 input / output

0 Analog input to AD converter

1 digital output

GPIO2 input / output

0

Analog input to AD converter

1

Digital output

CP Current Switch

0

Automatic switch disabled

1

Automatic switch enabled

GPIO4 input / output

0

Analog Input

1

digital output

GPIO5 input / output

0

digital input

1

output (analog or digital)

0

1

0

1

GPIO6 input / output

digital input (or MISO output in SPI mode)

digital output (or MISO output in SPI mode)

GPIO7 input / output

FM AGC voltage output

Digital output

GPIO8 input / output

0

AM AGC voltage output

1

Digital output

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