TDA7529_11 Datasheet, PDF (39/61 Pages) STMicroelectronics – RF front-end for AM/FM DSP car-radio with IF sampling

TDA7529
Registers description
6.1.3 GPIO mode (2)
Table 29. 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)
GPIO6 input / output
-
-
0
-
-
-
-
- digital input (or MISO output in SPI mode)
1
digital output (or MISO output in SPI mode)
GPIO7 input / output
-
0
-
-
-
-
-
- FM AGC voltage output
1
Digital output
GPIO8 input / output
0
-
-
-
-
-
-
- AM AGC voltage output
1
Digital output
Doc ID 13311 Rev 4
39/61