L6460 datasheet(99/139 Pages) STMICROELECTRONICS

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L6460

GPIO pins

Doc ID 17713 Rev 1

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22.1

GPIO[0]

The GPIO[0] truth table is (for the abbreviation list please refer to Table 40).

Table 41.

GPIO[0] truth table

State at

StartUp

GPIO[0] SPI BITS

Function

Note

GpioOut

Enable [0]

Mode[2]

Mode[1]

Mode[0]

Detection of StartUp config

See

Chapter 8

HiZ (SPI_IN)

SPI OUT

(1)

In all configurations in which GPIO[0] is enabled as output:

a) the GPIO[0] pin can be always used as an analog input to the ADC system (ADC function) by writing its

address in the A2DChannelX[4:0] in the A2DConfigX register and starting a conversion;

b) the GPIO[0] pin can be always used as a digital input so its value can be always read through SPI

interface (SPI_IN function);

the GPIO[0] pin is an open drain output.

InterruptCtrl

(1)

AuxPwm1

(1)

AuxPwm2

(1)

SPI OUT inverted

(1)

InterruptCtrl inverted

(1)

AuxPwm1 inverted

(1)

AuxPwm2 inverted

(1)

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