L6460 datasheet(111/139 Pages) STMICROELECTRONICS

111 / 139 page

L6460

GPIO pins

Doc ID 17713 Rev 1

111/139

22.7

GPIO[6]

The GPIO[6] truth table is (for the abbreviation list please refer to Table 40):

Table 47.

GPIO[6] truth table

StdByMode

AEnLow

VSw[1]

GPIO[6] SPI BITS

Function

Note

GpioOut

enable[6]

Mode[2] Mode[1] Mode[0]

Low Volt. Pow. Sw. 1

(1)

When EnLowVSw[1]= ‘1’ the GpioOutEnable[6] bit is forced to 0.

HiZ (SPI_IN)

SPI OUT

(2)

In all configurations in which GPIO[6] is enabled as output:

a) the GPIO[6] 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[6] pin can be always used as a digital input so its value can be always read through SPI

interface (SPI_IN function);

the GPIO[6] pin is a rail to rail output supplied by VGPIO_SPI.

A2DGpo

(2)

AuxPwm2

(2)

Comp2OUT

(2)

A2DGpo inverted

(2)

AuxGpPwm2 inverted

(2)

Comp2OUT inverted

(2)

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