L6460 datasheet(105/139 Pages) STMICROELECTRONICS

Teilenummer	L6460

Bauteilbeschribung	SPI configurable stepper and DC multi motor driver

PDF	139 Pages

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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105 / 139 page

L6460

GPIO pins

Doc ID 17713 Rev 1

105/139

22.4

GPIO[3]

The GPIO[3] truth table is (for the abbreviation list please refer to Table 40).

Table 44.

GPIO[3] truth table

State at

StartUp

GPIO[3] SPI BITS

Function

Note

GpioOut

Enable [3]

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[3] is enabled as output:

a) the GPIO[3] 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[3] pin can be always used as a digital input so its value can be always read through SPI

interface (SPI_IN function);

the GPIO[3] pin is an open drain output.

AuxPwm1

(1)

AuxPwm2

(1)

AuxPwm2

(1)

SPI OUT inverted

(1)

AuxPwm1 inverted

(1)

AuxPwm2 inverted

(1)

AuxPwm3 inverted

(1)

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