ST7MC2S4-Auto datasheet(81/371 Pages) STMICROELECTRONICS

81 / 371 page

Obsolete

Product(s)

- Obsolete

Product(s)

ST7MC1K2-Auto, ST7MC1K6-Auto, ST7MC2S4-Auto, ST7MC2S6-Auto

I/O ports

81/371

Caution:

The alternate function must not be activated as long as the pin is configured as input with

interrupt, in order to avoid generating spurious interrupts.

Table 26.

I/O port configurations

Hardware configuration

When the I/O port is in input configuration and the associated alternate function is enabled as an output, reading the DR

When the I/O port is in output configuration and the associated alternate function is enabled as an input, the alternate

function reads the pin status given by the DR register content.

Pad

VDD

RPU

Not implemented in

true open drain

I/O ports

Pull-up condition

DR register access

Data bus

Alternate input

External interrupt source (eix)

Interrupt condition

Analog input

R/W

Not implemented in

true open drain

I/O ports

Pad

VDD

RPU

DR register access

Data bus

Alternate output

Alternate enable

Not implemented in

true open drain

I/O ports

Pad

VDD

RPU

DR register access

R/W

Data bus

Alternate output

Alternate enable

Obsolete

Product(s)

- Obsolete

Product(s)

ST7MC2S4-Auto Datasheet(PDF) 81 Page - STMicroelectronics

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