ST72F324K2TATXS View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72F324K2TATXS

8-bit MCU for automotive, 3.8 to 5.5V operating range with 8 to 32 Kbyte Flash, 10-bit ADC, 4 timers, SPI, SCI

STMicroelectronics 

I/O ports

ST72324xx-Auto

Table 29. I/O port configurations

Mode

Hardware configuration

Not implemented in

true open drain

I/O ports

Pad

VDD

RPU

Pull-up

condition

DR register access

DR

W

register

R

Data bus

Alternate input

External interrupt

source (eix)

uct(s) Not implemented in

true open drain

d I/O ports

Pro Pad

VDD

RPU

Interrupt

condition

Analog input

DR register access

DR

register

R/W

Data bus

Obsolete Not implemented in

- true open drain

) I/O ports

ct(s Pad

VDD

RPU

Alternate

enable

Alternate

output

DR register access

DR

register

R/W

Data bus

rodu Alternate

P enable

Alternate

output

te1. When the I/O port is in input configuration and the associated alternate function is enabled as an output,

le reading the DR register will read the alternate function output status.

o 2. When the I/O port is in output configuration and the associated alternate function is enabled as an input,

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

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.

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Doc ID 13841 Rev 1

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