ST72344S2 datasheet(79/247 Pages) STMICROELECTRONICS

部品番号	ST72344S2

部品情報	SCI asynchronous serial interface

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メーカー	STMICROELECTRONICS [STMicroelectronics]

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79 / 247 page

ST72344xx, ST2345xx

I/O ports

Doc ID 12321 Rev 6

79/247

10.5.1

I/O port implementation

The I/O port register configurations are summarized as follows.

Standard ports: PA[5:4], PC[7:0], PD[5:0], PE0, PF[7:6], PF4

Interrupt ports: PB4, PB[2:0], PF[1:0] (with pull-up)

PA3, PE1, PB3, PF2 (without pull-up)

True open-drain ports: PA[7:6], PD[7:6]

Table 31.

I/O port register configurations (standard ports)

Mode

DDR

floating input

pull-up input

open drain output

push-pull output

Table 32.

I/O port register configurations (interrupt ports with pull-up)

Mode

DDR

floating input

pull-up interrupt input

open drain output

push-pull output

Table 33.

I/O port register configurations (interrupt ports without pull-up)

Mode

DDR

floating input

floating interrupt input

open drain output

push-pull output

Table 34.

I/O port register configurations (true open drain ports)

Mode

DDR

floating input

open drain (high sink ports)

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