ST72E632K2B0 查看數據表（PDF） - STMicroelectronics

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ST72E632K2B0

LOW SPEED USB 8-BIT MCU FAMILY with up to 16K MEMORY, up to 512 BYTES RAM, 8-BIT ADC, WDG, TIMER, SCI & I2C

STMicroelectronics 

ST7263

I/O PORTS (Cont’d)

5.1.6 Port C

Table 12. Port C Description

PORT C

PC0

PC1

Input*

with pull-up

with pull-up

I/O

Output

push-pull

push-pull

PC2

with pull-up

push-pull

*Reset State

Alternate Function

Signal

Condition

RDI (SCI input)

TDO (SCI output)

SCI enable

USBOE (USB output ena- USBOE =1

ble)

(MISCR)

Figure 21. Port C Configuration

ALTERNATE 1

OUTPUT

0

DR

LATCH

DDR

LATCH

DDR SEL

DR SEL

1

0

ALTERNATE INPUT

ALTERNATE ENABLE

VDD

ALTERNATE ENABLE

P-BUFFER

PULL-UP

VDD

PAD

N-BUFFER

ALTERNATE ENABLE

VSS

CMOS SCHMITT TRIGGER

DIODES

30/109

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