ST72P623 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72P623

LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, FLASH OR ROM MEMORY, LVD, WDG, 10-BIT ADC, 2 TIMERS, SCI, SPI

STMicroelectronics 

ST7262xxx

I/O PORTS (Cont’d)

9.2.6 Port B

Table 10. Port B Description

PORT B

Input*

I/O

Output

Alternate Function

Signal

Condition

PB0

floating

push-pull (high sink) MCO (Main Clock Output) MCO = 1 (MISCR)

PB1

floating

push-pull (high sink) RDI

SCI enabled

PB2

floating

) PB3

floating

t(s PB4

floating

roduc PB5

floating

te P PB6

floating

sole PB7

- Ob *Reset State

floating

push-pull (high sink) TDO

TE = 1 (SCICR2)

push-pull (high sink) ARTCLK

EXCL = 1 (ARTCSR)

ARTIC1

ART Timer enabled

push-pull (high sink)

IT5 Schmitt triggered input IT5E = 1 (ITRFRE1)

ARTIC2

ART Timer enabled

push-pull (high sink)

IT6 Schmitt triggered input IT6E = 1 (ITRFRE1)

PWM1

OE0 = 1 (PWMCR)

push-pull (high sink)

IT7 Schmitt triggered input IT7E = 1 (ITRFRE1)

PWM2

OE1 = 1 (PWMCR)

push-pull (high sink)

IT8 Schmitt triggered input IT8E = 1 (ITRFRE1)

t(s) Figure 27. Port B and Port C [7:2] Configuration

uc ALTERNATE 1

rod OUTPUT

P0

ALTERNATE ENABLE

VDD

P-BUFFER

leteDR

o LATCH

bs DDR

O LATCH

ALTERNATE ENABLE

PULL-UP*

VDD

PAD

DDR SEL

DR SEL

1

ALTERNATE INPUT

0

N-BUFFER

ALTERNATE ENABLE

VSS

CMOS SCHMITT TRIGGER

DIODES

* PULL-UP ON PORT C [7:2] ONLY

Doc ID 6996 Rev 5

35/139

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