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)

9.2.5 Port A

Table 9. Port A Description

PORT A

Input*

I/O

Output

Alternate Function

Signal

Condition

USBOE

USBOE = 1 (MISC)

PA0

floating

push-pull

IT1 Schmitt triggered input IT1E = 1 (ITRFRE1)

AIN0 (ADC)

CS[2:0] = 000 (ADCCSR)

PA1

floating

t(s) PA2

floating

duc PA3

Pro PA4

te PA5

le PA6

o PA7

bs *Reset State

floating

floating

floating

floating

floating

push-pull

push-pull

push-pull

push-pull

push-pull

push-pull

push-pull

IT2 Schmitt triggered input

AIN1 (ADC)

IT3 Schmitt triggered input

AIN2 (ADC)

IT4 Schmitt triggered input

AIN3 (ADC)

AIN4 (ADC)

AIN5 (ADC)

AIN6 (ADC)

AIN7 (ADC)

IT2E = 1 (ITRFRE1)

CS[2:0] = 001 (ADCCSR)

IT3E = 1 (ITRFRE1)

CS[2:0] = 010 (ADCCSR)

IT4E = 1 (ITRFRE1)

CS[2:0] = 011 (ADCCSR)

CS[2:0] = 100 (ADCCSR)

CS[2:0] = 101 (ADCCSR)

CS[2:0] = 110 (ADCCSR)

CS[2:0] = 111 (ADCCSR)

) - O Figure 26. PA[7:0] Configuration

t(s ALTERNATE ENABLE

uc ALTERNATE 1

d OUTPUT

0

ro DR

te P LATCH

ALTERNATE ENABLE

leDDR

Obso LATCH

ANALOG ENABLE

(ADC)

VDD

VDD

P-BUFFER

PAD

DDR SEL

ANALOG

SWITCH

N-BUFFER

DIODES

DR SEL

1

ALTERNATE ENABLE

DIGITAL ENABLE

0

VSS

ALTERNATE INPUT

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Doc ID 6996 Rev 5

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