ST72621L4M1(2002) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72621L4M1
(Rev.:2002)

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

STMicroelectronics 

ST7262

I/O PORTS (Cont’d)

9.2.8 Port D

Table 12. Port D Description

PORT D

PD0

PD1

PD2

PD3

PD4

PD5

PD6

*Reset State

Input*

with pull-up

with pull-up

with pull-up

with pull-up

with pull-up

with pull-up

with pull-up

I/O

Output

push-pull

push-pull

push-pull

push-pull

push-pull

push-pull

push-pull

Alternate Function

Signal

Condition

Figure 29. Port D 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

36/133

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