ST62T08BN3/SWD Просмотр технического описания (PDF) - STMicroelectronics

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ST62T08BN3/SWD

8-BIT MCUs WITH A/D CONVERTER, TWO TIMERS, OSCILLATOR SAFEGUARD & SAFE RESET

STMicroelectronics 

ST6208C/ST6209C/ST6210C/ST6220C

I/O PORTS (Cont’d)

Figure 23. I/O Port Block Diagram

RESET

DATA

DIRECTION

REG ISTE R

ST6

INTERNAL

BUS

DATA

REG ISTE R

OPTION

REG ISTE R

PULL-UP

VDD

VDD

VDD

Pxx I/O Pin

N-BUFFER

P-BUFFER

CLAMPING

DIODES

TO INTERRUPT

*

TO ADC

* Depending on device. See device summary on page 1.

CMOS

SCHMITT

T RIGG ER

Table 9. I/O Port Configurations

DDR

OR

0

0

0

0

0

1

0

1

1

0

1

1

DR

Mode

0

Input

1

Input

0

Input

1

Input

x

Output

x

Output

Note: x = Don’t care

Optio n

With pull-up, no interrupt

No pull-up, no interrupt

With pull-up and with interrupt

Analog input (when available)

Open-drain output (20mA sink when available)

Push-pull output (20mA sink when available)

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