ST6225LN6/CCC 查看數據表（PDF） - STMicroelectronics

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ST6225LN6/CCC

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

STMicroelectronics 

ST6215C/ST6225C

I/O PORTS (Cont’d)

Table 9. I/O Port Option Selections

MODE

AVAILABLE

ON(1)

Input

DDRx ORx

0

0

DRx

1

PA0-PA7

PB0-PB7

PC4-PC7

Reset state

Input

with pull up

DDRx ORx

0

0

DRx

0

PA0-PA7

PB0-PB7

PC4-PC7

Input

with pull up

with interrupt

DDRx ORx

0

1

DRx

0

PA0-PA7

PB0-PB7

PC4-PC7

VDD

SCHEMATIC

VDD

VDD

VDD

VDD

VDD

Data in

Interrupt

Data in

Interrupt

Data in

Interrupt

Analog Input

DDRx ORx

0

1

DRx

1

PA4-PA7

PB0-PB7

PC4-PC7

Open drain output (5mA) PA4-PA7

PB0-PB7

PC4-PC7

VDD

VDD

ADC

P-buffer disconnected

Open drain output (20 mA) PA0-PA3

DDRx ORx

1

0

DRx

0/1

Push-pull output (5mA)

PA4-PA7

PB0-PB7

PC4-PC7

VDD

Data out

Push-pull output (20 mA) PA0-PA3

DDRx ORx

1

1

DRx

0/1

Note 1. Provided the correct configuration has been selected (see Table 8).

Data out

41/105

1

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