Samsung C8278X ユーザーズマニュアル

 

 

 

Port 0 Pull-up Control Register (P0PUR)

E6H, Set 1, Bank 0, R/W

.7

.6

.5

.4

.3

.2

.1

.0

MSB

LSB

P0PUR bit configuration settings:

0

1

Enable pull-up resistor

Disable pull-up resistor

P0.3

P0.2

P0.1

P0.0

P0.7

P0.6

P0.5

P0.4

NOTE: A pull-up resistor of port 0 is automatically disabled when the

corresponding pin is selected as push-pull output or alternative
function.

 

External Interrupt Control Register, Low Byte (EXTICONL)

E9H, Set 1, Bank 0, R/W

.7

.6

.5

.4

.3

.2

.1

.0

MSB

LSB

P1.3/INT3

EXTICONL bit configuration settings:

00

01

Enable interrupt by falling edge

Disable interrupt

10

11

Enable interrupt by both falling and rising edge

Enable interrupt by rising edge

P0.2/INT2

P0.1/INT1

P0.0/INT0