Samsung 8-Bit CMOS Microcontroller user manual P3EDGE -Port 3 Interrupt Edge Selection Register

S3C9228/P9228CONTROL REGISTERS

P3EDGE –Port 3 Interrupt Edge Selection Register F8H

Bit Identifier

RESET Value

Read/Write

.7-.4

.1

.0

.7	.6	.5	.4	.3	.2	.1	.0
–	–	–	–	–	–	0	0
–	–	–	–	–	–	R/W	R/W

Not used for S3C9228/P9228

P3.1's Interrupt State Setting Bit

0Falling edge interrupt

1Rising edge interrupt

P3.0's Interrupt State Setting Bit

0Falling edge interrupt

1Rising edge interrupt

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