Samsung 8-Bit CMOS Microcontroller user manual P0EDGE -Port 0 Interrupt Edge Selection Register

S3C9228/P9228CONTROL REGISTERS

P0EDGE –Port 0 Interrupt Edge Selection Register EEH

Bit Identifier

RESET Value

Read/Write

.7-.4

.3

.2

.1

.0

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

Not used for S3C9228/P9228

P0.3's Interrupt Edge Setting Bit

0Falling edge interrupt

1Rising edge interrupt

P0.2's Interrupt State Setting Bit

0Falling edge interrupt

1Rising edge interrupt

P0.1's Interrupt State Setting Bit

0Falling edge interrupt

1Rising edge interrupt

P0.0's Interrupt State Setting Bit

0Falling edge interrupt

1Rising edge interrupt

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