Samsung S3C9228/P9228, 8-Bit CMOS Microcontroller user manual P0CON Port 0 Control Register

CONTROL REGISTERSS3C9228/P9228

P0CON – Port 0 Control Register EBH

Bit Identifier

RESET Value

Read/Write

.7-.6

.7	.6	.5	.4	.3	.2	.1	.0
0	0	0	0	0	0	0	0
R/W	R/W	R/W	R/W	R/W	R/W	R/W	R/W
P0.3/BUZ/INT Configuration Bits
0 0	Schmitt trigger input

01 Push-pull output

10 N-channel open-drain output

1 1 Alternative function (BUZ output)

.5-.4	P0.2/INT Configuration Bits
	0	0	Schmitt trigger input
	0	1	Push-pull output
	1	0	N-channel open-drain output
	1	1	Not available

.3-.2	P0.1/T1CLK/INT Configuration Bits
	0	0	Schmitt trigger input (T1CLK input)
	0	1	Push-pull output
	1	0	N-channel open-drain output
	1	1	Not available

.1-.0	P0.0/TAOUT/INT Configuration Bits
	0	0	Schmitt trigger input
	0	1	Push-pull output
	1	0	N-channel open-drain output
	1	1	Alternative function (TAOUT output)

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