Samsung S3C9228/P9228 P4CONH Port 4 Control Register High Byte, F9H, P4.5/SEG9 Configuration Bits

CONTROL REGISTERSS3C9228/P9228

P4CONH – Port 4 Control Register High Byte F9H

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
P4.7/SEG11 Configuration Bits
0 0	Input mode

01 Push-pull output

10 N-channel open-drain output

1 1 Input, pull-up mode

.5-.4	P4.6/SEG10 Configuration Bits
	0	0	Input mode
	0	1	Push-pull output
	1	0	N-channel open-drain output
	1	1	Input, pull-up mode

.3-.2	P4.5/SEG9 Configuration Bits
	0	0	Input mode
	0	1	Push-pull output
	1	0	N-channel open-drain output
	1	1	Input, pull-up mode

.1-.0	P4.4/SEG8 Configuration Bits
	0	0	Input mode
	0	1	Push-pull output
	1	0	N-channel open-drain output
	1	1	Input, pull-up mode

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