P4con – Samsung S3F80JB User Manual

Page 101

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CONTROL REGISTERS

S3F80JB

4-34

P4CON

— Port 4 Control Register

F0H Set1 Bank0

Bit

Identifier

.7 .6 .5 .4 .3 .2 .1 .0

Reset Value

0 0 0 0 0 0 0 0

Read/Write

R/W R/W R/W R/W R/W R/W R/W R/W

Addressing Mode

Register addressing mode only

.7

P4.7 Mode Selection Bit

0 Open-drain

output

mode

1 Push-pull

output

mode

.6

P4.6 Mode Selection Bit

0 Open-drain

output

mode

1 Push-pull

output

mode

.5

P4.5 Mode Selection Bit

0 Open-drain

output

mode

1 Push-pull

output

mode

.4

P4.4 Mode Selection Bit

0 Open-drain

output

mode

1 Push-pull

output

mode

.3

P4.3 Mode Selection Bit

0 Open-drain

output

mode

1 Push-pull

output

mode

.2

P4.2 Mode Selection Bit

0 Open-drain

output

mode

1 Push-pull

output

mode

.1

P4.1 Mode Selection Bit

0 Open-drain

output

mode

1 Push-pull

output

mode

.0

P4.0 Mode Selection Bit

0 Open-drain

output

mode

1 Push-pull

output

mode