Samsung 8-Bit Instrukcja Użytkownika Pobierz pdf (Strona 80)

CONTROL REGISTERS S3C9228/P9228

4-28

P4CONH – Port 4 Control Register High Byte F9H

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

RESETRESET 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

.7-.6 P4.7/SEG11 Configuration Bits

0 0 Input mode

0 1 Push-pull output

1 0 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

1 2 ... 75 76 77 78 79 80 81 82 83 84 85 ... 461 462

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