Samsung 8-Bit Instrukcja Użytkownika Pobierz pdf (Strona 66)

CONTROL REGISTERS S3C9228/P9228

4-14

P0CON – Port 0 Control Register EBH

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 P0.3/BUZ/INT Configuration Bits

0 0 Schmitt trigger input

0 1 Push-pull output

1 0 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)

1 2 ... 61 62 63 64 65 66 67 68 69 70 71 ... 461 462

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