Samsung 8-Bit Manual do Utilizador descarregar pdf (Página 70)

CONTROL REGISTERS S3C9228/P9228

4-18

P1CON – Port 1 Control Register EFH

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 P1.3/AD3/INT Configuration Bits

0 0 Schmitt trigger input

0 1 Push-pull output

1 0 N-channel open-drain output

1 1 Alternative function (ADC mode)

.5-.4 P1.2/AD2/INT Configuration Bits

0 0 Schmitt trigger input

0 1 Push-pull output

1 0 N-channel open-drain output

1 1 Alternative function (ADC mode)

.3-.2 P1.1/AD1/INT Configuration Bits

0 0 Schmitt trigger input

0 1 Push-pull output

1 0 N-channel open-drain output

1 1 Alternative function (ADC mode)

.1-.0 P1.0/AD0/INT Configuration Bits

0 0 Schmitt trigger input

0 1 Push-pull output

1 0 N-channel open-drain output

1 1 Alternative function (ADC mode)

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 ... 461 462

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