Zilog Z8PE002 Instrukcja Użytkownika Pobierz pdf (Strona 35)

Z8PE002

ZiLOG Z8Plus OTP Microcontroller

DS008700-Z8X0799 P R E L I M I N A R Y 35

PORT A REGISTER DIAGRAMS

Figure 28. Port A Input Value Register

Figure 29. Port A Output Value Register

Figure 30. Port A Directional Control Register

Figure 31. Port A Special Function Register

D7 D6 D5 D4 D3 D2 D1 D0

Register 0D0H

PTAIN

Port A Bit n current input value

(only updated for pins in input mode)

D7 D6 D5 D4 D3 D2 D1 D0

Register 0D1H

PTAOUT

Port A Bit n currentoutput value

D7 D6 D5 D4 D3 D2 D1 D0

Register 0D2H

PTADIR

1 = Bit n set as an output

0 = Bit n set as an input

D7 D6 D5 D4 D3 D2 D1 D0

Register 0D3H

PTASFR

1 = Bit n in open-drain mode

0 = Bit n in push-pull mode

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 47 48

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