Zilog Z8PE002 Manual do Utilizador descarregar pdf (Página 41)

Z8PE002

ZiLOG Z8Plus OTP Microcontroller

DS008700-Z8X0799 P R E L I M I N A R Y 41

PORT B CONTROL REGISTERS

Figure 38. Port B Input Value Register

Figure 39. Port B Output Value Register

Figure 40. Port B Directional Control Register

D7 D6 D5 D4 D3 D2 D1 D0

Register 0D4H

PTBIN

Port B Bit n current input value

Reserved (must be 0)

(only updated for pins in input mode)

D7 D6 D5 D4 D3 D2 D1 D0

Register 0D5H

PTBOUT

Port B Bit n current output value

Reserved (must be 0)

D7 D6 D5 D4 D3 D2 D1 D0

Register 0D6H

PTBDIR

Reserved (must be 0)

1 = Bit n set as output

0 = Bit n set as input

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 47 48

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