Zilog Z8PE002 Manuel d'utilisateur télécharger pdf (Page 42)

Z8PE002

Z8Plus OTP Microcontroller ZiLOG

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

PORT B CONTROL REGISTERS (Continued)

Figure 41. Port B Special Function Register

D7

D6

D5 D4 D3

D2

D1

D0

Register 0D7H

PTBSFR

1 = Enable PB0 as SMR Input

0 = No Special Functionality

1 = Enable PB1 as T0 Output

0 = No Special Functionality

1 = Enable PB2 as IRQ3 Input

0 = No Special Functionality

Reserved (must be 0)

1 = Analog Comparator on PB3 and PB4

0 = Digital Inputs on PB3 and PB4

1 = PB4 Interrupts Enabled

0 = PB4 Interrupts Disabled

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