Zilog Z8PE002 Manual do Utilizador descarregar pdf (Página 32)

Z8PE002

Z8Plus OTP Microcontroller ZiLOG

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

TIMERS (Continued)

Figure 23. PortB Special Function Register

Figure 24. Port B Directional Control Register

Figure 25. Timer T0 Output Through T

OUT

D7

D6

D5 D4 D3 D2 D1 D0

0D7

PTBSFR

1 = Enable Bit 0 as SMR input

0 = No special functionality

1 = Enable Bit 1 as

T0

output

0 = No special functionality

1 = Enable Bit 2 as IRQ2 input

0 = No special functionality

D4 D3 Comparator Interrupts

--- --- -------------- -------------------

0 0 Disabled

Disabled

0 1 Enabled

Disabled

1 0 Disabled

Enabled

1 1 Enabled

Enabled

BIT 3: Comparator reference input

BIT 4: Comparator signal input/IRQ0/IRQ2

Reserved (must be 0)

D7 D6 D5 D4 D3 D2 D1 D0

0D6

PTBDIR

Reserved (must be 0)

1 = Bit n set as output

0 = Bit n set as input

T

OUT

PB1

IRQ0

(T0 End-of-Count)

÷2

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 47 48

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