Zilog Z8PE002 Manual de usuario descargar pdf (Pagina 16)

Z8PE002

Z8Plus OTP Microcontroller ZiLOG

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

RESET (Continued)

D4 Port B Input UUUUUUUUCurrent sample of the input pin

following RESET.

D3 Port A Special

Function

00000000Deactivates all port special functions

after RESET.

D2 Port A

Directional

Control

00000000Deﬁnes all bits as inputs in PortA after

RESET.

D1 Port A Output UUUUUUUUOutput register not affected by RESET

D0 Port A Input UUUUUUUUCurrent sample of the input pin

following RESET.

CF Reserved

CE Reserved

CD T1VAL UUUUUUUU

CC T0VAL UUUUUUUU

CB T3VAL UUUUUUUU

CA T2VAL UUUUUUUU

C9 T3AR UUUUUUUU

C8 T2AR UUUUUUUU

C7 T1ARHI UUUUUUUU

C6 T0ARHI UUUUUUUU

C5 T1ARLO UUUUUUUU

C4 T0ARLO UUUUUUUU

C3 WDTHI 11111111

C2 WDTLO 11111111

C1 TCTLHI 11111000WDT enabled in HALT mode, WDT

time-out at maximum value, STOP

mode disabled.

C0 TCTLLO 00000000All standard timers are disabled.

Table 8. Control and Peripheral Registers* (Continued)

Bits

Comments76543210

Note:

*The SMR and WDT flags are set to indicate the source of the RESET.

Table 9. Flag Register Bit D1, D0

D1 D0 Reset Source

00V

/POR

0 1 SMR Recovery

1 0 WDT Reset

1 1 Reserved

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 47 48

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Zilog Z8PE002 Manual de usuario Pagina 16

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