ZUSBOPTSC01ZAC datasheet(67/402 Pages) ZILOG

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PS024604-1005

P R E L I M I N A R Y

Port A–C Control Registers

Z8FMC16100 Series Flash MCU

Product Specification

Port A–C Pull-Up Enable Subregisters

The Port A–C Pull-Up Enable subregisters, shown in Table 23, are accessed through the

Port A–C Control registers by writing 06h to the Port A–C Address registers. Setting the

bits in the Port A–C Pull-Up Enable subregisters enables a weak internal resistive pull-up

on the specified port pins.

Table 22. Port A–C STOP Mode Recovery Source Enable Sub-Registers

BITS

FIELD

PSMRE7

PSMRE6

PSMRE5

PSMRE4

PSMRE3

PSMRE2

PSMRE1

PSMRE0

RESET

000

R/W

R/WR/W

ADDR

If 05H in Port A–C Address Register, accessible through the Port A–C Control Register

Bit

Position

Value

(H)

Description

[7:0]

PSMRE

Port STOP Mode Recovery Source Enable

The Port pin is not configured as a STOP Mode Recovery source. Transitions on

this pin during STOP mode do not initiate STOP Mode Recovery.

The Port pin is configured as a STOP Mode Recovery source. Any logic

transition on this pin during STOP mode initiates STOP Mode Recovery.

ZUSBOPTSC01ZAC 数据表(PDF) 67 Page - Zilog, Inc.

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