ZUSBOPTSC01ZAC datasheet(68/402 Pages) ZILOG

68 / 402 page

General-Purpose I/O

P R E L I M I N A R Y

PS024604-1005

Z8 Encore!® Motor Control Flash MCUs

Product Specification

Port A Interrupt Edge Select Subregister

The Interrupt Edge Select (IRQES) Subregister, shown in Table 24, determines whether an

interrupt is generated for the rising edge or falling edge on the selected GPIO Port A input

pin.

Table 23. Port A–C Pull-Up Enable Sub-Registers

BITS

FIELD

PPUE7

PPUE6

PPUE5

PPUE4

PPUE3

PPUE2

PPUE1

PPUE0

RESET

000

R/W

R/WR/W

ADDR

If 06H in Port A–C Address Register, accessible through the Port A–C Control Register

Bit

Position

Value

(H)

Description

[7:0]

PPUE

Port Pull-Up Enable

The weak pull-up on the Port pin is disabled.

The weak pull-up on the Port pin is enabled.

Table 24. Interrupt Edge Select Sub-Register (IRQES)

BITS

FIELD

Reserved

IES3

IES2

IES1

IES0

RESET

000

R/W

ADDR

If 08H in Port A Address Register, accessible through the Port A and Port C Control Register

Bit

Position

Value

(H)

Description

[3:0]

IESx

Interrupt Edge Select x

An interrupt request is generated on the falling edge of the PAx input.

An interrupt request is generated on the rising edge of the PAx input,

where x indicates the specific GPIO Port pin number (0 through 7).

ZUSBOPTSC01ZAC 数据表(PDF) 68 Page - Zilog, Inc.

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