Z8F0113 datasheet(26/245 Pages) ZILOG

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PS024315-1011

P R E L I M I N A R Y

Pin Characteristics

Z8 Encore! XP® F0823 Series

Product Specification

Pin Characteristics

Table 4 provides detailed information about the characteristics for each pin available on

Z8 Encore! XP F0823 Series 20- and 28-pin devices. Data in Table 4 is sorted alphabeti-

cally by the pin symbol mnemonic.

All six I/O pins on the 8-pin packages are 5V-tolerant (unless the pull-up devices are

enabled). The right-most column in Table 4 describes 5V tolerance for the 20- and 28-pin

packages only.

Table 4. Pin Characteristics (20- and 28-pin Devices)*

Symbol

Mnemonic Direction

Reset

Direction

Active

Low or

Active

High

Tristate

Output

Internal

Pull-up

or Pull-

down

Schmitt-

Trigger

Input

Open Drain

Output

Tolerance

AVDD

N/A

AVSS

N/A

DBG

I/O

N/A

Yes

PA[7:0]

I/O

N/A

Yes

Program-

mable

Pull-up

Yes

Yes,

Programmable

PA[7:2] only

PB[7:0]

I/O

N/A

Yes

Program-

mable

Pull-up

Yes

Yes,

Programmable

PB[7:6] only

PC[7:0]

I/O

N/A

Yes

Program-

mable

Pull-up

Yes

Yes,

Programmable

PC[7:3] only

RESET

I/O

(defaults

RESET)

Low (in

Reset

mode)

Yes

(PD0

only)

Always

on for

RESET

Yes

Always on for

RESET

Yes

VDD

N/A

VSS

N/A

Note: PB6 and PB7 are available only in the devices without ADC.

Note:

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