Z8F021ASH020SC datasheet(51/276 Pages) ZILOG

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PS022815-0206

General-Purpose I/O

Z8 Encore! XP® 4K Series

Product Specification

General-Purpose I/O

Overview

The Z8 Encore! XP® 4K Series products support a maximum of 25 port pins (Ports A–D)

for general-purpose input/output (GPIO) operations. Each port contains control and data

registers. The GPIO control registers determine data direction, open-drain, output drive

current, programmable pull-ups, STOP Mode Recovery functionality, and alternate pin

functions. Each port pin is individually programmable. In addition, the Port C pins are

capable of direct LED drive at programmable drive strengths.

GPIO Port Availability By Device

Table 14 lists the port pins available with each device and package type.

Table 14. Port Availability by Device and Package Type

Devices

Package 10-Bit ADC Port A Port B Port C Port D Total I/O

Z8F042ASB, Z8F042APB, Z8F042AQB

Z8F022ASB, Z8F022APB, Z8F022AQB

Z8F012ASB, Z8F012APB, Z8F012AQB

8-pin

Yes

[5:0]

Z8F041ASB, Z8F041APB, Z8F041AQB

Z8F021ASB, Z8F021APB, Z8F021AQB

Z8F011ASB, Z8F011APB, Z8F011AQB

8-pin

[5:0]

Z8F042APH, Z8F042AHH, Z8F042ASH

Z8F022APH, Z8F022AHH, Z8F022ASH

Z8F012APH, Z8F012AHH, Z8F012ASH

20-pin

Yes

[7:0]

[3:0]

[0]

Z8F041APH, Z8F041AHH, Z8F041ASH

Z8F021APH, Z8F021AHH, Z8F021ASH

Z8F011APH, Z8F011AHH, Z8F011ASH

20-pin

[7:0]

[3:0]

[0]

Z8F042APJ, Z8F042ASJ, Z8F042AHJ

Z8F022APJ, Z8F022ASJ, Z8F022AHJ

Z8F012APJ, Z8F012ASJ, Z8F012AHJ

28-pin

Yes

[7:0]

[5:0]

[7:0]

[0]

Z8F041APJ, Z8F041ASJ, Z8F041AHJ

Z8F021APJ, Z8F021ASJ, Z8F021AHJ

Z8F011APJ, Z8F011ASJ, Z8F011AHJ

28-pin

[7:0]

[0]

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