Z8F0113 datasheet(52/245 Pages) ZILOG

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PS024315-1011

P R E L I M I N A R Y

GPIO Alternate Functions

Z8 Encore! XP® F0823 Series

Product Specification

Port B3

PB03

Reserved

AFS1[0]: 0

ANA0

ADC Analog Input

AFS1[0]: 1

PB1

Reserved

AFS1[1]: 0

ANA1

ADC Analog Input

AFS1[1]: 1

PB2

Reserved

AFS1[2]: 0

ANA2

ADC Analog Input

AFS1[2]: 1

PB3

CLKIN

External Clock Input

AFS1[3]: 0

ANA3

ADC Analog Input

AFS1[3]: 1

PB4

Reserved

AFS1[4]: 0

ANA7

ADC Analog Input

AFS1[4]: 1

PB5

Reserved

AFS1[5]: 0

VREF

ADC Voltage Reference

AFS1[5]: 1

PB6

Reserved

AFS1[6]: 0

Reserved

AFS1[6]: 1

PB7

Reserved

AFS1[7]: 0

Reserved

AFS1[7]: 1

Table 17. Port Alternate Function Mapping (Non 8-Pin Parts) (Continued)

Port

Mnemonic

Alternate Function Description

Alternate Function

Set Register AFS1

Notes:

1. Because there is only a single alternate function for each Port A pin, the Alternate Function Set registers are not

implemented for Port A. Enabling alternate function selections as described in the Port A–C Alternate Function

Subregisters section on page 43 automatically enables the associated alternate function.

2. Whether PA0/PA6 take on the timer input or timer output complement function depends on the timer configura-

tion as described in the Timer Pin Signal Operation section on page 83.

3. Because there are at most two choices of alternate function for any pin of Port B, the Alternate Function Set reg-

ister AFS2 is implemented but not used to select the function. Also, alternate function selection as described in

the Port A–C Alternate Function Subregisters section on page 43 must also be enabled.

4. VREF is available on PB5 in 28-pin products only.

5. Because there are at most two choices of alternate function for any pin of Port C, the Alternate Function Set reg-

ister AFS2 is implemented but not used to select the function. Also, Alternate Function selection as described in

the Port A–C Alternate Function Subregisters section on page 43 must also be enabled.

6. VREF is available on PC2 in 20-pin parts only.

Z8F0113 Datasheet(PDF) 52 Page - Zilog, Inc.

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