Z8F0113 datasheet(24/245 Pages) ZILOG

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PS024315-1011

P R E L I M I N A R Y

Signal Descriptions

Z8 Encore! XP® F0823 Series

Product Specification

*Analog input alternate functions (ANA) are not available on Z8F0x13 devices.

Signal Descriptions

Table 3 lists the Z8 Encore! XP F0823 Series signals. To determine the signals available

for the specific package styles, see the Pin Configurations section on page 7.

Table 3. Signal Descriptions

Signal Mnemonic

I/O

Description

General-Purpose I/O Ports A–D

PA[7:0]

I/O

Port A. These pins are used for general-purpose I/O.

PB[7:0]1

I/O

Port B. These pins are used for general-purpose I/O. PB6 and PB7 are

available only in those devices without an ADC.

PC[7:0]

I/O

Port C. These pins are used for general-purpose I/O.

UART Controllers

TXD0

Transmit Data. This signal is the transmit output from the UART and IrDA.

RXD0

Receive Data. This signal is the receive input for the UART and IrDA.

CTS0

Clear To Send. This signal is the flow control input for the UART.

Driver Enable. This signal allows automatic control of external RS-485

drivers. This signal is approximately the inverse of the TXE (Transmit

Empty) bit in the UART Status 0 Register. The DE signal can be used to

ensure the external RS-485 driver is enabled when data is transmitted by

the UART.

Timers

T0OUT/T1OUT

Timer Output 0–1. These signals are output from the timers.

T0OUT/T1OUT

Timer Complement Output 0–1. These signals are output from the timers

in PWM DUAL OUTPUT Mode.

T0IN/T1IN

Timer Input 0–1. These signals are used as the capture, gating and coun-

ter inputs. The T0IN signal is multiplexed T0OUT signals.

Comparator

CINP/CINN

Comparator Inputs. These signals are the positive and negative inputs to

the comparator.

Notes:

1. PB6 and PB7 are only available in 28-pin packages without ADC. In 28-pin packages with ADC, they are

replaced by AVDD and AVSS.

2. The AVDD and AVSS signals are available only in 28-pin packages with ADC. They are replaced by PB6 and

PB7 on 28-pin packages without ADC.

Note:

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