MC9S08QA2CFQE datasheet(1/32 Pages) FREESCALE

Part #	MC9S08QA2CFQE

Description	8-bit HCS08 Central Processor Unit (CPU)

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Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

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Freescale Semiconductor

Data Sheet: Technical Data

Document Number: MC9S08QA4

Rev. 2, 2/2008

This document contains information on a product under development. Freescale reserves the

right to change or discontinue this product without notice.

MC9S08QA4

Features:

• 8-bit HCS08 Central Processor Unit (CPU)

– Up to 20 MHz CPU at 3.6 V to 1.8 V across temperature

range of –40°C to 85°C

– HC08 instruction set with added BGND instruction

– Support for up to 32 interrupt/reset sources

•On-Chip Memory

– Flash read/program/erase over full operating voltage

and temperature

– Random-access memory (RAM)

– Security circuitry to prevent unauthorized access to

RAM and flash contents

• Power-Saving Modes

– Two very low power stop modes

– Peripheral clock enable register can disable clocks to

unused modules, thereby reducing currents

– Very low power real time counter for use in run, wait,

and stop modes with internal clock sources

• Clock Source Options

– Internal Clock Source (ICS) — Internal clock source

module containing a frequency-locked-loop (FLL)

controlled by internal reference; precision trimming of

internal reference allows 0.2% resolution and 2%

deviation over temperature and voltage; supports bus

frequencies from 1 MHz to 10 MHz

• System Protection

– Watchdog computer operating properly (COP) reset

with option to run from dedicated 1 kHz internal clock

source or bus clock

– Low-voltage detection with reset or interrupt

– Selectable trip points

– Illegal opcode detection with reset

– Illegal address detection with reset

– Flash block protection

• Development Support

– Single-wire background debug interface

– Breakpoint capability to allow single breakpoint setting

during in-circuit debugging

• Peripherals

– ADC — 4-channel, 10-bit resolution; 1.7 mV/

°C

temperature sensor; automatic compare function;

internal bandgap reference channel; operation in stop3;

fully functional from 3.6 V to 1.8 V

– ACMP — Analog comparator with selectable interrupt

on rising, falling, or either edge of comparator output;

compare option to fixed internal bandgap reference

voltage; output can be tied internally to TPM input

capture

– TPM — One 1-channel timer/pulse-width modulator

(TPM) module; selectable input capture, output

compare, or buffered edge- or center-aligned PWM on

each channel; ACMP output can be tied internally to

input capture

– MTIM — 8-bit modulo timer module with 8-bit

prescaler

– KBI — 4-pin keyboard interrupt module with software

selectable polarity on edge or edge/level modes

• Input/Output

– Four GPIOs, one input-only pin and one output-only

pin.

– Hysteresis and configurable pullup device on all input

pins; configurable slew rate and drive strength on all

output pins except PTA5

• Package Options

– 8-pin SOIC, PDIP, and DFN

MC9S08QA4 Series

Covers:

MC9S08QA4

8-Pin DFN

Case 1452-02

8-Pin NB-SOIC

Case 751-07

8-Pin PDIP

Case 626-06

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