Flexis
™
Microcontroller Series
MC9S08QE128
8-bit Fact Sheet
S08QE128 Block Diagram
8 KB
SRAM
ICE + BDM
Voltage
Regulator
2 x SPI
GPIO
ICS +
ULP OSC
2 x I
2
C
Memory
16 KBI pins
24-ch., 12-bit
ADC
COP
RTC
128 KB
Flash
Target Applications
• Health care monitoring
and instrumentation
• HVAC and building control
• Gas, water and heater meters
• Security cameras
• Digital cameras
• Measurement equipment
6-ch., 16-bit
Timer
2 x 3-ch., 16-bit
Timers
2 x SCI
2x
Comparator
System
Integration
4 KB
SRAM
S08 CPU
25 MHz Bus Speed
64 KB
Flash
Memory Options
Overview
The Flexis
™
series of controllers is the connection
point on the Freescale Controller Continuum,
where 8- and 32-bit compatibility becomes
reality. The Flexis series includes complementary
families of 8-bit S08 and 32-bit ColdFire
®
V1
microcontrollers that share a common set of
peripherals and development tools to deliver the
ultimate in migration flexibility. The QE family,
comprised of a pin-compatible 8-bit and 32-bit
device duo, is the first family in the Flexis series.
The S08QE128 device pushes the boundaries
of 8-bit performance with up to 128 KB of flash
memory and a 24-channel, 12-bit analog-to-digital
converter (ADC). The S08QE128 includes up to
3.6V supply voltage, a 50 MHz CPU core and
three timers for improved motor control—perfect
for health care monitoring instrumentation and
electronics such as digital and web cameras.
The 8-bit S08QE128 is pin-, peripheral- and
tool-compatible with the 32-bit MCF51QE128
device, providing unprecedented design freedom
across the performance spectrum.
Features
8-bit HCS08 Central Processing Unit (CPU)
• Up to 50.233 MHz HCS08 CPU from 2.1V to
3.6V, and 20 MHz CPU at 1.8V to 2.1V across
temperature range of -40°C to +85°C
• HCS08 instruction set with added BGND instruction
• Offers high performance, even at low voltage levels
for battery-operated applications
• Provides bus speed operation of 25.117 MHz from
2.1V to 3.6V and 10 MHz from 1.8 to 2.1V
• Easy to learn and use architecture
• Backward object code compatibility with 68HC08
and 68HC05 for reuse of existing libraries can still
be used
• Allows for efficient, compact module coding in
assembly or C compiler
• BGND allows user to enter background debug
mode that takes advantage of on-chip
in-circuit emulator (ICE)
• Allows for software flexibility and optimization for
real-time applications
• Allows user to take full advantage of
in-application, reprogrammability benefits in
virtually any environment
• Security circuitry prevents unauthorized access
to RAM and flash contents to reduce system
power consumption
• Allows continued application sampling in a reduced
power state which extends battery life
Benefits
• Support for up to 32 interrupt/reset sources
On-Chip Memory
• Up to 128 KB flash read/program/erase over full
operating voltage and temperature
• Up to 8 KB random-access memory (RAM)
Power-Saving Modes
• Two ultra-low-power (ULP) stop modes, one of
which allows limited use of peripherals
• New ULP power wait mode
• 6 µs typical wake up time from stop3 mode
• Internal clock Source (ICS)—Module containing a
frequency locked-loop (FLL) controlled by internal
or external reference
• Oscillator (OSC)—Loop-control Pierce oscillator;
crystal or ceramic resonator range of 31.25 kHz to
38.4 kHz or 1 MHz to 16 MHz
• Eliminates use of an external clock source.
This ultimately reduces system costs associated
with development
• Includes ultra-low-power OSC for accurate
timebase in low-power modes
Features
Peripherals
• Two analog comparators with option to compare
to an internal reference—output can be optionally
routed to timer/pulse width modulator (PWM) as
input capture trigger
Benefits
• Requires only single pin for input signal, freeing
additional pins for other use
• Allows other components in system to see result
of comparator with minimal delay
• Can be used for single slope ADC and RC time
constant measurements
• Having 24 channels allows up to 24 analog
devices to be sampled at extremely high speeds.
Full functionality across operational voltage
of the MCU
• Provides standard UART communications peripheral
• Allows full-duplex, asynchronous, NRZ serial
communication between MCU and remote devices
• Edge interrupt can wake up MCU from
low-power mode
• Having two SPI provides dedication to two
separate devices. An example would be to have
one SPI dedicated to a ZigBee
®
-ready transceiver
and the other for MCUs or peripherals
• Three TPMs allow for three different time bases,
with a total of twelve timer channels
Package Options
Part Number
MC9S08QE128CLK
MC9S08QE128CLH
MC9S08QE128CFT
MC9S08QE128CQD
MC9S08QE128CLC
MC9S08QE64CLH
Temp. Range
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
Package
80 LQFP
64 LQFP
48 QFN
44 QFP
32 LQFP
64 LQFP
• Analog Digital Converter (ADC)—24-channel,
12-bit resolution; 2.5 µs conversion time; automatic
compare function; 1.7 mV/°C temperature sensor;
internal bandgap reference channel; operation
in stop3
• 2x Serial Communications Interface (SCI)—Two
modules offering asynchronous communications,
13-bit break option, flexible baud rate generator,
double buffered transmit and receive and optional
H/W parity checking
and generation
• 2x SCI (Serial Peripheral Interfaces)—Two modules
with full-duplex or single-wire bidirectional;
double-buffered transmit and receive; master
or slave mode; MSB-first or LSB-first shifting
• Time pulse-width modulation (TPM)—one
6-channel (TMP3) and two 3-channel (TPM1 and
TPM2); selectable input capture, output compare,
or buffered edge- or center-aligned PWM on
each channel
• Two I
2
C with up to 100 kbps with maximum
bus loading; multi-master operation; programmable
slave address; interrupt-driven byte-by-byte
data transfer; supports broadcast mode and
10-bit addressing
Input/Output
• 70 GPIO (General Purpose Input/Output),
one input-only and one output-only pin
• 16 Keyboard Interrupts (KBI) pins with
selectable polarity
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 op code detection with reset
• Flash block protection
Cost-Effective Development Tools
DEMOQE128
$99*
Cost-effective demonstration kit, including
the S08 and ColdFire
®
V1 daughter cards, as
well as a serial port and built-in USB-BDM
cable for debugging and programming.
EVBQE128
• Two I
2
C ports enable increased system memory by
using an additional I
2
C EEPROM. This also creates
an opportunity to add an additional I
2
C device
$325*
Full-featured evaluation system for the
QE128 device family. This evaluation
system enables full evaluation of both the
MC9S08QE128 and MCF51QE128 devices.
• Results in large number of flexible I/O pins that allow
developers to easily interface device into their
own designs
• Can be used for reading input from a keypad or
used as general pin interrupts
CodeWarrior
®
Development Studio
for Microcontrollers 6.0
Complimentary** Special Edition
CodeWarrior Development Studio for
Microcontrollers is a single tool suite
that supports software development for
Freescale’s 8- and 32-bit ColdFire V1
microcontrollers. Designers can further
accelerate application development with the
help of Processor Expert, an award-winning
rapid application development tool integrated
into the CodeWarrior tool suite.
* Prices indicated are MSRP
** Subject to license agreement
• Allows device to recognize runaway code
(infinite loops) and resets processor to avoid
lock-up states
• Alarms the developer of voltage drops outside
of the typical operating range
• Allows the device to recognize erroneous code
and resets the processor to avoid lock-up states
• Prevents unintentional programming of protected
flash memory, which greatly reduces the chance of
losing vital system code for vendor applications
• Allows developers to use the same hardware
cables between S08 and ColdFire V1 platforms
• Allows single breakpoint setting during in-circuit
debugging (plus three more breakpoints in on-chip
debug module)
• Provides built-in full emulation without expense of
traditional emulator
Development Support
• Single-wire background debug interface
• Breakpoint capability
• ICE debug module containing three comparators
and nine trigger modes. Eight deep FIFO for
storing change-of-flow addresses and event-only
data—debug module supports both tag and
force breakpoints
Learn More:
For more information about the
Flexis QE family, please visit
www.freescale.com/flexis.
Freescale and the Freescale logo are trademarks or registered trademarks of Freescale Semiconductor, Inc. in the U.S. and other
countries. All other product or service names are the property of their respective owners.
© Freescale Semiconductor, Inc. 2009.
Document Number: MC9S08QE128FS
REV 1
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