Color Indicator Bar/Volume no.
8-bit microcontroller
MC9S08SE8/4
Do more with less
Target Applications
• Personal care/handheld devices
• AC-powered consumer goods
• Power tools
• Security systems
• Lawnmowers
• Small appliances
• Treadmills
• Vacuum cleaners
• Industrial appliances/compressors
• DC computer cooling fans
• Power supplies
• AC voltage line monitors
MC9S08SE8/4 Block Diagram
24/14 GPIO
2-ch., 16-bit
Timer
1-ch., 16-bit
Timer
10-ch., 10-bit
ADC
8K/4K
Flash
8x KBI
LVI
SCI
ICS
(0.2% resolution, 2% deviation)
Features
8-bit HCS08 Central Processor Unit (CPU)
• Up to 20 MHz HCS08 (10 MHz internal bus
frequency)
• HC08 instruction set with added BGND instruction
Benefits
• Offers high performance up to 5V, ideal for industrial
applications
• Enables backward object-code compatibility with
68HC08 and 68HC05
• Allows existing code libraries to be used
• Allows for efficient, compact module coding in
assembly or C complier
• Enables software flexibility and optimization for real-
time applications
• Provides users a single solution for multiple platforms
or a single platform that is field reprogrammable in
virtually any environment
• Does not require additional pin or power supply for
flash programming, thus simplifying the interface for
in-line programming and allowing for more GPIO pins
• Helps reduce production programming costs through
ultra-fast programming, as well as lowering system
power consumption due to shorter writes
• Allows electrically erasable programmable read-only
memory (EEPROM) emulation, reducing system costs
and board real estate
• Eliminates the cost of utilizing external clock
components, reducing board space and increasing
system reliability
• Provides one of the most accurate and cost-effective
internal clock sources in the market
• Enables adjustment of bus clocks for optimal serial
communication baud rates and/or timer intervals
• 32 kHz oscillator provides low-power option
for systems requiring time-keeping functionality
(i.e. time and date) while in low-power modes
• High-current I/O allows direct drive of LED and other
circuits, virtually eliminating external drivers and
reducing system costs
• Reduces customer’s system cost by eliminating the
need for external resistors
• Allows user to configure ports for slower slew rate and
weaker drive to minimize noise emissions from the MCU
• Keyboard scan with programmable pull-ups/pull-downs
virtually eliminates external glue logic when interfacing
to simple keypads
• Supports up to 32 interrupt/reset sources
Integrated Third-Generation Flash Memory and RAM
• Embedded flash that is in-application
reprogrammable over the full operating voltage and
temperature range with a single power supply
• Extremely fast, byte-writable programming;
as fast as 20 µs (burst mode)
• Up to 100,000 write/erase cycles at typical voltage
and temperature (10k minimum write/erase); 100
years typical data retention (15 years minimum)
Flexible Clock Options
• Internal clock source (ICS) module with a
frequency-locked loop (FLL) controlled by internal
or external reference
• Precision trimming of internal reference allows
typical 0.2 percent resolution and 2 percent
deviation over operating temperature and voltage
• Internal reference can be trimmed from 31.25 kHz
to 38.4 kHz, allowing for up to 10 MHz FLL output
• Low-power oscillator module (XOSC) with
software-selectable crystal or ceramic resonator
range, 31.25 kHz to 38.4 kHz or 1 MHz to 16 MHz
• Outputs 10 mA each; 60 mA max for package
• Software-selectable pull-ups on ports when used
as inputs; internal pull-up on reset and interrupt
request (IRQ) pin
• Software-selectable slew rate control and drive
strength on ports when used as output
• 8-pin keyboard interrupt module with software-
selectable polarity on edge or edge/level modes
COP
RTC
512/256B
RAM
S08 Core
ICE + BDM
22 I/O Pins, One Input-Only Pin and One Output-Only Pin
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
