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Radar detectors
Industrial and home lighting
Security systems
Home appliances
Sensors
Electronic power meters
Wireless communication
PDA attachments
FEATURES
HIGH-PERFORMANCE 68HC08 CPU CORE
鈥?8 MHz bus operation at 5V operation for
125 nsec minimum instruction cycle time
鈥?4 MHz bus operation at 3V for 250 nsec
minimum instruction cycle time
鈥?Efficient instruction set including multiply
and divide
鈥?16 flexible addressing modes including
stack relative with 16-bit stack pointer
鈥?Fully static low-voltage, low-power design
with wait and stop modes
BENEFITS
鈥?Object code compatible with the 68HC05
鈥?Easy to learn and use architecture
鈥?C optimized architecture provides compact
code
Freescale Semiconductor, Inc...
INTEGRATED SECOND GENERATION FLASH MEMORY
The 68HC908GT16 and 68HC908GT8 are fully
integrated microcontrollers created to make
system design easier by eliminating external
peripherals wherever possible. The internal
clock generator eliminates the need for an
external clock source and helps reduce
system costs. The integrated second
generation FLASH memory programs up to
100 times faster than prior FLASH solutions
and offers in-application programming.
Features include a synchronous serial
peripheral interface (SPI), an asynchronous
serial communications interface (SCI), an
analog-to-digital converter (ADC), an auto
wakeup from stop feature, low-voltage inhibit
(LVI) and a watchdog timer.
鈥?In-application re-programmable
鈥?Extremely fast programming, encoding 64
bytes in as fast as 2 msec
鈥?FLASH programming across the 68HC08鈥檚
full operating supply voltage with no extra
programming voltage
鈥?10K write/erase cycles minimum over
temperature
鈥?Flexible block protection and security
鈥?Cost-effective programming changes and
field software upgrades via in-application
programmability and re-programmability
鈥?Reduces production programming costs
through ultra-fast programming
鈥?Allows re-programmable battery-powered
applications
鈥?Byte-writable for data as well as program
memory
鈥?Protects code from unauthorized reading
and to guard against unintentional
erasing/writing of user-programmable
segments of code
UP TO 33 BI-DIRECTIONAL INPUT/OUTPUT (I/O) LINES
鈥?10 mA sink/source on all I/O pins
鈥?15 mA sink capability on five I/O pins
鈥?Keyboard scan with selectable interrupts
on eight I/O pins
鈥?Software programmable pullups on 23
I/O pins
鈥?High-current I/O allows direct drive of LED
and other circuits to eliminate external
drivers and reduce system costs
鈥?Keyboard scan with programmable pullups
eliminates external glue logic when
interfacing to simple keypads
HC08 CPU
KBI
TWO PROGRAMMABLE 16-BIT TIMER CHANNELS
鈥?125 nsec resolution at 8 MHz bus
鈥?Free-running counter or modulo up-counter
鈥?Each channel independently programmable
for input capture, output compare or
unbuffered PWM
鈥?Pairing timer channels provides a buffered
PWM function
16K/8K Flash
8-ch 8-bit
ADC
512 RAM
LVI
SCI
INTERNAL CLOCK GENERATOR
SPI
2 x 2-ch
16-bit Timer
COP
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Software-selectable bus frequencies
2% accurate with trim capability
Clock monitor
Option to allow use of external clock source
or external crystal/ceramic resonator
鈥?Eliminates the need and cost for an
external clock source
鈥?Improved accuracy across temperature and
voltage
Internal
Clock
Generator
Up to 36 GPIO
TIMEBASE MODULE
鈥?8 user-selectable periodic real-time
interrupts
鈥?Optionally operate in low-power stop mode
鈥?Provides auto wakeup from low-power stop
mode to maintain real-time clock or check
external device status such as sensors
For More Information On This Product,
Go to: www.freescale.com
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