Datasheet

General Description
Features
MC68HC908GR8 — Rev 4.0 Technical Data
MOTOROLA General Description 27
• 7680 bytes of on-chip FLASH memory on the MC68HC908GR8
and 4096 bytes of on-chip FLASH memory on the
MC68HC908GR4 with in-circuit programming capabilities of
FLASH program memory
• 384 bytes of on-chip random-access memory (RAM)
• Serial peripheral interface module (SPI)
• Serial communications interface module (SCI)
• One 16-bit, 2-channel timer (TIM1) and one 16-bit, 1-channel
timer (TIM2) interface modules with selectable input capture,
output compare, and PWM capability on each channel
• 6-channel, 8-bit successive approximation analog-to-digital
converter (ADC)
• BREAK module (BRK) to allow single breakpoint setting during in-
circuit debugging
• Internal pullups on IRQ and RST to reduce customer system cost
• Clock generator module with on-chip 32-kHz crystal compatible
PLL (phase-lock loop)
• Up to 21 general-purpose input/output (I/O) pins, including:
– 19 shared-function I/O pins
– Up to two dedicated I/O pins, depending on package choice
• Selectable pullups on inputs only on ports A, C, and D. Selection
is on an individual port bit basis. During output mode, pullups are
disengaged.
• High current 10-mA sink/10-mA source capability on all port pins
• Higher current 15-mA sink/source capability on PTC0–PTC1
• Timebase module with clock prescaler circuitry for eight user
selectable periodic real-time interrupts with optional active clock
source during stop mode for periodic wakeup from stop using an
external 32-kHz crystal
• Oscillator stop mode enable bit (OSCSTOPENB) in the CONFIG
register to allow user selection of having the oscillator enabled or
disabled during stop mode
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
nc...