MCHC908LK24CFQE
MC68HC908LJ24 MC68HC908LK24 Data Sheet
Features
Features of the MC68HC908LJ24 include the following:
High-performance M68HC08 architecture
Fully upward-compatible object code with M6805, M146805, and
M68HC05 Families
– 8-MHz at 5V operating voltage
– 4-MHz at 3.3V operating voltage
32.768kHz crystal oscillator clock input with 32MHz internal PLL
Optional continuous crystal oscillator operation in stop mode
24K-bytes user program FLASH memory with security
1
feature
768 bytes of on-chip RAM
Up to 48 general-purpose input/output (I/O) pins:
– High current 15mA sink capability on 30 pins
Two 16-bit, 2-channel timer interface modules (TIM1 and TIM2)
with selectable input capture, output compare, PWM capability on
each channel, and external clock input option (T1CLK and T2CLK)
Real time clock (RTC) with:
– Clock, calendar, alarm, and chronograph functions
– Selectable periodic interrupt requests for seconds, minutes,
hours, days, 2-Hz, 4-Hz, 8-Hz, 16-Hz, and 128-Hz
– Temperature drift compensation by user software and external
temperature sensor with temperature drift profile from crystal
vendor
Serial communications interface module (SCI) with infrared (IR)
encoder/decoder
Inter-IC Bus interface module (IIC)
Serial peripheral interface module (SPI)
IRQ external interrupt pin with integrated pullup
8-bit keyboard wakeup port with programmable pullup
4/3 backplanes and static with maximum 32/33 frontplanes liquid
crystal display (LCD) driver
6-channel, 10-bit successive approximation analog-to-digital
converter (ADC)
Resident routines for in-circuit programming and EEPROM
emulation
Low-power design (fully static with stop and wait modes)
Master reset pin (with integrated pullup) and power-on reset
Spike filter protection for EMC performance enhancement
System protection features
– Optional computer operating properly (COP) reset, driven by
internal RC oscillator
– Low-voltage detection with optional reset or interrupt
– Illegal opcode detection with reset
– Illegal address detection with reset
80-pin quad flat pack (QFP), 80-pin low-profile quad flat pack
(LQFP), 64-pin quad flat pack (QFP), and 64-pin low-profile quad
flat pack (LQFP)
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