MC9RS08LE4 Datasheet PDF - NXP Semiconductors.

Features:
• 8-Bit RS08 Central Processor Unit (CPU)
   – Up to 20 MHz CPU at 2.7 V to 5.5 V across temperature
      range of –40°C to 85°C
   – Subset of HC08 instruction set with added BGND
      instructions
• On-Chip Memory
   – 4 KB flash memory read/program/erase over full
      operating voltage and temperature
   – 256-byte random-access memory (RAM)
   – Security circuitry to prevent unauthorized access to flash
      memory contents
• Power-Saving Modes
   – Wait and stop
• Clock Source Options
   – Oscillator (XOSC) — Loop-control Pierce oscillator;
      crystal or ceramic resonator range of 31.25 kHz to
      39.0625 kHz or 1 MHz to 20 MHz
   – Internal Clock Source (ICS) — Internal clock source
      module containing a frequency-locked-loop (FLL)
      controlled by internal or external reference; precision
      trimming of internal reference allows 0.2% resolution
      and 2% deviation over temperature and voltage;
      supports bus frequencies up to 10 MHz
• 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 opcode detection with reset
   – Illegal address detection with reset
   – Flash memory block protection
• Development Support
   – Single-wire background debug interface
   – Breakpoint capability to allow single breakpoint setting
      during in-circuit debugging
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