MC68HC908JL3CP Datasheet



The MC68H(R)C908JL3 is a member ofthe low-cost, high-performance M68HC08 Family of 8-bit microcontroller units(MCUs). The M68HC08 Family is based on the customer-specified integrated circuit (CSIC) design strategy. All MCUs in the family use the enhanced M68HC08 central processor unit (CPU08) and are available with a variety of modules, memory sizes and types, and package types.

Features of the MC68H(R)C908JL3 include the following:
• High-performance M68HC08 architecture
• Fully upward-compatible object code with M6805, M146805, and M68HC05 Families
• Low-power design; fully static with stop and wait modes
• 5V and 3V operating voltages
• 8MHz internal bus operation
• RC-oscillator circuit or crystal-oscillator options
• In-system FLASH programming
• FLASH security1
• User FLASH memory
  – 4096 bytes for MC68H(R)C908JL3/JK3
  – 1536 bytes for MC68H(R)C908JK1
• 128 bytes of on-chip random-access memory (RAM)
• 2-channel, 16-bit timer interface module (TIM)
• 12-channel, 8-bit analog-to-digital converter (ADC)
• 23 general purpose I/O ports for MC68H(R)C908JL3:
  – 7 keyboard interrupt with internal pull-up
  – 10 LED drivers
  – 2 ×25mA open-drain I/O with pull-up
• 15 general purpose I/O ports for MC68H(R)C908JK3/JK1:
  – 1 keyboard interrupt with internal pull-up(with RC oscillator option selected)
  – 4 LED drivers
  – 2 ×25mA open-drain I/O with pull-up
• System protection features:
  – Optional computer operating properly (COP) reset
  – Optional low-voltage detection with reset and selectable trip
points for 3V and 5V operation.
  – Illegal opcode detection with reset
  – Illegal address detection with reset
• Master reset pin with internal pull-up and power-on reset
• IRQ1with programmable pull-up and schmitt-trigger input
• 28-pin PDIP and 28-pin SOICpackages for MC68H(R)C908JL3
• 20-pin PDIP and 20-pin SOIC packages for MC68H(R)C908JK3/JK1
Features of the CPU08 include the following:
• Enhanced HC05 programming model
• Extensive loop control functions
• 16 addressing modes (eight more than the HC05)
• 16-bit index register and stack pointer
• Memory-to-memory data transfers
• Fast 8 ×8 multiply instruction
• Fast 16/8 divide instruction
• Binary-coded decimal (BCD) instructions
• Optimization for controller applications
• Efficient C language support



Manufacturer information

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