MC68HRC908JL3E Maximum Ratings
MC68HRC908JL3E Features
• EMC enhanced version of MC68H(R)C908JL3/JK3/JK1
• 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
• Maximum internal bus frequency:
8-MHz at 5V operating voltage
4-MHz at 3V operating voltage
• Oscillator options:
Crystal oscillator for MC68HC908JL3E/JK3E/JK1E
RC oscillator for MC68HRC908JL3E/JK3E/JK1E
• User program FLASH memory with security(1) feature
4,096 bytes for MC68H(R)C908JL3E/JK3E
1,536 bytes for MC68H(R)C908JK1E
• 128 bytes of on-chip 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)C908JL3E:
7 keyboard interrupt with internal pull-up
(6 keyboard interrupt for MC68HC908JL3E)
10 LED drivers (sink)
2 * 25mA open-drain I/O with pull-up
• 15 general purpose I/O ports for MC68H(R)C908JK3E/JK1E:
1 keyboard interrupt with internal pull-up
(MC68HRC908JK3E/JK1E only)
4 LED drivers (sink)
2 * 25mA open-drain I/O with pull-up
10-channel ADC
• 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
• IRQ1 with schmitt-trigger input and programmable pull-up
• 28-pin PDIP, 28-pin SOIC, and 48-pin LQFP packages for MC68H(R)C908JL3E
• 20-pin PDIP and 20-pin SOIC packages for MC68H(R)C908JK3E/JK1E
MC68HRC908JL3E Connection Diagram
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