General Description Introduction The MC68H(R)C908JL3E is a member of the 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 Features of the MC68H(R)C908JL3E include the following: • 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 • IRQ 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
|