The MC912DG128ACPVE is a 16-bit Application-specific Microcontroller with CISC architecture operates at a maximum frequency of 8MHz. The device incorporates 128kB internal flash, 8kB internal RAM, 2kB on-chip EEPROM, two 8-channel 10-bit A/D converter and 69 general-purpose I/O pins. This device also features peripherals like synchronous serial peripheral interface modules (SPI), two asynchronous serial communications interface (SCI) module and Inter IC bus interface (I2C).
- Upward compatible with M68HC11 instruction set
- Interrupt stacking and programmer's model identical to M68HC11
- 20-bit ALU
- Instruction queue
- Enhanced indexed addressing
- Multiplexed bus
- Two 1Mbps CAN 2.0 A, B software compatible modules
- Enhanced capture timer (ECT)
- 4 PWM channels with programmable period and duty cycle
- LIM (lite integration module)
- WCR (windowed COP watchdog, real time interrupt, clock monitor)
- ROC (reset and clocks)
- MEBI (multiplexed external bus interface)
- MMI (memory map and interface)
- INT (interrupt control)
- BKP (breakpoints)
- BDM (background debug mode)
- Two 8-bit ports with key wake-up interrupt
- Phase-locked loop clock frequency multiplier
- Limp home mode in absence of external clock
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