UPD78C17
Overview
- 159 types of instructions: 87AD series instruction set plus multiply/divide and 16-bit operation instructions Instruction cycle: 0.8 µs (at 15-MHz operation) Internal ROM: 32768 x 8 bits (µPD78C18 only) Internal RAM: 1024 x 8 bits Up to 64 Kbytes of memory (ROM/RAM) can be directly addressed. High-resolution 8-bit A/D converter: 8 analog inputs General-purpose serial interface: Asynchronous, synchronous, I/O interface modes Multi-function 16-bit timer/event counter
- Two 8-bit timers
- I/O lines Input/output ports : 28 (µPD78C17), 40 (µPD78C18) Edge detection inputs : 4
- 11 interrupt functions External : 3, Internal: 8 (Non-maskable: 1, Maskable: 10)
- Zero-cross detection function: (2 inputs)
- Standby function: HALT mode, hardware/software STOP mode
- Mask option pull-up resistors can be incorporated into Ports A, B, and C. (µPD78C18 only)
