This is a document describing the PIC18C601/801 chip, which introduces the characteristics of the chip, including CPU, memory, peripheral, timer, capture compare PWM, serial port, ADC, etc
The PIC18C601/801 family are high‑performance, ROM‑less 8‑bit microcontrollers with an external memory bus. They feature a 16‑bit wide instruction set, 8‑bit data path, up to 47 configurable I/O pins, and a range of analog and communication peripherals such as 10‑bit ADC, MSSP (SPI/I²C), and USART.
The document includes detailed pin diagrams for 64‑pin TQFP, 68‑pin PLCC, 80‑pin TQFP and 84‑pin PLCC packages, memory organization, oscillator options, timer modules, capture/compare/PWM units, and electrical characteristics. Appendices cover revision history, device differences, migration guides, and tool requirements.
| Operating voltage range | 2.0 V – 5.5 V |
|---|---|
| Number of I/O pins | Up to 47 |
| Maximum current per I/O | 25 mA sink / 25 mA source |
| External program memory addressable | Up to 2 Mbytes |
| Linear data memory addressable | Up to 4 Kbytes |
| Instruction cycle time | Up to 160 ns |
| Maximum clock input | 25 MHz |
| Number of ADC channels | Up to 12 |
The device operates from 2.0 V to 5.5 V.
The microcontroller provides up to 47 configurable I/O pins.
It can address up to 2 Mbytes of external program memory.
The instruction cycle can be as fast as 160 ns.