This datasheet provides details on the 28/40/44-pin PIC18F2X1X/4X1X microcontrollers with 10-bit A/D and nanoWatt technology.
The PIC18F2X1X/4X1X family comprises 28‑, 40‑ and 44‑pin flash microcontrollers featuring 10‑bit analog‑to‑digital conversion, nanoWatt low‑power modes, and a range of peripheral modules such as MSSP, EUSART, and ECCP. The document provides detailed information on device architecture, power‑managed modes, memory organization, and peripheral capabilities.
Key sections include device overview, oscillator configurations, power‑managed modes, flash program memory specifications, hardware multiplier details, interrupt architecture, I/O port descriptions, timer modules, ADC characteristics, and electrical and packaging data. The data sheet also contains revision history, migration guidance, and contact information for Microchip sales and support.
| Pin count | 28/40/44 pins |
|---|---|
| ADC resolution | 10‑bit, up to 13 channels |
| High‑current I/O sink/source | 25 mA each |
| Sleep mode current | 20 nA typical |
| Operating voltage range | 2.0 V to 5.5 V |
| Temperature range | -40 °C to +125 °C |
The PIC18F2X1X/4X1X devices draw as little as 20 nA typical in Sleep mode.
The microcontrollers operate from 2.0 V up to 5.5 V.
The family is offered in 28‑, 40‑ and 44‑pin packages.
The devices include a 10‑bit ADC with up to 13 channels.