PIC18F2x1x/4x1x 8-Bit Microcontrollers The PIC18F Microcontrollers from Microchip are the most capable 8-bit devices within Microchip’s offer. Available within the range is CAN, LIN and Ethernet capability as part of a comprehensive range of peripherals to meet the needs of embedded applications and versions featuring XLP (Extreme Low-Power) Technology for where power consumption is a key consideration.

The PIC18F2x1x/4x1x family of microcontrollers is based upon Microchip’s PIC18 architecture offering a 31 level hardware stack and 75 instructions. These MCUs provide up to 10 MIPS, up to 64 Kbytes program memory RAM of up to 3896 bytes. On board is a configurable oscillator. Microcontroller Features 40 MHz Max. CPU Speed
75 Instructions – 83 with Extended Instruction Set Enabled
31 Level Hardware Stack
Configurable Internal Oscillator – Selectable Frequency Range 16 MHz to 31 kHz
25 I/O Pins – PIC18F2xxx Models
36 I/O Pins – PIC18F4xxx Models
nanoWatt Technology
Power-On Reset (POR)
Power-Up Timer (PWRT)
Oscillator Start-Up Timer (OST)
Brown-Out Reset (BOR)
Extended Watchdog Timer (WDT)
High/Low-Voltage Detection (HLVD) Module
Low-Voltage Programming (LVP)
In-Circuit Serial Programming (ICSP)
In-Circuit Debug (ICD) Peripherals 10-bit Analogue to Digital Converter (ADC) – PIC18F2xxx Models 10 Channel; PIC18F4xxx 13 Channel
One Enhanced Capture, Compare, PWM Module – PIC18F4xxx Models Only
Capture, Compare, PWM Modules – PIC18F2xxx Models x 2, PIC18F4xxx Models x 1
Two Comparators
One 8-bit Timers
Three 16-bit Timers
Master Synchronous Serial Port (MSSP) Module with SPI and I2C
Enhanced Addressable Universal Synchronous Asynchronous Receiver Transmitter (EUSART)