Features

• PIC18F2221/2321/4221/4321 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 PIC18F2221/2321/4221/4321 family of Microcontrollers is based upon Microchip s PIC18 architecture offering a 31 level hardware stack and 77 instructions. These MCUs provide up to 10 MIPS, up to 8 Kbytes program memory with 512 bytes RAM and Data EEPROM of 256 bytes. On board is a configurable oscillator with ±1% accuracy. Microcontroller Features. 40 MHz Max. CPU Speed 77 Instructions 31 Level Hardware Stack Configurable Internal Oscillator – Selectable Frequency Range 8 MHz to 31 kHz 25 I/O Pins – PIC18F2221/2321 Models 36 I/O Pins – PIC18F4221/4321 Models nanoWatt XLP Technology Power-On Reset (POR) Power-Up Timer (PWRT) Oscillator Start-Up Timer (OST) Brown-Out Reset (BOR) Ext***ed Watchdog Timer (WDT) Low-Voltage Programming (LVP) In-Circuit Serial Programming (ICSP) In-Circuit Debug (ICD). Peripherals. 10-bit Analogue to Digital Converter (ADC) – PIC18F2221/2321 10 Channels; PIC18F4221/4321 13 Channels One Enhanced Capture, Compare, PWM Module – PIC18F4221/4321 Models Only Capture, Compare, PWM Module – PIC18F2221/2321 x 2; PIC18F4221/4321 x 1 Two Comparators One 8-bit Timers Three 16-bit Timers High/Low-Voltage Detection (HLVD) Module Master Synchronous Serial Port (MSSP) Module with SPI and I2C Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART)