PIC18F4620 Enhanced Flash Microcontrollers:Pinout, Features, and Datasheet

PIC18F4620 offers the advantages of all PIC18 microcontrollers – namely, high computational performance at an economical price – with the addition of high-endurance, Enhanced Flash program memory. On top of these features, the PIC18F2525/2620/4525/ 4620 family introduces design enhancements that make these microcontrollers a logical choice for many high-performance, power sensitive applications.

PIC18F4620 Symbol

PIC18F4620 Footprint

PIC18F4620 CAD Model

• Run: CPU on, Peripherals on 

• Idle: CPU off, Peripherals on 

• Sleep: CPU off, Peripherals off 

• Ultra-Low 50nA Input Leakage 

• Run mode Currents Down to 11 μA Typical 

• Idle mode Currents Down to 2.5 μA Typical 

• Sleep mode Current Down to 100 nA Typical 

• Timer1 Oscillator: 900 nA, 32 kHz, 2V 

• Watchdog Timer: 1.4 μA, 2V Typical 

• Two-Speed Oscillator Start-up

Flexible Oscillator Structure:

• Four Crystal modes, up to 40 MHz

• 4x Phase Lock Loop (PLL) – Available for Crystal and Internal Oscillators

• Two External RC modes, up to 4 MHz

• Two External Clock modes, up to 40 MHz

• Internal Oscillator Block:

- Fast wake from Sleep and Idle, 1 μs typical

- 8 use-selectable frequencies, from 31 kHz to 8 MHz

- Provides a complete range of clock speeds from 31 kHz to 32 MHz when used with PLL

- User-tunable to compensate for frequency drift

• Secondary Oscillator using Timer1 @ 32 kHz

• Fail-Safe Clock Monitor:

- Allows for safe shutdown if peripheral clock stops

Peripheral Highlights:

• High-Current Sink/Source 25 mA/25 mA

• Three Programmable External Interrupts

• Four Input Change Interrupts

• Up to 2 Capture/Compare/PWM (CCP) modules, one with Auto-Shutdown (28-pin devices)

• Enhanced Capture/Compare/PWM (ECCP) module (40/44-pin devices only): - One, two or four PWM outputs

- Selectable polarity

- Programmable dead time

- Auto-shutdown and auto-restart

Peripheral Highlights (Continued):

• Master Synchronous Serial Port (MSSP) module Supporting 3-Wire SPI (all 4 modes) and I2C™ Master and Slave modes

• Enhanced Addressable USART module:

- Supports RS-485, RS-232 and LIN/J2602

- RS-232 operation using internal oscillator block (no external crystal required)

- Auto-wake-up on Start bit

- Auto-Baud Detect

• 10-Bit, up to 13-Channel Analog-to-Digital (A/D) Converter module:

- Auto-acquisition capability

- Conversion available during Sleep

• Dual Analog Comparators with Input Multiplexing

• Programmable 16-Level High/Low-Voltage Detection (HLVD) module:

- Supports interrupt on High/Low-Voltage Detection

Special Microcontroller Features:

• C Compiler Optimized Architecture:

- Optional extended instruction set designed to optimize re-entrant code • 100,000 Erase/Write Cycle Enhanced Flash Program Memory Typical

• 1,000,000 Erase/Write Cycle Data EEPROM Memory Typical

• Flash/Data EEPROM Retention: 100 Years Typical

• Self-Programmable under Software Control

• Priority Levels for Interrupts

• 8 x 8 Single-Cycle Hardware Multiplier

• Extended Watchdog Timer (WDT):

- Programmable period from 4 ms to 131s

• Single-Supply 5V In-Circuit Serial Programming™ (ICSP™) via Two Pins • In-Circuit Debug (ICD) via Two Pins

• Wide Operating Voltage Range: 2.0V to 5.5V

• Programmable Brown-out Reset (BOR) with Software Enable Option 

Microchip Technology PIC18F4620-E/P technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology PIC18F4620-E/P.

PIC18F4620 Package

PIC18F4620 Dimensions

Microchip Technology Inc. is a publicly-listed American corporation that manufactures microcontroller, mixed-signal, analog, and Flash-IP integrated circuits. Its products include microcontrollers (PIC, dsPIC, AVR, and SAM), Serial EEPROM devices, Serial SRAM devices, embedded security devices, radio frequency (RF) devices, thermal, power, and battery management analog devices, as well as linear, interface, and wireless products.

Microchip Technology offers support and resources to educators, researchers, and students in an effort to increase awareness and knowledge of embedded applications. Support includes access to labs, curricula, and course materials, One-on-one consultations, online resources (e.g., code examples, textbook recommendations), training at regional training centers, silicon donations, assistance finding low-cost development tools, free versions of Microchip programming tools, and product discounts.

Download datasheets and manufacturer documentation for Microchip Technology PIC18F4620-E/P.