規格
| 屬性 | 價值 |
| Package / Case | Tube |
| Series | PIC® 18F |
| Part Status | Active |
| Core Processor | PIC |
| Core Size | 8-Bit |
| Speed | 48MHz |
| Connectivity | I²C, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, HLVD, POR, PWM, WDT |
| Number of I/O | 35 |
| Program Memory Size | 32KB (16K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 256 x 8 |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 4.2V ~ 5.5V |
| Data Converters | A/D 13x10b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Through Hole |
概述
Description
The PIC18F4550-I/P is an 8-bit microcontroller from Microchip’s PIC18 family, featuring a Harvard architecture with a 16-bit instruction set. Key specifications:
- Clock Speed: Up to 48 MHz (12 MIPS).
- Flash Memory: 32 KB.
- RAM: 2 KB, EEPROM: 256 B.
- I/O Pins: 35 (5V tolerant).
- Peripherals: USB 2.0 (full-speed), 10-bit ADC (13 ch.), PWM, USART, SPI, I²C.
- Operating Voltage: 2.0–5.5V.
Ideal for embedded USB applications, industrial control, and automation. The 40-pin PDIP (I/P) package makes it breadboard-friendly. It’s programmable in C or assembly via MPLAB X IDE.
Pros: Low power, robust peripherals.
Cons: Limited RAM for complex tasks.
A cost-effective choice for USB-enabled projects.
- Clock Speed: Up to 48 MHz (12 MIPS).
- Flash Memory: 32 KB.
- RAM: 2 KB, EEPROM: 256 B.
- I/O Pins: 35 (5V tolerant).
- Peripherals: USB 2.0 (full-speed), 10-bit ADC (13 ch.), PWM, USART, SPI, I²C.
- Operating Voltage: 2.0–5.5V.
Ideal for embedded USB applications, industrial control, and automation. The 40-pin PDIP (I/P) package makes it breadboard-friendly. It’s programmable in C or assembly via MPLAB X IDE.
Pros: Low power, robust peripherals.
Cons: Limited RAM for complex tasks.
A cost-effective choice for USB-enabled projects.
Equivalent
Equivalent products to the PIC18F4550-I/P include:
- PIC18F4550T-I/PT (Tape & Reel packaging)
- PIC18F2550-I/P (Lower flash but similar features)
- PIC18F45K50-I/P (Enhanced with USB & lower power)
- PIC18F46K50-I/P (More memory, same core)
- ATmega32U4 (AVR alternative with USB)
These offer comparable USB, peripherals, and pin compatibility. Check datasheets for exact specs.
- PIC18F4550T-I/PT (Tape & Reel packaging)
- PIC18F2550-I/P (Lower flash but similar features)
- PIC18F45K50-I/P (Enhanced with USB & lower power)
- PIC18F46K50-I/P (More memory, same core)
- ATmega32U4 (AVR alternative with USB)
These offer comparable USB, peripherals, and pin compatibility. Check datasheets for exact specs.
Features
The PIC18F4550-I/P is an 8-bit microcontroller from Microchip with these key features:
- CPU: 12 MIPS at 48 MHz (with PLL).
- Memory: 32 KB Flash, 2 KB RAM, 256 B EEPROM.
- I/O: 35 programmable pins.
- USB: Full-speed (12 Mbps) with on-chip transceiver.
- Peripherals: 10-bit 13-channel ADC, 2x PWM, 2x USART, SPI, I²C.
- Timers: 4x 8/16-bit timers + WDT.
- Voltage: 2.0V–5.5V operation.
- Package: 40-pin PDIP.
Ideal for USB-enabled embedded applications.
- CPU: 12 MIPS at 48 MHz (with PLL).
- Memory: 32 KB Flash, 2 KB RAM, 256 B EEPROM.
- I/O: 35 programmable pins.
- USB: Full-speed (12 Mbps) with on-chip transceiver.
- Peripherals: 10-bit 13-channel ADC, 2x PWM, 2x USART, SPI, I²C.
- Timers: 4x 8/16-bit timers + WDT.
- Voltage: 2.0V–5.5V operation.
- Package: 40-pin PDIP.
Ideal for USB-enabled embedded applications.
Pinout
The PIC18F4550-I/P is a 40-pin microcontroller from Microchip. Key features include:
- Pin Count: 40 (DIP package)
- Core: 8-bit, up to 48 MHz
- Memory: 32 KB Flash, 2 KB RAM, 256 B EEPROM
- Peripherals:
- USB 2.0 (Full-Speed)
- 13x 10-bit ADC channels
- 2x Comparators
- 2x PWM modules
- USART, SPI, I²C
- 35x I/O pins (5V tolerant)
- Power Supply: 4.2V–5.5V
Functions include embedded control, USB communication, and analog/digital interfacing.
- Pin Count: 40 (DIP package)
- Core: 8-bit, up to 48 MHz
- Memory: 32 KB Flash, 2 KB RAM, 256 B EEPROM
- Peripherals:
- USB 2.0 (Full-Speed)
- 13x 10-bit ADC channels
- 2x Comparators
- 2x PWM modules
- USART, SPI, I²C
- 35x I/O pins (5V tolerant)
- Power Supply: 4.2V–5.5V
Functions include embedded control, USB communication, and analog/digital interfacing.
Manufacturer
The PIC18F4550-I/P is manufactured by Microchip Technology Inc., a leading American semiconductor company specializing in microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989 and headquartered in Chandler, Arizona, Microchip is known for its PIC microcontrollers, which are widely used in embedded systems. The company serves industries like automotive, industrial, consumer electronics, and IoT. Microchip is recognized for its reliable, low-power, and cost-effective semiconductor products.
Application
The PIC18F4550-I/P is a versatile 8-bit microcontroller from Microchip, widely used in:
- Embedded Systems: Control applications, automation, and data logging.
- USB Devices: HID (keyboards, mice), CDC (serial communication), and mass storage.
- Industrial Control: Sensor interfacing, motor control, and monitoring systems.
- Consumer Electronics: Smart appliances, gaming peripherals, and home automation.
- Medical Devices: Portable diagnostic tools and patient monitoring systems.
- Automotive: Basic control modules and infotainment systems.
Its USB 2.0 support, ADC, PWM, and large memory make it ideal for cost-sensitive, low-to-mid complexity projects.
- Embedded Systems: Control applications, automation, and data logging.
- USB Devices: HID (keyboards, mice), CDC (serial communication), and mass storage.
- Industrial Control: Sensor interfacing, motor control, and monitoring systems.
- Consumer Electronics: Smart appliances, gaming peripherals, and home automation.
- Medical Devices: Portable diagnostic tools and patient monitoring systems.
- Automotive: Basic control modules and infotainment systems.
Its USB 2.0 support, ADC, PWM, and large memory make it ideal for cost-sensitive, low-to-mid complexity projects.
Package
The PIC18F4550-I/P comes in a 40-pin PDIP (Plastic Dual In-line Package). This through-hole package is widely used for prototyping and easy hand-soldering. It has a standard 0.6" width and is compatible with breadboards. The "I/P" suffix indicates the industrial temperature range (-40°C to +85°C) and PDIP packaging.
