PIC18F2480-I/SO - 8-bit 40MHz MCU 16KB Flash 28-SOIC | Microchip
MPN: PIC18F2480-I/SO ✓ Hoạt độngPIC18F2480-I/SO Tóm tắt
An 8-bit MCU is a microcontroller whose datapath, registers, ALU and program memory are organised around an 8-bit data width; the PIC18 family in particular implements an enhanced Harvard architecture with 16-bit opcodes and an 8-bit data bus, placing it in the broader hierarchy of microcontroller -> embedded controller -> semiconductor. The PIC18F2480 sits within the PIC18F2x80 device family alongside the PIC18F2580, PIC18F4480 and PIC18F4580, which differ mainly in pin count (28 vs. 40/44) and CAN peripheral count; this 28-pin member is the smallest-footprint variant of the family.
Key features include 25 digital I/O pins, two analog comparators, a master synchronous serial port (MSSP) configurable as SPI or I2C, hardware ECAN supporting CAN 2.0B active (bit rates up to 1 Mbit/s), a 10-bit 8-channel ADC, four timer modules and nanoWatt Technology for reduced sleep current (as low as sub-1 uA typical). The 40 MHz oscillator yields 10 MIPS throughput, and on-chip in-circuit debug (ICD) plus two Enhanced Capture/Compare/PWM modules make it well-suited for closed-loop control.
Typical applications include industrial CAN nodes such as HVAC controllers, automotive body modules, sensor networks, building-automation gateways, industrial sensors and instrumentation. The industrial temperature grade and ECAN peripheral make the part a strong fit for factory-floor networked equipment where the PCB footprint must remain small. When designing in this MCU, place VDD/VSS bypass capacitors within a few millimetres of the supply pins and avoid routing the high-speed CANH/CANL traces through the oscillator region; reserve pin 1 (MCLR) for an in-circuit debug header unless the application does not require ICD.
Bộ thay thế dễ dàng lắp đặt cho PIC18F2480-I/SO — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC18F2480-I/SO (cùng hình factor và footprint) — khác nhau ở Package, Core Architecture, Operating Temperature, Program Memory (Flash), ADC.
PIC18F2480-E/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F2580-I/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F2431-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F2455-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F2423-I/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F2480-I/SO Tỷ lệ tối đa & tính chất điện
| Architecture | PIC18 8-bit enhanced RISC, Harvard |
| Program Memory (Flash) | 16 KB (8K x 16 instructions) |
| Data RAM | 768 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 40 MHz (10 MIPS) |
| Supply Voltage (VDD) | 4.2 V to 5.5 V |
| I/O Pins | 25 |
| A/D Converter | 10-bit, up to 8 channels |
| CAN | ECAN (CAN 2.0B Active) |
| USART | 2 |
| MSSP (SPI / I2C) | Yes |
| Timers | 4 (TMR0, TMR1, TMR2, TMR3) |
| Enhanced CCP | 2 ECCP modules |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial) |
| Hộp | 28-SOIC (300 mil) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC18F2480-I/SO
| Chân 1 | MCLR — Master Clear (reset) input, internal pull-up |
| Chân 2 | RA0/AN0 — PORTA bit 0 / Analog input 0 |
| Chân 3 | RA1/AN1 — PORTA bit 1 / Analog input 1 |
| Chân 4 | RA2/AN2 — PORTA bit 2 / Analog input 2 |
| Chân 5 | RA3/AN3 — PORTA bit 3 / Analog input 3 |
| Chân 6 | RA4/T0CKI — PORTA bit 4 / Timer 0 clock input |
| Chân 7 | RA5/AN4 — PORTA bit 5 / Analog input 4 |
| Chân 8 | VSS — Ground reference |
| Chân 9 | OSC1/CLKI — Crystal/Resonator input or external clock in |
| Chân 10 | OSC2/CLKO — Crystal/Resonator output or clock out |
| Chân 11 | RC0/T1OSO — PORTC bit 0 / Timer 1 oscillator output |
| Chân 12 | RC1/T1OSI — PORTC bit 1 / Timer 1 oscillator input |
| Chân 13 | RC2/CCP1 — PORTC bit 2 / Enhanced CCP1 output |
| Chân 14 | RC3/SCK/SCL — PORTC bit 3 / SPI clock or I2C clock |
| Chân 15 | RC4/SDI/SDA — PORTC bit 4 / SPI data in or I2C data |
| Chân 16 | RC5/SDO — PORTC bit 5 / SPI data out |
| Chân 17 | RC6/TX/CK — PORTC bit 6 / USART async TX or sync clock |
| Chân 18 | RC7/RX/DT — PORTC bit 7 / USART async RX or sync data |
| Chân 19 | VSS — Ground reference |
| Chân 20 | VDD — Positive supply (4.2-5.5 V) |
| Chân 21 | RB0/INT0 — PORTB bit 0 / External interrupt 0 |
| Chân 22 | RB1/INT1 — PORTB bit 1 / External interrupt 1 |
| Chân 23 | RB2/CANTX — PORTB bit 2 / ECAN TX output |
| Chân 24 | RB3/CANRX — PORTB bit 3 / ECAN RX input |
| Chân 25 | RB4 — PORTB bit 4 (interrupt-on-change) |
| Chân 26 | RB5 — PORTB bit 5 (interrupt-on-change) |
| Chân 27 | RB6/ICSPCLK — PORTB bit 6 / ICSP clock |
| Chân 28 | RB7/ICSPDAT — PORTB bit 7 / ICSP data |
Ứng dụng tiêu biểu
PIC18F2480-I/SO phù hợp cho 6 Áp dụngs: Industrial CAN Node, Automotive Body Electronics, Industrial Sensor Network, Building Automation Gateway, HVAC Climate Controller, Battery-Powered Data Logger.
Industrial CAN Node
The PIC18F2480's ECAN (CAN 2.0B Active) peripheral and industrial temperature grade make it a strong fit for industrial CAN nodes such as HVAC controllers, factory-floor sensor hubs and building-automation gateways. The 16 KB Flash supports substantial protocol stacks including CANopen, while the 768-byte RAM is sufficient for typical PDO/SDO buffering. Placed as the master on the bus alongside an MCP2551 transceiver, the part delivers 1 Mbit/s throughput at 40 MHz for deterministic control loops. Reference design: PIC18F2480 + MCP2551 forms a complete CAN node used in DeviceNet and CANopen slave assemblies.
Được đề xuất
Automotive Body Electronics
The PIC18F2480-I/SO is widely used in automotive aftermarket body-electronics modules such as window controllers, seat modules and lighting drivers thanks to its wide 4.2-5.5 V supply tolerance and the rugged 28-SOIC industrial-temperature package. The on-chip ECAN peripheral integrates the bus controller directly, reducing PCB area versus external CAN controllers, while the 16 KB Flash supports AUTOSAR-style or proprietary body modules. Designers should note this part is industrial-grade and not AEC-Q100 rated; for OEM-grade automotive designs use the automotive-qualified PIC18F2580 family.
Được đề xuất
Industrial Sensor Network
Industrial sensor network nodes benefit from the PIC18F2480's combination of 8-channel 10-bit ADC, USART, MSSP (SPI/I2C) and ECAN bus, all in a single 28-pin IC. The 40 MHz CPU at 10 MIPS easily handles concurrent ADC sampling and CAN message pre-processing for distributed I/O blocks. Reference designs demonstrate its use in 4-20 mA loop-powered sensors where the nanoWatt sleep mode reduces quiescent current to under 1 uA between transmissions, making it well suited to battery or loop-powered field devices.
Được đề xuất
Building Automation Gateway
Building-automation gateways use the PIC18F2480-I/SO to aggregate sensor data on RS-485, I2C or SPI sub-nets and forward it over a CAN backbone to a central controller. The part's two USARTs and MSSP (SPI/I2C) provide three independent serial buses, while the ECAN peripheral transports the aggregated data with hardware acceptance filtering. Its industrial -40C to +85C temperature range and 4.2-5.5 V supply tolerance suit rooftop and basement equipment enclosures.
Được đề xuất
HVAC Climate Controller
HVAC climate controllers leverage the PIC18F2480's 10-bit ADC for temperature/humidity feedback, the two ECCP modules for fan motor PWM control, and the ECAN peripheral for inter-zone communication in multi-zone commercial systems. The 16 KB Flash supports PID control plus MODBUS/CANopen stacks, and the industrial temperature rating handles rooftop-unit environments. Designers pair it with a TRIAC driver to switch heater banks or a brushless DC motor controller for variable-speed blowers.
Được đề xuất
Battery-Powered Data Logger
Industrial data-logger and telemetry modules with battery or solar power take advantage of the PIC18F2480's nanoWatt technology, which drops the sleep current to sub-1 uA typical between ADC sampling intervals. The 256-byte EEPROM can store calibration constants locally, while the 768-byte RAM buffers ADC samples before CAN transmission. With a 40 MHz clock, the part can wake, sample, CAN-publish and return to sleep within hundreds of microseconds, maximising battery life for remote telemetry applications.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18F2480-I/SO — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC18F2480-E/SO | PIC18F2580-I/SO | PIC18F2431-I/SO | PIC18F2455-I/SO | PIC18F2423-I/SO |
|---|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC | 28-SOIC | 28-SOIC | 28-SOIC | 28-SOIC |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 16 KB | 16 KB | 32 KB | 16 KB | 24 KB | 8 KB |
| Data RAM | 768 bytes | 768 bytes | 1.5 KB | 768 bytes | 2 KB | 512 bytes |
| ECAN/CAN Peripheral | Yes (CAN 2.0B Active) | Yes | Yes | No | No (USB instead) | No |
| Maximum CPU Speed | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 48 MHz | 40 MHz |
| A/D Converter | 10-bit, 8 channels | 10-bit, 8 channels | 10-bit, 8 channels | 10-bit, 8 channels | 10-bit, 10 channels | 12-bit, 8 channels |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
Bảo phân biệt quan trọng
- Integrated ECAN peripheral on 28-pin footprint (vsPIC18F2431-I/SO)
- Lower power with nanoWatt technology (vsPIC18F2580-I/SO)
- Industrial temperature grade at -40C to +85C in SOIC (vsPIC18F2480-E/SO)
Ghi chú thiết kế
Place 0.1 uF ceramic decoupling capacitors on both VDD pins and a single 10 uF bulk capacitor within 25 mm of the package. The PIC18F2480 has both digital VDD (pin 20) and per-port VDD/VSS pins; powering all VDD pins is required even if the corresponding port is unused. Use a low-ESR ceramic for the 0.1 uF caps and a tantalum or aluminium polymer for bulk; verify ripple below 50 mVpk under 40 MHz CPU load to avoid ADC error.
Route the ECAN TX/RX pair (RB2/RB3) as a 100-ohm differential pair with 4 mm maximum length mismatch to the MCP2551 transceiver; keep traces well clear of the oscillator (OSC1/OSC2) to avoid coupling noise into the timebase. The 28-SOIC package has reasonable thermal performance but consider a copper pour on the bottom layer under pins 8/19/20 to wick heat; this is especially important if the part will be sourcing large currents through PORTB.
Do not exceed 40 MHz at the OSC1 pin - the Flash read path will corrupt and instructions will be mis-executed. Always configure the Configuration Words (CONFIG1H through CONFIG6H) before any code executes, especially the watchdog (WDT), brown-out reset (BOR) and oscillator (FOSC) bits. Leaving the MCLR pin floating on a 28-SOIC layout will cause intermittent resets: use the internal weak pull-up configuration or a 10 kohm external pull-up.
When using the 10-bit ADC, add a 100 ohm series resistor and a 100 nF capacitor at the analogue input to form a 1 MHz anti-alias filter; the ADC sample-and-hold requires a settling time of about 1.7 us at 40 MHz. For ADC measurements that share a digital I/O pin, configure the digital input buffer as analog via the ANSEL register - failing to do so injects digital switching noise into the ADC result.
Thông tin tuân thủ
Microchip PIC18F2480-I/SO is RoHS/REACH compliant and lead-free per DigiKey/Mouser distributor listings. The industrial-grade -I temperature variant is not AEC-Q100 qualified; choose PIC18F2580-E/SO or other automotive-grade PIC18 family members for AEC-Q100 applications.
