PIC18LF2480T-I/SO - 8-Bit 40MHz 16KB Flash MCU w/ ECAN | Microchip
MPN: PIC18LF2480T-I/SO ✓ فعالPIC18LF2480T-I/SO نمای کلی
A PIC18 microcontroller belongs to the 8-bit MCU class (microcontroller unit), which integrates a CPU, non-volatile program memory, RAM, peripherals and I/O on a single die. Within the taxonomy, the PIC18F family is the high-performance tier of Microchip's 8-bit PIC line, sitting above baseline PIC10/12/16 and offering higher MIPS, larger memories and richer peripherals such as ECAN, USB and the PMP. The PIC18LF prefix denotes the low-voltage F-variant supporting operation down to 2.0 V, while standard PIC18F parts operate from 4.2 V to 5.5 V. ECAN-enabled PIC18LF2480 is commonly used as a node in CAN 2.0B networks.
Key features include a maximum 40 MHz internal oscillator (10 MIPS), 16 KB Flash, 768 B RAM, 256 B EEPROM, 25 I/O, 8 channels of 10-bit ADC, two 8-bit timers and three 16-bit timers, hardware ECAN, MSSP (SPI/I2C) and an enhanced USART. The nanoWatt power-management block delivers multiple idle and sleep modes with sub-microamp sleep currents, allowing the same firmware to span battery-powered and always-on line-powered applications.
Architecturally, the PIC18LF2480 uses Microchip's Harvard-based 8-bit RISC core with a 16-bit instruction word and hardware multiplier. The ECAN engine supports CAN 2.0B active with multiple transmit/receive buffers, filters and masks. The 10-bit ADC uses a dedicated successive-approximation converter with selectable acquisition time, supporting mixed-signal applications such as sensor conditioning and motor control feedback.
Typical applications include CAN nodes for automotive body and chassis modules, industrial field-bus sensor and actuator interfaces, low-power battery sensor transmitters, HVAC controllers, and appliance control boards. The wide 2.0-5.5 V operating range simplifies designs that must migrate between 3.3 V and 5 V rails without re-firmware.
When designing with this part, reserve adequate decoupling on VDD/AVDD pairs, route the 40 MHz oscillator traces short and symmetrical, and follow the ECAN bus-layout guideline (twisted pair, 120 ohm termination at both ends). A dedicated bootloader or ICSP header is recommended for field firmware updates.
This page synthesizes distributor pricing, drop-in 28-SOIC alternatives, and practical design notes for the PIC18LF2480T-I/SO not consolidated on the manufacturer datasheet.
جایگزین‌های drop-in برای PIC18LF2480T-I/SO — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای PIC18LF2480T-I/SO (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, Timers, I/O Pins, ADC, Operating Temperature.
PIC18LF2480-I/SO
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
PIC18F2480-I/SO
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18LF2580-I/SO
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18F2480-E/SO
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18LF2480T-I/ML
✅ جایگزین مستقیم ⚠️ مشخصات تأییدنشدهبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18LF25K50T-I/SO
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18LF2480T-I/SO حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core | PIC18 (8-bit RISC, Harvard) |
| Family | PIC18LFxxxx (low-voltage F variant) |
| CPU Speed | Up to 40 MHz (10 MIPS) |
| Program Memory (Flash) | 16 KB (8K x 16) |
| RAM | 768 bytes |
| EEPROM | 256 bytes |
| Operating Voltage | 2.0 V to 5.5 V |
| I/O Pins | 25 |
| ADC | 10-bit, 8 channels |
| Timers | 2 x 8-bit + 3 x 16-bit |
| Communication | ECAN, MSSP (SPI/I2C), Enhanced USART |
| بسته‌بندی | 28-pin SOIC (wide body, 7.50 mm) |
| دمای کاری | -40 C to +85 C (Industrial) |
| نوع نصب | Surface Mount, Tape & Reel |
| وضعیت RoHS | Compliant |
| Power-Saving Mode | nanoWatt (multiple idle/sleep modes) |
پیکربندی پین PIC18LF2480T-I/SO
| پین 1 | MCLR/RE3 — Master clear (reset) input or digital input RE3 |
| پین 2 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| پین 3 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| پین 4 | RA2/AN2/VREF- — PORTA bit 2 / analog input 2 / ADC VREF- |
| پین 5 | RA3/AN3/VREF+ — PORTA bit 3 / analog input 3 / ADC VREF+ |
| پین 6 | RA4/T0CKI/C1OUT — PORTA bit 4 / Timer0 clock input / Comparator 1 output |
| پین 7 | RA5/AN4/SS/HLVDIN/C2OUT — PORTA bit 5 / analog input 4 / SSP slave select / HLVD input / Comparator 2 output |
| پین 8 | VSS — Ground reference |
| پین 9 | OSC1/CLKI/RA7 — Crystal oscillator input / external clock input / PORTA bit 7 |
| پین 10 | OSC2/CLKO/RA6 — Crystal oscillator output / clock output / PORTA bit 6 |
| پین 11 | RC0/T1OSO/T13CKI — PORTC bit 0 / Timer1 oscillator output / Timer1/Timer3 clock input |
| پین 12 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 PWM output |
| پین 13 | RC2/CCP1 — PORTC bit 2 / CCP1 PWM output |
| پین 14 | RC3/SCK/SCL — PORTC bit 3 / MSSP SPI clock / I2C clock |
| پین 15 | RC4/SDI/SDA — PORTC bit 4 / MSSP SPI data in / I2C data |
| پین 16 | RC5/SDO — PORTC bit 5 / MSSP SPI data out |
| پین 17 | RC6/TX/CK — PORTC bit 6 / EUSART asynchronous transmit / EUSART synchronous clock |
| پین 18 | RC7/RX/DT — PORTC bit 7 / EUSART asynchronous receive / EUSART synchronous data |
| پین 19 | VSS — Ground reference (second VSS) |
| پین 20 | VDD — Positive supply voltage (2.0 V to 5.5 V) |
| پین 21 | RB0/AN12/INT0 — PORTB bit 0 / analog input 12 / external interrupt 0 |
| پین 22 | RB1/AN10/INT1 — PORTB bit 1 / analog input 10 / external interrupt 1 |
| پین 23 | RB2/AN8/INT2/CANTX — PORTB bit 2 / analog input 8 / external interrupt 2 / ECAN TX |
| پین 24 | RB3/AN9/CANRX — PORTB bit 3 / analog input 9 / ECAN RX |
| پین 25 | RB4/AN11/KBI0 — PORTB bit 4 / analog input 11 / interrupt-on-change bit 0 |
| پین 26 | RB5/KBI1/PGM — PORTB bit 5 / interrupt-on-change bit 1 / LVP programming |
| پین 27 | RB6/KBI2/PGC — PORTB bit 6 / interrupt-on-change bit 2 / ICSP clock |
| پین 28 | RB7/KBI3/PGD — PORTB bit 7 / interrupt-on-change bit 3 / ICSP data |
کاربردهای معمول
PIC18LF2480T-I/SO مناسب است برای 6 کاربردs: CAN Node for Automotive Body/Chassis Modules, Industrial Field-Bus Sensor and Actuator Interface, Battery-Powered Wireless Sensor Transmitter, HVAC Climate Control Board, White Goods / Appliance Control Board, Industrial CAN-Enabled Data Logger.
CAN Node for Automotive Body/Chassis Modules
The PIC18LF2480T-I/SO is a single-chip ECAN node for automotive body and chassis networks such as mirror, seat, lighting and HVAC control. Its hardware ECAN 2.0B engine handles bus arbitration, error confinement and filtering without software bit-banging, offloading the 40 MHz CPU for application logic. The 16 KB Flash and 768 B RAM comfortably store a CANopen or J1939 stack plus application tasks. The 2.0-5.5 V range lets the same firmware run on 12 V-transient-tolerant 5 V rails and on 3.3 V sensor-cluster boards. Pair with a TJA1050 or MCP2551 CAN transceiver on the bus side.
پیشنهادی
Industrial Field-Bus Sensor and Actuator Interface
On the factory floor the PIC18LF2480T-I/SO serves as an ECAN endpoint aggregating analog and digital sensors (8-channel 10-bit ADC) and driving actuators through PWM (CCP/ECCP) or GPIO. The nanoWatt sleep modes drop quiescent current below 1 uA between bus events, suiting battery- or energy-harvested sensor pods. The 25 I/O handle multiple discrete signals, quadrature encoders (via QEI-less timer chain) and isolated digital I/O. Robust operation across -40 C to +85 C matches IEC 60068 industrial environmental requirements.
پیشنهادی
Battery-Powered Wireless Sensor Transmitter
The PIC18LF2480T-I/SO is well suited to battery-powered sensor nodes thanks to nanoWatt sleep currents (sub-1 uA in deep sleep) and operation down to 2.0 V, which lets the same board run from two AA alkaline cells down to their end-of-life voltage. The 40 MHz CPU wakes, samples the 10-bit ADC, formats a packet and returns to sleep within milliseconds. A companion low-power RF module (e.g. MRF24J40 or sub-GHz SX127x) can be driven over the MSSP SPI. Hardware ECAN is unused here, but firmware portability across product variants means one codebase spans wired and wireless nodes.
پیشنهادی
HVAC Climate Control Board
In residential and light-commercial HVAC control boards, the PIC18LF2480T-I/SO interfaces NTC temperature sensors, humidity transducers and pressure sensors through its 10-bit ADC, drives triac-fired fans and valve actuators via zero-crossing timers, and exchanges control-loop data over ECAN with the central indoor unit. The wide 2.0-5.5 V operating range supports both 24 V AC-derived 5 V and modern 3.3 V designs without re-firmware. The 768 B RAM and 16 KB Flash easily fit a PID control loop plus menu-driven LCD handler via the MSSP/SPI.
پیشنهادی
White Goods / Appliance Control Board
White-goods appliance boards (washing machines, dishwashers, ovens) use the PIC18LF2480T-I/SO to coordinate motor inverters, door locks, water valves, user keypads and display modules. The three 16-bit timers generate PWM for variable-speed drives, while the enhanced USART handles the user interface panel. Industrial -40 C to +85 C operation covers under-hood and inside-cabinet thermal envelopes. The hardware ECAN provides a maintenance and diagnostics port for factory test and field service, sharing the same bus with newer appliances.
پیشنهادی
Industrial CAN-Enabled Data Logger
For portable industrial data loggers that tap a CAN 2.0B bus to record machine telemetry, the PIC18LF2480T-I/SO combines hardware ECAN filtering, 10-bit ADC for ambient/board sensors and 256 B EEPROM for non-volatile configuration. The 16 KB Flash stores 2-4 days of buffered records with a small FAT-style file system on an external SPI EEPROM or SD card. nanoWatt idle allows weeks of standby on a small Li-ion cell. The 28-SOIC package is hand-solderable for low-volume industrial test equipment.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای PIC18LF2480T-I/SO — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | PIC18LF2480-I/SO | PIC18F2480-I/SO | PIC18LF2580-I/SO | PIC18F2480-E/SO | PIC18LF25K50T-I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (wide) | 28-SOIC (wide) - same | 28-SOIC (wide) - same | 28-SOIC (wide) - same | 28-SOIC (wide) - same | 28-SOIC (wide) - same |
| Flash Memory | 16 KB | 16 KB | 16 KB | 32 KB | 16 KB | 32 KB |
| RAM | 768 B | 768 B | 768 B | 1.5 KB | 768 B | 2 KB |
| Operating Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 4.2 V to 5.5 V | 2.0 V to 5.5 V | 4.2 V to 5.5 V | 1.8 V to 3.6 V |
| ECAN Module | Yes (CAN 2.0B) | Yes (CAN 2.0B) | Yes (CAN 2.0B) | Yes (CAN 2.0B) | Yes (CAN 2.0B) | No (USB instead) |
| Max CPU Speed | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 40 MHz / 10 MIPS | 48 MHz / 12 MIPS |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) |
تفاوت‌های کلیدی
- Hardware ECAN 2.0B controller with masks and filters (در مقابلPIC18LF25K50T-I/SO)
- Low-voltage F variant supporting 2.0 V to 5.5 V operation (در مقابلPIC18F2480-I/SO)
- Industrial -40 C to +85 C with 28-SOIC hand-solderable package (در مقابلPIC18LF2480T-I/ML)
یادداشت‌های طراحی
Estimated: VDD current at 40 MHz CPU and ECAN enabled is around 15 mA at 5 V, dropping to ~7 mA at 3.3 V. Place a 100 nF ceramic decoupling capacitor within 3 mm of each VDD/VSS pin pair and add a bulk 4.7 uF tantalum or ceramic at the MCU power entry. For nanoWatt sleep current (sub-1 uA), disable ECAN and ADC before executing the SLEEP instruction and ensure the ECAN RX pin remains driven by the transceiver so it does not float.
Route the 40 MHz primary oscillator traces (OSC1/OSC2) as short as practical, symmetric length, and guard with a ground pour to minimize coupling to ADC inputs. Keep the CANTX (RB2) and CANRX (RB3) traces short and away from switching nodes; place the MCP2551/TJA1050 transceiver within 25 mm of the MCU to keep stub lengths negligible. The MCLR line must include the 10 kohm pull-up and a 100 nF to ground for ICSP programming; omit the cap only if in-circuit debug is not required.
Do not apply voltage on any I/O pin before VDD reaches its operating range, or latch-up may occur - this is a common brown-out pitfall on battery-powered systems. The 28-SOIC's pin 9 (OSC1/RA7) and pin 10 (OSC2/RA6) double as PORTA, so disabling the oscillator incorrectly can reconfigure them as GPIO. When migrating from PIC18F2480 to PIC18LF2480, verify your BOR voltage is configured for 2.0 V operation, not the 4.2 V default of the F-only family.
اطلاعات انطباق
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - this is an industrial-grade part; AEC-Q100 PIC18 CAN MCUs include the PIC18F2580 automotive variants. Operating temperature -40 C to +85 C (Industrial 'I' suffix).
