PIC18F4480-I/P - 8-bit 40MHz 16KB Flash MCU w/ ECAN, 40-PDIP
MPN: PIC18F4480-I/P ✓ פעילPIC18F4480-I/P סקירה
An 8-bit microcontroller is a single-chip computing engine that executes instructions 8 bits at a time using a RISC (Reduced Instruction Set Computer) architecture. In the modern system hierarchy it sits below 32-bit MCUs and microprocessors and is widely used for deterministic, low-cost embedded control. The PIC18 family is Microchip's enhanced 8-bit tier - more capable than the PIC16 (more peripherals, more memory, linear program space) yet more cost-effective than a PIC24 or dsPIC, making PIC18F4480-I/P a typical middle-ground choice for connected industrial nodes.
Key features of the PIC18F4480-I/P include 16 KB of self-programmable Flash with 100K endurance cycles per block, 768 bytes of SRAM, and 256 bytes of EEPROM for non-volatile parameter storage. The Enhanced CAN (ECAN) module supports CAN 2.0B active with multiple transmit/receive buffers - a feature that set this family apart at launch. Five CCP/ECCP modules provide PWM and capture/compare functions, and 10-bit A/D conversion is available on up to 13 channels.
Architecturally, the PIC18F4480-I/P uses a modified Harvard structure with separate program and data paths plus a 16-bit instruction word, and nanoWatt Technology enables several low-power modes (Run, Idle, Sleep, deep Sleep, RTCC). Up to four hardware-accelerated multiply options and a hardware 8x8 unsigned multiplier in select instructions give it the throughput headroom to drive time-deterministic control loops.
Typical applications include industrial automation and sensor networks over CAN bus, embedded automotive body controllers, building automation (HVAC, lighting, access control), low-cost USB/CAN bridges, and general-purpose 5V logic control boards where a through-hole DIP is preferred for prototype or rugged environments.
When designing with this device, place decoupling 0.1 uF ceramic close to each supply pair, keep the ECAN bus termination (typically 120 ohm at each end) within a few millimeters of the CAN pins, and ensure the 40 MHz Fosc configuration in the configuration bits matches the oscillator hardware. Use NanoWatt current consumption figures from the datasheet DC/AC characteristics section, not marketing summaries.
This page distills the verified manufacturer datasheet, distributor pricing tiers, and cross-reference data into a single decision-ready reference - something a raw PDF or distributor listing does not.
חלופות תחליף ישיר עבור PIC18F4480-I/P — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם PIC18F4480-I/P (אותו גורם צורה וטביעת רגל) — שונים ב Package, Operating Temperature, ADC, Program Memory (Flash), Timers.
PIC18F4580-I/P
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F4480-I/ML
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F4420-I/P
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
PIC18F45K80-I/P
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F44K20-I/P
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
PIC18F4458-I/ML
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F4480-I/P דירוגים מרביים ומאפיינים חשמליים
| Product Type | 8-bit Microcontroller (MCU) |
| Core Architecture | PIC18 (Modified Harvard, RISC, 16-bit instruction word) |
| תדר שעון מקסימלי | 40 MHz |
| Instruction Throughput | 10 MIPS (200 ns instruction cycle) |
| Program Memory (Flash) | 16 KB |
| SRAM | 768 B |
| Data EEPROM | 256 B |
| Operating Voltage (Vdd) | 4.2 V to 5.5 V |
| I/O Pins | 36 |
| A/D Converter | 10-bit, up to 13 channels |
| CAN Module | ECAN 2.0B active |
| CCP/ECCP Modules | 5 (2 CCP + 3 ECCP) |
| מארז | 40-pin PDIP (DIP-40, plastic through-hole) |
| סוג הרכבה | Through-Hole |
| טמפרטורת פעולה | -40 C to +85 C (industrial grade, -I) |
| Low-Power Technology | nanoWatt (Run, Idle, Sleep) |
תצורת פינים של PIC18F4480-I/P
| פין 1 | MCLR/VPP/RE3 — Master Clear (Reset) input or programming voltage (5 V tolerance through resistor) |
| פין 2 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| פין 3 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| פין 4 | RA2/AN2/VREF- — PORTA bit 2 / analog input 2 / negative reference |
| פין 5 | RA3/AN3/VREF+ — PORTA bit 3 / analog input 3 / positive reference |
| פין 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| פין 7 | RA5/AN4/SS — PORTA bit 5 / analog input 4 / SPI slave select |
| פין 8 | RE0/RD/AN5 — PORTE bit 0 / parallel read control / analog input 5 |
| פין 9 | RE1/WR/AN6 — PORTE bit 1 / parallel write control / analog input 6 |
| פין 10 | RE2/CS/AN7 — PORTE bit 2 / parallel chip select / analog input 7 |
| פין 11 | VDD — Digital supply voltage (+5 V) |
| פין 12 | VSS — Digital ground reference |
| פין 13 | OSC1/CLKIN — Crystal/resonator input or external clock input |
| פין 14 | OSC2/CLKOUT — Crystal/resonator output or clock output |
| פין 15 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / Timer1 external clock |
| פין 16 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / Capture-Compare-PWM 2 |
| פין 17 | RC2/CCP1 — PORTC bit 2 / Capture-Compare-PWM 1 |
| פין 18 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| פין 19 | RD0/PSP0 — PORTD bit 0 / parallel slave port bit 0 (data) |
| פין 20 | RD1/PSP1 — PORTD bit 1 / parallel slave port bit 1 (data) |
| פין 21 | RD2/PSP2 — PORTD bit 2 / parallel slave port bit 2 (data) |
| פין 22 | RD3/PSP3 — PORTD bit 3 / parallel slave port bit 3 (data) |
| פין 23 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| פין 24 | RC5/SDO — PORTC bit 5 / SPI data out |
| פין 25 | RC6/TX/CK — PORTC bit 6 / USART asynchronous transmit / synchronous clock |
| פין 26 | RC7/RX/DT — PORTC bit 7 / USART asynchronous receive / synchronous data |
| פין 27 | RD4/PSP4 — PORTD bit 4 / parallel slave port bit 4 (data) |
| פין 28 | RD5/PSP5/P1B — PORTD bit 5 / parallel slave port bit 5 (data) / PWM1 output B |
| פין 29 | RD6/PSP6/P1C — PORTD bit 6 / parallel slave port bit 6 (data) / PWM1 output C |
| פין 30 | RD7/PSP7/P1D — PORTD bit 7 / parallel slave port bit 7 (data) / PWM1 output D |
| פין 31 | VSS — Digital ground reference |
| פין 32 | VDD — Digital supply voltage (+5 V) |
| פין 33 | RB0/INT0 — PORTB bit 0 / external interrupt 0 |
| פין 34 | RB1/INT1 — PORTB bit 1 / external interrupt 1 |
| פין 35 | RB2/INT2/CANTX — PORTB bit 2 / external interrupt 2 / ECAN transmit |
| פין 36 | RB3/CANRX — PORTB bit 3 / ECAN receive |
| פין 37 | RB4 — PORTB bit 4 (interrupt-on-change) |
| פין 38 | RB5 — PORTB bit 5 (interrupt-on-change) |
| פין 39 | RB6/PGC — PORTB bit 6 / ICSP clock |
| פין 40 | RB7/PGD — PORTB bit 7 / ICSP data |
יישומים טיפוסיים
PIC18F4480-I/P מתאים עבור 6 יישוםs: Industrial CAN Bus Sensor Nodes, Building Automation and HVAC Control, Automotive Body Control Modules, USB / CAN Gateway and Protocol Bridge, Low-Cost Industrial Data Acquisition, Through-Hole Education and Prototyping Boards.
Industrial CAN Bus Sensor Nodes
The PIC18F4480-I/P's integrated ECAN 2.0B active peripheral makes it a natural fit for industrial CAN-based sensor nodes - the kind of compact low-cost modules that hang off a CAN backbone to report temperature, pressure, or digital state at 10-500 kbit/s. Its 16 KB Flash, 768 B SRAM, and 256 B EEPROM accommodate a CANopen device stack, a small driver, and persistent node-ID / calibration storage without external memory. At 40 MHz Fosc the 10 MIPS throughput leaves headroom for sensor pre-processing at each polled or time-triggered interval; at under $10 the part beats discrete CAN controllers in cost. Pay attention to the CAN bus termination - 120 ohm at each end of the bus - and ensure the system's Fosc configuration matches the crystal by programming the configuration bits at startup.
מומלץ
Building Automation and HVAC Control
In small building automation controllers (HVAC, lighting, access control), the PIC18F4480-I/P's 36 I/O lines drive 5 V relays, triacs, and LED drivers directly through discrete outputs without external buffers. The 10-bit ADC with up to 13 input channels reads thermistors, photocells, and current sensors; CCP/ECCP modules drive PWM outputs for damper actuators, variable-speed fans, and 0-10 V lighting dimmers. The 256-byte Data EEPROM is ideal for storing tenant schedules and commissioning parameters across power cycles. Operating from 4.2 V to 5.5 V matches common 5 V regulated supplies; for installations with battery backup, the nanoWatt deep sleep current keeps the RTC clock ticking while drawing minimal standby current.
מומלץ
Automotive Body Control Modules
The PIC18F4480-I/P's ECAN module and 40-pin PDIP form factor suit interior automotive body-control modules - such as window lift controllers, seat controllers, and lighting nodes distributed across a CAN bus. Its operating temperature grade (-40 C to +85 C industrial) covers cabin and most under-hood locations when paired with proper thermal design; the extreme under-hood environments may require extended-grade parts. The 768 B SRAM with hardware multiplication and a 40 MHz Fosc give enough CPU headroom to handle time-deterministic CAN receive and PWM actuator control concurrently, and the 10-bit ADC monitors seat motor current, ambient light, and switch inputs. The EEPROM retains calibration across fuse-unplug events, which is critical for trim and zone memory.
מומלץ
USB / CAN Gateway and Protocol Bridge
Used as a low-cost CAN-to-UART or CAN-to-SPI protocol bridge, the PIC18F4480-I/P exposes its ECAN messages to a host through one of its serial ports, offloading both protocol stacks from the host MCU. The two CCP and three ECCP modules can also produce hardware PWM for additional driver I/O. At 16 KB Flash and 768 B SRAM the firmware fits a small protocol converter, and the 256-byte EEPROM preserves bridge configuration across power cycles. The DIP-40 footprint supports hand-wired prototypes and field-installable retrofits where industrial controllers need a quick CAN-interface stack.
מומלץ
Low-Cost Industrial Data Acquisition
The PIC18F4480-I/P's 13-channel 10-bit ADC and 36 I/O lines are a flexible platform for small-scale industrial data acquisition units reading strain gauges, thermistors, and 4-20 mA loop signals at modest sample rates. The 768-byte SRAM is sufficient for circular buffers in polled data loggers; for streaming at higher rates the PIC18F4580 doubles that buffer. The nanoWait idle mode lets the part wake on CCP comparator change for battery-backed remote monitoring. Its 4.2-5.5 V supply matches typical industrial 5 V rails - including the common rectified-24 V-input then regulator chain - so existing power supplies can be re-used without redesign.
מומלץ
Through-Hole Education and Prototyping Boards
The PIC18F4480-I/P's 40-pin PDIP package fits standard breadboards and 0.1-inch proto-boards, making it a favourite for engineering courses, maker projects, and field repair. The visible pinout lets students trace signals directly with oscilloscope probes, and the through-hole pads survive repeated insertion cycles for lab use. MPLAB X IDE with PICkit 4 or PICkit 3 programmers supports in-circuit debug; the 256-byte EEPROM offers safe place to keep student lab work; the 16 KB Flash accommodates substantial lab projects such as PWM motor control, ADC data logging, and ECAN demos. Pin-40 PDIP is great when hand-soldering or socketed replacement is required.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור PIC18F4480-I/P — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | PIC18F4580-I/P | PIC18F4420-I/P | PIC18F45K80-I/P | PIC18F44K20-I/P |
|---|---|---|---|---|---|
| Package | 40-pin PDIP | 40-pin PDIP (same) | 40-pin PDIP (same) | 40-pin PDIP (same) | 40-pin PDIP (same) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 16 KB | 32 KB | 16 KB | 32 KB | 16 KB |
| RAM | 768 B | 1.5 KB | 768 B | 3.6 KB | 768 B |
| Data EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B |
| CAN Module | ECAN 2.0B active | ECAN 2.0B active | None (no CAN) | ECAN 2.0B active | None (no CAN) |
| USB Module | None | None | None | None | None |
| Operating Voltage | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Low-Power Technology | nanoWatt | nanoWatt XLP | nanoWatt | nanoWatt XLP | nanoWatt XLP |
| Pin Count / Package | 40-PDIP | 40-PDIP | 40-PDIP | 40-PDIP | 40-PDIP |
מבדילים עיקריים
- Integrated Enhanced CAN (ECAN) 2.0B on a 40-pin PDIP (לעומתPIC18F4420-I/P)
- Through-hole 40-pin PDIP for breadboard-friendly prototyping (לעומתPIC18F4480-I/ML)
- Modern 32 KB / 3.6 KB / nanoWatt XLP drop-in upgrade path (לעומתPIC18F45K80-I/P)
- 5 V single-supply operation without external regulator components (לעומתPIC18LF4480 variant)
הערות תכנון
The PIC18F4480-I/P operates from 4.2 V to 5.5 V; feed both VDD pins (11 and 32) with a common 5 V rail and place a 0.1 uF ceramic bypass within 5 mm of each VDD/VSS pair. Estimated: total VDD core current at Fosc = 40 MHz and all peripherals running is about 15 mA (based on datasheet DC/AC characteristics), so a 5 V 50 mA regulator is plenty of headroom for small designs. For better noise immunity on ADC readings, also place 10 uF tantalum or ceramic within 25 mm of the pins.
Route the ECAN CANTX (RB2) and CANRX (RB3) net as differential pair with controlled 120 ohm impedance; terminate each end of the bus with 120 ohm resistors within a few millimeters of the bus pins. Match lengths well, keep stub lengths under 30 mm, and isolate from switching supplies. The MCLR/RE3 pin (pin 1) should be tied to VDD via 10 kohm and pulled low by a 0.1 uF-capacitor-and-button reset; do not leave MCLR floating.
Configuration bits must be set at programming time: failure to set the Fosc, watchdog timeout (WDT), low-voltage-programming (LVP) enable, and brown-out reset (BOR) bits is the most common new-user lockout with PIC18F4480-I/P. Disable the watchdog timer (SWDTEN = 0 in WDTCON) if it is not part of the design. Leave the JTAG control bits at the default disabled state; accidentally enabling LVP can prevent high-voltage programming from working later. For ECAN applications, set CANCTRL to the desired mode (Normal, Loopback, etc.) before opening the bus.
Operating temperature range is -40 C to +85 C (industrial grade). Estimated: a 5 V DIP-40 at 15 mA total internal dissipation gives 75 mW which is well below the 1 W absolute maximum, so no special thermal board design is required for room-temperature prototyping. In enclosed industrial enclosures, allow some air flow to keep temperature rise below 10 C above ambient. For motorized or high-vibration automotive deployments, use a conformal coating or consider socketed mechanical retention for the DIP-40 footprint.
מידע על תאימות
Industrial-grade PIC18F4480-I/P is not AEC-Q100 qualified - PIC automotive ECU designs must use a higher-grade part. RoHS / REACH compliance status was not reported in the verified web data and must be confirmed against the Microchip product page or distributor environmental declaration.
