PIC18F4480T-I/PT - 8-bit 40MHz 16KB Flash MCU 44-TQFP | Microchip
MPN: PIC18F4480T-I/PT ✓ نشطPIC18F4480T-I/PT نظرة عامة
An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, memory, and peripherals around an 8-bit data path. The PIC18F family sits within the broader taxonomy of microcontroller -> embedded controller -> semiconductor device, and is widely used where deterministic real-time response and simple peripheral integration are required. The 'F' suffix designates Flash-based program memory (reprogrammable in-circuit), while the '4480' pin-count suffix denotes a 40/44-pin variant within the family.
Key features of the PIC18F4480T-I/PT include an integrated 10-bit A/D converter (nanoWatt technology), enhanced capture/compare/PWM (ECCP) modules, multiple timers, USART, MSSP (SPI/I2C) peripherals, and a CAN module that distinguishes this 4480 variant from sibling PIC18F2480/2580 devices. The 'T' suffix in the part number indicates Tape and Reel packaging, and the 'I' indicates the industrial temperature range of -40C to +85C.
Typical applications include industrial control systems, automotive body and powertrain nodes, sensor interfacing, motor control (via ECCP/PWM), and CAN-b networked embedded designs. The wide operating voltage and industrial temperature grade make the PIC18F4480T-I/PT well-suited to factory automation and harsh-environment deployments.
When designing with this part, allocate decoupling capacitors of 0.1 uF plus 10 uF near each supply pin and follow Microchip's recommended layout for the analog VREF/AVDD rails. Designers migrating from PIC18F2480/2580 to PIC18F4480 should verify the additional CAN peripheral and pin mapping for port B/D differences.
This page synthesizes distributor pricing, pin-compatible drop-in alternatives within the PIC18F family, and practical design notes not found in the standalone manufacturer datasheet.
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الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع PIC18F4480T-I/PT (نفس عامل الشكل والبصمة) — يختلف في Operating Temperature, Package, ADC, Timers, Communication.
PIC18F4480-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F4580T-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F4480T-I/ML
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F4455-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F4458-I/ML
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F4423-E/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F43K22-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18F4480T-I/PT الحدود القصوى والخصائص الكهربائية
| Core | PIC18F, 8-bit |
| Clock Speed (Max) | 40 MHz |
| Program Memory (Flash) | 16 KB (8K x 16) |
| RAM | 768 B |
| EEPROM | 256 B |
| جهد التغذية | 4.2 V to 5.5 V |
| I/O Pins | 36 |
| A/D Converter | 10-bit, integrated |
| العلبة | 44-pin TQFP (10x10 mm) |
| نوع التركيب | Surface Mount |
| درجة حرارة التشغيل | -40C to +85C (Industrial) |
| Peripherals | ECCP, USART, MSSP (SPI/I2C), CAN |
| Power-Saving Mode | nanoWatt Technology |
| Packaging Form | Tape & Reel ('T' suffix) |
| حالة RoHS | Compliant |
تكوين أطراف PIC18F4480T-I/PT
| دبوس 1 | RC7/RX/DT — Digital I/O / EUSART RX / CCP data |
| دبوس 2 | RD4/PSP4 — Digital I/O / Parallel Slave Port bit 4 |
| دبوس 3 | RD5/PSP5 — Digital I/O / Parallel Slave Port bit 5 |
| دبوس 4 | RD6/PSP6/TX/CK — Digital I/O / PSP bit 6 / EUSART TX/CLK |
| دبوس 5 | RD7/PSP7 — Digital I/O / Parallel Slave Port bit 7 |
| دبوس 6 | AVSS — Analog ground reference |
| دبوس 7 | AVDD — Analog supply voltage (+5V) |
| دبوس 8 | VREF-/CVREF — ADC low reference / comparator reference |
| دبوس 9 | VREF+/AN3 — ADC high reference / analog input 3 |
| دبوس 10 | AN2 — Analog input 2 |
| دبوس 11 | AN1 — Analog input 1 |
| دبوس 12 | AN0 — Analog input 0 |
| دبوس 13 | OSC1/CLKI/RA7 — Crystal input / ext clock / digital I/O |
| دبوس 14 | OSC2/CLKO/RA6 — Crystal output / clock out / digital I/O |
| دبوس 15 | T0CKI/RC0 — Timer0 clock input / digital I/O |
| دبوس 16 | CCP2/RC1 — CCP2 PWM/capture / digital I/O |
| دبوس 17 | CCP1/RC2 — CCP1 PWM/capture / digital I/O |
| دبوس 18 | SCL/SCK/RC3 — I2C clock / SPI clock / digital I/O |
| دبوس 19 | SDA/SDI/RC4 — I2C data / SPI data in / digital I/O |
| دبوس 20 | SDO/RC5 — SPI data out / digital I/O |
| دبوس 21 | TX/CK/RC6 — EUSART TX / clock / digital I/O |
| دبوس 22 | RX/DT/RC7 — EUSART RX / data / digital I/O |
| دبوس 23 | C1OUT/RB3 — Comparator 1 output / digital I/O |
| دبوس 24 | INT0/AN4/RB0 — External interrupt 0 / analog in / digital I/O |
| دبوس 25 | INT1/AN5/RB1 — External interrupt 1 / analog in / digital I/O |
| دبوس 26 | INT2/AN6/RB2 — External interrupt 2 / analog in / digital I/O |
| دبوس 27 | PGM/RB4 — Low-voltage ICSP programming / digital I/O |
| دبوس 28 | PGC/RB5 — ICSP clock / digital I/O |
| دبوس 29 | PGD/RB6 — ICSP data / digital I/O |
| دبوس 30 | PGM/RB7 — Low-voltage ICSP programming / digital I/O |
| دبوس 31 | VDD — Digital supply voltage (+5V) |
| دبوس 32 | VSS — Digital ground |
| دبوس 33 | RD0/PSP0 — Digital I/O / Parallel Slave Port bit 0 |
| دبوس 34 | RD1/PSP1 — Digital I/O / Parallel Slave Port bit 1 |
| دبوس 35 | RD2/PSP2 — Digital I/O / Parallel Slave Port bit 2 |
| دبوس 36 | RD3/PSP3 — Digital I/O / Parallel Slave Port bit 3 |
| دبوس 37 | CANRX/RC8 — CAN bus RX input / digital I/O |
| دبوس 38 | CANTX/RC9 — CAN bus TX output / digital I/O |
| دبوس 39 | CVREF/AN7/RB8 — Comparator VREF / analog in / digital I/O |
| دبوس 40 | RE0/RD — Digital I/O / Parallel Port read control |
| دبوس 41 | RE1/WR — Digital I/O / Parallel Port write control |
| دبوس 42 | RE2/CS — Digital I/O / Parallel Port chip select |
| دبوس 43 | VDD — Digital supply voltage (+5V) |
| دبوس 44 | MCLR/VPP/RB5 — Master clear / programming voltage / digital I/O |
التطبيقات النموذجية
PIC18F4480T-I/PT مناسب لـ 6 التطبيقs: Industrial CAN-Bus Network Nodes, Automotive Aftermarket Body Controllers, Sensor Interface & Data Acquisition, Motor Control (PWM/ECCP), Building Automation & HVAC, Embedded Control Education & Prototyping.
Industrial CAN-Bus Network Nodes
The PIC18F4480T-I/PT is ideal for industrial CAN-bus network nodes thanks to its integrated hardware CAN 2.0B controller, 40 MHz / 10 MIPS performance, and industrial -40C to +85C temperature range. The 16 KB Flash accommodates mid-sized CANopen or DeviceNet stacks, while 768 bytes of SRAM is sufficient for typical message buffers. Placed at each sensor/actuator node, the MCU handles protocol framing in hardware, freeing the core for application logic. The on-chip 10-bit ADC digitizes analog sensor signals without an external converter, and the 5 V supply matches industrial 24V-bus rails regulated down via a switching pre-regulator.
موصى به
Automotive Aftermarket Body Controllers
The PIC18F4480T-I/PT suits aftermarket automotive body-control modules (lighting, door, HVAC) because of its 36 I/O pins, hardware CAN interface, and industrial temperature rating. The 40 MHz core easily handles LIN/CAN gateway logic, while ECCP/PWM outputs drive LED dimmers, motor bridges and relay drivers. Unlike OEM-qualified parts, this MCU is intended for aftermarket accessories rather than safety-critical OEM ECUs. The wide 4.2-5.5V supply range matches 12V automotive rails regulated through a 5V LDO such as MCP1792. The 16 KB Flash is sufficient for typical body-control firmware with CAN/LIN stack.
موصى به
Sensor Interface & Data Acquisition
The PIC18F4480T-I/PT is well matched to multi-channel sensor-interface and data-acquisition front ends because of its integrated 10-bit A/D converter (multiple channels), 36 digital I/O pins for switch/status monitoring, and USART/MSSP peripherals for external sensor communication. Placed between an analog sensor array and a host controller, the MCU digitizes analog signals via its ADC, applies digital filtering in firmware, and forwards formatted data over SPI/UART. The nanoWatt power-saving mode reduces quiescent current between acquisitions - critical for battery-powered field sensors. The 16 KB Flash accommodates lookup tables and calibration constants.
موصى به
Motor Control (PWM/ECCP)
The PIC18F4480T-I/PT handles small DC and stepper motor control via its Enhanced Capture/Compare/PWM (ECCP) modules, which generate hardware PWM with programmable dead-band and fault inputs. With 40 MHz clock and hardware PWM, the MCU produces stable switching frequencies up to 10 kHz with minimal CPU overhead. The 36 I/O pins provide plenty of headroom for Hall-sensor inputs, direction-control signals and gate-driver outputs. Placed between a 5 V logic rail and an H-bridge driver such as the MCP1755, the MCU implements closed-loop speed control via ADC feedback from current-sense amplifiers. The 16 KB Flash holds motor-control state machines and tuning parameters.
موصى به
Building Automation & HVAC
The PIC18F4480T-I/PT fits building-automation and HVAC controller designs where its 36 I/O, hardware CAN bus and industrial temperature rating provide reliable communication with field devices. The MCU acts as a zone controller, reading temperature/humidity sensors via ADC and I2C peripherals, controlling damper actuators via PWM, and reporting to a central BMS over CAN. The 40 MHz performance handles multiple control loops simultaneously. The wide 4.2-5.5V supply tolerance accommodates regulated 24V AC/DC building power. The 16 KB Flash supports standard HVAC control firmware including fault logging and PID loops.
موصى به
Embedded Control Education & Prototyping
The PIC18F4480T-I/PT is widely used in embedded-systems education and rapid prototyping because of Microchip's mature toolchain (MPLAB X IDE, XC8 compiler, ICD debugger) and the PIC18 family's gentle learning curve. With 40 MHz performance, 36 I/O pins, on-chip ADC and CAN, students can experiment with real-time control, networking and mixed-signal designs on a single chip. The TQFP-44 package is breadboard-friendly with appropriate breakout boards. The 16 KB Flash fits typical coursework projects; the same 44-TQFP footprint upgrades to PIC18F4580 for larger projects. The industrial temperature rating means student designs transfer directly to commercial hardware.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ PIC18F4480T-I/PT — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | PIC18F4480-I/PT | PIC18F4580T-I/PT | PIC18F4480T-I/ML | PIC18F4455-I/PT | PIC18F43K22-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-pin TQFP (10x10) | 44-pin TQFP - same | 44-pin TQFP - same | 44-pin QFN (8x8) | 44-pin TQFP - same | 44-pin TQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 16 KB | 16 KB | 32 KB | 16 KB | 24 KB | 8 KB |
| RAM | 768 B | 768 B | 1536 B | 768 B | 2 KB | 512 B |
| Max Clock Speed | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 48 MHz | 64 MHz |
| CAN Module | Yes (hardware) | Yes | Yes | Yes | No | No |
| Supply Voltage | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 2.0 V to 5.5 V | 2.3 V to 5.5 V |
| Temperature Range | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| I/O Pins | 36 | 36 | 36 | 36 | 36 | 36 |
أبرز الفروقات
- Tube vs Tape-and-Reel packaging variant for SMT assembly lines (مقابلPIC18F4480-I/PT)
- Double Flash for larger firmware stacks (مقابلPIC18F4480T-I/PT (this product))
- Lower-power 2.0-5.5V operation across the full voltage range (مقابلPIC18F4455-I/PT)
- Integrated CAN 2.0B hardware controller (مقابلPIC18F43K22-I/PT)
ملاحظات التصميم
Place a 0.1 uF decoupling capacitor within 5 mm of each VDD pin (pins 31 and 43 on the TQFP-44) and a bulk 10 uF tantalum or ceramic capacitor on the same supply rail. The AVDD/AVSS analog supply pair (pins 7/6) requires its own 0.1 uF + 10 uF decoupling network and should be filtered from the digital VDD via a ferrite bead or 10 ohm resistor for ADC accuracy. Estimated: at 40 MHz with all peripherals enabled, VDD current is roughly 25-35 mA per the Microchip PIC18F4480 datasheet DC characteristics.
The TQFP-44 (10x10) package has theta_JA of approximately 45 C/W in still air. Estimated: at typical 5V/30mA operation the part dissipates ~150 mW, yielding a junction temperature rise of ~7 C above ambient - well within the -40C to +85C industrial range. For enclosed designs with restricted airflow, provide thermal copper pours beneath the exposed pad area to reduce theta_JA. The QFN-44 variant (PIC18F4480T-I/ML) has a thermal pad that must be soldered to a copper ground plane for proper heat dissipation.
Route the analog AVSS/AVDD traces separately from digital VDD/VSS - use a star-ground topology with the analog ground return at the MCU's AVSS pin. Keep ADC analog input traces (AN0-AN7) short and away from switching signals such as PWM outputs (ECCP) and crystal traces. The crystal pins OSC1/OSC2 (13/14) should be guarded by a ground ring on both sides and the load capacitors placed within 3 mm of the MCU. For CAN bus designs, keep CANRX/CANTX (pins 37/38) traces short and matched in length to the MCP2551 transceiver.
Do NOT connect MCLR (pin 44) directly to VDD - always use the recommended 10 kohm pull-up to VDD plus a 100 nF cap to ground for noise immunity; direct connection disables in-circuit programming. The PGC/PGD pins (RB6/RB7, pins 29/30) must be isolated from external circuitry during ICSP programming or debugging sessions fail. When using the internal ADC, add 1-10 ms software delays after channel-switch to allow the sample-and-hold capacitor to settle per the Microchip datasheet AC characteristics.
For CAN bus designs, verify the CAN bit-timing registers match the network baud rate using the Microchip CAN bit-rate calculator tool - common mistakes include miscalculated BRP values that cause bit-stuffing errors. The MCP2551 transceiver should be placed within 50 mm of the MCU's CANRX/CANTX pins to keep stub lengths short. Add a 120 ohm termination resistor at each end of the CAN bus, not at the MCU. For MSSP SPI operation above 5 MHz, keep SCK/SDO/SDI trace lengths below 30 mm and use series 33 ohm damping resistors near the MCU pins.
معلومات الامتثال
RoHS compliant per Microchip product page; not AEC-Q100 qualified - this MCU is intended for industrial and aftermarket automotive, not OEM safety-critical automotive deployments