PIC18F4580-E/PT - 40MHz 8-bit MCU w/ ECAN, 32KB Flash TQFP-44
MPN: PIC18F4580-E/PT ✓ نشطPIC18F4580-E/PT نظرة عامة
A PIC microcontroller is a class of 8-bit Harvard-architecture microcontrollers from Microchip that combine a RISC instruction set, on-chip Flash program memory, integrated peripherals (ADC, timers, communications), and a separate data bus for instruction and data fetches. PIC microcontrollers sit within the broader taxonomy of embedded controllers -> microcontrollers (MCUs) -> microprocessors and integrated circuits (ICs), and are widely deployed in automotive, industrial, and consumer applications where deterministic real-time performance, low power, and a mature toolchain (MPLAB X IDE, MPLAB XC8 compiler, ICD in-circuit debuggers) are essential.
Key features include the ECAN module supporting CAN 2.0B active/passive with hardware filtering, Capture/Compare/PWM (CCP) and Enhanced CCP (ECCP) peripherals, two USART modules with LIN support, an MSSP module for SPI and I2C (master/slave), 36 digital I/O pins, and nanoWatt Technology with multiple power-managed modes (Run, Idle, Sleep). The integrated 10-bit ADC offers up to 13 channels and 100K samples per second, suitable for sensor signal acquisition.
The architecture is based on a 16-bit instruction word with an 8-bit data path, an internal 31-level hardware stack, and a priority-level interrupt controller. The device operates across 2.0V to 5.5V (F-range) or 4.2V to 5.5V (E-extended) supply rails, with extended temperature range of -40C to +125C for the -E variant, making it a workhorse for automotive under-hood and industrial environments. In-system programming via ICSP and ICD debug are both natively supported.
Typical applications include CAN-based automotive body and chassis networks (ECUs, instrument clusters, gateways), industrial CAN-bus nodes (sensor networks, motor control, factory automation), HVAC controls, and remote sensor data loggers. The combination of ECAN, multiple serial interfaces, and nanoWatt power modes makes it well suited to distributed nodes on a CAN network. When designing with this part, allocate the ECAN I/O pins (CANTX/CANRX) carefully because they cannot be remapped; ensure the 5V supply rail is decoupled with at least 100nF + 10uF close to the VDD pins, and follow Microchip AN1245 (ECAN) guidelines for bus termination.
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الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع PIC18F4580-E/PT (نفس عامل الشكل والبصمة) — يختلف في Package, Core Architecture, Operating Temperature, Timers, ADC.
PIC18F4580-I/PT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
PIC18F4680-E/PT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
PIC18F4580T-E/PT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
PIC18F4580-E/P
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عرض ورقة البيانات ←PIC18F4480-E/PT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
PIC18F4580-E/PT الحدود القصوى والخصائص الكهربائية
| Family | PIC18F |
| Core | 8-bit PIC RISC |
| Program Memory (Flash) | 32 KB (16K x 16) |
| RAM | 1536 bytes |
| EEPROM | 256 bytes |
| Maximum Clock Speed | 40 MHz |
| MIPS | 10 MIPS |
| Supply Voltage (E - extended) | 4.2 V to 5.5 V |
| I/O Pins | 36 |
| ADC | 10-bit, up to 13 channels |
| ADC Sampling Rate | 100K samples/sec |
| CAN | ECAN (CAN 2.0B active/passive) |
| USART | 2 modules with LIN support |
| MSSP (SPI/I2C) | 1 module, SPI + I2C master/slave |
| CCP / ECCP | 1 CCP + 1 ECCP |
| Timers | 4 (Timer0/1/2/3) |
| العلبة | TQFP-44 (10x10 mm) |
| درجة حرارة التشغيل | -40C to +125C (E variant) |
| نوع التركيب | Surface Mount |
| حالة RoHS | Compliant |
| Programming | ICSP, ICD |
تكوين أطراف PIC18F4580-E/PT
| دبوس 1 | MCLR — Master Clear (Reset) input, active-low |
| دبوس 2 | RA0/AN0 — PORTA bit 0 / Analog input 0 |
| دبوس 3 | RA1/AN1 — PORTA bit 1 / Analog input 1 |
| دبوس 4 | RA2/AN2/VREF- — PORTA bit 2 / Analog input 2 / ADC VREF- |
| دبوس 5 | RA3/AN3/VREF+ — PORTA bit 3 / Analog input 3 / ADC VREF+ |
| دبوس 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| دبوس 7 | RA5/AN4/SS — PORTA bit 5 / Analog input 4 / SPI Slave Select |
| دبوس 8 | RE0/RD/AN5 — PORTE bit 0 / Read control for Parallel Slave Port / Analog input 5 |
| دبوس 9 | RE1/WR/AN6 — PORTE bit 1 / Write control for PSP / Analog input 6 |
| دبوس 10 | RE2/CS/AN7 — PORTE bit 2 / Chip Select for PSP / Analog input 7 |
| دبوس 11 | VDD — Positive supply voltage (4.2V to 5.5V) |
| دبوس 12 | VSS — Ground reference |
| دبوس 13 | OSC1/CLKI/RA7 — Oscillator crystal input / external clock input / PORTA bit 7 |
| دبوس 14 | OSC2/CLKO/RA6 — Oscillator crystal output / clock output / PORTA bit 6 |
| دبوس 15 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / Timer1 clock input |
| دبوس 16 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 I/O |
| دبوس 17 | RC2/CCP1 — PORTC bit 2 / ECCP1 output |
| دبوس 18 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| دبوس 19 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| دبوس 20 | RC5/SDO — PORTC bit 5 / SPI data out |
| دبوس 21 | RC6/TX/CK — PORTC bit 6 / USART1 async transmit / USART1 sync clock |
| دبوس 22 | RC7/RX/DT — PORTC bit 7 / USART1 async receive / USART1 sync data |
| دبوس 23 | RB0/INT0/FLT0 — PORTB bit 0 / External interrupt 0 / ECCP fault input |
| دبوس 24 | RB1/INT1 — PORTB bit 1 / External interrupt 1 |
| دبوس 25 | RB2/CANTX — PORTB bit 2 / ECAN transmit output |
| دبوس 26 | RB3/CANRX — PORTB bit 3 / ECAN receive input |
| دبوس 27 | RB4 — PORTB bit 4 |
| دبوس 28 | RB5/PGM — PORTB bit 5 / Low-voltage ICSP programming |
| دبوس 29 | RB6/PGC — PORTB bit 6 / ICSP clock / ICD clock |
| دبوس 30 | RB7/PGD — PORTB bit 7 / ICSP data / ICD data |
| دبوس 31 | VSS — Ground reference (second) |
| دبوس 32 | VDD — Positive supply voltage (second) |
| دبوس 33 | RD0/PSP0 — PORTD bit 0 / Parallel Slave Port data 0 |
| دبوس 34 | RD1/PSP1 — PORTD bit 1 / Parallel Slave Port data 1 |
| دبوس 35 | RD2/PSP2 — PORTD bit 2 / Parallel Slave Port data 2 |
| دبوس 36 | RD3/PSP3 — PORTD bit 3 / Parallel Slave Port data 3 |
| دبوس 37 | RD4/PSP4 — PORTD bit 4 / Parallel Slave Port data 4 |
| دبوس 38 | RD5/PSP5 — PORTD bit 5 / Parallel Slave Port data 5 |
| دبوس 39 | RD6/PSP6/TX2 — PORTD bit 6 / PSP data 6 / USART2 transmit |
| دبوس 40 | RD7/PSP7/RX2 — PORTD bit 7 / PSP data 7 / USART2 receive |
| دبوس 41 | AVDD — Analog positive supply |
| دبوس 42 | AVSS — Analog ground |
| دبوس 43 | NC — Not connected (per datasheet) |
| دبوس 44 | NC — Not connected (per datasheet) |
التطبيقات النموذجية
PIC18F4580-E/PT مناسب لـ 7 التطبيقs: Automotive CAN Body Electronics, Industrial CAN-Bus Sensor Nodes, HVAC Climate Control Systems, Instrument Cluster and Dashboard ECUs, Remote Sensor Data Loggers (CAN-Connected), Motor Control with CAN Feedback, Automotive Gateway and Bridge Nodes.
Automotive CAN Body Electronics
The PIC18F4580-E/PT is ideally suited for automotive body and chassis CAN nodes because its ECAN module implements CAN 2.0B active/passive with hardware acceptance filtering and three transmit mailboxes. The 36 digital I/O pins are sufficient to drive lights, switches, and relay drivers while reading digital sensors. At 40 MHz the core runs at 10 MIPS, easily handling LIN master stacks, OBD-II diagnostic framing, and CCP-based PWM fan or lighting control. The -40C to +125C extended temperature grade and 4.2 V to 5.5 V supply cover automotive 12 V rail cranking and load-dump transients when paired with a proper TVS/regulator front end. Compared with a basic 8-bit MCU without ECAN, this part eliminates the need for an external CAN controller and transceiver interface logic, reducing BOM cost and PCB area.
موصى به
Industrial CAN-Bus Sensor Nodes
In distributed industrial sensor networks, the PIC18F4580-E/PT's ECAN peripheral and 10-bit 13-channel ADC make it a single-chip solution for analog-sensor-to-CAN nodes. The ADC converts at 100K samples/sec with selectable reference, while ECAN streams converted values onto the bus with hardware time-stamping. The 36 I/O support multiple digital sensors, and nanoWatt Technology (Idle/Sleep modes) reduces quiescent current for battery or solar-powered remote nodes. The TQFP-44 package is hand-solderable for prototypes yet compatible with full SMT lines for production. Compared with a 32-bit Cortex-M0 + external CAN, the 4580 saves cost and firmware complexity while delivering adequate throughput for sensor telemetry at 100 Hz update rates typical of industrial CANopen or DeviceNet nodes.
موصى به
HVAC Climate Control Systems
The PIC18F4580-E/PT is well matched to HVAC control applications because of its combined ADC, ECCP PWM, and serial-interface richness. Multiple temperature/humidity sensors are digitized by the 10-bit ADC, while the ECCP drives TRIAC or IGBT gate signals for variable-speed blower and compressor control. Two USART modules support both a local HMI display (RS-232/RS-485) and a building-automation backbone (Modbus or BACnet). The 1536-byte SRAM is sufficient for scheduled-control loops, look-up tables for fan curves, and stack depth for interrupt-driven USART reception. nanoWatt Sleep mode lets the controller draw microamps during standby, an essential property for ENERGY-STAR-qualified HVAC systems. Compared with discrete logic controllers, this 4580-based design reduces component count and provides firmware-upgrade flexibility over ICSP without removing the board.
موصى به
Instrument Cluster and Dashboard ECUs
The PIC18F4580-E/PT can serve as a secondary display or gauge controller in automotive dashboards, offloading graphics rendering from a host head-unit MCU via SPI/I2C. The MSSP module talks to dedicated display-driver ICs, while ECCP drives gauge stepper motors or LED backlights. ECAN receives vehicle-speed, RPM, and fuel data from the central ECU over CAN at 500 kbps. The 32KB Flash accommodates full CAN J1939 stack, gauge sweep animations, and fault-handling code. The -E temperature rating tolerates cabin-temperature swings including direct sunload up to +125C, while the 44-pin TQFP keeps the PCB compact enough to fit behind a 3.5-inch TFT. Compared with a 16-bit MCU, this 4580 base lowers cost while still meeting the real-time rendering budget for small clusters.
موصى به
Remote Sensor Data Loggers (CAN-Connected)
For battery-powered remote sensor data loggers, the PIC18F4580-E/PT combines a low-power Sleep mode, ECAN for communication, and 256 bytes of EEPROM for non-volatile configuration storage. The 10-bit ADC digitizes slow-changing analog signals such as soil moisture, pressure, or temperature with programmable acquisition timing. ECAN wakes the device from Sleep via CAN activity, transmits a packet, and returns to Sleep - the entire transaction drains microamp-level current on average. The 32KB Flash accommodates TinyOS-style or custom scheduler code with over-the-air firmware update hooks over CAN. Compared with a discrete ADC + microcontroller + CAN controller design, this single-chip approach reduces PCB area by ~60% and BOM cost by ~40%.
موصى به
Motor Control with CAN Feedback
The PIC18F4580-E/PT integrates ECCP for PWM generation and ECAN for closed-loop feedback, making it a unified motor-controller platform for small BLDC or stepper systems. The ECCP module generates center-aligned 10-bit PWM at up to 40 MHz timer clock with programmable dead-band delay, while ECAN streams encoder position, current, and temperature back to a supervisory controller at 1 Mbps. The ADC samples motor current via shunt resistors through the 13 available channels. The 36 I/O drive direction logic, brake, and fault inputs. The -40C to +125C range and ECAN's hardware filtering make this part suitable for industrial servo drives where determinism and bus reliability matter. Compared with using a separate PWM controller + MCU, the 4580 integration cuts component count and improves PWM-to-CAN latency consistency.
موصى به
Automotive Gateway and Bridge Nodes
The PIC18F4580-E/PT's two USART modules, MSSP, and ECAN give it three independent serial interfaces, sufficient to act as a CAN-LIN-SPI gateway between sub-networks in a vehicle. The 32KB Flash fits protocol translation tables, and the 10 MIPS core executes state-machine routing with low latency. In a typical bridge use case, ECAN transports CAN frames while USART1 speaks LIN to body-control nodes and MSSP exchanges configuration with an external EEPROM or secure element. The TQFP-44 package leaves pins free for status LEDs, configuration jumpers, and an SWD-like debug header. Compared with an FPGA-based bridge, this 4580-based gateway dramatically reduces unit cost and power consumption for high-volume automotive ECUs.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ PIC18F4580-E/PT — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | PIC18F4580-I/PT | PIC18F4680-E/PT | PIC18F4580T-E/PT | PIC18F4480-E/PT |
|---|---|---|---|---|---|
| Package | TQFP-44 (10x10 mm) | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same | TQFP-44 (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Core / Architecture | 8-bit PIC18 RISC | 8-bit PIC18 RISC - same | 8-bit PIC18 RISC - same | 8-bit PIC18 RISC - same | 8-bit PIC18 RISC - same |
| Max Clock Speed | 40 MHz | 40 MHz - same | 40 MHz - same | 40 MHz - same | 40 MHz - same |
| Flash Memory | 32 KB | 32 KB - same | 64 KB (+100%) | 32 KB - same | 32 KB - same |
| RAM | 1536 bytes | 1536 bytes - same | 3328 bytes (+117%) | 1536 bytes - same | 1536 bytes - same |
| ECAN Module | Yes | Yes - same | Yes - same | Yes - same | No |
| Operating Temperature | -40C to +125C (E - extended) | -40C to +85C (I - industrial) | -40C to +125C (E - extended) | -40C to +125C (E - extended) | -40C to +125C (E - extended) |
| I/O Pins | 36 | 36 - same | 36 - same | 36 - same | 36 - same |
أبرز الفروقات
- Integrated ECAN hardware (مقابلPIC18F4480-E/PT)
- Extended temperature range for automotive/industrial (مقابلPIC18F4580-I/PT)
- 44-pin TQFP with maximum I/O in the family (مقابلPIC18F448-E/PT (40-pin))
ملاحظات التصميم
The PIC18F4580-E/PT operates from 4.2V to 5.5V on VDD (pins 11 and 32) and AVDD (pin 41). Decouple each VDD with 100nF + 10uF ceramic placed within 5 mm of the pin, and add 10uF + 100nF on AVDD. Tie the two VSS pins (12, 31) and AVSS (pin 42) to a single ground plane, but keep analog and digital grounds separated to one point near the MCU. nanoWatt Sleep mode drops quiescent current to sub-microamp levels - use CAN message-wake or external interrupt to exit Sleep without resetting state.
The TQFP-44 package has a thermal resistance of approximately 50 C/W (theta_JA) on a standard 4-layer JEDEC test board. At maximum operating current (~50 mA active, ~1 uA Sleep) the part dissipates less than 250 mW even at 5.5 V, so no heatsink is required. However, in sealed enclosures at +125C ambient, derate the maximum clock frequency below 25 MHz if the internal die temperature approaches the +150C junction limit. Use Sleep mode aggressively to keep average die temperature low.
Route the ECAN signals (CANTX/CANRX on RB2/RB3, pins 25/26) as a short differential pair directly to the MCP2551 or similar CAN transceiver, with 120 ohm termination at each end of the bus. The ICSP pins (PGC/PGM/PGD on RB6/RB5/RB7) must be brought out to a 5-pin header for ICD debug - do not place other loads on these pins. MCLR (pin 1) requires a 10 kohm pull-up to VDD and a 100 nF decoupling cap to ground to prevent spurious resets. Keep crystal traces (OSC1/OSC2, pins 13/14) short and surrounded by ground pour.
Common pitfalls with PIC18F4580-E/PT designs: (1) Forgetting CONFIG settings - LVP must be disabled to free RB5 for digital I/O unless using low-voltage programming; (2) Leaving CANTX/CANRX as analog by default - they must be configured as digital via TRISB; (3) ECAN requires configuration of the CANCON register family before any message transmission; (4) The ADC channel AN4 shares pin RA5 with SS - disable SS by clearing TRISA bit appropriately; (5) MCLR cannot be left floating - it requires a pull-up to VDD for normal operation.
For ECAN at 1 Mbps, place the MCP2551 within 50 mm of the PIC18F4580 and add a 120 ohm resistor between CANH and CANL at the bus ends. Avoid routing CAN traces parallel to noisy switching traces; if unavoidable, increase spacing to 3x the trace height or use a guard ground trace. The MSSP SPI signals (RC3/RC4/RC5) need 33 ohm series resistors when driving more than 50 mm of trace at 10 MHz or above - this damps ringing on the SDO/SDI/SCK lines.
معلومات الامتثال
RoHS compliant per Microchip product page. PIC18F4580-E/PT is not formally AEC-Q100 qualified per Microchip's automotive product catalog (qualification status varies by part number); for AEC-Q100 specifically, consult Microchip automotive-grade PIC18F parts list. Halogen-free per Microchip environmental compliance disclosure.