PIC18F8585-E/PT - 8-Bit 25MHz 48KB Flash MCU 80-TQFP | Microchip
MPN: PIC18F8585-E/PT ✗ Cuối đờiPIC18F8585-E/PT Tóm tắt
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path and Harvard architecture, integrating CPU core, program memory (Flash/ROM), data memory (RAM), non-volatile EEPROM, and a rich set of peripherals including timers, communication interfaces (UART, SPI, I2C), and analog-to-digital converters. PIC18F-series microcontrollers specifically sit in the hierarchy 8-bit MCU -> PIC micro -> microcontroller -> embedded computing -> semiconductor, and use Microchip's enhanced instruction set to deliver up to 10 MIPS at 40 MHz with 16-bit-wide instructions and single-cycle multiply.
Key features of the PIC18F8585-E/PT include a 12-channel 10-bit Analog-to-Digital Converter (ADC) with input multiplexing across up to 68 I/O pins, two Capture/Compare/PWM (CCP) modules plus an Enhanced CCP (ECCP), two USART modules with LIN support, an MSSP port configurable as SPI or I2C (master/slave), a CAN 2.0B module, four 8-bit timers and three 16-bit timers/watchdogs, two analog comparators, and a 16-bit Parallel Slave Port. It supports in-circuit serial programming (ICSP) and in-circuit debug (ICD) via two pins, and operates from 4.2 V to 5.5 V with industrial-grade ESD and latch-up performance.
Architecturally, the device uses an enhanced RISC core with 32-level hardware stack, 8x8 hardware multiplier, and a 16-bit instruction word optimized for deterministic interrupt response and C-compiler code density. The 80-pin TQFP exposes 68 digital I/O lines plus dedicated oscillator, programming, and analog reference pins. Power-managed modes include Run, Idle, and Sleep with multiple wake-up sources, enabling battery-friendly operation.
Typical applications include industrial control with CAN networking, automotive body and chassis ECUs, HVAC and building automation, motor control (BLDC and stepper), instrumentation front-ends, and any embedded design requiring abundant I/O plus on-chip CAN, ADC, and PWM peripherals. Compared with switching regulator solutions, the on-chip ADC and analog comparators avoid external analog front-end ICs in many designs.
When designing with the PIC18F8585-E/PT, use the MPLAB X IDE with the free XC8 compiler and MPLAB Code Configurator (MCC) for peripheral setup. Reserve dedicated pins for MCLR, OSC1/OSC2, AVSS/AVDD, and ensure decoupling capacitors are placed close to the supply pins. The '-E' temperature grade qualifies the part for -40C to +125C operation, distinguishing it from the standard 'I' grade.
This page synthesizes distributor stock and lead-time intelligence, drop-in and pin-compatible alternatives within the same 80-TQFP footprint, and engineering design notes that complement the manufacturer's datasheet to accelerate BOM selection and PCB redesign.
Bộ thay thế dễ dàng lắp đặt cho PIC18F8585-E/PT — 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 PIC18F8585-E/PT (cùng hình factor và footprint) — khác nhau ở Package, ADC, Operating Temperature, Timers, Core Architecture.
PIC18F8585-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F6585-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F8525T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F8520-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F67K90-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F8585-E/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC18F enhanced 8-bit RISC |
| Instruction Set | 16-bit wide, 8-bit data path |
| Program Flash | 48 KB (24K x 16 words) |
| Data RAM | 3,328 bytes |
| Data EEPROM | 1,024 bytes |
| Max CPU Frequency | 25 MHz (10 MIPS) |
| Supply Voltage (VDD) | 4.2 V to 5.5 V |
| Nhiệt độ hoạt động | -40 C to +125 C (Extended grade) |
| I/O Pins | 68 |
| ADC | 10-bit, up to 12 input channels |
| Timers | 4 x 8-bit + 3 x 16-bit |
| CCP / ECCP | 2 CCP + 1 ECCP |
| Communication | 2x USART, 1x MSSP (SPI/I2C), 1x CAN 2.0B |
| Analog Comparators | 2 |
| Parallel Slave Port | 16-bit |
| Hộp | 80-pin TQFP, 12 x 12 mm, 1.0 mm height |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 3 |
| Trạng thái RoHS | Compliant |
| Programming/Debug | ICSP + ICD via 2-wire |
Cấu hình chân PIC18F8585-E/PT
| Chân 1 | RG0 — PORTG bit 0 digital I/O |
| Chân 2 | RG1 — PORTG bit 1 digital I/O |
| Chân 3 | RG2 — PORTG bit 2 digital I/O |
| Chân 4 | RG3 — PORTG bit 3 digital I/O |
| Chân 5 | RG4 — PORTG bit 4 digital I/O |
| Chân 6 | MCLR — Master Clear reset input (active low) |
| Chân 7 | OSC1 — Oscillator input |
| Chân 8 | OSC2 — Oscillator output |
| Chân 9 | RA0/AN0 — PORTA bit 0 / analog input 0 |
| Chân 10 | RA1/AN1 — PORTA bit 1 / analog input 1 |
| Chân 11 | RA2/AN2 — PORTA bit 2 / analog input 2 |
| Chân 12 | RA3/AN3 — PORTA bit 3 / analog input 3 / Vref+ |
| Chân 13 | RA4/AN4 — PORTA bit 4 / analog input 4 |
| Chân 14 | RA5/AN5 — PORTA bit 5 / analog input 5 |
| Chân 15 | RE0/RD/AD8 — PORTE bit 0 / Parallel Slave Port |
| Chân 16 | RE1/WR/AD9 — PORTE bit 1 / Parallel Slave Port |
| Chân 17 | RE2/CS/AD10 — PORTE bit 2 / Parallel Slave Port |
| Chân 18 | VDD — Positive supply (4.2 V to 5.5 V) |
| Chân 19 | VSS — Ground reference |
| Chân 20 | RA6 — PORTA bit 6 / oscillator |
| Chân 21 | RA7 — PORTA bit 7 / oscillator |
| Chân 22 | RF0 — PORTF bit 0 / analog input 6 |
| Chân 23 | RF1 — PORTF bit 1 / analog input 7 |
| Chân 24 | RF2 — PORTF bit 2 / analog input 8 |
| Chân 25 | RF3 — PORTF bit 3 / analog input 9 |
| Chân 26 | RF4 — PORTF bit 4 / analog input 10 |
| Chân 27 | RF5 — PORTF bit 5 / analog input 11 |
| Chân 28 | RF6 — PORTF bit 6 / analog input 12 |
| Chân 29 | RF7 — PORTF bit 7 / analog input 13 |
| Chân 30 | AVSS — Analog ground |
| Chân 31 | AVDD — Analog positive supply |
| Chân 32 | RB0/INT0 — PORTB bit 0 / external interrupt 0 |
| Chân 33 | RB1/INT1 — PORTB bit 1 / external interrupt 1 |
| Chân 34 | RB2/INT2 — PORTB bit 2 / external interrupt 2 |
| Chân 35 | RB3/INT3 — PORTB bit 3 / external interrupt 3 |
| Chân 36 | RB4 — PORTB bit 4 |
| Chân 37 | RB5 — PORTB bit 5 |
| Chân 38 | RB6/PGC — PORTB bit 6 / ICSP clock |
| Chân 39 | RB7/PGD — PORTB bit 7 / ICSP data |
| Chân 40 | VDD — Positive supply (4.2 V to 5.5 V) |
| Chân 41 | VSS — Ground reference |
| Chân 42 | RC0/T1OSO — PORTC bit 0 / Timer1 oscillator out |
| Chân 43 | RC1/T1OSI — PORTC bit 1 / Timer1 oscillator in |
| Chân 44 | RC2/CCP1 — PORTC bit 2 / CCP1 PWM output |
| Chân 45 | RC3/SCL — PORTC bit 3 / I2C clock |
| Chân 46 | RC4/SDA — PORTC bit 4 / I2C data |
| Chân 47 | RC5 — PORTC bit 5 |
| Chân 48 | RC6/TX — PORTC bit 6 / USART TX |
| Chân 49 | RC7/RX — PORTC bit 7 / USART RX |
| Chân 50 | RD0/AD0 — PORTD bit 0 / Parallel Slave Port D0 |
| Chân 51 | RD1/AD1 — PORTD bit 1 / Parallel Slave Port D1 |
| Chân 52 | RD2/AD2 — PORTD bit 2 / Parallel Slave Port D2 |
| Chân 53 | RD3/AD3 — PORTD bit 3 / Parallel Slave Port D3 |
| Chân 54 | RD4/AD4 — PORTD bit 4 / Parallel Slave Port D4 |
| Chân 55 | RD5/AD5 — PORTD bit 5 / Parallel Slave Port D5 |
| Chân 56 | RD6/AD6 — PORTD bit 6 / Parallel Slave Port D6 |
| Chân 57 | RD7/AD7 — PORTD bit 7 / Parallel Slave Port D7 |
| Chân 58 | VSS — Ground reference |
| Chân 59 | VDD — Positive supply (4.2 V to 5.5 V) |
| Chân 60 | RC0 — PORTC alternate |
| Chân 61 | NC — Not connected (per datasheet) |
| Chân 62 | CANRX — CAN bus receive input |
| Chân 63 | CANTX — CAN bus transmit output |
| Chân 64 | RE3 — PORTE bit 3 |
| Chân 65 | RH0 — PORTH bit 0 |
| Chân 66 | RH1 — PORTH bit 1 |
| Chân 67 | RH2 — PORTH bit 2 |
| Chân 68 | RH3 — PORTH bit 3 |
| Chân 69 | RH4 — PORTH bit 4 |
| Chân 70 | RH5 — PORTH bit 5 |
| Chân 71 | RH6 — PORTH bit 6 |
| Chân 72 | RH7 — PORTH bit 7 |
| Chân 73 | RJ0 — PORTJ bit 0 |
| Chân 74 | RJ1 — PORTJ bit 1 |
| Chân 75 | RJ2 — PORTJ bit 2 |
| Chân 76 | RJ3 — PORTJ bit 3 |
| Chân 77 | RJ4 — PORTJ bit 4 |
| Chân 78 | RJ5 — PORTJ bit 5 |
| Chân 79 | RJ6 — PORTJ bit 6 |
| Chân 80 | RJ7 — PORTJ bit 7 |
Ứng dụng tiêu biểu
PIC18F8585-E/PT phù hợp cho 6 Áp dụngs: Industrial Control with CAN Networking, Automotive Body and Chassis ECU, HVAC and Building Automation, Motor Control (BLDC and Stepper), Instrumentation and Data Acquisition Front-End, Display and User-Interface Controllers.
Industrial Control with CAN Networking
The PIC18F8585-E/PT is purpose-built for industrial control nodes on a CAN 2.0B bus because it integrates a hardware CAN module plus 68 digital I/O, 3,328 bytes RAM, and a 10-bit ADC in a single 80-TQFP package. Placed on a sensor/actuator node, the CAN peripheral handles bus arbitration at up to 1 Mbps while the ADC samples analog inputs at 10 ksps and CCP/ECCP modules drive triac or PWM outputs. The -40 C to +125 C Extended temperature grade lets the same firmware deploy in cabinet, factory-floor, and outdoor enclosures without BOM changes.
Được đề xuất
Automotive Body and Chassis ECU
In automotive body controllers, the PIC18F8585-E/PT's 48 KB Flash and 3,328 bytes RAM comfortably hold a CAN stack plus LIN master/slave USART logic, while the Extended temperature grade survives underhood and cabin thermal extremes. Its 10 MIPS at 25 MHz compute headroom is sufficient for body-controller scheduling, debounced switch inputs via parallel slave port, and PWM-driven lighting actuators. The integrated 16-bit PSP lets a host processor offload low-latency I/O without burdening the main MCU.
Được đề xuất
HVAC and Building Automation
HVAC controllers benefit from the PIC18F8585-E/PT's combination of analog comparators for thermistor sensing, a 10-bit ADC with up to 12 channels for multi-zone temperature sampling, and ECCP PWM outputs for triac-fired heater and damper actuators. The 3,328 bytes RAM and 1,024 bytes EEPROM store scheduling tables and learned comfort profiles across power cycles. The Extended -40 C to +125 C grade covers rooftop and basement installations without derating the part selection.
Được đề xuất
Motor Control (BLDC and Stepper)
Stepper and BLDC motor control loops are well-served by the PIC18F8585-E/PT's two CCP plus one Enhanced CCP module generating complementary PWM with programmable dead time, plus 3,328 bytes RAM for state-machine controllers. The 25 MIPS throughput implements field-oriented control (FOC) software at moderate RPMs, while the 12-channel ADC simultaneously samples phase currents and back-EMF. Industrial-grade thermal headroom keeps the controller inside its junction limits inside sealed motor housings.
Được đề xuất
Instrumentation and Data Acquisition Front-End
Portable instrumentation leverages the PIC18F8585-E/PT's 10-bit ADC, 3,328 bytes RAM for sample buffers, and USART/SPI channels for tethered PC links or local display drivers. ICSP/ICD debugging lets firmware engineers iterate on calibration coefficients stored in the 1,024-byte EEPROM without removing the device from the board. The -40 C to +125 C grade supports outdoor test equipment, lab gear, and field-deployable measurement nodes.
Được đề xuất
Display and User-Interface Controllers
User-interface controllers for industrial HMIs pair the PIC18F8585-E/PT's 68 I/O pins with character or graphic LCDs, keypads, and indicator LEDs, all driven directly without external logic. The 16-bit Parallel Slave Port offloads scanning from a higher-end host MCU when used as a co-processor, while the USART channels drive RS-232/RS-485 to upstream PLCs. The Extended temperature grade supports outdoor kiosks, vehicle dashboards, and freezer-cooler displays.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18F8585-E/PT — 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 | PIC18F8585-I/PT | PIC18F6585-E/PT | PIC18F8525T-I/PT | PIC18F8520-I/PT | PIC18F67K90-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-80 (12x12 mm) | TQFP-80 (12x12 mm) - same | TQFP-80 (12x12 mm) - same | TQFP-80 (12x12 mm) - same | TQFP-80 (12x12 mm) - same | TQFP-64 (10x10 mm) - smaller |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Program Flash | 48 KB | 48 KB - same | 32 KB (-33%) | 48 KB - same | 32 KB (-33%) | 64 KB (+33%) |
| Data RAM | 3,328 bytes | 3,328 bytes - same | 2,048 bytes (-38%) | 2,048 bytes (-38%) | 1,536 bytes (-54%) | 4,096 bytes (+23%) |
| Max Frequency | 25 MHz (10 MIPS) | 40 MHz (16 MIPS) - faster | 40 MHz (16 MIPS) - faster | 40 MHz (16 MIPS) - faster | 40 MHz (16 MIPS) - faster | 64 MHz (16 MIPS) - faster |
| Temperature Grade | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| CAN Module | Yes (CAN 2.0B) | Yes | Yes | No | No | No |
| ADC Channels | 12 x 10-bit | 12 x 10-bit | 12 x 10-bit | 16 x 10-bit | 16 x 10-bit | 16 x 12-bit (better) |
| Pin Count | 80 | 80 - same | 80 - same | 80 - same | 80 - same | 64 (-16) |
Bảo phân biệt quan trọng
- Integrated CAN 2.0B controller plus Extended -40C to +125C temperature grade in 80-TQFP (vsPIC18F8525T-I/PT)
- Larger 3,328 bytes SRAM vs sibling 80-TQFP parts (vsPIC18F6585-E/PT)
- Extended temperature grade with same peripherals as the Industrial 'I' variant (vsPIC18F8585-I/PT)
Ghi chú thiết kế
Place a 100 nF decoupling capacitor within 5 mm of every VDD/VSS pair, plus a bulk 10 uF tantalum or ceramic on the main 5 V rail. The PIC18F8585-E/PT supports four supply pins (pin 18, 40, 59, plus AVDD); each must have its own local bypass. The analog supply AVDD should be filtered with a ferrite bead from VDD and bypassed with 100 nF plus 10 uF to AVSS to keep ADC noise below 1 LSB at 10-bit resolution.
Do not leave MCLR floating - the PIC18F8585-E/PT requires MCLR tied to VDD through a 10 kohm pull-up for normal operation, with a 100 nF cap to ground for noise immunity in electrically noisy industrial environments. ICSP clock (PGC, pin 38) and data (PGD, pin 39) share PORTB bit 6/7; ensure your application firmware releases these pins (TRISB bit set) before the programmer is connected or in-circuit debug will fail intermittently.
Estimated: at maximum clock (25 MHz) and full I/O toggling, the PIC18F8585-E/PT draws roughly 50 mA, dissipating 275 mW at 5.5 V VDD. With the TQFP-80 package theta_JA of approximately 45 C/W on a 4-layer JEDEC test board, the junction rises about 12 C above ambient. The Extended -40 C to +125 C grade accommodates up to 113 C ambient in worst-case sealed enclosures without active cooling.
Route the 25 MHz crystal traces (OSC1/OSC2, pins 7 and 8) as short as possible (under 10 mm) and surround them with a ground guard ring; keep these traces away from switching signals such as PWM outputs and CAN bus edges. The CANRX and CANTX pins (62 and 63 per datasheet) should route as a 100 ohm differential pair to the MCP2551 or similar CAN transceiver, with the bus termination 120 ohm resistors only at the cable ends.
When using the 16-bit Parallel Slave Port (PORTD plus PORTE bits 0-2), dedicate a contiguous 16-bit data bus plus three control lines (RD, WR, CS) and route them with matched lengths within 5 mm to avoid setup/hold violations on the host side. Reserve digital I/O on PORTF as the analog inputs so the analog mux lines stay short to AVSS/AVDD, minimizing ADC crosstalk during multi-channel sampling.
Thông tin tuân thủ
RoHS compliant per Microchip product page; Extended temperature grade is not equivalent to AEC-Q100 automotive qualification. New automotive designs should use AEC-Q100 qualified parts from the PIC18F K-series.
