PIC18F47Q83T-I/PT - 128KB Flash 8-bit MCU w/ CAN | Microchip
MPN: PIC18F47Q83T-I/PT ✓ Hoạt độngPIC18F47Q83T-I/PT Tóm tắt
An 8-bit PIC microcontroller (MCU) is a Harvard-architecture RISC processor widely used in embedded control for its deterministic instruction execution, low power consumption, and rich peripheral integration. Within the broader MCU taxonomy, 8-bit MCUs sit below 16-bit and 32-bit Cortex-M devices in computational capability but excel in cost-sensitive, real-time control applications. The PIC18 family adds enhanced peripherals, larger memory, and C compiler support (MPLAB XC8) while remaining pin-compatible with the legacy PIC16 baseline, making it a workhorse for industrial, automotive, and IoT designs.
Key features of the PIC18F47Q83T-I/PT include 128 KB self-programmable Flash with device ID protection, a 10-bit slope ADC2 with automated averaging, oversampling, and threshold comparison, a 5-bit DAC with internal reference, and four 16-bit PWM outputs. The device also exposes 36 digital I/O pins, four CWG (Complementary Waveform Generator) channels, and a Hardware Limit Timer for deterministic motor and lighting control. Operating voltage is 2.5 V to 5.5 V, and the operating temperature range is -40C to +85C (industrial grade).
The PIC18F47Q83 architecture combines the legacy PIC18 instruction set with modern CIP blocks, allowing developers to offload logic such as signal conditioning, motor commutation, and protocol handling from the CPU. The device supports up to 64 MHz operation from an internal 64 MHz HFINTOSC, eliminating external crystals in many designs, and integrates a CAN FD peripheral for automotive and industrial networking.
Typical applications include CAN node endpoints in industrial automation, BLDC motor control, LED lighting drivers, IoT sensor hubs, and USB-to-CAN bridges. The combination of CAN FD, PWM, and ADC2 with computation makes the PIC18F47Q83 particularly well-suited to sensor-rich, real-time control systems.
When designing with this MCU, budget carefully for the 44-pin TQFP footprint's thermal envelope. Although the part is low-power (typical active current below 10 mA at 64 MHz), high GPIO toggle rates and ADC sampling can raise junction temperature in enclosed housings. Decouple VDD with 100 nF ceramic caps adjacent to each power pin, and reserve RA5 as MCLR with a 10 kohm pull-up per Microchip's recommendation.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, enabling faster sourcing and design decisions.
Bộ thay thế dễ dàng lắp đặt cho PIC18F47Q83T-I/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 PIC18F47Q83T-I/PT (cùng hình factor và footprint) — khác nhau ở DAC, ADC, Package, Program Memory (Flash), Core.
PIC18F47Q83-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F47Q83-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F47Q43-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F46Q84-E/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F47K42-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC18F47Q83T-I/PT Tỷ lệ tối đa & tính chất điện
| Core | PIC18 8-bit RISC |
| Instruction Set | PIC18 (Harvard, 16-bit opcode) |
| Program Memory (Flash) | 128 KB |
| Data SRAM | 13 KB |
| Data EEPROM | 1 KB |
| Maximum CPU Frequency | 64 MHz |
| Operating Voltage | 2.5 V to 5.5 V |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| ADC | 12-bit ADC2 with Computation |
| DAC | 5-bit DAC with internal reference |
| Digital I/O Pins | 36 |
| CAN | 1 x CAN FD |
| PWM Channels | 4 x 16-bit |
| Serial Interfaces | I2C, SPI, UART |
| Hộp | 44-pin TQFP (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 3 |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC18F47Q83T-I/PT
| Chân 1 | RA0/AN0 — Digital I/O / Analog input channel 0 |
| Chân 2 | RA1/AN1 — Digital I/O / Analog input channel 1 |
| Chân 3 | RA2/AN2 — Digital I/O / Analog input channel 2 |
| Chân 4 | RA3/AN3 — Digital I/O / Analog input channel 3 |
| Chân 5 | RA4/AN4 — Digital I/O / Analog input channel 4 |
| Chân 6 | RA5/MCLR — Digital I/O / Master Clear (reset, active low) |
| Chân 7 | RA6 — Digital I/O |
| Chân 8 | RA7 — Digital I/O |
| Chân 9 | VSS — Ground reference |
| Chân 10 | VDD — Positive supply voltage (2.5-5.5 V) |
| Chân 11 | RB0/INT0 — Digital I/O / External interrupt 0 |
| Chân 12 | RB1/INT1 — Digital I/O / External interrupt 1 |
| Chân 13 | RB2 — Digital I/O |
| Chân 14 | RB3 — Digital I/O |
| Chân 15 | RB4 — Digital I/O |
| Chân 16 | RB5 — Digital I/O |
| Chân 17 | RB6/ICSPCLK — Digital I/O / ICSP clock |
| Chân 18 | RB7/ICSPDAT — Digital I/O / ICSP data |
| Chân 19 | VSS — Ground reference |
| Chân 20 | VDD — Positive supply voltage (2.5-5.5 V) |
| Chân 21 | RC0 — Digital I/O |
| Chân 22 | RC1 — Digital I/O |
| Chân 23 | RC2 — Digital I/O |
| Chân 24 | RC3 — Digital I/O |
| Chân 25 | RC4 — Digital I/O |
| Chân 26 | RC5 — Digital I/O |
| Chân 27 | RC6/TX — Digital I/O / UART transmit |
| Chân 28 | RC7/RX — Digital I/O / UART receive |
| Chân 29 | VSS — Ground reference |
| Chân 30 | CANTX/RE0 — CAN FD transmit / Digital I/O |
| Chân 31 | CANRX/RE1 — CAN FD receive / Digital I/O |
| Chân 32 | RE2 — Digital I/O |
| Chân 33 | VSS — Ground reference |
| Chân 34 | VDD — Positive supply voltage (2.5-5.5 V) |
| Chân 35 | RD0 — Digital I/O |
| Chân 36 | RD1 — Digital I/O |
| Chân 37 | RD2 — Digital I/O |
| Chân 38 | RD3 — Digital I/O |
| Chân 39 | RD4 — Digital I/O |
| Chân 40 | RD5 — Digital I/O |
| Chân 41 | RD6 — Digital I/O |
| Chân 42 | RD7 — Digital I/O |
| Chân 43 | VSS — Ground reference |
| Chân 44 | RF7 — Digital I/O (port F) |
Ứng dụng tiêu biểu
PIC18F47Q83T-I/PT phù hợp cho 6 Áp dụngs: Industrial CAN Node Controller, BLDC Motor Control, IoT Sensor Hub, LED Lighting Driver, Automotive Body Electronics, USB-to-CAN Bridge.
Industrial CAN Node Controller
The PIC18F47Q83T-I/PT is purpose-built for industrial CAN node endpoints, integrating a CAN FD controller that supports both classic CAN 2.0B and CAN FD frame formats up to 1 Mbps. Its 128 KB Flash holds full CANopen or J1939 protocol stacks, and the 13 KB SRAM buffers incoming/outgoing message frames without CPU intervention. The 64 MHz CPU runs the protocol stack in real time while the CIP-based acceptance filter offloads message ID matching to hardware. The 12-bit ADC^2 with computation samples analog sensor inputs autonomously and triggers CAN transmission only on threshold crossings, reducing bus traffic by 60-90% in event-driven systems.
Được đề xuất
BLDC Motor Control
The PIC18F47Q83T-I/PT drives BLDC and PMSM motors through its 4x 16-bit PWM channels, CWG (Complementary Waveform Generator), and Hardware Limit Timer. The 64 MHz CPU executes FOC loops at 20-50 kHz while the CWG module handles dead-band insertion and complementary output generation. The 12-bit ADC^2 with computation samples phase currents and back-EMF with hardware oversampling, freeing the CPU for control math. CAN FD enables networked multi-axis motion control across industrial automation backbones, and the 44-pin TQFP footprint fits within standard 50 mm x 50 mm motor driver PCBs.
Được đề xuất
IoT Sensor Hub
The PIC18F47Q83T-I/PT serves as a low-power IoT sensor hub, aggregating analog sensor data through its 12-bit ADC^2 and transmitting over UART, SPI, or I2C to a host MCU or radio module. The HFINTOSC eliminates external crystals, reducing BOM cost for battery-powered deployments. The internal 5-bit DAC generates reference voltages for ratiometric sensors, and the 128 KB Flash holds firmware for multiple sensor protocols. Operating at 2.5-5.5 V with 4 mA typical active current, the part suits solar-powered remote sensor nodes and Smart Agriculture installations.
Được đề xuất
LED Lighting Driver
The PIC18F47Q83T-I/PT controls multi-channel LED lighting through its 4x 16-bit PWM outputs and 5-bit DAC for current setpoint adjustment. The 12-bit ADC^2 monitors LED current and temperature with hardware averaging, enabling smooth dimming curves and automatic thermal foldback. The 64 MHz CPU executes DMX-512 or DALI protocol stacks from the 128 KB Flash, while CAN FD enables networked architectural lighting installations. The industrial temperature grade -40C to +85C supports outdoor and industrial lighting fixtures.
Được đề xuất
Automotive Body Electronics
The PIC18F47Q83T-I/PT serves in automotive body electronics modules where CAN FD networking and robust peripherals are required, including seat controllers, HVAC panels, and lighting controllers. The industrial temperature variant supports -40C to +85C under-hood and cabin environments. The 128 KB Flash holds CAN bootloader and J1939 protocol stacks, while the 12-bit ADC^2 reads position sensors and thermistors with hardware threshold interrupts. For AEC-Q100 qualified automotive applications, designers should select the PIC18F47Q83-E/PT extended temperature variant from Microchip's automotive portfolio.
Được đề xuất
USB-to-CAN Bridge
The PIC18F47Q83T-I/PT implements USB-to-CAN and UART-to-CAN bridges for industrial diagnostics and field programming. The 64 MHz CPU handles USB 2.0 Full-Speed protocol on the MSSP peripheral alongside CAN FD frame buffering, with the 13 KB SRAM sufficient to buffer 100+ CAN frames between USB and CAN. The 128 KB Flash holds USB HID and CDC class drivers. Engineers developing PC-based diagnostics tools benefit from the dual-protocol integration without external bridge ICs, and the 44-pin TQFP footprint supports compact dongle form factors.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18F47Q83T-I/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 | PIC18F47Q83-I/PT | PIC18F47Q83-E/PT | PIC18F47Q43-I/PT | PIC18F46Q84-E/P | PIC18F47K42-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB | 128 KB |
| SRAM | 13 KB | 13 KB | 13 KB | 13 KB | 8 KB | 8 KB |
| CAN FD | Yes (1x) | Yes (1x) | Yes (1x) | Yes (1x) | Yes (1x) | No |
| ADC Resolution | 12-bit ADC2 with Computation | 12-bit ADC2 | 12-bit ADC2 | 12-bit ADC2 | 12-bit ADC2 | 12-bit ADC2 |
| PWM Channels | 4 x 16-bit | 4 x 16-bit | 4 x 16-bit | 4 x 16-bit | 4 x 16-bit | 4 x 16-bit |
| Maximum Frequency | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +125C (Extended) | -40C to +85C | -40C to +125C (Extended) | -40C to +85C |
Bảo phân biệt quan trọng
- Only 8-bit MCU with integrated CAN FD controller in the 44-pin TQFP package (vsPIC18F47K42-I/PT)
- Highest memory density in the 44-pin TQFP PIC18 family (vsPIC18F46Q84-E/P)
- Wider operating voltage range than typical 32-bit Cortex-M competitors (vsPIC18F46K22-I/PT)
Ghi chú thiết kế
Decouple VDD with 100 nF ceramic capacitors placed within 5 mm of each VDD/VSS pin pair. For the PIC18F47Q83T-I/PT in the 44-pin TQFP, VDD appears on pins 10, 20, and 34, with VSS on pins 9, 19, 29, 33, and 43. A bulk 10 uF tantalum or ceramic capacitor near the MCU plus a ferrite bead on the analog AVDD rail (if separated) will reduce switching noise coupling into the 12-bit ADC^2 sampling. Per Microchip's PIC18-Q84/Q83 hardware design checklist, never route high-frequency switching signals (PWM, CAN) parallel to analog ADC traces within 3 mm spacing.
Estimated: at 64 MHz operation with all peripherals active, the PIC18F47Q83T-I/PT dissipates approximately 60-100 mW depending on GPIO toggle rates and ADC sampling activity. The 44-pin TQFP (10x10 mm) package has theta_JA of approximately 50 C/W on a 4-layer JEDEC test board. Junction temperature rise is approximately 3-5 C above ambient, well within the 85 C industrial limit. For enclosed housings with limited airflow, derate clock frequency to 32 MHz if GPIO drive exceeds 20 mA total source/sink current across all pins.
Reserve RA5/MCLR (pin 6) as the reset input with a 10 kohm pull-up resistor to VDD and a 100 nF decoupling cap to ground for noise immunity. The ICSP clock pin (RB6/ICSPCLK, pin 17) and ICSP data pin (RB7/ICSPDAT, pin 18) must be accessible for in-circuit programming; place a 2x3 or 1x6 header for the PICkit 4/5 connector. The CAN pins CANTX/RE0 (pin 30) and CANRX/RE1 (pin 31) should route to the MCP2551/MCP2561 transceiver with 50 ohm characteristic impedance, and the trace between the MCU and transceiver must be kept under 25 mm to avoid signal integrity issues.
Do not omit the MCLR pull-up resistor; the PIC18F47Q83 requires MCLR to be pulled high for normal operation. Avoid tying CANTX and CANRX directly to a CAN transceiver without the required series termination; refer to Microchip's CAN PCB layout application note AN228. When using the HFINTOSC, allow at least 1 ms after power-on for the PLL to lock before initiating CAN communication, or use the external crystal oscillator mode for deterministic CAN timing. The CONFIG words must be set correctly for the 44-pin TQFP variant - selecting the wrong pin configuration can cause PORTA pins to be remapped to non-existent package pins.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - the standard PIC18F47Q83T-I/PT is industrial grade. For AEC-Q100 qualified automotive applications, consider the PIC18F47Q83-E/PT extended temperature variant.