PIC18F86J50T-I/PT - 8-Bit 48MHz USB MCU 64KB Flash TQFP-80 | Microchip
MPN: PIC18F86J50T-I/PT ✓ Hoạt độngPIC18F86J50T-I/PT Tóm tắt
What is a PIC18J microcontroller? An 8-bit RISC microcontroller is a small computer-on-a-chip that uses a Harvard architecture with separate program and data buses, executes most instructions in a single clock cycle, and is widely used in embedded systems requiring deterministic real-time control. PIC18J extends the PIC18 family by adding an internal voltage regulator that allows single 3.3V operation while keeping flash programming voltage on-chip, simplifying designs targeting USB, graphics, and connectivity. Within the broader taxonomy, PIC18J belongs to: microcontroller -> embedded MCU -> RISC processor -> semiconductor IC.
Key features include an integrated USB 2.0 full-speed transceiver (12 Mbps) with on-chip 3.3V regulator, 70 I/O pins with peripheral pin select flexibility, a 10-bit ADC with up to 12 channels, two USART modules, two MSSP (SPI/I2C) modules, and three CCP/ECCP modules for PWM/motor control. The Enhanced Flash Controller supports self-programming and a 128-byte data EEPROM is provided for non-volatile user storage. The 12 MIPS core executes instructions at 48 MHz from the internal PLL.
Typical applications include USB peripherals (HID, CDC, mass storage, audio), industrial control panels with TFT/graphical LCDs, sensor data acquisition hubs, low-cost instrumentation with USB connectivity, and embedded web/configuration interfaces. Designers select the PIC18F86J50T when they need 64KB of code space, full-speed USB without an external transceiver, and a large pin count for parallel buses, displays, or matrix keypads.
When designing with this part, ensure the internal 3.3V regulator's bulk capacitance requirements are met per the datasheet, and budget approximately 5 KB of Flash for the USB stack. Use the TQFP-80 land pattern and follow Microchip's USB hardware design guide for impedance-controlled D+/D- traces.
Bộ thay thế dễ dàng lắp đặt cho PIC18F86J50T-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 PIC18F86J50T-I/PT (cùng hình factor và footprint) — khác nhau ở ADC, I/O Pins, MSL Level, Package, Family.
PIC18F86J50-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F87J50-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F85J50T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F86J15-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F86J10-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F86J93-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18F86J50T-I/PT Tỷ lệ tối đa & tính chất điện
| Core | PIC18 8-bit RISC |
| Family | PIC PIC 18J |
| Program Memory Type | Flash |
| Program Memory Size | 64 KB (32K x 16) |
| Maximum CPU Speed | 48 MHz (12 MIPS) |
| Điện áp cung cấp | 4.2 V to 5.5 V |
| I/O Pins | 70 |
| Bề rộng đường dữ liệu | 16 Bit |
| USB | USB 2.0 Full-Speed (12 Mbps) with on-chip transceiver |
| ADC | 10-bit |
| Package Type | TQFP-80 (12x12 mm, 1.0 mm height) |
| Khoảng nhiệt độ hoạt động | -40C to +85C (Industrial) |
| Kiểu lắp đặt | Surface Mount |
| Packaging | Tape & Reel |
| Cấp MSL | 3 |
Cấu hình chân PIC18F86J50T-I/PT
| Chân 1 | RC1/T1OSI — I/O port C bit 1 / Timer1 oscillator input |
| Chân 2 | RC2 — I/O port C bit 2 |
| Chân 3 | RC3 — I/O port C bit 3 |
| Chân 4 | RC4 — I/O port C bit 4 |
| Chân 5 | RC5 — I/O port C bit 5 |
| Chân 6 | RC6 — I/O port C bit 6 |
| Chân 7 | RC7 — I/O port C bit 7 |
| Chân 8 | RD0 — I/O port D bit 0 |
| Chân 9 | RD1 — I/O port D bit 1 |
| Chân 10 | RD2 — I/O port D bit 2 |
| Chân 11 | RD3 — I/O port D bit 3 |
| Chân 12 | NC — Not connected (per datasheet) |
| Chân 13 | NC — Not connected (per datasheet) |
| Chân 14 | VDD — Positive supply voltage (4.2V-5.5V) |
| Chân 15 | VSS — Ground reference |
| Chân 16 | RD4 — I/O port D bit 4 |
| Chân 17 | RD5 — I/O port D bit 5 |
| Chân 18 | RD6 — I/O port D bit 6 |
| Chân 19 | RD7 — I/O port D bit 7 |
| Chân 20 | VSS — Ground reference |
| Chân 21 | RB0 — I/O port B bit 0 |
| Chân 22 | RB1 — I/O port B bit 1 |
| Chân 23 | RB2 — I/O port B bit 2 |
| Chân 24 | RB3 — I/O port B bit 3 |
| Chân 25 | RB4 — I/O port B bit 4 |
| Chân 26 | RB5 — I/O port B bit 5 |
| Chân 27 | RB6 — I/O port B bit 6 / PGC (ICSP clock) |
| Chân 28 | RB7 — I/O port B bit 7 / PGD (ICSP data) |
| Chân 29 | VSS — Ground reference |
| Chân 30 | VDDCORE — Internal 3.3V regulator output (bypass with cap) |
| Chân 31 | RA0 — I/O port A bit 0 |
| Chân 32 | RA1 — I/O port A bit 1 |
| Chân 33 | RA2 — I/O port A bit 2 |
| Chân 34 | RA3 — I/O port A bit 3 |
| Chân 35 | RA4 — I/O port A bit 4 |
| Chân 36 | RA5 — I/O port A bit 5 |
| Chân 37 | RA6 — I/O port A bit 6 / OSC2 |
| Chân 38 | RA7 — I/O port A bit 7 / OSC1 |
| Chân 39 | VSS — Ground reference |
| Chân 40 | VDD — Positive supply voltage (4.2V-5.5V) |
| Chân 41 | RE0 — I/O port E bit 0 |
| Chân 42 | RE1 — I/O port E bit 1 |
| Chân 43 | RE2 — I/O port E bit 2 |
| Chân 44 | RE3 — I/O port E bit 3 |
| Chân 45 | RE4 — I/O port E bit 4 |
| Chân 46 | RE5 — I/O port E bit 5 |
| Chân 47 | RE6 — I/O port E bit 6 |
| Chân 48 | RE7 — I/O port E bit 7 |
| Chân 49 | RF0 — I/O port F bit 0 |
| Chân 50 | RF1 — I/O port F bit 1 |
| Chân 51 | RF2 — I/O port F bit 2 |
| Chân 52 | RF3 — I/O port F bit 3 |
| Chân 53 | RF4 — I/O port F bit 4 |
| Chân 54 | RF5 — I/O port F bit 5 |
| Chân 55 | RF6 — I/O port F bit 6 |
| Chân 56 | RF7 — I/O port F bit 7 |
| Chân 57 | RG0 — I/O port G bit 0 |
| Chân 58 | RG1 — I/O port G bit 1 |
| Chân 59 | RG2 — I/O port G bit 2 |
| Chân 60 | RG3 — I/O port G bit 3 |
| Chân 61 | RG4 — I/O port G bit 4 |
| Chân 62 | MCLR — Master Clear (reset) input |
| Chân 63 | RG6 — I/O port G bit 6 |
| Chân 64 | RG7 — I/O port G bit 7 |
| Chân 65 | VDD — Positive supply voltage (4.2V-5.5V) |
| Chân 66 | VSS — Ground reference |
| Chân 67 | RH0 — I/O port H bit 0 |
| Chân 68 | RH1 — I/O port H bit 1 |
| Chân 69 | RH2 — I/O port H bit 2 |
| Chân 70 | RH3 — I/O port H bit 3 |
| Chân 71 | RH4 — I/O port H bit 4 |
| Chân 72 | RH5 — I/O port H bit 5 |
| Chân 73 | RH6 — I/O port H bit 6 |
| Chân 74 | RH7 — I/O port H bit 7 |
| Chân 75 | VSS — Ground reference |
| Chân 76 | VDD |
| Chân 77 | D- — USB data minus |
| Chân 78 | D+ — USB data plus |
| Chân 79 | RJ0 — I/O port J bit 0 |
| Chân 80 | RJ1 — I/O port J bit 1 |
Ứng dụng tiêu biểu
PIC18F86J50T-I/PT phù hợp cho 7 Áp dụngs: USB Human Interface Device (HID) Peripherals, Industrial Sensor Data Acquisition Hubs, Graphical LCD Control Panels, USB-to-UART / USB-to-SPI Bridges, Audio Streaming USB Devices (USB Audio Class 1.0), Embedded Web Configuration Interfaces, Motor Control with USB Diagnostics.
USB Human Interface Device (HID) Peripherals
The PIC18F86J50T-I/PT is ideal for USB HID peripherals such as keyboards, mice, game controllers, and custom input devices. Its integrated USB 2.0 full-speed transceiver eliminates external PHY components, while 64 KB Flash comfortably hosts the Microchip USB HID stack and application firmware. The 48 MHz core delivers deterministic 1 ms USB frame timing required for low-latency HID polling. With 70 I/O pins available, designers can connect large matrix keypads, mechanical encoders, or LED indicators without external I/O expanders. The 5V-tolerant I/O also simplifies interfacing with industrial-grade mechanical switches without level shifters, making this part well-suited for professional-grade input devices.
Được đề xuất
Industrial Sensor Data Acquisition Hubs
For industrial sensor hubs, the PIC18F86J50T-I/PT combines a 10-bit ADC with up to 12 channels, two USARTs, two MSSP (SPI/I2C) modules, and 70 digital I/O lines into a single chip. The industrial temperature range (-40C to +85C) tolerates factory-floor thermal stress, while the nanoWatt technology reduces sleep current to microamp levels for battery or energy-harvested sensors. USB connectivity enables direct PC-side logging of distributed sensors without a separate gateway. The large TQFP-80 pin count also accommodates external memory expansion through the parallel external memory bus when local logging buffers exceed internal RAM.
Được đề xuất
Graphical LCD Control Panels
The PIC18F86J50T-I/PT drives color TFT-LCD panels up to QVGA resolution through its parallel PMP (Parallel Master Port) and 70 I/O lines. 64 KB Flash stores font tables, bitmaps, and menu libraries while the 48 MHz core renders simple UIs in real time without external display controllers. USB simplifies firmware updates and parameter uploads from a host PC, useful for field serviceability. The 5V-tolerant I/O connects directly to industrial 5V LCD backlight drivers and keypads. The TQFP-80 (12x12 mm) footprint fits comfortably behind typical 3.5-inch displays, supporting compact panel layouts.
Được đề xuất
USB-to-UART / USB-to-SPI Bridges
The PIC18F86J50T-I/PT serves as a programmable USB-to-serial bridge, emulating CDC class devices to expose UART, SPI, or I2C buses over USB to a host PC. Its two USARTs and two MSSP peripherals each map to independent USB endpoints, supporting concurrent bridging. 64 KB Flash is more than adequate for the Microchip CDC stack plus command parsers, and 70 GPIO can be reserved for configuration strap or status indicators. Industrial temperature rating enables deployment in equipment that needs field-reprogrammable interface bridges.
Được đề xuất
Audio Streaming USB Devices (USB Audio Class 1.0)
The PIC18F86J50T-I/PT supports USB Audio Class 1.0 streaming at 48 kHz/16-bit when paired with an external I2S DAC, enabling low-cost USB headphones, headsets, and audio capture modules. 48 MHz provides ample MIPS for the Audio Class driver and basic DSP. The integrated USB transceiver and 3.3V regulator reduce BOM to a few decoupling caps and the DAC. 70 I/O can drive LED status rings or push-button controls, and 64 KB Flash holds the USB stack plus HID side-channel controls for volume and mute.
Được đề xuất
Embedded Web Configuration Interfaces
For low-volume products needing an embedded web-style configuration interface without full TCP/IP stacks, the PIC18F86J50T-I/PT can host a custom configuration tool that exposes parameters via USB CDC or vendor-class interfaces to a host-side UI. The 64 KB Flash stores the configuration parser and storage manager, while 4 KB of internal RAM and 128-byte EEPROM hold user settings. The 70 GPIO interfaces with motor controllers, lighting fixtures, or sensor networks. Industrial-grade operation allows deployment in field-installed equipment where USB is used only during commissioning.
Được đề xuất
Motor Control with USB Diagnostics
The PIC18F86J50T-I/PT delivers three CCP/ECCP modules that generate up to six complementary PWM outputs, enabling single-axis BLDC or stepper motor control with current sensing through the 10-bit ADC. USB provides real-time diagnostic telemetry (RPM, current, fault events) to a host PC, replacing costly CAN or RS-485 debug interfaces. Industrial temperature rating and nanoWatt idle make it suitable for battery-powered tools that charge over USB. 64 KB Flash accommodates sensorless BLDC algorithms such as BEMF zero-cross detection in addition to the USB stack.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18F86J50T-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 | PIC18F86J50-I/PT | PIC18F87J50-I/PT | PIC18F85J50T-I/PT | PIC18F86J15-I/PT | PIC18F86J10-I/PT | PIC18F86J93-I/PT |
|---|---|---|---|---|---|---|---|
| Package | TQFP-80 (12x12 mm) | TQFP-80 - same | TQFP-80 - same | TQFP-80 - same | TQFP-80 - same | TQFP-80 - same | TQFP-80 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 64 KB (32K x 16) | 64 KB | 128 KB | 32 KB | 48 KB | 32 KB | 64 KB |
| USB Transceiver | Yes (USB 2.0 Full-Speed) | Yes | Yes | Yes | Yes | Yes | Yes |
| I/O Pins | 70 | 70 | 70 | 65 | 67 | 67 | 70 |
| Maximum Clock Speed | 48 MHz (12 MIPS) | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 40 MHz | 48 MHz |
| Supply Voltage | 4.2 V to 5.5 V | 4.2V-5.5V | 4.2V-5.5V | 4.2V-5.5V | 4.2V-5.5V | 4.2V-5.5V | 4.2V-5.5V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Approximate Unit Price (qty 1) | $8.95 | ~$8.95 | ~$11.20 | ~$7.80 | ~$8.50 | ~$7.20 | ~$9.10 |
Bảo phân biệt quan trọng
- Tape-and-reel ready at 64 KB Flash for high-volume assembly (vsPIC18F86J50-I/PT)
- 100% more Flash than the 85J50 sibling (vsPIC18F85J50T-I/PT)
- 50% less Flash than PIC18F87J50 saves cost (vsPIC18F87J50-I/PT)
Ghi chú thiết kế
The PIC18F86J50T-I/PT integrates a 3.3V core regulator that must be bypassed with at least 220 nF + 4.7 uF on VDDCORE (pin 30). When VDD is 4.2V-5.5V, the USB D+/D- pull-ups and transceiver are powered from this internal rail. Designers should not connect external loads to VDDCORE beyond the datasheet-recommended decoupling. Estimated: at 48 MHz active and full I/O toggling, core current is approximately 15-20 mA.
Route USB D+ and D- as a 90-ohm differential pair with matched length within 150 mil, and place the 15 kohm pull-down on D- and (for full-speed device) the 1.5 kohm pull-up on D+ as close to the IC as possible. Keep the D+/D- traces clear of clock-generating signals to minimize radiated EMI. The 12 MHz crystal or 48 MHz external oscillator should be placed within 0.5 inch of OSC1/OSC2 with grounded guard ring.
Do not confuse the 'T' suffix (tape and reel) with temperature grade - the 'I' in 'I/PT' denotes -40C to +85C industrial. Do not exceed 5.5V on any I/O pin (no 5V tolerance on the PIC18F86J50 family; use the PIC18F 'K' family for true 5V-tolerant I/O). Ensure MCLR is pulled high through a 10 kohm resistor with a 100 nF decoupling cap to filter noise-induced resets.
Long parallel buses on ports D, E, and F can couple switching noise onto adjacent ADC inputs. Route analog signals on separate traces, and add a ground guard ring around the ADC reference capacitor. When driving external memory through the parallel master port, place a 33-ohm series damping resistor on each data and address line to limit ringing.
Thông tin tuân thủ
RoHS and lead-free compliant per Microchip product page. AEC-Q100 not applicable - the PIC18F86J50 family targets industrial and consumer markets, not automotive.
