PIC18F86J50T-I/PT - 8-Bit 48MHz USB MCU 64KB Flash TQFP-80 | Microchip
料号： PIC18F86J50T-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $8.95 | $8.95 |
| 10 | $8.06 | $80.60 |
| 100 | $7.16 | $716.00 |
| 500 | $6.42 | $3,210.00 |
| 1,000 | $5.74 | $5,740.00 |
PIC18F86J50T-I/PT 概述
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.
直接替换替代料： PIC18F86J50T-I/PT ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC18F86J50T-I/PT （相同外形与封装尺寸） ——差异在于 ADC, I/O Pins, MSL Level, Package, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
PIC18F86J50-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC18F87J50-I/PT
✅ 直接替换✓ 有现货
$6.4 / 个
查看数据手册 →PIC18F85J50T-I/PT
✅ 直接替换✓ 有现货
$5.08 / 个
查看数据手册 →PIC18F86J15-I/PT
✅ 直接替换✓ 有现货
$5.32 / 个
查看数据手册 →PIC18F86J10-I/PT
✅ 直接替换✓ 有现货
$6.1 / 个
查看数据手册 →PIC18F86J93-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC18F86J50T-I/PT 最大额定值与电气特性
| 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) |
| 电源电压 | 4.2 V to 5.5 V |
| I/O Pins | 70 |
| 数据总线宽度 | 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) |
| 工作温度范围 | -40C to +85C (Industrial) |
| 安装类型 | Surface Mount |
| Packaging | Tape & Reel |
| MSL 等级 | 3 |
PIC18F86J50T-I/PT 引脚配置
| 引脚 1 | RC1/T1OSI — I/O port C bit 1 / Timer1 oscillator input |
| 引脚 2 | RC2 — I/O port C bit 2 |
| 引脚 3 | RC3 — I/O port C bit 3 |
| 引脚 4 | RC4 — I/O port C bit 4 |
| 引脚 5 | RC5 — I/O port C bit 5 |
| 引脚 6 | RC6 — I/O port C bit 6 |
| 引脚 7 | RC7 — I/O port C bit 7 |
| 引脚 8 | RD0 — I/O port D bit 0 |
| 引脚 9 | RD1 — I/O port D bit 1 |
| 引脚 10 | RD2 — I/O port D bit 2 |
| 引脚 11 | RD3 — I/O port D bit 3 |
| 引脚 12 | NC — Not connected (per datasheet) |
| 引脚 13 | NC — Not connected (per datasheet) |
| 引脚 14 | VDD — Positive supply voltage (4.2V-5.5V) |
| 引脚 15 | VSS — Ground reference |
| 引脚 16 | RD4 — I/O port D bit 4 |
| 引脚 17 | RD5 — I/O port D bit 5 |
| 引脚 18 | RD6 — I/O port D bit 6 |
| 引脚 19 | RD7 — I/O port D bit 7 |
| 引脚 20 | VSS — Ground reference |
| 引脚 21 | RB0 — I/O port B bit 0 |
| 引脚 22 | RB1 — I/O port B bit 1 |
| 引脚 23 | RB2 — I/O port B bit 2 |
| 引脚 24 | RB3 — I/O port B bit 3 |
| 引脚 25 | RB4 — I/O port B bit 4 |
| 引脚 26 | RB5 — I/O port B bit 5 |
| 引脚 27 | RB6 — I/O port B bit 6 / PGC (ICSP clock) |
| 引脚 28 | RB7 — I/O port B bit 7 / PGD (ICSP data) |
| 引脚 29 | VSS — Ground reference |
| 引脚 30 | VDDCORE — Internal 3.3V regulator output (bypass with cap) |
| 引脚 31 | RA0 — I/O port A bit 0 |
| 引脚 32 | RA1 — I/O port A bit 1 |
| 引脚 33 | RA2 — I/O port A bit 2 |
| 引脚 34 | RA3 — I/O port A bit 3 |
| 引脚 35 | RA4 — I/O port A bit 4 |
| 引脚 36 | RA5 — I/O port A bit 5 |
| 引脚 37 | RA6 — I/O port A bit 6 / OSC2 |
| 引脚 38 | RA7 — I/O port A bit 7 / OSC1 |
| 引脚 39 | VSS — Ground reference |
| 引脚 40 | VDD — Positive supply voltage (4.2V-5.5V) |
| 引脚 41 | RE0 — I/O port E bit 0 |
| 引脚 42 | RE1 — I/O port E bit 1 |
| 引脚 43 | RE2 — I/O port E bit 2 |
| 引脚 44 | RE3 — I/O port E bit 3 |
| 引脚 45 | RE4 — I/O port E bit 4 |
| 引脚 46 | RE5 — I/O port E bit 5 |
| 引脚 47 | RE6 — I/O port E bit 6 |
| 引脚 48 | RE7 — I/O port E bit 7 |
| 引脚 49 | RF0 — I/O port F bit 0 |
| 引脚 50 | RF1 — I/O port F bit 1 |
| 引脚 51 | RF2 — I/O port F bit 2 |
| 引脚 52 | RF3 — I/O port F bit 3 |
| 引脚 53 | RF4 — I/O port F bit 4 |
| 引脚 54 | RF5 — I/O port F bit 5 |
| 引脚 55 | RF6 — I/O port F bit 6 |
| 引脚 56 | RF7 — I/O port F bit 7 |
| 引脚 57 | RG0 — I/O port G bit 0 |
| 引脚 58 | RG1 — I/O port G bit 1 |
| 引脚 59 | RG2 — I/O port G bit 2 |
| 引脚 60 | RG3 — I/O port G bit 3 |
| 引脚 61 | RG4 — I/O port G bit 4 |
| 引脚 62 | MCLR — Master Clear (reset) input |
| 引脚 63 | RG6 — I/O port G bit 6 |
| 引脚 64 | RG7 — I/O port G bit 7 |
| 引脚 65 | VDD — Positive supply voltage (4.2V-5.5V) |
| 引脚 66 | VSS — Ground reference |
| 引脚 67 | RH0 — I/O port H bit 0 |
| 引脚 68 | RH1 — I/O port H bit 1 |
| 引脚 69 | RH2 — I/O port H bit 2 |
| 引脚 70 | RH3 — I/O port H bit 3 |
| 引脚 71 | RH4 — I/O port H bit 4 |
| 引脚 72 | RH5 — I/O port H bit 5 |
| 引脚 73 | RH6 — I/O port H bit 6 |
| 引脚 74 | RH7 — I/O port H bit 7 |
| 引脚 75 | VSS — Ground reference |
| 引脚 76 | VDD |
| 引脚 77 | D- — USB data minus |
| 引脚 78 | D+ — USB data plus |
| 引脚 79 | RJ0 — I/O port J bit 0 |
| 引脚 80 | RJ1 — I/O port J bit 1 |
典型应用
PIC18F86J50T-I/PT 适用于 7 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： PIC18F86J50T-I/PT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- Tape-and-reel ready at 64 KB Flash for high-volume assembly （对比 PIC18F86J50-I/PT)
- 100% more Flash than the 85J50 sibling （对比 PIC18F85J50T-I/PT)
- 50% less Flash than PIC18F87J50 saves cost （对比 PIC18F87J50-I/PT)
设计说明
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.
合规信息
RoHS and lead-free compliant per Microchip product page. AEC-Q100 not applicable - the PIC18F86J50 family targets industrial and consumer markets, not automotive.
