PIC18F86J50T-I/PT - 8-Bit 48MHz USB MCU 64KB Flash TQFP-80 | Microchip
MPN: PIC18F86J50T-I/PT ✓ פעילPIC18F86J50T-I/PT סקירה
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.
חלופות תחליף ישיר עבור PIC18F86J50T-I/PT — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם PIC18F86J50T-I/PT (אותו גורם צורה וטביעת רגל) — שונים ב ADC, I/O Pins, MSL Level, Package, Family.
PIC18F86J50-I/PT
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
PIC18F87J50-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F85J50T-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F86J15-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F86J10-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F86J93-I/PT
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
PIC18F86J50T-I/PT דירוגים מרביים ומאפיינים חשמליים
| 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) |
| מתח אספקה | 4.2 V to 5.5 V |
| I/O Pins | 70 |
| רוחב אפיק נתונים | 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) |
| טווח טמפרטורת פעולה | -40C to +85C (Industrial) |
| סוג הרכבה | Surface Mount |
| Packaging | Tape & Reel |
| רמת MSL | 3 |
תצורת פינים של PIC18F86J50T-I/PT
| פין 1 | RC1/T1OSI — I/O port C bit 1 / Timer1 oscillator input |
| פין 2 | RC2 — I/O port C bit 2 |
| פין 3 | RC3 — I/O port C bit 3 |
| פין 4 | RC4 — I/O port C bit 4 |
| פין 5 | RC5 — I/O port C bit 5 |
| פין 6 | RC6 — I/O port C bit 6 |
| פין 7 | RC7 — I/O port C bit 7 |
| פין 8 | RD0 — I/O port D bit 0 |
| פין 9 | RD1 — I/O port D bit 1 |
| פין 10 | RD2 — I/O port D bit 2 |
| פין 11 | RD3 — I/O port D bit 3 |
| פין 12 | NC — Not connected (per datasheet) |
| פין 13 | NC — Not connected (per datasheet) |
| פין 14 | VDD — Positive supply voltage (4.2V-5.5V) |
| פין 15 | VSS — Ground reference |
| פין 16 | RD4 — I/O port D bit 4 |
| פין 17 | RD5 — I/O port D bit 5 |
| פין 18 | RD6 — I/O port D bit 6 |
| פין 19 | RD7 — I/O port D bit 7 |
| פין 20 | VSS — Ground reference |
| פין 21 | RB0 — I/O port B bit 0 |
| פין 22 | RB1 — I/O port B bit 1 |
| פין 23 | RB2 — I/O port B bit 2 |
| פין 24 | RB3 — I/O port B bit 3 |
| פין 25 | RB4 — I/O port B bit 4 |
| פין 26 | RB5 — I/O port B bit 5 |
| פין 27 | RB6 — I/O port B bit 6 / PGC (ICSP clock) |
| פין 28 | RB7 — I/O port B bit 7 / PGD (ICSP data) |
| פין 29 | VSS — Ground reference |
| פין 30 | VDDCORE — Internal 3.3V regulator output (bypass with cap) |
| פין 31 | RA0 — I/O port A bit 0 |
| פין 32 | RA1 — I/O port A bit 1 |
| פין 33 | RA2 — I/O port A bit 2 |
| פין 34 | RA3 — I/O port A bit 3 |
| פין 35 | RA4 — I/O port A bit 4 |
| פין 36 | RA5 — I/O port A bit 5 |
| פין 37 | RA6 — I/O port A bit 6 / OSC2 |
| פין 38 | RA7 — I/O port A bit 7 / OSC1 |
| פין 39 | VSS — Ground reference |
| פין 40 | VDD — Positive supply voltage (4.2V-5.5V) |
| פין 41 | RE0 — I/O port E bit 0 |
| פין 42 | RE1 — I/O port E bit 1 |
| פין 43 | RE2 — I/O port E bit 2 |
| פין 44 | RE3 — I/O port E bit 3 |
| פין 45 | RE4 — I/O port E bit 4 |
| פין 46 | RE5 — I/O port E bit 5 |
| פין 47 | RE6 — I/O port E bit 6 |
| פין 48 | RE7 — I/O port E bit 7 |
| פין 49 | RF0 — I/O port F bit 0 |
| פין 50 | RF1 — I/O port F bit 1 |
| פין 51 | RF2 — I/O port F bit 2 |
| פין 52 | RF3 — I/O port F bit 3 |
| פין 53 | RF4 — I/O port F bit 4 |
| פין 54 | RF5 — I/O port F bit 5 |
| פין 55 | RF6 — I/O port F bit 6 |
| פין 56 | RF7 — I/O port F bit 7 |
| פין 57 | RG0 — I/O port G bit 0 |
| פין 58 | RG1 — I/O port G bit 1 |
| פין 59 | RG2 — I/O port G bit 2 |
| פין 60 | RG3 — I/O port G bit 3 |
| פין 61 | RG4 — I/O port G bit 4 |
| פין 62 | MCLR — Master Clear (reset) input |
| פין 63 | RG6 — I/O port G bit 6 |
| פין 64 | RG7 — I/O port G bit 7 |
| פין 65 | VDD — Positive supply voltage (4.2V-5.5V) |
| פין 66 | VSS — Ground reference |
| פין 67 | RH0 — I/O port H bit 0 |
| פין 68 | RH1 — I/O port H bit 1 |
| פין 69 | RH2 — I/O port H bit 2 |
| פין 70 | RH3 — I/O port H bit 3 |
| פין 71 | RH4 — I/O port H bit 4 |
| פין 72 | RH5 — I/O port H bit 5 |
| פין 73 | RH6 — I/O port H bit 6 |
| פין 74 | RH7 — I/O port H bit 7 |
| פין 75 | VSS — Ground reference |
| פין 76 | VDD |
| פין 77 | D- — USB data minus |
| פין 78 | D+ — USB data plus |
| פין 79 | RJ0 — I/O port J bit 0 |
| פין 80 | RJ1 — I/O port J bit 1 |
יישומים טיפוסיים
PIC18F86J50T-I/PT מתאים עבור 7 יישוםs: 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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור PIC18F86J50T-I/PT — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | 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 |
מבדילים עיקריים
- Tape-and-reel ready at 64 KB Flash for high-volume assembly (לעומתPIC18F86J50-I/PT)
- 100% more Flash than the 85J50 sibling (לעומתPIC18F85J50T-I/PT)
- 50% less Flash than PIC18F87J50 saves cost (לעומתPIC18F87J50-I/PT)
הערות תכנון
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.
מידע על תאימות
RoHS and lead-free compliant per Microchip product page. AEC-Q100 not applicable - the PIC18F86J50 family targets industrial and consumer markets, not automotive.
