PIC18F65J50-I/PT - 8-Bit 48MHz USB MCU 32KB Flash 64-TQFP | Microchip
MPN: PIC18F65J50-I/PT ✓ فعالPIC18F65J50-I/PT جائزہ
A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, peripherals, and I/O. The PIC18 family is Microchip's high-performance 8-bit line, sitting above the PIC16 in code density (16-bit instruction word) and peripherals, and below the PIC24/dsPIC in 16-bit performance. The "J" sub-family specifically uses 3.3V-only supply operation with internal voltage regulators, optimized for lower power and USB-friendly rails, while the "F" prefix on the die denotes Flash program memory.
Key differentiating features include nanoWatt power management with multiple idle/sleep modes, an on-chip full-speed USB 2.0 transceiver (12 Mbit/s), a 10-bit ADC with up to 8 channels, an enhanced analog comparator, and a CTMU (Charge Time Measurement Unit) for capacitive touch and accurate time measurement. The 64-pin TQFP footprint provides up to 54 digital I/O lines for interfacing to sensors, displays, and human-interface hardware.
Architecturally, the PIC18J core uses a 16-bit instruction word and 8-bit data path, an 8-level hardware stack, and 31 interrupt sources with vectored handling. The internal PLL generates the 48 MHz system clock from an external crystal, freeing I/O pins versus an external oscillator arrangement and simplifying USB clock accuracy.
Typical applications include USB human-interface devices (HID, CDC, vendor-class), embedded sensor hubs with LIN bus, industrial control panels with multi-serial bridges, and low-power connected nodes that benefit from nanoWatt sleep modes and direct USB device connectivity.
When designing with this MCU, ensure the supply rail is held within 2.0-3.6 V for J-family parts (some peripheral specs extend higher), keep the 48 MHz decoupling tight to the VDD pins, and use a 12 MHz crystal with the internal PLL when USB is required for the ±0.25% clock-accuracy budget.
This page synthesizes distributor pricing, drop-in same-family alternatives from the PIC18 J-line, and practical design notes not aggregated on the Microchip product page.
کے لیے ڈراپ اِن متبادل PIC18F65J50-I/PT — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC18F65J50-I/PT (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, ADC, Operating Temperature, Timers, Core Architecture.
PIC18F66J50-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F65J11-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F65J10-I/PT
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F65J50T-I/PT
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F66J50T-I/PT
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F63J90-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC18F65J50-I/PT زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | PIC18J (8-bit data, 16-bit instruction) |
| Maximum CPU Clock | 48 MHz (12 MIPS) |
| Program Memory (Flash) | 32 KB (16K x 16) |
| Data RAM | 3,936 bytes |
| سپلائی وولٹیج | 4.2 V to 5.5 V (datasheet primary spec, also operates 2.0-3.6 V per J-family) |
| I/O Pins | 54 |
| USB | Full-Speed USB 2.0 device, 12 Mbit/s, on-chip transceiver |
| Serial Interfaces | 2x EUSART (LIN-capable), 1x I2C (Master), 1x SPI (up to 10 Mbit/s) |
| ADC | 10-bit, up to 8 channels |
| Timers | 5x 8/16-bit timers |
| پیکیج | 64-pin TQFP (PT), 10 x 10 mm, 1.0 mm height |
| آپریٹنگ درجہ حرارت | -40C to +85C (Industrial, "I" suffix) |
| ماؤنٹنگ ٹائپ | Surface Mount (TQFP) |
| RoHS اسٹیٹس | Compliant (per DigiKey listing) |
PIC18F65J50-I/PT پن کنفیگریشن
| پن 1 | RC1/T1OSI — I/O port C bit 1 / Timer1 oscillator input |
| پن 2 | RC2/P1A/CCP1 — I/O port C bit 2 / PWM output / CCP1 |
| پن 3 | RC3 — I/O port C bit 3 |
| پن 4 | RC4 — I/O port C bit 4 |
| پن 5 | RC5 — I/O port C bit 5 |
| پن 6 | RC6/TX1 — I/O port C bit 6 / EUSART1 async transmit |
| پن 7 | RC7/RX1 — I/O port C bit 7 / EUSART1 async receive |
| پن 8 | RE0/RD — I/O port E bit 0 / Parallel-port read |
| پن 9 | RE1/WR — I/O port E bit 1 / Parallel-port write |
| پن 10 | RE2/CS — I/O port E bit 2 / Parallel-port chip-select |
| پن 11 | VDD — Positive supply |
| پن 12 | VSS — Ground |
| پن 13 | OSC1/CLKIN/RA7 — Crystal input / external clock / I/O |
| پن 14 | OSC2/CLKOUT/RA6 — Crystal output / clock-out / I/O |
| پن 15 | RC0 — I/O port C bit 0 |
| پن 16 | RB0/INT0/FLT0 — I/O port B bit 0 / external interrupt |
| پن 17 | RB1/INT1 — I/O port B bit 1 / external interrupt |
| پن 18 | RB2/INT2 — I/O port B bit 2 / external interrupt |
| پن 19 | RB3/INT3 — I/O port B bit 3 / external interrupt |
| پن 20 | RB4 — I/O port B bit 4 |
| پن 21 | RB5 — I/O port B bit 5 |
| پن 22 | RB6/PGC — I/O port B bit 6 / ICSP clock |
| پن 23 | RB7/PGD — I/O port B bit 7 / ICSP data |
| پن 24 | VUSB — Internal USB transceiver supply |
| پن 25 | D- — USB data minus |
| پن 26 | D+ — USB data plus |
| پن 27 | MCLR/RE3 — Master clear reset / I/O port E bit 3 |
| پن 28 | RA0/AN0 — I/O port A bit 0 / analog input 0 |
| پن 29 | RA1/AN1 — I/O port A bit 1 / analog input 1 |
| پن 30 | RA2/AN2/VREF- — I/O port A bit 2 / analog input 2 / VREF- |
| پن 31 | RA3/AN3/VREF+ — I/O port A bit 3 / analog input 3 / VREF+ |
| پن 32 | RA4/T0CKI — I/O port A bit 4 / Timer0 clock input |
| پن 33 | RA5/AN4/SS1 — I/O port A bit 5 / analog input 4 / SPI slave-select |
| پن 34 | AVDD — Analog positive supply |
| پن 35 | AVSS — Analog ground |
| پن 36 | RD0/PSP0 — I/O port D bit 0 / parallel slave port |
| پن 37 | RD1/PSP1 — I/O port D bit 1 / parallel slave port |
| پن 38 | RD2/PSP2 — I/O port D bit 2 / parallel slave port |
| پن 39 | RD3/PSP3 — I/O port D bit 3 / parallel slave port |
| پن 40 | RD4/PSP4 — I/O port D bit 4 / parallel slave port |
| پن 41 | RD5/PSP5 — I/O port D bit 5 / parallel slave port |
| پن 42 | RD6/PSP6 — I/O port D bit 6 / parallel slave port |
| پن 43 | RD7/PSP7 — I/O port D bit 7 / parallel slave port |
| پن 44 | VSS — Ground |
| پن 45 | VDD — Positive supply |
| پن 46 | RF7/SS2 — I/O port F bit 7 / SPI2 slave-select |
| پن 47 | RF6/AN11 — I/O port F bit 6 / analog input 11 |
| پن 48 | RF5/AN10 — I/O port F bit 5 / analog input 10 |
| پن 49 | RF4/AN9 — I/O port F bit 4 / analog input 9 |
| پن 50 | RF3/AN8 — I/O port F bit 3 / analog input 8 |
| پن 51 | RF2/AN7 — I/O port F bit 2 / analog input 7 |
| پن 52 | RF1/AN6/C2OUT — I/O port F bit 1 / analog input 6 / comparator 2 output |
| پن 53 | RF0/AN5 — I/O port F bit 0 / analog input 5 |
| پن 54 | RG6 — I/O port G bit 6 |
| پن 55 | RG7 — I/O port G bit 7 |
| پن 56 | RG0 — I/O port G bit 0 |
| پن 57 | RG1 — I/O port G bit 1 |
| پن 58 | RG2 — I/O port G bit 2 |
| پن 59 | RG3 — I/O port G bit 3 |
| پن 60 | RG4 — I/O port G bit 4 |
| پن 61 | RG5 — I/O port G bit 5 |
| پن 62 | SCK1/SCL1 — SPI1 clock / I2C1 clock |
| پن 63 | SDI1/SDA1 — SPI1 data in / I2C1 data |
| پن 64 | SDO1 — SPI1 data out |
عام استعمالات
PIC18F65J50-I/PT کے لیے موزوں ہے 6 ایپلیکیشنs: USB Human-Interface Devices (HID), Industrial Sensor Hubs with LIN Bus, Embedded USB-to-Serial Bridges, Medical Data Acquisition Modules, Automotive LIN/CAN Gateway Nodes, Smart Home / IoT Connected Sensor Nodes.
USB Human-Interface Devices (HID)
The PIC18F65J50-I/PT is ideal for USB HID peripherals such as keyboards, mice, game controllers, and custom input devices. The on-chip Full-Speed USB 2.0 transceiver removes the need for an external PHY, and the 48 MHz PLL provides the ±0.25% clock accuracy required for USB enumeration. With 32 KB Flash and 3,936 bytes RAM, the MCU can host Microchip's free MLA HID stack while leaving room for vendor-specific report descriptors. Typical designs pair the MCU with a 12 MHz fundamental-mode crystal, 22 ohm series resistors on D+/D-, and standard bulk-cap decoupling on the VDD/VSS pairs; designers get a BOM-light, single-chip USB solution that draws sub-milliamps in suspend mode thanks to nanoWatt technology.
تجویز کردہ
Industrial Sensor Hubs with LIN Bus
The PIC18F65J50-I/PT's two LIN-capable EUSART modules make it a strong fit for industrial sensor hubs that aggregate analog/digital sensor data over a LIN backbone. Combined with the 10-bit ADC and CTMU for capacitive sensing, designers can build multi-sensor nodes that wake on a LIN command, sample, and reply. The 54 digital I/O lines allow direct multiplexing to multiple sensor channels. Compared to a discrete UART + MCU solution, this integrated device cuts BOM count and PCB area; the nanoWatt sleep currents extend battery life on maintenance-free industrial sensors that are expected to last years on a single cell.
تجویز کردہ
Embedded USB-to-Serial Bridges
The PIC18F65J50-I/PT is well-suited for USB-to-UART/SPI/I2C bridges that replace legacy RS-232 ports on legacy industrial equipment. The integrated USB 2.0 device port appears as a CDC virtual COM port or vendor-class device, while the EUSART and I2C peripherals expose the legacy buses to the host. The 48 MHz core and 3,936-byte RAM are sufficient to buffer CDC traffic and bridge to the downstream interface, all without an external PHY. Designers can leverage Microchip's MLA CDC stack to ship a Windows/macOS/Linux driverless bridge.
تجویز کردہ
Medical Data Acquisition Modules
The PIC18F65J50-I/PT's 10-bit ADC, ample I/O count, and USB device connectivity enable medical data-acquisition modules that stream sensor readings to a host PC for analysis. Combined with the CTMU for thermistor-style temperature measurement and the analog comparator for threshold detection, the MCU can host a complete patient-side measurement front end. The industrial -40C to +85C range covers most medical environments; for higher-reliability medical applications requiring FDA documentation, the same pinout is offered with extended characterization.
تجویز کردہ
Automotive LIN/CAN Gateway Nodes
The PIC18F65J50-I/PT's two LIN-capable EUSART modules and nanoWatt sleep modes make it suitable for automotive gateway nodes that aggregate LIN sub-network traffic and bridge to a USB diagnostic port for service technicians. The 54 I/O lines accommodate multiple LIN channels and status LEDs, and the industrial temperature grade handles under-dash automotive environments. Designers should verify the application against AEC-Q100 requirements; if AEC-Q100 is mandatory, look at the equivalent "-E" or "-Q" part numbers from Microchip's PIC18 automotive product line.
تجویز کردہ
Smart Home / IoT Connected Sensor Nodes
The PIC18F65J50-I/PT enables battery-friendly IoT nodes that report temperature, humidity, occupancy, or contact status via USB-tethered or LIN-bridged paths. The nanoWatt sleep modes drop the current draw to microamps when the bus is quiet, allowing multi-year battery life in intermittently-sampled applications. With 32 KB Flash, designers can host lightweight IP stacks or vendor-specific protocols without external memory. The wide operating temperature (-40C to +85C) supports indoor and sheltered outdoor installations, and the 64-TQFP provides ample I/O for multi-sensor fan-out.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC18F65J50-I/PT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC18F66J50-I/PT | PIC18F65J11-I/PT | PIC18F65J10-I/PT | PIC18F63J90-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (PT) 10x10 mm | 64-TQFP (PT) 10x10 mm | 64-TQFP (PT) 10x10 mm | 64-TQFP (PT) 10x10 mm | 64-TQFP (PT) 10x10 mm |
| Max CPU Clock | 48 MHz (12 MIPS) | 48 MHz (12 MIPS) | 48 MHz (12 MIPS) | 48 MHz (12 MIPS) | 40 MHz (10 MIPS) |
| Flash Memory | 32 KB (16K x 16) | 64 KB (+100%) | 32 KB (same) | 32 KB (same) | 8 KB (smaller) |
| USB 2.0 Device | Full-Speed, on-chip transceiver | Full-Speed, on-chip transceiver | None (no USB PHY) | None (no USB PHY) | None (no USB PHY) |
| EUSART (LIN-capable) | 2 | 2 | 2 | 2 | 2 |
| I/O Pins | 54 | 54 | 54 | 54 | 54 |
| Operating Temperature | -40C to +85C (I-grade) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
اہم امتیازی خصوصیات
- Largest Flash in same 64-TQFP footprint at +100% memory (بمقابلہPIC18F66J50-I/PT)
- USB 2.0 Full-Speed on-chip transceiver (بمقابلہPIC18F65J11-I/PT)
- Sustained 48 MHz / 12 MIPS throughput (بمقابلہPIC18F63J90-I/PT)
ڈیزائن نوٹس
The PIC18F65J50-I/PT uses an internal 3.3V regulator to power the core from the external 4.2-5.5V supply rail; bulk-decoupling on VDD/VSS pairs and AVdd/AVss pairs must be tight (0.1 uF ceramic + 10 uF bulk) to keep regulator noise off the ADC references. For USB, ensure VUSB has the recommended 220 nF decoupling and the D+/D- 1.5 k pull-up to VUSB is present only on D+ for Full-Speed enumeration.
J-family PIC18 devices operate primarily at 2.0-3.6V even though the datasheet primary spec lists 4.2-5.5V. The "4.2-5.5V" figure in some listings reflects a different bias. Always check the specific datasheet page for VDDMIN before migrating from F-series designs; under-voltage causes erratic Flash programming and unstable USB enumeration. Do not exceed the absolute-maximum VDD of 5.5V during ICSP programming.
Place the 12 MHz fundamental-mode crystal within 5 mm of OSC1/OSC2 with symmetrical traces over a continuous ground pour to meet the USB Full-Speed clock-accuracy budget. Keep the D+/D- pair matched-length with 90 ohm differential impedance, and route them far from switching traces like PWM outputs (RC2/P1A in this part). Use a ground-moat around the USB bus to reduce common-mode noise.
Estimated: at full 48 MHz CPU clock drawing 25 mA typ from 5V, dissipation is 0.125 W, well within the 64-TQFP's ~50 C/W theta_JA on a 2-layer board. However, USB bus-powered designs can deliver 500 mA to downstream loads, which raises local ambient inside the enclosure; derate ambient by 5-10 C for hot enclosures. No external heatsink is needed for this MCU's own dissipation.
تعمیل کی معلومات
RoHS and lead-free per DigiKey listing. Standard PIC18F65J50-I/PT is industrial-grade (-40C to +85C); AEC-Q100 automotive variants are available under different ordering codes (-E or -Q suffix) per Microchip PIC18 automotive product line.
