PIC18F65J11-I/PT - 8-bit PIC18 MCU, 32KB Flash, 40MHz, TQFP-64 | Microchip
MPN: PIC18F65J11-I/PT ✓ فعالPIC18F65J11-I/PT نمای کلی
An 8-bit microcontroller (MCU) is a compact computing-on-a-chip that integrates a CPU, program memory (Flash), data memory (RAM), and peripherals into a single silicon die. The PIC18 family is a high-performance 8-bit architecture with an enhanced instruction set, hardware multiplier, and C-friendly design. Positioned in the broader taxonomy, an MCU sits within the semiconductor > integrated circuit > microcontroller > 8-bit MCU hierarchy, and is widely used where deterministic real-time control, low cost, and ease of programming outweigh the need for higher CPU throughput.
Key differentiating features of the PIC18F65J11 include 32KB of self-programmable Flash organized as 16K x 16 words, an internal 8 MHz oscillator with PLL options, dual analog comparators, two USART modules, a master I2C and SPI peripheral set, four 16-bit timers, and nanoWatt Technology power modes that lower sleep current below typical competitors. The device also supports in-circuit serial programming (ICSP) and In-Circuit Debug (ICD) for production-friendly firmware development.
Architecturally, the PIC18J core employs a 16-bit instruction word with Harvard bus separation and a hardware multiply engine, providing 10 MIPS at 40 MHz. The 64-pin TQFP package exposes the full peripheral set including external memory interfaces, making this part well-suited to applications that demand both signal conditioning and user-interface handling.
Typical applications for the PIC18F65J11-I/PT include data loggers, industrial controllers, automotive body and climate modules, consumer appliances, USB peripherals, and general-purpose embedded control. With 51 available I/O pins, designers can drive keypads, LCDs, multiple sensors, and communication buses without external glue logic.
When designing with this MCU, reserve one I/O pin for the MCLR reset function and add the recommended 10 kohm pull-up plus a decoupling capacitor as per Microchip application note guidelines. Surface-mount TQFP-64 assembly requires standard JEDEC MS-026 land patterns and reflow profiles consistent with Pb-free / RoHS-compliant SAC305 solder.
This page synthesizes distributor stock and pricing, validated drop-in alternatives, and practical design notes not found in the standalone datasheet.
جایگزین‌های drop-in برای PIC18F65J11-I/PT — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای PIC18F65J11-I/PT (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, Operating Temperature, ADC, Timers, I/O Pins.
PIC18F65J10-I/PT
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18F65J11T-I/PT
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
PIC18F66J11-I/PT
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
PIC18F67J11-I/PT
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18F85J11-I/PT
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18F64J11-I/PT
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC18F65J11-I/PT حداکثر مقادیر مجاز و مشخصات الکتریکی
| Architecture | PIC18J, 8-bit RISC, 16-bit instruction word |
| Program Memory | 32 KB Flash (16K x 16 words), self-programmable |
| Data RAM | 2048 bytes |
| Operating Frequency | Up to 40 MHz (10 MIPS) |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| I/O Pins | 51 digital I/O (54 port pins total) |
| ADC | 12-channel, 10-bit |
| Timers | 4 x 16-bit timers |
| Communication | 2x USART, 1x SPI, 1x I2C (Master) |
| Comparators | 2 analog comparators |
| Internal Oscillator | 8 MHz with PLL options |
| Power-Saving Modes | nanoWatt Technology (sleep, run, idle, etc.) |
| بسته‌بندی | TQFP-64 (10x10 mm, 1.0 mm height, MS-026) |
| نوع نصب | Surface Mount |
| دمای کاری | -40C to +85C (Industrial, '-I') |
| Programming/Debug | ICSP and ICD (In-Circuit Serial Programming & Debug) |
| وضعیت RoHS | Compliant (Pb-free TQFP) |
پیکربندی پین PIC18F65J11-I/PT
| پین 1 | RC2/PWM1 — I/O port C bit 2 / PWM output |
| پین 2 | RC3/SCL — I/O port C bit 3 / I2C clock |
| پین 3 | RC4/SDA — I/O port C bit 4 / I2C data |
| پین 4 | RC5/SDO — I/O port C bit 5 / SPI data out |
| پین 5 | RC6/TX1 — I/O port C bit 6 / USART1 TX |
| پین 6 | RC7/RX1 — I/O port C bit 7 / USART1 RX |
| پین 7 | RD0 — I/O port D bit 0 |
| پین 8 | RD1 — I/O port D bit 1 |
| پین 9 | RD2 — I/O port D bit 2 |
| پین 10 | RD3 — I/O port D bit 3 |
| پین 11 | RC0/T1OSO — I/O port C bit 0 / Timer1 oscillator output |
| پین 12 | RC1/T1OSI — I/O port C bit 1 / Timer1 oscillator input |
| پین 13 | RG4 — I/O port G bit 4 |
| پین 14 | RG3 — I/O port G bit 3 |
| پین 15 | RG2 — I/O port G bit 2 |
| پین 16 | RG1 — I/O port G bit 1 |
| پین 17 | RG0 — I/O port G bit 0 |
| پین 18 | RA0/AN0 — I/O port A bit 0 / ADC input 0 |
| پین 19 | RA1/AN1 — I/O port A bit 1 / ADC input 1 |
| پین 20 | RA2/AN2 — I/O port A bit 2 / ADC input 2 |
| پین 21 | RA3/AN3 — I/O port A bit 3 / ADC input 3 |
| پین 22 | RA4/T0CKI — I/O port A bit 4 / Timer0 clock input |
| پین 23 | RA5/AN4 — I/O port A bit 5 / ADC input 4 |
| پین 24 | VSS — Ground reference |
| پین 25 | VDD — Positive supply (2.0-3.6V) |
| پین 26 | RB0/INT0 — I/O port B bit 0 / External interrupt 0 |
| پین 27 | RB1/INT1 — I/O port B bit 1 / External interrupt 1 |
| پین 28 | RB2/INT2 — I/O port B bit 2 / External interrupt 2 |
| پین 29 | RB3/INT3 — I/O port B bit 3 / External interrupt 3 |
| پین 30 | RB4 — I/O port B bit 4 |
| پین 31 | RB5 — I/O port B bit 5 |
| پین 32 | RB6/PGC — I/O port B bit 6 / ICSP clock |
| پین 33 | RB7/PGD — I/O port B bit 7 / ICSP data |
| پین 34 | AVDD — Analog supply for ADC |
| پین 35 | AVSS — Analog ground for ADC |
| پین 36 | RD4 — I/O port D bit 4 |
| پین 37 | RD5 — I/O port D bit 5 |
| پین 38 | RD6 — I/O port D bit 6 |
| پین 39 | RD7 — I/O port D bit 7 |
| پین 40 | RE0/RD — I/O port E bit 0 / Parallel port read strobe |
| پین 41 | RE1/WR — I/O port E bit 1 / Parallel port write strobe |
| پین 42 | RE2/CS — I/O port E bit 2 / Parallel port chip select |
| پین 43 | RF0 — I/O port F bit 0 |
| پین 44 | RF1 — I/O port F bit 1 |
| پین 45 | RF2 — I/O port F bit 2 |
| پین 46 | RF3 — I/O port F bit 3 |
| پین 47 | RF4 — I/O port F bit 4 |
| پین 48 | RF5 — I/O port F bit 5 |
| پین 49 | RF6 — I/O port F bit 6 |
| پین 50 | RF7 — I/O port F bit 7 |
| پین 51 | VSS — Ground reference |
| پین 52 | VDD — Positive supply (2.0-3.6V) |
| پین 53 | OSC1/CLKIN — Crystal oscillator input / external clock |
| پین 54 | OSC2/CLKOUT — Crystal oscillator output / clock out |
| پین 55 | RH0 — I/O port H bit 0 |
| پین 56 | RH1 — I/O port H bit 1 |
| پین 57 | RH2 — I/O port H bit 2 |
| پین 58 | RH3 — I/O port H bit 3 |
| پین 59 | RE3 — I/O port E bit 3 |
| پین 60 | RE4 — I/O port E bit 4 |
| پین 61 | RE5 — I/O port E bit 5 |
| پین 62 | RE6 — I/O port E bit 6 |
| پین 63 | RE7 — I/O port E bit 7 |
| پین 64 | MCLR — Master clear reset (active-low), requires external pull-up |
کاربردهای معمول
PIC18F65J11-I/PT مناسب است برای 7 کاربردs: Battery-Powered Data Logger, Industrial Control PLC Module, Automotive Body and Climate Module, Consumer Appliance Control Board, USB Human Interface Device, HVAC Sensor Hub, Smart Home Edge Controller.
Battery-Powered Data Logger
The PIC18F65J11-I/PT fits battery-powered data loggers thanks to its nanoWatt Technology sleep modes and wide 2.0V-3.6V operating range. With 32KB Flash it can store MPLAB XC8-compiled firmware plus calibration lookup tables, while 2048 bytes RAM buffers sensor reads between SD card writes. The 12-channel 10-bit ADC handles multi-sensor inputs (temperature, humidity, voltage) directly, and 51 I/O pins drive SD card SPI, RTC I2C, and status LEDs without external glue logic. Industrial -40C to +85C operation supports outdoor and cold-chain deployments.
پیشنهادی
Industrial Control PLC Module
The PIC18F65J11-I/PT is well matched to industrial control PLC I/O modules where 51 digital I/O pins directly drive relays, opto-isolators, and 24V signal conditioning. The 40 MHz core executes 10 MIPS, sufficient for PID loop control and Modbus RTU polling over USART. Two analog comparators enable threshold-based alarms without external op-amps. The wide VDD range accepts 24V industrial rails after regulation, and the -40C to +85C temperature rating covers factory floor conditions. ICSP allows firmware updates in deployed cabinets without desoldering.
پیشنهادی
Automotive Body and Climate Module
The PIC18F65J11-I/PT is used in automotive body controllers, HVAC climate modules, and seat-control units where its 12-channel ADC reads thermistors and potentiometers directly. Two USART interfaces connect to LIN sub-bus controllers and diagnostic interfaces, while the I2C peripheral drives digital temperature sensors and EEPROM. The wide supply range tolerates 12V automotive battery transients after regulation, and the TQFP-64 footprint supports compact under-dash mounting. Designers add AEC-Q100 qualified parts for production; this part is industrial-grade only.
پیشنهادی
Consumer Appliance Control Board
In consumer appliances such as washing machines, dishwashers, and microwave ovens, the PIC18F65J11-I/PT drives keypads, character LCDs, buzzer feedback, and triac-controlled motor/ heater loads through its 51 I/O pins. The nanoWatt Technology sleep mode cuts standby current below typical appliance energy-star limits, and the 32KB Flash holds state-machine firmware plus menu localization tables. ICSP enables factory-side firmware provisioning for regional SKUs. The 10 MIPS performance handles real-time user interface response without perceivable lag.
پیشنهادی
USB Human Interface Device
The PIC18F65J11-I/PT serves as the host MCU in low-speed USB Human Interface Devices (HIDs) such as custom keyboards, macro pads, and HID-class game controllers when paired with an external USB transceiver. The two USARTs handle USB-to-UART bridging or MIDI I/O, and the SPI peripheral drives RGB LED chains for status backlighting. With 32KB Flash, the MCU runs HID report descriptors plus macro scripting. Industrial temperature rating supports gaming peripheral and KVM switch applications in demanding environments.
پیشنهادی
HVAC Sensor Hub
The PIC18F65J11-I/PT fits HVAC sensor hubs that aggregate temperature, humidity, and pressure sensors in commercial buildings. The 12-channel ADC handles multi-zone sensor scanning, and the I2C bus connects to modern digital sensors. USART interfaces pass aggregated telemetry to BACnet or Modbus gateways. Sleep modes between sample bursts extend battery life in wireless sensor nodes. With 51 I/O pins, designers can also integrate local keypad override and LCD readout without additional I/O expanders.
پیشنهادی
Smart Home Edge Controller
For smart-home edge controllers aggregating Zigbee, Z-Wave, or Wi-Fi sensor data, the PIC18F65J11-I/PT acts as the local supervisor. Two USARTs bridge to wireless modules, while SPI drives non-volatile storage for event logs. The 32KB Flash supports OTA bootloader plus minimal application logic, and 2048 bytes RAM handles command queues. nanoWatt Technology sleep mode supports battery-powered wireless sensor stick-down installations. Industrial temperature operation suits unheated garage and attic deployments.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای PIC18F65J11-I/PT — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | PIC18F65J10-I/PT | PIC18F65J11T-I/PT | PIC18F66J11-I/PT | PIC18F67J11-I/PT | PIC18F85J11-I/PT | PIC18F64J11-I/PT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-64 (10x10 mm, PT) | TQFP-64 (10x10 mm, PT) | TQFP-64 (10x10 mm, PT) | TQFP-64 (10x10 mm, PT) | TQFP-64 (10x10 mm, PT) | TQFP-80 (PT) - pin-count delta | TQFP-64 (10x10 mm, PT) |
| Flash Program Memory | 32 KB (16K x 16) | 32 KB | 32 KB | 64 KB (+100%) | 128 KB (+300%) | 32 KB | 16 KB (-50%) |
| Data RAM | 2048 bytes | 2048 bytes | 2048 bytes | 2048 bytes | 2048 bytes | 2048 bytes | 2048 bytes |
| Operating Frequency | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) |
| I/O Pins | 51 | 51 | 51 | 51 | 51 | 67 (+31%) | 34 (-33%) |
| ADC | 12-ch, 10-bit | 12-ch, 10-bit | 12-ch, 10-bit | 12-ch, 10-bit | 12-ch, 10-bit | 16-ch, 10-bit | 12-ch, 10-bit |
| Supply Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Pin Compatibility | Reference (TQFP-64) | Drop-in (TQFP-64) | Identical (TQFP-64) | Drop-in (TQFP-64) | Drop-in (TQFP-64) | Different package (TQFP-80) | Drop-in (TQFP-64) |
تفاوت‌های کلیدی
- Same TQFP-64 footprint but 2x Flash at 64KB (در مقابلPIC18F66J11-I/PT)
- NanoWatt Technology low-power modes versus prior J10 family (در مقابلPIC18F65J10-I/PT)
- Industrial temperature grade -40C to +85C versus consumer/economic parts (در مقابلPIC18F46K22-I/P)
یادداشت‌های طراحی
Decouple VDD and AVDD separately. Place a 100 nF ceramic capacitor as close as practical to each VDD/AVDD pin pair, and add a bulk 10 uF tantalum or aluminum-polymer capacitor on the main 3.3V rail. The PIC18F65J11's ADC accuracy depends on quiet AVDD; sharing AVDD with a noisy digital VDD without LC filtering can degrade ADC readings by 2-3 LSB. Per Microchip app note TB3019, AVSS must connect to a star-ground point that joins the analog ground plane, not a daisy-chained trace.
The TQFP-64 (10x10 mm) package has 0.5 mm pitch leads and benefits from standard JEDEC MS-026 land patterns with 0.25 mm-wide pads. Maintain a continuous ground plane beneath the IC and route signals on inner layers for cleaner EMI. Place the ICSP connector footprint on the board edge for production programming access - Microchip recommends a 6-pin 0.1-inch header with PGC/PGD/MCLR/VDD/VSS/NC pins per Microchip development tool documentation. Use Pb-free SAC305 solder paste and follow the JEDEC J-STD-020 reflow profile for MSL-3 moisture sensitivity.
Always add the MCLR external pull-up (typically 10 kohm to VDD) - leaving MCLR floating can cause spurious resets and unstable startup. The configuration bits must be set correctly before the first Flash write: disable the watchdog unless used, select the oscillator mode, and enable low-voltage programming. Avoid using OSC1 as a digital I/O when the internal RC oscillator is selected, as this can cause phantom clocking. For ADC accuracy, add a 100 nF bypass on the VREF+ pin (if used) and avoid switching heavy digital loads during ADC conversions.
اطلاعات انطباق
RoHS-compliant Pb-free TQFP-64 package per Microchip product page. NOT AEC-Q100 qualified - choose a PIC18F equivalent with Q100 suffix for automotive. Halogen-free status not explicitly disclosed; treated as unknown.
