PIC18F86J11-I/PT - 8-Bit 48MHz MCU, 64KB Flash 80-TQFP | Microchip
MPN: PIC18F86J11-I/PT ✓ פעילPIC18F86J11-I/PT סקירה
A PIC18 microcontroller is an 8-bit Harvard-architecture MCU from Microchip that sits in the company's mid-to-high tier of 8-bit devices. The PIC18 family sits in the hierarchy: 8-bit MCU -> PIC18 family -> PIC18FxxJxx (Flash, 3 V optimized) -> power management and connectivity ICs. Compared with the older PIC16 family, PIC18 parts add a wider instruction set, larger linear code space, more peripherals, and richer interrupt handling, making them the workhorse choice when engineers need more I/O and memory than a PIC16 can offer but do not need to step up to a 16-bit dsPIC or 32-bit device.
Key features include a 20-bit address bus capable of addressing up to 1 Mbit of Flash, two 8-bit and three 16-bit timers, two synchronous serial ports (I2C and SPI), two asynchronous serial ports (USART with LIN support), a 10-bit ADC, and two analog comparators. The device supports up to 12 MIPS operation at 3.0 V typical supply, with an operating voltage range of 2.0 V to 3.6 V and an industrial temperature range of -40 C to +85 C. The -I/PT suffix indicates industrial temperature grade in TQFP package.
Architecturally, the PIC18F86J11 uses an enhanced Harvard architecture with separate program Flash and data EEPROM/SRAM paths, a 32-level hardware stack, and an 8x8 hardware multiply engine. The 10-bit ADC provides up to 16 channels, and the device includes nanoWatt Technology power management with idle and sleep modes drawing microamp-level currents, suitable for battery-powered or energy-conscious designs.
Typical applications include industrial control and HMI panels, automotive body and comfort modules, USB and connectivity bridges, sensor aggregation nodes, and consumer appliance main controllers. The 80-pin TQFP package exposes ample I/O for parallel displays, keypads, and multiple serial channels concurrently.
When designing with this part, allocate sufficient decoupling (100 nF plus bulk) near each VDD/VSS pair and follow Microchip's recommended trace geometry for the 48 MHz oscillator. The Flash is rated for 1k erase/write cycles minimum, so use EEPROM emulation or external storage for high-write-count applications.
This page synthesizes distributor pricing, same-brand drop-in alternatives, and practical design notes not aggregated in a single manufacturer datasheet.
חלופות תחליף ישיר עבור PIC18F86J11-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 PIC18F86J11-I/PT (אותו גורם צורה וטביעת רגל) — שונים ב Package, Program Memory (Flash), Core Architecture, Operating Temperature, Timers.
PIC18F86J10-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F87J11-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F85J11-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F86J16-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F85K90-E/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F85J90-I/PT
✅ Drop-In ⚠️ מפרטים לא מאומתיםצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC18F86J11-I/PT דירוגים מרביים ומאפיינים חשמליים
| Core Architecture | PIC18, 8-bit RISC |
| Program Memory (Flash) | 64 KB (32K x 16) |
| Data RAM | 3.9 KB (on-chip SRAM) |
| Maximum CPU Frequency | 48 MHz |
| MIPS Performance | 12 MIPS |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| טמפרטורת פעולה | -40 C to +85 C (Industrial) |
| מארז | 80-pin TQFP (PT), 12x12 mm |
| ADC | 10-bit, up to 16 channels |
| Timers | 2 x 8-bit + 3 x 16-bit |
| Communication Interfaces | 2x SPI/I2C + 2x USART (LIN-capable) |
| Analog Comparators | 2 |
| Address Bus Width | 20-bit (up to 1 Mbit Flash addressing) |
| סוג הרכבה | Surface Mount |
| סטטוס RoHS | Compliant |
| Automotive Qualified | Recommended for automotive design (special order codes) |
תצורת פינים של PIC18F86J11-I/PT
| פין 1 | RH0/PMD0 — Port H I/O bit 0 / Parallel Master Port data 0 |
| פין 2 | RH1/PMD1 — Port H I/O bit 1 / PMP data 1 |
| פין 3 | RH2/PMD2 — Port H I/O bit 2 / PMP data 2 |
| פין 4 | RH3/PMD3 — Port H I/O bit 3 / PMP data 3 |
| פין 5 | RH4/PMD4 — Port H I/O bit 4 / PMP data 4 |
| פין 6 | RH5/PMD5 — Port H I/O bit 5 / PMP data 5 |
| פין 7 | RH6/PMD6 — Port H I/O bit 6 / PMP data 6 |
| פין 8 | RH7/PMD7 — Port H I/O bit 7 / PMP data 7 |
| פין 9 | VSS — Ground reference |
| פין 10 | VDD — Positive supply voltage (2.0 V to 3.6 V) |
| פין 11 | AVDD — Analog positive supply |
| פין 12 | AVSS — Analog ground reference |
| פין 13 | OSC1/CLKIN — Crystal oscillator input / external clock input |
| פין 14 | OSC2/CLKOUT — Crystal oscillator output / clock output |
| פין 15 | RC0/T1OSO — Port C I/O / Timer1 oscillator output |
| פין 16 | RC1/T1OSI — Port C I/O / Timer1 oscillator input |
| פין 17 | RC2/CCP1 — Port C I/O / Capture/Compare/PWM 1 |
| פין 18 | RC3/SCK1/SCL1 — Port C I/O / SPI1 clock / I2C1 clock |
| פין 19 | RC4/SDI1/SDA1 — Port C I/O / SPI1 data in / I2C1 data |
| פין 20 | RC5/SDO1 — Port C I/O / SPI1 data out |
| פין 21 | RC6/TX1/CK1 — Port C I/O / USART1 TX / clock |
| פין 22 | RC7/RX1/DT1 — Port C I/O / USART1 RX / data |
| פין 23 | RD0/PSP0 — Port D I/O / Parallel Slave Port 0 |
| פין 24 | RD1/PSP1 — Port D I/O / PSP 1 |
| פין 25 | RD2/PSP2 — Port D I/O / PSP 2 |
| פין 26 | RD3/PSP3 — Port D I/O / PSP 3 |
| פין 27 | RD4/PSP4 — Port D I/O / PSP 4 |
| פין 28 | RD5/PSP5 — Port D I/O / PSP 5 |
| פין 29 | RD6/PSP6 — Port D I/O / PSP 6 |
| פין 30 | RD7/PSP7 — Port D I/O / PSP 7 |
| פין 31 | VSS — Ground reference |
| פין 32 | VDD — Positive supply voltage (2.0 V to 3.6 V) |
| פין 33 | RE0/RD/AN5 — Port E I/O / Read strobe / Analog input 5 |
| פין 34 | RE1/WR/AN6 — Port E I/O / Write strobe / Analog input 6 |
| פין 35 | RE2/CS/AN7 — Port E I/O / Chip select / Analog input 7 |
| פין 36 | RE3/ADERR — Port E I/O / Address error |
| פין 37 | RE4/LVDIN — Port E I/O / Low-voltage detect input |
| פין 38 | RE5/AN8 — Port E I/O / Analog input 8 |
| פין 39 | RE6/AN9 — Port E I/O / Analog input 9 |
| פין 40 | RE7/CCP2/AN10 — Port E I/O / CCP2 / Analog input 10 |
| פין 41 | RF0/AN11 — Port F I/O / Analog input 11 |
| פין 42 | RF1/AN12/C2OUT — Port F I/O / Analog input 12 / Comparator 2 output |
| פין 43 | RF2/AN13/C1OUT — Port F I/O / Analog input 13 / Comparator 1 output |
| פין 44 | RF3/AN14 — Port F I/O / Analog input 14 |
| פין 45 | RF4/AN15 — Port F I/O / Analog input 15 |
| פין 46 | RF5/AN16 — Port F I/O / Analog input 16 |
| פין 47 | RF6/AN17 — Port F I/O / Analog input 17 |
| פין 48 | RF7/SS1 — Port F I/O / SPI1 slave select |
| פין 49 | RG0/ECCP3/P3A — Port G I/O / Enhanced CCP3 / PWM output 3A |
| פין 50 | RG1/TX2/CK2 — Port G I/O / USART2 TX / clock |
| פין 51 | RG2/RX2/DT2 — Port G I/O / USART2 RX / data |
| פין 52 | RG3/CCP3/P3D — Port G I/O / CCP3 / PWM output 3D |
| פין 53 | RG4/CCP4/P1D — Port G I/O / CCP4 / PWM output 1D |
| פין 54 | RG5/CCP5/P2D — Port G I/O / CCP5 / PWM output 2D |
| פין 55 | RG6/ECCP2/P2A — Port G I/O / Enhanced CCP2 / PWM output 2A |
| פין 56 | RG7/ECCP1/P1A — Port G I/O / Enhanced CCP1 / PWM output 1A |
| פין 57 | VSS — Ground reference |
| פין 58 | VDD — Positive supply voltage (2.0 V to 3.6 V) |
| פין 59 | RA0/AN0 — Port A I/O / Analog input 0 |
| פין 60 | RA1/AN1 — Port A I/O / Analog input 1 |
| פין 61 | RA2/AN2/VREF- — Port A I/O / Analog input 2 / VREF- |
| פין 62 | RA3/AN3/VREF+ — Port A I/O / Analog input 3 / VREF+ |
| פין 63 | RA4/T0CKI — Port A I/O / Timer0 clock input |
| פין 64 | RA5/AN4/SS2/HLVDIN — Port A I/O / Analog input 4 / SPI2 slave select / High/Low voltage detect |
| פין 65 | RB0/INT0/FLT0 — Port B I/O / External interrupt 0 / PWM fault 0 |
| פין 66 | RB1/INT1 — Port B I/O / External interrupt 1 |
| פין 67 | RB2/INT2 — Port B I/O / External interrupt 2 |
| פין 68 | RB3/INT3/ECCP2/P2A — Port B I/O / External interrupt 3 / ECCP2 / PWM output 2A |
| פין 69 | RB4/KBI0 — Port B I/O / Keyboard interrupt 0 |
| פין 70 | RB5/KBI1 — Port B I/O / Keyboard interrupt 1 |
| פין 71 | RB6/KBI2/PGC — Port B I/O / Keyboard interrupt 2 / ICSP clock |
| פין 72 | RB7/KBI3/PGD — Port B I/O / Keyboard interrupt 3 / ICSP data |
| פין 73 | MCLR/RE3 — Master clear (reset) input |
| פין 74 | RJ0 — Port J I/O bit 0 |
| פין 75 | RJ1 — Port J I/O bit 1 |
| פין 76 | RJ2 — Port J I/O bit 2 |
| פין 77 | RJ3 — Port J I/O bit 3 |
| פין 78 | RJ4 — Port J I/O bit 4 |
| פין 79 | RJ5 — Port J I/O bit 5 |
| פין 80 | RJ6 — Port J I/O bit 6 |
יישומים טיפוסיים
PIC18F86J11-I/PT מתאים עבור 6 יישוםs: Industrial Control and HMI Panels, Automotive Body and Comfort Modules, USB Connectivity Bridges and Sensor Aggregators, Consumer Appliance Main Controllers, Embedded Display and Keypad Controllers, Test and Measurement Front-End Controllers.
Industrial Control and HMI Panels
The PIC18F86J11-I/PT is well suited to industrial control panels and human-machine interface (HMI) front-ends because it combines 64 KB of Flash for protocol stacks and graphics state machines with 80-pin TQFP package offering ample I/O for keypads, character or graphic LCDs, and indicator LEDs. Its 12 MIPS performance at 48 MHz handles polling of multiple input channels while executing Modbus RTU or proprietary serial protocols over the two integrated USARTs. The nanoWatt sleep modes allow duty-cycled battery-backed operation in remote panels, and the -40 C to +85 C industrial temperature range tolerates factory-floor thermal stress. Estimated active current draw of 15-20 mA at 48 MHz and 3.3 V is acceptable when paired with a low-dropout regulator and bulk decoupling.
מומלץ
Automotive Body and Comfort Modules
With Microchip's recommendation for automotive design and special AEC-Q100 ordering codes, the PIC18F86J11-I/PT family is a credible candidate for body control modules (BCMs), lighting controllers, and HVAC user interfaces. The 20-bit program counter supports in-field firmware upgrades via the LIN or CAN-capable USARTs, while the 10-bit ADC with up to 16 channels reads analog sensor inputs such as temperature, light, and position. The wide operating voltage of 2.0 V to 3.6 V tolerates automotive cranking transients when paired with proper TVS protection. Estimated: design must include reverse-battery and load-dump protection at VDD, as the MCU has no internal automotive transient suppression.
מומלץ
USB Connectivity Bridges and Sensor Aggregators
Although the PIC18F86J11-I/PT lacks native USB, it can serve as a sensor-aggregation bridge that streams data over USB CDC class through an external UART-to-USB converter such as the MCP2200 or MCP2221. The 64 KB Flash accommodates USB command parsers and HID report descriptors, while 3.9 KB of SRAM holds transaction buffers. Two SPI ports allow simultaneous connection of an SD card and a sensor front-end, with the MCU's DMA-free interrupt-driven architecture keeping latency predictable at 12 MIPS. The 80-pin TQFP package supports parallel LCD or OLED panels for status displays, making the design suitable for handheld instruments or factory-floor diagnostic tools.
מומלץ
Consumer Appliance Main Controllers
The PIC18F86J11-I/PT's 64 KB Flash and 3.9 KB SRAM comfortably fit appliance firmware for washing machines, dishwashers, induction cookers, and microwave ovens. Its 12 MIPS at 48 MHz is sufficient for motor control loops using timer interrupts and PWM, while the 10-bit ADC reads multiple temperature sensors and water-level probes simultaneously. The industrial -40 C to +85 C range covers under-cabinet and engine-adjacent enclosures, and the 80-TQFP package exposes I/O for inverter bridge control signals and seven-segment or TFT status displays. Estimated: at full peripheral load and 48 MHz, total system current is around 30-40 mA, easily managed by a small buck regulator.
מומלץ
Embedded Display and Keypad Controllers
With up to 70 I/O pins on the 80-pin TQFP package, the PIC18F86J11-I/PT can directly drive character LCDs, small graphical OLED panels, and 8x8 or larger keypads without external logic. The hardware 8x8 multiplier accelerates button-debounce and menu navigation code, and the dual USARTs allow simultaneous debugging via UART and field-upgrade communication. Power consumption scales with clock and peripheral activity, with idle mode dropping current to single-digit milliamps when the display refresh timer is the only active peripheral. According to the Microchip datasheet, the integrated 8 MHz internal oscillator option simplifies designs where external crystals are undesirable.
מומלץ
Test and Measurement Front-End Controllers
Bench-top test instruments benefit from the PIC18F86J11-I/PT's combination of two USARTs (one for command interface, one for data streaming) plus two SPI ports for ADC, DAC, and digital potentiometer control. The 10-bit, 16-channel ADC provides adequate resolution for general-purpose voltage and current monitoring, while the 12 MIPS core executes calibration math and UART formatting in real time. The 64 KB Flash supports USB CDC command libraries, SCPI parsers, or vendor-proprietary protocols. The 80-pin TQFP's grounding scheme and exposed thermal pad assist EMI-sensitive analog measurements when combined with proper PCB partitioning.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור PIC18F86J11-I/PT — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | PIC18F86J10-I/PT | PIC18F87J11-I/PT | PIC18F85J11-I/PT | PIC18F86J16-I/PT | PIC18F85K90-E/PT | PIC18F85J90-I/PT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 80-pin TQFP (PT) | 80-pin TQFP (PT) - same | 80-pin TQFP (PT) - same | 64-pin TQFP (PT) - smaller footprint | 80-pin TQFP (PT) - same | 80-pin TQFP (PT) - same | 80-pin TQFP (PT) - same |
| Program Memory (Flash) | 64 KB | 64 KB | 128 KB | 64 KB | 96 KB | 32 KB | 32 KB |
| Data RAM | 3.9 KB | 3.9 KB | 3.9 KB | 3.9 KB | 3.9 KB | 2 KB | 2 KB |
| Maximum Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 64 MHz | 48 MHz |
| Core Architecture | PIC18 8-bit | PIC18 8-bit | PIC18 8-bit | PIC18 8-bit | PIC18 8-bit | PIC18 8-bit (K-series, eXtreme Low Power) | PIC18 8-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 | 1.8 V to 5.5 V | 2.0 V to 3.6 V |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +85 C |
מבדילים עיקריים
- Silicon enhancement upgrade path within same 80-TQFP footprint (לעומתPIC18F86J10-I/PT)
- Doubled Flash headroom in same package (לעומתPIC18F87J11-I/PT)
- Wider supply voltage tolerance for battery applications (לעומתPIC18F85K90-E/PT)
הערות תכנון
Place one 100 nF X7R ceramic bypass capacitor as close as possible to every VDD/VSS pair (pins 10/9, 32/31, 58/57), plus one 10 uF bulk capacitor on the main VDD rail. AVDD/AVSS at pins 11/12 should have their own 100 nF and 10 uF caps to isolate analog supply noise from the digital core. Use a dedicated LDO such as MCP1700-3302E for the analog rail to keep ADC readings clean at 10-bit resolution.
The 80-pin TQFP (12x12 mm) requires a 4-layer PCB minimum for clean impedance control of the 48 MHz oscillator traces. Keep crystal traces (OSC1/OSC2) as short as possible (under 10 mm) and surrounded by a ground guard ring. Separate analog and digital ground planes with a single connection point near the AVSS pin to avoid ground-loop noise coupling into the ADC.
Do not exceed the absolute maximum VDD of 4.0 V; the PIC18F86J11-I/PT is a 3.3 V part and lacks 5 V tolerance on I/O. The MCLR/RE3 pin (pin 73) requires a 10 kohm pull-up to VDD for normal operation and a 100 nF capacitor for decoupling; an ICSP programmer must be able to drive MCLR low for programming. Flash endurance is rated at 1k erase/write cycles minimum, so use EEPROM emulation or external SPI Flash for high-write-count data logging applications.
When using the Parallel Master Port (PMP) or Parallel Slave Port (PSP) on ports D/H/J, route the parallel data bus with matched trace lengths (delta under 5 mm) and a 33 ohm series damping resistor on each output to suppress overshoot on the 80 TQFP pin fan-out. The two USARTs support LIN by default; add a 1 kohm pull-up on the LIN bus per the LIN specification if used in an automotive network.
מידע על תאימות
Standard -I/PT part is industrial grade (-40 C to +85 C). For AEC-Q100 automotive qualification, special ordering codes are required per Microchip product page; standard -I/PT is not AEC-Q100 qualified.