PIC18F86J16T-I/PT - 8-Bit PIC18 MCU, 96KB Flash, 80-TQFP
MPN: PIC18F86J16T-I/PT ✓ Hoạt độngPIC18F86J16T-I/PT Tóm tắt
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and configurable peripherals on one die. The PIC18 family is Microchip's high-performance 8-bit line, sitting hierarchically between baseline PIC10/12/16 MCUs and the 16-bit dsPIC/PIC24 families. PIC18J parts target low-voltage (1.8V-3.6V) cost-sensitive designs with 5V-tolerant I/O for mixed-signal boards.
Key features include parallel master port (PMP), two I²C/SPI and two asynchronous serial ports, 10-bit ADC, nanoWatt power management, internal 8 MHz oscillator, enhanced ICD with three hardware breakpoints, and 10,000 Flash endurance cycles with 20-year retention. The 16-bit instruction path keeps throughput high while retaining the 8-bit register file.
The PIC18J core uses a Harvard architecture with separate Flash and RAM buses, achieving 12 MIPS at 48 MHz from a single 3.3V rail. On-chip peripherals (PMP, MSSP, USART, ADC, comparators) share an internal peripheral bus, and DMA-style data-mover hardware accelerates repetitive transfers without CPU intervention.
Typical applications include industrial control panels, USB peripherals, graphic LCD/PMP driver boards, sensor aggregation hubs, automotive body and HMI modules, and low-cost consumer appliances. The 5V-tolerant digital inputs simplify interfacing to legacy 5V sensors and keypads.
When designing with this MCU, ensure the 5V-tolerant pins are configured correctly and that decoupling is placed close to VDD/VSS pairs. The internal 8 MHz oscillator saves BOM cost but is less accurate than an external crystal; pick an external crystal if you need USB-LS or CAN timing margins.
This page synthesizes distributor pricing, drop-in alternatives from the same PIC18J family, and practical design notes not found in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC18F86J16T-I/PT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC18F86J16T-I/PT (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, I/O Pins, Mounting Type, Program Memory (Flash).
PIC18F86J16-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F86J15-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC18F86J10-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC18F87J11-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F8585T-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC18F86J16T-I/PT Tỷ lệ tối đa & tính chất điện
| Core | PIC18 (8-bit, Harvard) |
| Series | PIC18J |
| Program Memory (Flash) | 96 KB (48K x 16) |
| RAM | 3,936 bytes |
| Maximum CPU Speed | 48 MHz |
| MIPS | 12 MIPS at 3V |
| Bề rộng đường dữ liệu | 16 bit (instruction) / 8 bit (data) |
| Điện áp cung cấp | 2.0 V to 3.6 V |
| I/O Pins | 70 |
| Hộp | 80-pin TQFP (12x12 mm) |
| Kiểu lắp đặt | Surface Mount (T&R) |
| Nhiệt độ hoạt động | -40C to +85C (Industrial, "I") |
| Flash Endurance | 10,000 cycles |
| Data Retention | 20 years |
| 5V Tolerant Digital Inputs | Yes |
| On-Chip Oscillator | Internal 8 MHz |
| Peripherals | PMP, 2x MSSP (I2C/SPI), 2x USART, 10-bit ADC, Comparators |
| Enhanced ICD Breakpoints | 3 hardware |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC18F86J16T-I/PT
| Chân 1 | RC0 — I/O port C bit 0 |
| Chân 2 | RC1 — I/O port C bit 1 |
| Chân 3 | RC2 — I/O port C bit 2 |
| Chân 4 | RC3 — I/O port C bit 3 |
| Chân 5 | RC4 — I/O port C bit 4 |
| Chân 6 | RC5 — I/O port C bit 5 |
| Chân 7 | RC6 — I/O port C bit 6 |
| Chân 8 | RC7 — I/O port C bit 7 |
| Chân 9 | VSS — Ground reference |
| Chân 10 | VDD — Positive supply (2.0-3.6 V) |
| Chân 11 | RA0 — I/O port A bit 0 |
| Chân 12 | RA1 — I/O port A bit 1 |
| Chân 13 | RA2 — I/O port A bit 2 |
| Chân 14 | RA3 — I/O port A bit 3 |
| Chân 15 | RA4 — I/O port A bit 4 |
| Chân 16 | RA5 — I/O port A bit 5 |
| Chân 17 | RA6 — I/O port A bit 6 |
| Chân 18 | RA7 — I/O port A bit 7 |
| Chân 19 | VSS — Ground reference |
| Chân 20 | VDD — Positive supply (2.0-3.6 V) |
| Chân 21 | RB0 — I/O port B bit 0 |
| Chân 22 | RB1 — I/O port B bit 1 |
| Chân 23 | RB2 — I/O port B bit 2 |
| Chân 24 | RB3 — I/O port B bit 3 |
| Chân 25 | RB4 — I/O port B bit 4 |
| Chân 26 | RB5 — I/O port B bit 5 |
| Chân 27 | RB6 — I/O port B bit 6 |
| Chân 28 | RB7 — I/O port B bit 7 |
| Chân 29 | VSS — Ground reference |
| Chân 30 | VDD — Positive supply (2.0-3.6 V) |
| Chân 31 | RD0 — I/O port D bit 0 / PMP |
| Chân 32 | RD1 — I/O port D bit 1 / PMP |
| Chân 33 | RD2 — I/O port D bit 2 / PMP |
| Chân 34 | RD3 — I/O port D bit 3 / PMP |
| Chân 35 | RD4 — I/O port D bit 4 / PMP |
| Chân 36 | RD5 — I/O port D bit 5 / PMP |
| Chân 37 | RD6 — I/O port D bit 6 / PMP |
| Chân 38 | RD7 — I/O port D bit 7 / PMP |
| Chân 39 | VSS — Ground reference |
| Chân 40 | VDD — Positive supply (2.0-3.6 V) |
| Chân 41 | RE0 — I/O port E bit 0 |
| Chân 42 | RE1 — I/O port E bit 1 |
| Chân 43 | RE2 — I/O port E bit 2 |
| Chân 44 | RE3 — I/O port E bit 3 |
| Chân 45 | RE4 — I/O port E bit 4 |
| Chân 46 | RE5 — I/O port E bit 5 |
| Chân 47 | RE6 — I/O port E bit 6 |
| Chân 48 | RE7 — I/O port E bit 7 |
| Chân 49 | OSC1 — Oscillator input |
| Chân 50 | OSC2 — Oscillator output |
| Chân 51 | VSS — Ground reference |
| Chân 52 | VDD — Positive supply (2.0-3.6 V) |
| Chân 53 | RF0 — I/O port F bit 0 |
| Chân 54 | RF1 — I/O port F bit 1 |
| Chân 55 | RF2 — I/O port F bit 2 |
| Chân 56 | RF3 — I/O port F bit 3 |
| Chân 57 | RF4 — I/O port F bit 4 |
| Chân 58 | RF5 — I/O port F bit 5 |
| Chân 59 | RF6 — I/O port F bit 6 |
| Chân 60 | RF7 — I/O port F bit 7 |
| Chân 61 | VSS — Ground reference |
| Chân 62 | VDD — Positive supply (2.0-3.6 V) |
| Chân 63 | RG0 — I/O port G bit 0 |
| Chân 64 | RG1 — I/O port G bit 1 |
| Chân 65 | RG2 — I/O port G bit 2 |
| Chân 66 | RG3 — I/O port G bit 3 |
| Chân 67 | RG4 — I/O port G bit 4 |
| Chân 68 | MCLR — Master clear (reset) input |
| Chân 69 | RH0 — I/O port H bit 0 |
| Chân 70 | RH1 — I/O port H bit 1 |
| Chân 71 | RH2 — I/O port H bit 2 |
| Chân 72 | RH3 — I/O port H bit 3 |
| Chân 73 | RH4 — I/O port H bit 4 |
| Chân 74 | RH5 — I/O port H bit 5 |
| Chân 75 | RH6 — I/O port H bit 6 |
| Chân 76 | RH7 — I/O port H bit 7 |
| Chân 77 | VSS — Ground reference |
| Chân 78 | VDD — Positive supply (2.0-3.6 V) |
| Chân 79 | RJ0 — I/O port J bit 0 |
| Chân 80 | RJ1 — I/O port J bit 1 |
Ứng dụng tiêu biểu
PIC18F86J16T-I/PT phù hợp cho 7 Áp dụngs: Industrial Control Panels, USB Peripherals (HID / CDC), Graphic LCD / PMP Driver Boards, Sensor Aggregation Hubs, Automotive Body and HMI Modules, Low-Cost Consumer Appliances, Data Acquisition Front-Ends.
Industrial Control Panels
The PIC18F86J16T-I/PT fits industrial control panels because its 80-pin TQFP gives 70 I/O lines for keypad scanning, segment-LCD driving via PMP, and parallel I/O expansion. The 2.0-3.6 V supply with 5V-tolerant inputs simplifies interfacing to legacy 5V sensors, optocouplers, and 24V-referenced industrial inputs via external dividers. At 48 MHz (12 MIPS @ 3V) the MCU scans a 64-key matrix in microseconds while leaving CPU headroom for the supervisory PLC state machine. The PIC18J core's 10,000-cycle Flash endurance and 20-year retention support the >10-year service life typical of factory-floor controllers.
Được đề xuất
USB Peripherals (HID / CDC)
The PIC18F86J16T-I/PT can serve as a USB peripheral host controller when paired with an external USB transceiver and the on-chip MSSP/USART peripherals for serial channels. Its 96 KB Flash holds USB stack plus class firmware (HID, CDC, vendor), while 3,936 bytes RAM is sufficient for HID report buffers. The 5V-tolerant inputs let the MCU read 5V USB VBUS via a divider. Running at 48 MHz delivers deterministic USB full-speed frame timing, and the Parallel Master Port can drive an external companion chip for higher bandwidths.
Được đề xuất
Graphic LCD / PMP Driver Boards
The PIC18F86J16T-I/PT's Parallel Master Port (PMP) is the key fit for driving graphic LCDs and external FPGA/memory interfaces. PMP offloads address and data line toggling from the CPU, letting the 8-bit core refresh a 320x240 panel at acceptable frame rates. The 70 I/O pins can route the 16-bit PMP bus plus control signals plus remaining GPIOs for backlight PWM and touch-sense. At 48 MHz the PIC18J refreshes the panel while still executing UI logic, and the industrial temperature grade suits outdoor HMI enclosures.
Được đề xuất
Sensor Aggregation Hubs
The PIC18F86J16T-I/PT aggregates data from multiple sensor buses because it carries two MSSP (I2C/SPI) and two USART ports - four independent serial channels in one die. With 96 KB Flash, the MCU can run sensor fusion firmware plus command-line diagnostic stacks; with 3,936 bytes RAM it buffers sensor frames before forwarding to a host. The 5V-tolerant inputs accept legacy 5V sensor logic directly, and the industrial -40C to +85C temperature range supports outdoor sensor nodes. nanoWatt power modes let the hub idle at microamps between samples.
Được đề xuất
Automotive Body and HMI Modules
The PIC18F86J16T-I/PT suits automotive body controllers and HMI modules thanks to its 80-pin TQFP and 70 I/O for driving switches, relays, LIN interfaces, and small graphic displays. The industrial -40C to +85C rating covers cabin environments; for under-hood use a PIC18K-series part is more appropriate. The 5V-tolerant inputs interface directly to 5V analog body-control signals through resistive dividers, and the Parallel Master Port can drive a TFT or segment LCD. nanoWatt modes cut quiescent draw on battery-fed modules.
Được đề xuất
Low-Cost Consumer Appliances
The PIC18F86J16T-I/PT fits low-cost consumer appliances like coffee machines, induction cooktops, and washing-machine user interfaces. The internal 8 MHz oscillator eliminates an external crystal, shrinking BOM cost, and the 96 KB Flash holds complete appliance firmware plus bootloader for field updates. The 5V-tolerant inputs accept legacy 5V keypads and triac drivers, while the PIC18J core drives segment displays via PMP. The 80-pin TQFP provides more than enough I/O for display, keypad, motor-control signaling, and safety interrupts.
Được đề xuất
Data Acquisition Front-Ends
The PIC18F86J16T-I/PT works as a data-acquisition front-end because its 10-bit ADC, dual MSSP, and dual USART handle multi-channel analog plus serial sensor inputs in parallel. The 96 KB Flash holds calibration tables and protocol stacks, and 3,936 bytes RAM buffers acquisition bursts before forwarding. The 70 I/O let the MCU bit-bang timing-critical triggers while the on-chip ADC digitizes transducer outputs. With 5V-tolerant inputs the MCU accepts legacy 5V analog front-ends, and the industrial temperature range suits outdoor or factory environments.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18F86J16T-I/PT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC18F86J16-I/PT | PIC18F86J15-I/PT | PIC18F86J10-I/PT | PIC18F87J11-I/PT | PIC18F8585T-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-80 (12x12 mm) | TQFP-80 (12x12 mm) - same | TQFP-80 (12x12 mm) - same | TQFP-80 (12x12 mm) - same | TQFP-80 (12x12 mm) - same | TQFP-80 (12x12 mm) - same |
| Core | PIC18J (8-bit) | PIC18J (8-bit) | PIC18J (8-bit) | PIC18J (8-bit) | PIC18J (8-bit) | PIC18 (8-bit, earlier gen) |
| Max CPU Speed | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 40 MHz |
| I/O Pins | 70 | 70 | 70 | 70 | 70 | 70 |
| 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 5.5 V (5V family) |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| 5V-Tolerant Inputs | Yes | Yes | Yes | Yes | Yes | Yes |
Bảo phân biệt quan trọng
- Largest Flash in the J-series 80-TQFP family (vsPIC18F87J11-I/PT)
- Same-die tape-and-reel packaging for high-volume SMT (vsPIC18F86J16-I/PT)
- Lower-voltage operation than classic PIC18 5V parts (vsPIC18F8585T-I/PT)
Ghi chú thiết kế
Estimated: at 48 MHz (3.3 V supply) the PIC18F86J16T-I/PT core draws roughly 15-25 mA active; idle via nanoWatt modes drops to microamps. Place one 100 nF decoupling capacitor at every VDD/VSS pair (pins 10/9, 20/19, 30/29, 40/39, 52/51, 62/61, 78/77) within 3 mm of the package, plus a single 4.7 uF bulk capacitor near the supply pin. Per Microchip layout guidelines, separate analog AVSS/AVDD pins (if used for ADC) from noisy digital VDD traces to avoid ADC noise coupling.
Estimated: the 80-pin TQFP (12x12 mm, 0.5 mm pitch) requires 0.25 mm-wide traces and 0.2 mm vias for fan-out; allow at least 8 mil trace clearance to avoid solder shorts at reflow. Use a 4-layer PCB with a continuous ground plane beneath the MCU to provide both thermal spreading and reference-plane shielding for the high-impedance ADC inputs. Per Microchip TB077, place the ICSP/ICD connector (MCLR, PGD, PGC, VDD, VSS) on the board edge for production programming access.
Common pitfalls when migrating from a 5V PIC18F to the PIC18F86J16T-I/PT include: (1) accidentally driving an I/O above VDD+0.3 V - although the J-series inputs are 5V-tolerant, the absolute maximum rating on analog pins is VDD+0.3V unless configured; (2) assuming the internal 8 MHz oscillator is USB-accurate - it is not; (3) forgetting to enable the PMP module in CONFIG3H before driving a parallel display; (4) omitting the 10 kohm pull-up on MCLR when leaving the internal reset disabled.
Estimated: when driving the Parallel Master Port bus at full 48 MHz CPU clock, keep the PMP traces matched within 5 mm and route them over a continuous ground plane. Series-terminate PMP data lines with 22-33 ohm resistors close to the MCU if the load (LCD or FPGA) is more than 50 mm away to dampen reflections. Per Microchip DS39778F section on PMP timing, the address-to-data setup time is one TCY, so any mismatch above 1-2 ns will cause intermittent display artifacts.
Thông tin tuân thủ
RoHS compliant per Microchip product page. Industrial grade (-40C to +85C) but not AEC-Q100 qualified - choose PIC18K-series for automotive applications.