PIC16F886T-I/SO - 20MHz 8-Bit 14KB Flash MCU | Microchip
MPN: PIC16F886T-I/SO ✓ Hoạt độngPIC16F886T-I/SO Tóm tắt
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, data memory, and integrated peripherals such as ADC, timers, comparators, and communication interfaces. Within the broader category hierarchy, the PIC16F886 belongs to: microcontroller -> embedded MCU -> 8-bit MCU -> RISC MCU -> CMOS flash MCU -> PIC16 mid-range family -> semiconductor IC. The 14 KB flash and 256-byte EEPROM provide sufficient headroom for embedded control firmware, while the integrated 10-bit ADC, two comparators, and capture/compare/PWM modules eliminate many external components.
Key features include 368 bytes of RAM, 11 channels of 10-bit ADC, two analog comparators, one enhanced capture/compare/PWM (ECCP) and one standard CCP, a synchronous serial port configurable as SPI or I2C, and an Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART). The nanoWatt technology provides multiple low-power modes (idle, sleep, and alternate oscillator options) for battery-friendly designs. The device operates from 2.0 V to 5.5 V across the industrial temperature range.
Architecturally, the PIC16F886 uses Microchip's RISC-style Harvard architecture with 35 single-word instructions, separate program and data buses, and a 14-bit instruction word. The integrated ICD (In-Circuit Debug) interface allows direct in-system programming and debugging using only two pins, reducing tooling cost.
Typical applications include consumer white-goods control, industrial sensor nodes, low-end motor and solenoid drivers, lighting controllers, battery chargers, and automotive body-control nodes (non-safety). Compared with 16- and 32-bit alternatives, the PIC16F886 offers lower BOM cost, simpler firmware, and broader tool/library support for cost-sensitive 8-bit designs.
When designing with this part, prioritize the 28-pin SOIC wide footprint for hand-solder-friendly prototypes, and budget for adequate decoupling (100 nF on each VDD pin) plus a low-ESR bulk capacitor. Use the ICD pins (RB6/RB7) for in-circuit programming to avoid surface-mount rework when firmware updates are needed.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes beyond the manufacturer datasheet, helping engineers evaluate fit for cost-sensitive 8-bit control designs.
Bộ thay thế dễ dàng lắp đặt cho PIC16F886T-I/SO — 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 PIC16F886T-I/SO (cùng hình factor và footprint) — khác nhau ở ADC, Package, Program Memory (Flash), Communication, Core.
PIC16F884T-I/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F882T-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F883T-I/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F887T-I/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F884T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F886T-I/SO Tỷ lệ tối đa & tính chất điện
| Manufacturer | Microchip Technology |
| Series | PIC 16F |
| Core | 8-bit RISC (PIC16 mid-range) |
| Instruction Set | 35 single-word instructions |
| Maximum CPU Frequency | 20 MHz |
| Program Memory (Flash) | 14 KB (8K x 14) |
| EEPROM Data Memory | 256 bytes |
| Data RAM | 368 bytes |
| I/O Pins | 25 (approx.) |
| ADC | 11 channels x 10-bit |
| Comparators | 2 |
| CCP / ECCP | 1 CCP + 1 Enhanced CCP |
| Communication | 1x EUSART, 1x MSSP (SPI/I2C) |
| Điện áp cung cấp | 2.0 V to 5.5 V |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| Hộp | 28-SOIC (wide, 7.50 mm body) |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 1 (unlimited floor life at <30C/85% RH) |
| Trạng thái RoHS | Compliant |
| In-Circuit Debug | Yes (ICD via RB6/RB7) |
Cấu hình chân PIC16F886T-I/SO
| Chân 1 | RA2/AN2/VREF-/CVREF — Port A bit 2 / ADC input 2 / negative voltage reference / comparator reference output |
| Chân 2 | RA3/AN3/VREF+ — Port A bit 3 / ADC input 3 / positive voltage reference |
| Chân 3 | RA4/T0CKI/C1OUT — Port A bit 4 / Timer0 clock input / Comparator 1 output |
| Chân 4 | RA5/AN4/SS/C2OUT — Port A bit 5 / ADC input 4 / SPI slave select / Comparator 2 output |
| Chân 5 | VSS — Ground reference |
| Chân 6 | RA7/OSC1/CLKIN — Port A bit 7 / crystal oscillator input / external clock input |
| Chân 7 | RA6/OSC2/CLKOUT — Port A bit 6 / crystal oscillator output / clock output |
| Chân 8 | RC1/T1OSI/CCP2 — Port C bit 1 / Timer1 oscillator input / Capture-Compare-PWM 2 |
| Chân 9 | RC2/CCP1 — Port C bit 2 / Capture-Compare-PWM 1 |
| Chân 10 | RC3/SCK/SCL — Port C bit 3 / SPI clock / I2C clock |
| Chân 11 | RC4/SDI/SDA — Port C bit 4 / SPI data in / I2C data |
| Chân 12 | RC5/SDO — Port C bit 5 / SPI data out |
| Chân 13 | RC6/TX/CK — Port C bit 6 / EUSART TX / EUSART clock |
| Chân 14 | RC7/RX/DT — Port C bit 7 / EUSART RX / EUSART data |
| Chân 15 | VSS — Ground reference |
| Chân 16 | VDD — Positive supply voltage (2.0 V to 5.5 V) |
| Chân 17 | RB7/ICSPDAT — Port B bit 7 / ICD data (programming/debug) |
| Chân 18 | RB6/ICSPCLK — Port B bit 6 / ICD clock (programming/debug) |
| Chân 19 | RB5/AN13/CCP3 — Port B bit 5 / ADC input 13 / Capture-Compare-PWM 3 |
| Chân 20 | RB4/AN11 — Port B bit 4 / ADC input 11 |
| Chân 21 | RB3/AN9/PGM — Port B bit 3 / ADC input 9 / LVP programming |
| Chân 22 | RB2/AN8 — Port B bit 2 / ADC input 8 |
| Chân 23 | RB1/AN10 — Port B bit 1 / ADC input 10 |
| Chân 24 | RB0/AN12/INT — Port B bit 0 / ADC input 12 / external interrupt |
| Chân 25 | RA0/AN0 — Port A bit 0 / ADC input 0 |
| Chân 26 | RA1/AN1 — Port A bit 1 / ADC input 1 |
| Chân 27 | VSS — Ground reference |
| Chân 28 | VDD — Positive supply voltage (2.0 V to 5.5 V) |
Ứng dụng tiêu biểu
PIC16F886T-I/SO phù hợp cho 6 Áp dụngs: Consumer White-Goods Control, Industrial Sensor Node / PLC I/O, Battery Charger / Power Management Front-End, LED Lighting Controller / DMX-512 Receiver, Hobbyist / Maker Education Platform, Automotive Body Control (PIC16F886-I/SO family, non-safety).
Consumer White-Goods Control
The PIC16F886T-I/SO fits washing-machine, dishwasher, and microwave-oven control boards thanks to its 14 KB flash for state-machine code, 11-channel 10-bit ADC for sensing water level / temperature / humidity, and 1 ECCP + 1 CCP for triac-driven heater and motor PWM control. The 2.0-5.5 V supply enables direct operation from a rectified 5 V or 3.3 V rail without an additional LDO. Compared with discrete logic controllers, the integrated EUSART allows UART-linked diagnostic ports for factory test and field service. Industrial -40C to +85C rating handles under-cabinet and garage-appliance environments.
Được đề xuất
Industrial Sensor Node / PLC I/O
For 4-20 mA loop-powered sensor nodes, isolated PLC digital-input cards, and remote I/O modules, the PIC16F886T-I/SO offers the 11-channel 10-bit ADC, two comparators for threshold detection, and the EUSART for RS-485 links at up to several hundred kbps. nanoWatt sleep currents under 1 microampere extend battery life in wireless sensor transmitters. The 28-SOIC wide footprint simplifies hand-soldered prototype rework in industrial field installations, and the -40C to +85C industrial temperature grade handles factory-floor thermal stress.
Được đề xuất
Battery Charger / Power Management Front-End
The PIC16F886T-I/SO is well-suited for Li-ion and lead-acid charger control: its 10-bit ADC samples charge current and battery voltage, the ECCP module drives a synchronous-rectifier MOSFET PWM at up to 20 MHz instruction rate, and the comparator implements instant over-current shutdown. The 2.0-5.5 V supply allows direct operation from a single-cell Li-ion pack down to its 3.0 V cutoff. Self-programmable Flash enables field firmware upgrades for new chemistry profiles. Compared with hardware-only charger ICs, an MCU-based design supports USB-PD, QC, and custom charging curves in one platform.
Được đề xuất
LED Lighting Controller / DMX-512 Receiver
RGBW LED strip drivers and architectural lighting controllers use the PIC16F886T-I/SO to decode DMX-512 (via EUSART) and generate high-resolution PWM across 4-8 LED channels using CCP and ECCP modules. The 14 KB flash stores lighting effects and personality profiles; 256-byte EEPROM saves DMX start address and calibration data across power cycles. The internal 10-bit ADC provides analog dimmer input via 0-10 V or potentiometer wiper. Compared with dedicated LED-driver ICs, this approach supports custom protocols (Art-Net, DALI) in firmware.
Được đề xuất
Hobbyist / Maker Education Platform
The PIC16F886T-I/SO is widely used in hobby robotics, maker kits, and university embedded-systems courses due to its simple 35-instruction RISC architecture, integrated ICD for in-circuit debugging without a header, and a broad community code library. The 28-SOIC wide package is hand-solder-friendly on through-hole adapter boards, and the 20 MHz speed handles real-time sensor fusion in small line-following or balancing robots. Microchip's MPLAB X IDE with XC8 compiler is free and supported on Windows, macOS, and Linux.
Được đề xuất
Automotive Body Control (PIC16F886-I/SO family, non-safety)
The PIC16F886T-I/SO at industrial -40C to +85C grade is suitable for non-safety automotive body-control applications such as interior lighting, seat-position memory, mirror-fold actuators, and HVAC blend-door control. For under-hood or safety-critical applications, Microchip recommends PIC16F18x or PIC18F automotive-qualified parts with AEC-Q100 documentation. The 14 KB flash supports body-controller state machines; the EUSART links to CAN-translator gateways; the ECCP module drives small brushed motors via H-bridge drivers.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F886T-I/SO — 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 | PIC16F884T-I/SO | PIC16F882T-I/SO | PIC16F883T-I/SO | PIC16F887T-I/SO | PIC16F884T-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC wide (7.50 mm) | 28-SOIC wide - same | 28-SOIC wide - same | 28-SOIC wide - same | 28-SOIC wide - same | 28-SOIC wide - same |
| Program Memory (Flash) | 14 KB | 14 KB | 3.5 KB | 7 KB | 14 KB | 14 KB |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Maximum CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 12-bit (upgrade) | 10-bit |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Supply Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| In-Circuit Debug (ICD) | Yes (RB6/RB7) | Yes (RB6/RB7) | Yes (RB6/RB7) | Yes (RB6/RB7) | Yes (RB6/RB7) | Yes (RB6/RB7) |
Bảo phân biệt quan trọng
- Highest Flash density in 28-SOIC PIC16F88x family at original price tier (vsPIC16F883T-I/SO)
- Lower cost than the 12-bit ADC PIC16F887 upgrade (vsPIC16F887T-I/SO)
- More Flash than the entry-level PIC16F882 (vsPIC16F882T-I/SO)
Ghi chú thiết kế
Place a 100 nF decoupling capacitor as close as possible to each VDD pin (pins 16 and 28). Add a 10 uF low-ESR bulk capacitor on the main supply rail to suppress digital switching transients. For battery applications, the PIC16F886T-I/SO supports a 1 uA typical sleep current per Microchip datasheet 41291F; use Sleep mode and Timer1 wake-up for sub-microampere standby power budgets. The wide 2.0-5.5 V supply enables direct single-cell Li-ion operation without an LDO.
Keep the ICSP clock/data traces (RB6/RB7) short and isolated from switching nodes to avoid programming glitches. Route the crystal traces (RA6/OSC2, RA7/OSC1) symmetrically with ground guard traces on both sides for stable oscillator operation. Place the MCLR pull-up resistor within 25 mm of pin 1 if used in reset mode. Maintain a continuous ground plane under the SOIC package and stitch vias around its perimeter for thermal and EMI performance.
Do not exceed 5.5 V on any pin - the PIC16F886 is NOT 5V-tolerant on analog/digital I/O when VDD < 5 V. When migrating from PIC16F84A legacy designs, note the ADC resolution increase (8-bit -> 10-bit) and SFR address differences; recompile firmware with the latest XC8 compiler. Avoid leaving unused I/O pins floating - configure them as outputs or enable the internal weak pull-ups to reduce sleep current and EMI. Finally, the LVP (low-voltage programming) pin RB3 must be pulled low in normal operation if LVP is disabled, otherwise the device will inadvertently enter programming mode.
The PIC16F886T-I/SO in 28-SOIC wide package typically has a thermal resistance (theta_JA) around 70-80 C/W on a standard 2-layer JEDEC test board. For sealed enclosures with no airflow, derate CPU clock to 5 MHz above +70C ambient. In typical industrial control applications drawing 10-20 mA active, self-heating is minimal (<2 C rise), but in motor-drive or LED-PWM applications where GPIO pins source/sink tens of milliamps, total package dissipation may reach 200-300 mW - check Microchip datasheet 41291F absolute maximum ratings.
Thông tin tuân thủ
RoHS compliant per Microchip product page. Industrial -40C to +85C temperature grade only - not AEC-Q100 qualified for automotive under-hood applications. For automotive body-control modules choose PIC16F1827 or PIC16F1938 AEC-Q100 variants.
