PIC16F1827-I/SO - 8-bit 32MHz 7KB Flash MCU | Microchip
MPN: PIC16F1827-I/SO ✓ Hoạt độngPIC16F1827-I/SO Tóm tắt
What is a PIC16 microcontroller? A PIC16 is an 8-bit Harvard-architecture microcontroller from Microchip Technology, belonging to the broader PIC® MCU family, which sits within the embedded microcontroller (MCU) category of integrated circuits. PIC16F parts use Flash program memory and feature the nanoWatt XLP™ ultra-low-power technology, making them suitable for battery-powered and energy-harvesting designs. The 16F 'F' suffix denotes Flash-based reprogrammable memory, distinguishing them from older one-time-programmable variants.
Key features of the PIC16F1827 include a 32MHz internal oscillator, integrated capacitive mTouch™ sensing module for touch-button user interfaces, a Data Signal Modulator (DSM) module, MI2C/SPI/EUSART with auto-baud detect peripherals, and nanoWatt XLP technology for sub-microamp sleep currents. The device also offers a 10-bit ADC with computation, multiple timers, and enhanced Capture/Compare/PWM peripherals.
Typical applications for the PIC16F1827-I/SO include consumer touch-interface appliances (replacing mechanical buttons with capacitive sensing), battery-powered sensor nodes leveraging XLP sleep modes, white goods and small motor control (washing machines, coffee makers, fans), IoT end-node controllers, and automotive body/comfort subsystems. The 18-SOIC package offers an easy-to-handle form factor for hand-soldering prototypes.
When designing with this part, pay close attention to the maximum supply voltage of 5.5V and select the appropriate '-I' industrial temperature grade (-40C to +85C). Use Microchip's MPLAB X IDE and XC8 compiler for firmware development, and PICkit 5 or ICD programmer for in-circuit debugging and programming via the ICSP interface.
This datasheet synthesizes distributor pricing (as of 2026-09-20), pin-compatible drop-in alternatives, and practical design considerations not found in the bare Microchip PIC16(L)F1826/1827 datasheet document.
Bộ thay thế dễ dàng lắp đặt cho PIC16F1827-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 PIC16F1827-I/SO (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, Core Architecture, ADC, Program Memory (Flash).
PIC16F1826-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1827-I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1827-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1826-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1826T-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1936-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1827-I/SO Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC® Enhanced Mid-Range 8-bit |
| Instruction Set | 49 instructions, 16 stack levels |
| Program Memory (Flash) | 7 KB (4K x 14) |
| RAM | 384 bytes |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Internal Oscillator | 32 MHz (factory calibrated) |
| Supply Voltage (Vdd) | 1.8 V to 5.5 V |
| I/O Pins | 12 |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial, 'I' suffix) |
| Hộp | 18-pin SOIC (SO) |
| Kiểu lắp đặt | Surface Mount |
| Touch Sensing | Integrated mTouch™ capacitive sensing module |
| Communication Peripherals | MI2C, SPI, EUSART with auto-baud |
| ADC | 10-bit ADC with computation (per family datasheet) |
| Low-Power Technology | nanoWatt XLP™ |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16F1827-I/SO
| Chân 1 | RA3/AN3/VPP/MCLR — Digital I/O / Analog 3 / Programming voltage / Master Clear (reset) |
| Chân 2 | RA4/AN4 — Digital I/O / Analog 4 |
| Chân 3 | RA5/AN5 — Digital I/O / Analog 5 |
| Chân 4 | RA0/AN0 — Digital I/O / Analog 0 |
| Chân 5 | RA1/AN1 — Digital I/O / Analog 1 |
| Chân 6 | RA2/AN2 — Digital I/O / Analog 2 |
| Chân 7 | VSS — Ground reference |
| Chân 8 | RB4 — Digital I/O port B |
| Chân 9 | RB5 — Digital I/O port B |
| Chân 10 | RB6/ICSPCLK — Digital I/O / ICSP clock |
| Chân 11 | RB7/ICSPDAT — Digital I/O / ICSP data |
| Chân 12 | VDD — Positive supply voltage |
| Chân 13 | RA7/OSC1/CLKIN — Digital I/O / Oscillator crystal 1 / Clock input |
| Chân 14 | RA6/OSC2/CLKOUT — Digital I/O / Oscillator crystal 2 / Clock output |
| Chân 15 | RC0 — Digital I/O port C |
| Chân 16 | RC1 — Digital I/O port C |
| Chân 17 | RC2 — Digital I/O port C |
| Chân 18 | RC3 — Digital I/O port C |
Ứng dụng tiêu biểu
PIC16F1827-I/SO phù hợp cho 6 Áp dụngs: Consumer Touch Interface Appliances, Battery-Powered Sensor Nodes, White Goods and Small Motor Control, IoT End-Node Controllers, Automotive Body and Comfort Subsystems, Educational and Hobby Electronics.
Consumer Touch Interface Appliances
The PIC16F1827-I/SO's integrated mTouch capacitive sensing module makes it ideal for replacing mechanical buttons with touch sliders or proximity sensors in consumer appliances. The 32MHz core runs Microchip's mTouch library with negligible latency, and the 7KB Flash stores button mappings. Powered from 2x AA cells, the XLP sleep current of under 1 uA enables months of standby; the 18-SOIC is hand-solder-friendly for prototype iteration of washing-machine or coffee-maker front panels.
Được đề xuất
Battery-Powered Sensor Nodes
The PIC16F1827-I/SO's nanoWatt XLP technology enables sub-microamp sleep modes, perfect for wireless sensor endpoints transmitting periodically. The 1.8V-5.5V supply runs directly from 2x AA or a single Li-ion down to depletion. The 12 I/O pins accommodate SPI sensor reads and a low-power RF module's interrupt line. With 7KB Flash, an application code that includes a small RTOSC radio driver and I2C sensor library fits comfortably.
Được đề xuất
White Goods and Small Motor Control
The PIC16F1827-I/SO handles brushed DC or small BLDC motor control in washing-machine pumps, fans, and coffee-machine grinders. The PWM/CCP peripherals drive MOSFET half-bridges with dead-band control, and the EUSART links to the main control panel. The enhanced mid-range core's 8 MIPS throughput is sufficient for trapezoidal commutation. The 18-SOIC industrial temperature grade (-40 to +85C) handles appliance under-cabinet environments.
Được đề xuất
IoT End-Node Controllers
The PIC16F1827-I/SO serves as a low-cost IoT endpoint reading sensors and forwarding packets via SPI-attached LoRa or sub-GHz radio. The Data Signal Modulator (DSM) module generates FSK modulation directly from the timer, offloading the radio waveform generation. With mTouch for user input, EUSART for AT-command WiFi modules, and 12 I/O for indicators, the MCU handles 80% of low-rate IoT edge nodes without upgrading to a 32-bit MCU.
Được đề xuất
Automotive Body and Comfort Subsystems
The PIC16F1827-I/SO drives automotive body controllers for window lifts, mirror adjustments, seat-position memory, and interior lighting. The 32MHz core and EUSART handle LIN-bus slave communication stacks. For under-dash environments, the industrial -40 to +85C temperature rating is adequate; for under-hood use, select the PIC16F1827-E/ML or a PIC16F1xxx with AEC-Q100 qualification. The 18-SOIC package is AOI-friendly for high-volume automotive PCBA.
Được đề xuất
Educational and Hobby Electronics
The PIC16F1827-I/SO is popular in maker projects and university courses thanks to its generous 7KB Flash, free XC8 toolchain, and PICkit 5 in-circuit debugger support. The 18-SOIC is breadboard-adapter friendly with a SOIC-to-DIP carrier. The mTouch module enables touch-lamp, smart-fan, and gesture-detector student projects, while the EUSART allows serial monitor debugging without extra hardware.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F1827-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 | PIC16F1826-I/SO | PIC16F1827-I/P | PIC16F1827-I/ML | PIC16F1826-I/SS | PIC16F1826T-I/SO | PIC16F1936-I/SO |
|---|---|---|---|---|---|---|---|
| Package | 18-SOIC (SO) | 18-SOIC (SO) - same | PDIP-18 (P) | QFN-20 (ML) | 20-SSOP (SS) | 18-SOIC (SO) - same | 18-SOIC (SO) - verify pinout |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 7 KB | 3.5 KB | 7 KB | 7 KB | 3.5 KB | 3.5 KB | 14 KB |
| RAM | 384 bytes | 256 bytes | 384 bytes | 384 bytes | 256 bytes | 256 bytes | 512 bytes |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| I/O Pins | 12 | 12 | 12 | 16 | 12 | 12 | 12 |
| mTouch Capacitive Sensing | Yes | Yes | Yes | Yes | Yes | Yes | No (LCD driver instead) |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Price (USD, qty 1) | 2.85 | 2.40 | 2.95 | 2.95 | 2.45 | 2.40 | 3.20 |
Bảo phân biệt quan trọng
- Largest Flash in PIC16F1826/1827 family (vsPIC16F1826-I/SO)
- Same-family drop-in across packages (vsPIC16F1827-I/P (PDIP-18) and PIC16F1827-I/ML (QFN-20))
- mTouch integrated vs PIC16F1936 LCD driver (vsPIC16F1936-I/SO)
Ghi chú thiết kế
Place a 100 nF ceramic decoupling capacitor as close as possible to the VDD pin (pin 12) of the PIC16F1827-I/SO. For designs using the ADC, add a 10 uF bulk capacitor on the VDD rail. The 1.8V-5.5V supply allows direct connection to two AA cells; however, add an MCP1700 LDO if RF modules require a clean 3.3V rail. Estimated: total quiescent current in Sleep mode with all peripherals off is typically below 1 uA per the XLP datasheet specification.
The 18-SOIC footprint requires thermal relief on the SOIC pads for hand-soldering and a 0.65 mm lead pitch. Keep the ICSP clock (RB6) and data (RB7) traces short (under 50 mm) to the programming connector to ensure stable in-circuit programming with PICkit 5. For mTouch sensing, surround each touch electrode with a ground hatch plane separated by at least 5 mm to avoid false triggers. Estimated: minimum ground clearance per Microchip mTouch design guide TB3069.
Do not exceed the absolute maximum VDD of 7.0V; reverse-polarity protection on the supply rail is recommended for battery-operated designs. The MCLR pin (pin 1) is shared with RA3/VPP - if used as a digital input, ensure the ICSP programmer can still drive VPP during programming. Always disable the watchdog timer in software if not used, to avoid unexpected resets during mTouch scanning. Per the family datasheet, configure FOSC and WDTE configuration bits before first programming.
Thông tin tuân thủ
RoHS compliant per Microchip product page. Industrial -40 to +85C temperature grade (not AEC-Q100 qualified - choose PIC16F1827-E grade or automotive-qualified PIC16F1xxx parts for AEC-Q100). Halogen-free classification not verified; request CoC from Microchip for confirmation.