PIC16F1827-I/P - 8-Bit MCU, 7KB Flash, 32MHz, 18-PDIP | Microchip
MPN: PIC16F1827-I/P ✓ Hoạt độngPIC16F1827-I/P Tóm tắt
An 8-bit PIC microcontroller is a compact, low-power CMOS computing device built around a RISC (Reduced Instruction Set Computing) Harvard architecture. PIC microcontrollers sit in the broader category of microcontrollers > embedded controllers > semiconductor ICs. They integrate a CPU core, non-volatile Flash program memory, SRAM, EEPROM, and a rich set of peripherals into a single chip, forming the building blocks of countless embedded systems ranging from consumer appliances to industrial sensor nodes.
Key features of the PIC16F1827-I/P include an internal 32 MHz oscillator, an integrated Capacitive mTouch sensing module for touch-button and slider interfaces, a Data Signal Modulator (DSM) for mixed-signal conditioning, and communication peripherals such as MI2C, SPI, and EUSART with auto-baud. The device also provides 2 ECCP (Enhanced Capture/Compare/PWM) modules, 2 standard CCP modules, a 12-channel 10-bit ADC, and nanoWatt XLP (eXtreme Low Power) technology for sleep currents as low as 20 nA.
Technically, the enhanced mid-range core offers 49 instructions with 16 stack levels, self read/write capable Flash, an integrated 32 MHz oscillator with PLL option, and a wide operating voltage range from 1.8 V to 5.5 V. The 18-pin PDIP footprint is breadboard-friendly, making the part popular in education, prototyping, and retrofit designs where through-hole assembly is preferred.
Typical applications include capacitive touch user interfaces (mTouch), battery-powered IoT sensor nodes leveraging XLP low-power modes, motor and lighting control with PWM, sensor signal conditioning with the DSM module, and industrial control systems needing robust EEPROM-backed data logging.
When designing with this device, plan for ICD/ICSP programming/debugging headers and follow Microchip AN-1256 for mTouch layout guidelines to avoid false touches and improve EMC immunity.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes that go beyond the manufacturer datasheet, making component selection faster for hardware engineers.
Bộ thay thế dễ dàng lắp đặt cho PIC16F1827-I/P — 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/P (cùng hình factor và footprint) — khác nhau ở Package, ADC, Program Memory (Flash), I/O Pins, Operating Temperature.
PIC16F1826-I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1823-I/P
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F1825-I/P
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16F1782-I/P
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F1713-I/P
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F1827-I/P Tỷ lệ tối đa & tính chất điện
| Core Architecture | Enhanced Mid-Range PIC16 8-bit |
| Instruction Set | 49 instructions, 16 stack levels |
| Maximum CPU Frequency | 32 MHz |
| Instruction Cycle Time | 200 ns at 20 MHz (125 ns at 32 MHz) |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data SRAM | 384 bytes |
| Data EEPROM | 256 bytes |
| Operating Voltage Range | 1.8 V to 5.5 V |
| Internal Oscillator | 32 MHz with PLL |
| I/O Pins | 16 digital I/O |
| ADC | 12-channel, 10-bit |
| PWM Modules | 2 ECCP + 2 CCP |
| Communication Peripherals | MI2C, SPI, EUSART (auto-baud) |
| Special Modules | mTouch capacitive sensing, Data Signal Modulator (DSM) |
| Low-Power Technology | nanoWatt XLP, sleep current ~20 nA |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| Hộp | 18-pin PDIP (Through-Hole) |
| Kiểu lắp đặt | Through-Hole |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân PIC16F1827-I/P
| Chân 1 | RA3/MCLR/VPP — Master Clear / programming voltage / GPIO |
| Chân 2 | RA4/AN3 — GPIO / analog input channel 3 |
| Chân 3 | RA5/T1CKI/CCP2 — GPIO / Timer1 clock input / CCP2 PWM |
| Chân 4 | RA6/OSC2/CLKO — GPIO / crystal oscillator output |
| Chân 5 | RA7/OSC1/CLKI — GPIO / crystal oscillator input |
| Chân 6 | VSS — Ground reference |
| Chân 7 | VDD — Positive supply (1.8V to 5.5V) |
| Chân 8 | RB0/AN12/CCP1 — GPIO / analog input / CCP1 PWM |
| Chân 9 | RB1/AN10 — GPIO / analog input channel 10 |
| Chân 10 | RB2/AN8 — GPIO / analog input channel 8 |
| Chân 11 | RB3/AN9/CCP2 — GPIO / analog / CCP2 |
| Chân 12 | RB4/AN11 — GPIO / analog input channel 11 |
| Chân 13 | RB5/AN13 — GPIO / analog input channel 13 |
| Chân 14 | RB6/ICSPCLK — GPIO / ICSP clock |
| Chân 15 | RB7/ICSPDAT — GPIO / ICSP data |
| Chân 16 | RC0 — GPIO |
| Chân 17 | RC1/CCP4 — GPIO / CCP4 PWM |
| Chân 18 | RC2/CCP3 — GPIO / CCP3 PWM |
Ứng dụng tiêu biểu
PIC16F1827-I/P phù hợp cho 6 Áp dụngs: Capacitive Touch User Interface, Battery-Powered IoT Sensor Node, PWM Motor and LED Lighting Control, Industrial Sensor Signal Conditioning, Home Appliance Control Board, Hobby and Educational Prototyping.
Capacitive Touch User Interface
The PIC16F1827-I/P is a natural fit for capacitive touch UI applications because of its integrated mTouch peripheral, which uses CVD to measure capacitance changes on a PCB electrode. The 18-PDIP package and 32 MHz CPU provide enough headroom to scan 12+ touch channels at low active currents, while XLP technology drops the device into 20 nA sleep between scans. Designers place 10-20 mm PCB pads under a plastic overlay, add a guard ring and ground hatch, and the same chip runs the application logic. Compared to dedicated touch ICs, the 1827 eliminates a companion MCU, simplifying BOM.
Được đề xuất
Battery-Powered IoT Sensor Node
With XLP nanoWatt technology and a 1.8 V to 5.5 V operating range, the PIC16F1827-I/P is well matched to battery-powered wireless sensor nodes that spend most of their life in sleep. The 32 MHz internal oscillator wakes the MCU in microseconds to service a sensor over I2C, transmit via EUSART or SPI to a sub-GHz radio, and return to deep sleep. The 256-byte EEPROM stores calibration constants without draining the cell. AA or coin-cell operation is practical for years-long deployments in environmental monitoring or asset-tracking.
Được đề xuất
PWM Motor and LED Lighting Control
Dual ECCP plus dual CCP modules make the PIC16F1827-I/P a compact controller for small DC motor speed loops or multi-channel LED dimming. Each ECCP can drive PWM at up to 10 kHz with configurable dead-band control and 10-bit resolution, well beyond what is needed for 50-2000 Hz motor PWM or 1 kHz LED dimming. The 32 MHz clock leaves cycles for current sensing via the ADC, while the 18-PDIP simplifies bench setup and repair. The DSM module can also modulate PWM outputs for driving high-side FETs with isolation in offline LED fixtures.
Được đề xuất
Industrial Sensor Signal Conditioning
The Data Signal Modulator (DSM) is the PIC16F1827-I/P's signature mixed-signal feature: it routes and modulates analog signals between peripherals (ADC, comparators, FVR) without CPU overhead, enabling zero-crossing detection, peak detection, and low-jitter sensor excitation. Combined with the 12-channel 10-bit ADC and integrated op-amp-ready peripherals, the MCU performs entire analog front-end tasks on a single die - ideal for thermocouple conditioning, bridge sensors, or current shunt amplification in industrial PLCs.
Được đề xuất
Home Appliance Control Board
Through-hole DIP packages remain popular in white-goods control boards because they survive harsh soldering and field rework. The PIC16F1827-I/P's industrial temperature range (-40C to +85C), 5V tolerance, and EEPROM-backed settings storage fit washing machines, microwave ovens, and small HVAC controls. EUSART plus MI2C allows the appliance to talk to user-interface boards, sensors, or inverter driver ICs. EEPROM endurance (1M cycles) covers lifetime user-setting storage in most consumer appliances.
Được đề xuất
Hobby and Educational Prototyping
The 18-PDIP PIC16F1827-I/P is breadboard-friendly and one of the most popular parts for embedded-systems teaching. Its support for free MPLAB X IDE, XC8 compiler, MPLAB Code Configurator, and ICSP programming on RB6/RB7 lowers the entry barrier for students. The integrated peripherals (ADC, PWM, mTouch, I2C/SPI) cover virtually every embedded topic in a single chip. DIP-package drop-in replacement paths to SOIC/QFN family variants let students prototype today and migrate to SMT for production without learning a new architecture.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F1827-I/P — 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/P | PIC16F1823-I/P | PIC16F1825-I/P | PIC16F1782-I/P | PIC16F1713-I/P |
|---|---|---|---|---|---|---|
| Package | 18-PDIP (Through-Hole) | 18-PDIP - same | 18-PDIP - same | 18-PDIP - same | 18-PDIP - same | 18-PDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 7 KB | 3.5 KB | 2 KB | 8 KB | 28 KB | 4 KB |
| SRAM | 384 bytes | 256 bytes | 128 bytes | 512 bytes | 1 KB | 512 bytes |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Data Signal Modulator (DSM) | Yes | No | No | Yes | No | No |
| Operating Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Unit Price @ Qty 100 (USD) | 1.55 | 1.42 | 1.20 | 1.65 | 1.89 | 1.49 |
Bảo phân biệt quan trọng
- Integrated Data Signal Modulator (DSM) (vsPIC16F1826-I/P)
- Doubled Flash capacity with same package (vsPIC16F1823-I/P)
- Better peripheral density than smaller memory siblings (vsPIC16F1782-I/P)
Ghi chú thiết kế
Layout matters for mTouch. Place a hatched ground plane at least 5 mm away from touch pads, and surround each pad with a narrow guard ring driven by the same low-impedance signal. Use Microchip AN-1256 guidelines for pad size and overlay thickness - thicker overlay or smaller pads degrade sensitivity dramatically. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of pin 7, and add a 10 uF bulk cap at the board input.
Estimated: at VDD = 5 V with all peripherals running at 32 MHz, active current is approximately 6 mA; dropping to sleep mode reduces this to ~20 nA. For battery-powered designs, ensure the wake-up source (interrupt on pin change, watchdog timer, or RTCC) is configured before entering Sleep - waking due to undefined state can cause a continuous partial wake that destroys the battery budget.
Do not omit the MCLR/VPP pull-up: pin 1 (RA3/MCLR) needs at least a 10 kohm pull-up to VDD for normal operation. Floating MCLR will cause spurious resets or failed programming. When using ICSP, ensure the load capacitance on RB6/ICSPCLK and RB7/ICSPDAT is small (< 50 pF) - heavy capacitance prevents high-speed programming and debugger handshake. If your board needs to share ICSP lines with user I/O, add series resistors (typically 4.7 kohm) to isolate the programmer.
When using the internal 32 MHz oscillator, the HFINTOSC accuracy is +/-2% across voltage and temperature after factory calibration - adequate for UART up to 9600 baud with EUSART auto-baud. For higher baud rates or RF timing, switch to a 16 MHz crystal on RA6/RA7. EUSART auto-baud is enabled by default in this family and locks onto a falling edge of the incoming byte, making it tolerant of small frequency mismatches between two PICs.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Industrial temperature grade (-40C to +85C). Not AEC-Q100 qualified - select automotive-grade PIC16F1827 variants for automotive designs. Halogen-free status not explicitly listed in datasheet or product page - flagged as unknown.
