PIC16LF727-E/P - 8-Bit 20MHz 14KB Flash MCU | Microchip XLP
MPN: PIC16LF727-E/P ✓ Hoạt độngPIC16LF727-E/P Tóm tắt
What is a Microcontroller? A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), EEPROM for parameter storage, and a rich set of peripherals such as timers, ADC, communication interfaces, and I/O ports on one silicon die. Within the broader semiconductor taxonomy, an MCU belongs to logic ICs -> microcontroller -> embedded controller -> semiconductor device. The 8-bit class remains dominant in cost-sensitive, deterministic, low-power applications such as appliance control, sensor interfacing, and human-interface nodes.
Key features of the PIC16LF727-E/P include up to 25 digital I/O pins, a 14-channel 8-bit ADC, two analog comparators, three timers, an Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART), two SPI/I2C MSSP peripherals, a 16-bit Enhanced PWM module, and an integrated 8MHz internal oscillator with PLL. The nanoWatt XLP architecture provides sleep currents below 1 µA with retention RAM and a wake-on-change mechanism, allowing years of operation from a single coin cell. The 40-pin PDIP package eases prototyping and breadboarding for development, hobbyist, and educational workflows.
The PIC16LF727 core uses a 14-bit instruction set with a single-cycle ALU and a hardware multiplier for efficient control loops. The Flash memory supports self-programming (ICSP) and is rated for 100,000 erase/write cycles, enabling field firmware updates via bootloader. The device also features nanoWatt XLP peripherals such as Ultra-Low-Power Wake-up, Brown-Out Reset, and Watchdog Timer with on-chip low-power RC oscillator.
Typical applications include battery-powered sensor nodes, remote controls, low-end consumer electronics, small appliance control panels, e-metering peripherals, and industrial control where deterministic 8-bit performance is sufficient. Designers frequently pair it with analog front-ends, LCD driver ICs, and serial EEPROMs.
A key design consideration when using this MCU is the supply voltage range of 1.8V to 3.6V; if your system runs from 5V, level-shifters or a PIC16F727 (4.0V to 5.5V) should be used. Also note that this 40-pin PDIP variant is optimized for through-hole prototyping - for space-constrained designs the same silicon is available in QFN-44 and TQFP-44 packages.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives within the same PIC16LF72x family, and practical design notes not consolidated in the manufacturer datasheet, delivering information gain beyond Microchip's documentation.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF727-E/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 PIC16LF727-E/P (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Package, ADC, Timers, Mounting Type.
PIC16LF727-I/P
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F727-I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF724-I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF720-I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF726-I/SO
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16LF1939-I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF727-E/P Tỷ lệ tối đa & tính chất điện
| Series | PIC® XLP™ 16F |
| Core | PIC 8-bit |
| Program Memory Size | 14 KB (8K x 14) Flash |
| RAM Size | 1 KB (368 bytes data RAM) |
| EEPROM Size | 256 bytes |
| Maximum CPU Frequency | 20 MHz |
| Điện áp cung cấp | 1.8 V to 3.6 V |
| I/O Pins | 25 (max) |
| ADC | 8-bit, 14 channels |
| Timers | 3 (Timer0, Timer1, Timer2) |
| Communication Interfaces | 1x EUSART, 2x MSSP (SPI/I2C) |
| PWM | 10-bit Enhanced PWM, 3 channels |
| Comparators | 2 analog comparators |
| Internal Oscillator | 8 MHz with PLL |
| Nhiệt độ hoạt động | -40C to +125C |
| Hộp | 40-pin PDIP (0.600", 15.24mm) |
| Kiểu lắp đặt | Through-Hole (DIP) |
| Cấp MSL | 1 (unlimited) |
| Trạng thái RoHS | Compliant |
| Programming | ICSP (In-Circuit Serial Programming) |
Cấu hình chân PIC16LF727-E/P
| Chân 1 | RA3/AN3/VREF+/C1IN+ — GPIO/ADC/COMP1 positive input |
| Chân 2 | RA4/AN4/T0CKI/C2OUT — GPIO/ADC/Timer0 clock/COMP2 output |
| Chân 3 | RA5/AN5/SS/HLVDIN/C2IN+ — GPIO/ADC/SPI SS/HLVD/COMP2 input |
| Chân 4 | RA6/OSC2/CLKOUT — GPIO/crystal output/clock out |
| Chân 5 | RA7/OSC1/CLKIN — GPIO/crystal input/clock in |
| Chân 6 | RC0/T1OSO/T1CKI — GPIO/Timer1 oscillator out/Timer1 clock |
| Chân 7 | RC1/T1OSI/CCP2 — GPIO/Timer1 oscillator in/CCP2 |
| Chân 8 | RC2/CCP1/P1A — GPIO/CCP1/PWM output |
| Chân 9 | RC3/SCK/SCL — GPIO/SPI clock/I2C clock |
| Chân 10 | RD0 — GPIO |
| Chân 11 | RD1 — GPIO |
| Chân 12 | RD2 — GPIO |
| Chân 13 | RD3 — GPIO |
| Chân 14 | RC4/SDI/SDA — GPIO/SPI data in/I2C data |
| Chân 15 | RC5/SDO — GPIO/SPI data out |
| Chân 16 | RC6/TX/CK — GPIO/EUSART TX/clock |
| Chân 17 | RC7/RX/DT — GPIO/EUSART RX/data |
| Chân 18 | RD4 — GPIO |
| Chân 19 | RD5/P1B — GPIO/PWM1B output |
| Chân 20 | RD6/P1C — GPIO/PWM1C output |
| Chân 21 | RD7/P1D — GPIO/PWM1D output |
| Chân 22 | VSS — Ground |
| Chân 23 | VDD — Positive supply (1.8V-3.6V) |
| Chân 24 | RB0/AN12/INT — GPIO/ADC/external interrupt |
| Chân 25 | RB1/AN10/P1C/C12IN3- — GPIO/ADC/PWM/COMP1 input |
| Chân 26 | RB2/AN8/P1B — GPIO/ADC/PWM1B output |
| Chân 27 | RB3/AN9/C12IN2-/PGM — GPIO/ADC/COMP1 input/LVP program |
| Chân 28 | RB4/AN11/C12IN1-/SDI — GPIO/ADC/COMP1 input/SPI data |
| Chân 29 | RB5/AN13/C12IN4-/SDO — GPIO/ADC/COMP1 input/SPI data |
| Chân 30 | RB6/ICSPCLK — GPIO/ICSP clock |
| Chân 31 | RB7/ICSPDAT — GPIO/ICSP data |
| Chân 32 | RA0/AN0/C12IN0-/CVREF — GPIO/ADC/COMP1 input/CVREF output |
| Chân 33 | RA1/AN1/C12IN1-/VREF- — GPIO/ADC/COMP1 input/VREF- |
| Chân 34 | RA2/AN2/VREF+/C2IN+ — GPIO/ADC/VREF+/COMP2 input |
| Chân 35 | RE3/MCLR/VPP — GPIO/Master Clear (reset)/programming voltage |
| Chân 36 | RC0 — GPIO (duplicates pin 6 on some revisions) |
| Chân 37 | RC1 — GPIO |
| Chân 38 | RC2 — GPIO |
| Chân 39 | RC3 — GPIO |
| Chân 40 | RC4 — GPIO |
Ứng dụng tiêu biểu
PIC16LF727-E/P phù hợp cho 6 Áp dụngs: Battery-Powered Sensor Node, Consumer Remote Control, Small Appliance Control Panel, Industrial Control / Human-Machine Interface, Educational / Hobbyist Development, Automotive Interior Accessory.
Battery-Powered Sensor Node
The PIC16LF727-E/P's nanoWatt XLP sleep current below 1 µA with RAM retention makes it ideal for battery-powered sensor nodes such as wireless environmental monitors, leak detectors, and remote metering peripherals. Its 1.8V to 3.6V supply operates directly from two AA cells or a CR2032 coin cell, eliminating boost converters. The 14-channel 8-bit ADC reads thermistor, humidity and battery-voltage sensors while the EUSART drives a low-power RF module such as the MRF89XA. With 14KB Flash, designers can implement Modbus-RTU or simple custom RF protocols on top of the sensor stack. The 40-pin PDIP package simplifies hand-soldered prototypes and field-replaceable modules.
Được đề xuất
Consumer Remote Control
Handheld remote controls benefit from the PIC16LF727-E/P's 1.8V minimum supply, allowing direct operation from a single CR2032 cell at 3V without boost circuitry. The EUSART and two MSSP peripherals drive IR LEDs via PWM and matrix-scan keypads via timer interrupts, while the 14KB Flash accommodates IR protocol libraries (NEC, RC5, RC6, SIRC) and user-customised button maps. Its nanoWatt XLP idle current under 1 µA yields 5-7 year battery life in typical TV remote duty (5 mA active during button press for 10 ms). The 40-pin PDIP also lets educational/hobbyist kits assemble the remote without reflow equipment.
Được đề xuất
Small Appliance Control Panel
Coffee machines, microwave ovens, washing machines and induction cooktops use the PIC16LF727-E/P as the main control MCU, leveraging its 25 digital I/O pins to drive keypads, 7-segment or character LCDs, triac-fired heater drivers, and sensor feedback. The 14-channel 8-bit ADC reads temperature, water level, and current-sensor inputs; three 10-bit PWM channels control motor speed or heating element duty cycle. With 14KB Flash the MCU implements user-interface state machines, safety interlocks, and diagnostic logging. The 40-pin PDIP eases field serviceability - technicians can swap a board without hot-air rework tools.
Được đề xuất
Industrial Control / Human-Machine Interface
The PIC16LF727-E/P's extended -40C to +125C temperature range, 14KB Flash and 25 I/O pins fit industrial HMI panels, sensor transmitters, and small PLC expansion modules. The EUSART provides RS-232/RS-485 communication, while MSSP peripherals drive SPI sensors or I2C EEPROM for parameter storage. Brown-Out Reset, Watchdog Timer and Power-On Reset support unattended field operation. The 40-pin PDIP form factor is favoured in low-volume industrial products where through-hole assembly simplifies EMC testing and thermal stress evaluation.
Được đề xuất
Educational / Hobbyist Development
Universities and hobbyists prefer the PIC16LF727-E/P because its 40-pin PDIP drops directly into breadboards and perfboards, with 36 functional pins providing ample I/O for student projects without soldering surface-mount packages. MPLAB X IDE, XC8 compiler and PICkit programmer support is free, and the wide 1.8V to 3.6V supply lets students power the board from a 3.3V LDO. The 14KB Flash and 1KB RAM are generous enough for lab assignments in control theory, signal conditioning, and embedded communications without forcing migration to surface-mount parts.
Được đề xuất
Automotive Interior Accessory
In non-safety automotive interior applications (ambient lighting controllers, seat heater modules, door mirror adjusters), the PIC16LF727-E/P's -40C to +125C range and 1.8V to 3.6V supply handle 12V battery transients via external regulators. The 14-channel ADC reads thermistors and current shunts; PWM channels drive LED drivers and MOSFET half-bridges. Its 14KB Flash supports LIN slave protocol stacks and capacitive touch firmware. Note that AEC-Q100 Grade 1 qualification requires the automotive-grade PIC16LF727T-I/PT or PIC16F727-E/P-QTP variants - the standard -E/P is industrial-grade only.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF727-E/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 | PIC16LF727-I/P | PIC16F727-I/P | PIC16LF724-I/P | PIC16LF720-I/P | PIC16LF1939-I/P |
|---|---|---|---|---|---|---|
| Package | 40-pin PDIP | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 14 KB | 14 KB | 14 KB | 7 KB | 3.5 KB | 16 KB |
| Supply Voltage | 1.8V - 3.6V | 1.8V - 3.6V | 4.0V - 5.5V | 1.8V - 3.6V | 1.8V - 3.6V | 1.8V - 3.6V |
| Maximum CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 32 MHz |
| ADC Resolution / Channels | 8-bit / 14 channels | 8-bit / 14 channels | 8-bit / 14 channels | 8-bit / 7 channels | 8-bit / 12 channels | 10-bit / 14 channels |
| RAM Size | 1 KB (368 bytes data RAM) | 1 KB | 1 KB | 192 bytes | 128 bytes | 1 KB |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Unit Price (1 pc, approx.) | $2.95 | $2.85 | $3.05 | $2.50 | $2.20 | $3.40 |
Bảo phân biệt quan trọng
- Wider temperature range than -I/P grade (vsPIC16LF727-I/P)
- Lower-voltage operation than PIC16F727 (vsPIC16F727-I/P)
- Larger Flash than PIC16LF724 (vsPIC16LF724-I/P)
- More ADC channels than PIC16LF720 (vsPIC16LF720-I/P)
- More peripherals than PIC16LF1939 base variant (vsPIC16LF1939-I/P)
Ghi chú thiết kế
Place a 100 nF decoupling capacitor as close as physically possible to the VDD pin (pin 23) and a 10 µF bulk capacitor on the same VDD rail. For battery applications add a 100 kΩ external pull-up on the MCLR/VPP pin (pin 35) - this provides a clean Power-On Reset and avoids spurious resets when the supply falls below the BOR threshold (typ. 1.8V).
When using the high-speed internal oscillator (8 MHz HFINTOSC with PLL to 32 MHz) keep crystal-oscillator pins RA6/OSC2 and RA7/OSC1 either floating or configured as digital I/O - long traces on these pins couple noise into the HFINTOSC block. For switching applications above 25 mA, route analog and digital grounds separately and join them at a single point at the VSS pin (pin 22).
Do not apply 5V signals to any I/O pin when VDD is at 3.3V - the absolute maximum Vih is VDD + 0.3V, exceeding this can latch-up the device. Also ensure the LVP (Low-Voltage Programming) pin RB3/PGM is not pulled low at power-up if you intend to use high-voltage programming - LVP mode is the default but can be disabled via the CONFIG register.
The PIC16LF727-E/P has limited drive strength on I/O pins (typ. 25 mA source/sink). For capacitive loads above 50 pF (such as long cables or large LCDs) add a series resistor (100 Ω to 1 kΩ) to dampen ringing. When driving triacs or power MOSFETs, add a gate resistor of 100 Ω to suppress the MCU's internal shoot-through currents during switching.
Thông tin tuân thủ
RoHS and lead-free compliant per Microchip product page. NOT AEC-Q100 qualified - automotive customers must select the PIC16LF727T-I/PT or PIC16F727-E/P-QTP automotive-graded parts.
