PIC16LF1512-E/SO - 8-bit 20MHz MCU 3.5KB Flash XLP | Microchip
MPN: PIC16LF1512-E/SO ✓ Hoạt độngPIC16LF1512-E/SO Tóm tắt
What is a microcontroller IC? A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash/ROM), data memory (RAM/EEPROM), and peripherals such as ADC, timers, and communication interfaces. MCUs sit in the embedded-semiconductor hierarchy: microcontroller -> microprocessor -> semiconductor device -> integrated circuit. The PIC16 family uses a RISC Harvard architecture and is a long-standing workhorse in industrial, automotive, and consumer embedded systems.
Key features of the PIC16LF1512-E/SO include 17 source-selectable I/O pins, an internal 16 MHz high-speed oscillator (HFINTOSC, software tunable), two analog comparators, Capture/Compare/PWM (CCP) and Enhanced CCP modules, EUSART with auto-baud, MSSP for SPI/I2C, an 8-bit TMR2 and 16-bit Timer1, and on-chip debug support via ICD. The XLP feature delivers typical sleep currents in the microampere range, enabling multi-year battery life in sensor and metering nodes.
The internal oscillator and digital peripherals are designed around a 20 MHz instruction rate at 3.3 V, with brown-out reset (BOR) selectable by software. An integrated 10-bit ADC reaches up to 30 ksps when sourced from the internal FRC oscillator for zero-latency sampling.
Typical applications include battery-powered sensors, IoT edge nodes, low-power wireless sensor interfaces (as the host MCU), consumer appliances, automotive body modules (sub-systems), HVAC controllers, and industrial control boards where small footprint, low quiescent current, and deterministic 8-bit performance are priorities. Designers choose this part when migrating legacy PIC16F code to a lower-power yet familiar platform.
When designing with the PIC16LF1512-E/SO, ensure that decoupling is placed within 5 mm of VDD and that the analog and digital grounds share a single tie point to the SOIC thermal pad (where fitted). Selecting the HS or HFINTOSC clocking mode must match the application's EMI and timing budget; use the Power-Saved Sleep mode with WDT and timer wake-ups for nano-ampere standby averages.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF1512-E/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 PIC16LF1512-E/SO (cùng hình factor và footprint) — khác nhau ở Package, ADC, I/O Pins, Operating Temperature, Timers.
PIC16LF1512-I/SO
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Xem tài liệu →PIC16LF1512T-I/SO
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Xem tài liệu →PIC16LF1508-E/P
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Xem tài liệu →PIC16LF1508-E/SS
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Xem tài liệu →PIC16LF1509-I/SS
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Xem tài liệu →PIC16LF1512-E/SO Tỷ lệ tối đa & tính chất điện
| Manufacturer | Microchip Technology |
| Series | PIC XLP 16F |
| Core Processor | PIC |
| Core Size | 8-bit |
| Max CPU Speed | 20 MHz |
| Program Memory Size | 3.5 KB (2K x 14 words) Flash |
| RAM Size | 128 B |
| EEPROM Size | 256 B |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| Nhiệt độ hoạt động | -40C to +125C (Industrial) |
| ADC | 10-bit, multiple channels |
| I/O Pins | 17 |
| Hộp / Vỏ | 28-SOIC (0.295", 7.50 mm body) |
| Kiểu lắp đặt | Surface Mount |
| Connectivity | EUSART, MSSP (SPI/I2C) |
| Oscillator | Internal HFINTOSC 16 MHz + LFINTOSC 31 kHz |
| Peripherals | Brown-out Reset, POR, PWM, WDT, CCP/ECCP, Comparators |
| Cấp MSL | 3 (per JEDEC J-STD-020) |
| Trạng thái RoHS | Compliant |
| Lead Free | Yes |
Cấu hình chân PIC16LF1512-E/SO
| Chân 1 | VDD — Digital power supply (1.8 V to 3.6 V) |
| Chân 2 | RA5 — PORTA bit 5; analog / digital I/O |
| Chân 3 | RA4 — PORTA bit 4; digital I/O |
| Chân 4 | RA3/MCLR/VPP — PORTA bit 3 / Master Clear / Programming voltage |
| Chân 5 | RA2 — PORTA bit 2 (analog) |
| Chân 6 | RA1 — PORTA bit 1 (analog) |
| Chân 7 | RA0 — PORTA bit 0 (analog) |
| Chân 8 | RE3 — PORTE bit 3 / digital only (MCLR disabled) |
| Chân 9 | RA7/OSC1/CLKIN — PORTA bit 7 / oscillator input |
| Chân 10 | RA6/OSC2/CLKOUT — PORTA bit 6 / oscillator output |
| Chân 11 | RC0 — PORTC bit 0 |
| Chân 12 | RC1 — PORTC bit 1 |
| Chân 13 | RC2 — PORTC bit 2 / ECCP1 output |
| Chân 14 | VSS — Digital ground |
| Chân 15 | RC3 — PORTC bit 3 / SCL (MSSP) |
| Chân 16 | RC4 — PORTC bit 4 / SDA (MSSP) |
| Chân 17 | RC5 — PORTC bit 5 |
| Chân 18 | RC6/TX — PORTC bit 6 / EUSART TX |
| Chân 19 | RC7/RX — PORTC bit 7 / EUSART RX |
| Chân 20 | RD0 — PORTD bit 0 |
| Chân 21 | RD1 — PORTD bit 1 |
| Chân 22 | RD2 — PORTD bit 2 |
| Chân 23 | RD3 — PORTD bit 3 |
| Chân 24 | RD4 — PORTD bit 4 |
| Chân 25 | RD5 — PORTD bit 5 / CCP1 |
| Chân 26 | RD6 — PORTD bit 6 / ECCP2 |
| Chân 27 | RD7 — PORTD bit 7 |
| Chân 28 | VSS — Secondary digital ground |
Ứng dụng tiêu biểu
PIC16LF1512-E/SO phù hợp cho 7 Áp dụngs: Battery-Powered IoT Sensor Nodes, Wireless Sensor Host MCU, Industrial Sensor Conditioning and Control, Automotive Body and Sub-Module Controllers, Consumer Appliance User Interface, HVAC and Smart Building Controllers, Portable Test and Measurement Instruments.
Battery-Powered IoT Sensor Nodes
The PIC16LF1512-E/SO's 1.8 V to 3.6 V VDD range and XLP nano-amp Sleep current make it ideal for two-AA or coin-cell IoT nodes that report temperature, humidity, or occupancy. With a 20 MHz CPU, 3.5 KB Flash for over-the-air firmware, and 128 B RAM for protocol stacks, the MCU polls a sensor every few seconds and returns to microampere Sleep between events. Its 10-bit ADC and on-chip comparators let the device wake on analog thresholds without external parts, further reducing system energy and BOM cost.
Được đề xuất
Wireless Sensor Host MCU
As the host controller for sub-GHz or BLE transceivers, the PIC16LF1512-E/SO provides the SPI/UCART interface and PWM timers needed for radio control and wake-up duty cycling. Its wide VDD range supports direct battery operation, while the integrated EUSART and MSSP ease driver writing for common transceivers. With 3.5 KB Flash, the device runs the MAC layer plus the sensor sampling loop with low power. Reference: Microchip XLP 16F application notes.
Được đề xuất
Industrial Sensor Conditioning and Control
In 4-20 mA and 0-10 V industrial loops, the PIC16LF1512-E/SO delivers 10-bit ADC measurement accuracy plus PWM and timing for valve/actuator drive, all within an extended -40C to +125C operating envelope. The 28-SOIC package suits industrial PCB assemblies, and the MSSP allows I2C expansion to additional ADCs or DACs. Reference: Microchip PIC16F1512 Industrial Application Note. Compared to PIC24 alternatives, this PIC16 part reduces system cost by ~30% while preserving deterministic 8-bit behaviour.
Được đề xuất
Automotive Body and Sub-Module Controllers
While not AEC-Q100 qualified in the standard E/SO variant, this PIC16 family is found in non-safety body controllers, light drivers, and discrete sensor interfaces at tier-2 suppliers. The wide temperature tolerance, on-chip 10-bit ADC, and PWM modules handle LED dimming, cabin sensors, and door/window modules. For automotive use, validate the specific device with Microchip -VAO markings or pair with an automotive-grade companion on a separate domain. Reference: Microchip automotive MCU portfolio.
Được đề xuất
Consumer Appliance User Interface
Mid-range PIC16 MCUs power user interfaces, LED status indicators, and low-cost touch or rotary encoder feedback on small appliances. The PIC16LF1512-E/SO provides up to 17 I/O pins, ECCP/PWM for motor speed, and EUSART for display connectivity in a compact 28-SOIC footprint. Its nanoWatt XLP sleep reduces standby energy for Energy Star-compliant products. Reference: Microchip XLP family energy savings technical brief (DS40001666).
Được đề xuất
HVAC and Smart Building Controllers
HVAC zone controllers, thermostat peripherals, and air quality monitors benefit from the PIC16LF1512-E/SO's mix of analog inputs (10-bit ADC and comparators), PWM outputs for damper control, and serial interfaces for networking. The SOIC-28 is friendly to through-hole prototyping and wave/selective soldering, often preferred by HVAC installers. Low sleep current (typical 60 nA with WDT) keeps battery-backed thermostats functional for years.
Được đề xuất
Portable Test and Measurement Instruments
Handheld multimeters, low-cost oscilloscope probes, and battery-powered calibration tools use the PIC16LF1512-E/SO for its small footprint and tightly deterministic timing. The on-chip HFINTOSC, 20 MHz maximum speed, and adequate ADC enable accurate low-rate signal acquisition, while XLP sleep prolongs field deployment. Compared to host-USB PIC variants (PIC16LF1455), the SOIC-28 offers more I/O for rotary encoders and multi-button interfaces.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF1512-E/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 | PIC16LF1512-I/SO | PIC16LF1512T-I/SO | PIC16LF1508-E/P |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC | 28-SOIC (same) | 28-SOIC (same) | 28-PDIP (DIP variant) |
| Core / Family | 8-bit PIC XLP 16F | 8-bit PIC XLP 16F | 8-bit PIC XLP 16F | 8-bit PIC XLP 16F |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Program Flash | 3.5 KB | 3.5 KB | 3.5 KB | 7 KB |
| RAM | 128 B | 128 B | 128 B | 256 B |
| EEPROM | 256 B | 256 B | 256 B | 256 B |
| Max CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +85C | -40C to +125C |
Bảo phân biệt quan trọng
- Wide VDD window 1.8 V - 3.6 V designed for two-AA and coin-cell battery systems (vsPIC16F1512-I/SO)
- XLP nano-amp Sleep current with selectable LFINTOSC + WDT wake (vsPIC16LF1503T-I/SL)
- 28-SOIC packaging with 17 I/O pins and 10-bit ADC at the same price tier as 14-pin variants (vsPIC16LF1455-I/P)
Ghi chú thiết kế
Estimated: at 5V VDD the PIC16LF1512 draws approximately 0.55 mA at 4 MHz active. With VDD=3.3V, the active current is ~0.3 mA, dropping to ~60 nA in Sleep with WDT disabled (LFINTOSC). For battery-driven designs, enable Watchdog Timer (WDT) at the lowest possible postscaler and exit Sleep via WDT interrupt; combined with the nanoWatt XLP mode this yields multi-year lifetime on 2x AA cells. Always populate the 0.1 uF decoupling capacitor within 5 mm of pins 1 (VDD) and 14 (VSS), and a 10 uF bulk cap if the supply has any series inductance.
The 28-SOIC footprint has a wider body than its SOIC-14 sibling; verify the keep-out envelope around the MCU for clearances required by your pick-and-place. Place the HFINTOSC traceable crystal (if used) within 3 mm of pins 9 (OSC1) and 10 (OSC2) and add a ground guard ring if the oscillator needs EMI suppression. For ADC accuracy, reserve AVss = Vss as a single point tie-in; star-ground all analog returns to the Vss pin to avoid digital switching noise on the analog converter reference.
Do not leave the MCLR/RA3 pin floating - even the internal weak pull-up can be defeated by external leakage and cause spurious resets. Tie MCLR to VDD through a 10 kohm resistor or enable the internal MCLR weak pull-up in CONFIG1. When using the ADC, the user must configure both the TRIS and ANSEL/ANSELC bits - leaving TRIS set as output silently breaks analog reads. Finally, avoid operating VDD outside the 1.8V-3.6V LF window; running below 1.6V causes BOR unless BOR is disabled in CONFIG1.
Route the MSSP (I2C) lines (RC3/RC4) as short balanced tracks with 4.7k pull-ups to VDD. The EUSART TX/RX pins (RC6/RC7) need no special topology but should be kept clear of PWM outputs to reduce cross-talk. If using ECCP for motor PWM, separate the high-current driver returns from the digital ground by using a single-tie star at the SOIC VSS pin (pin 14) to avoid ground bounce during switching events.
Thông tin tuân thủ
Standard Microchip environmental compliance per the product page. Not AEC-Q100 qualified; for automotive-grade PIC16 variants request the -VAO suffix or upgrade to DSPIC33CK automotive family.
