PIC16LF1512-E/MV - 8-bit MCU, 3.5KB Flash, 20MHz, 28-UQFN | Microchip
MPN: PIC16LF1512-E/MV ✓ Hoạt độngPIC16LF1512-E/MV Tóm tắt
An 8-bit microcontroller is a single-chip computer built around an 8-bit data bus, integrating a CPU, RAM, non-volatile program memory, and peripherals such as timers, communication interfaces, and ADCs. Within the broader taxonomy, PIC16LF1512 falls under 8-bit microcontroller -> microcontroller -> embedded processor -> semiconductor device. The 'LF' prefix denotes a low-Frequency / low-voltage variant, while 'XLP' (eXtreme Low Power) signals Microchip's nanoWatt technology for battery-aware designs.
Key specifications include 20 MHz maximum operating frequency, hardware multiplier, 17 I/O pins, two 8-bit timers plus one 16-bit timer, an Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) module, Master Synchronous Serial Port (MSSP) for SPI/I²C, and a 10-bit ADC with up to 17 channels. The device supports in-circuit serial programming (ICSP™) and integrates power-saving sleep modes as low as 20 nA in deep sleep. Wide operating voltage from 1.8V to 3.6V and an industrial-grade temperature range of -40°C to +125°C allow deployment in harsh environments.
The PIC16LF1512 architecture uses a RISC-style 14-bit instruction word optimized for deterministic, single-cycle execution on most instructions. The XLP technology incorporates dynamic power management, peripheral module disable, and ultra-low-power watchdog timers. Internal 16 MHz high-speed oscillator (HFINTOSC) accuracy is +/-2% across voltage and temperature after calibration, eliminating the need for an external crystal in many applications.
Typical applications include battery-powered IoT sensor nodes, consumer appliance controllers, lighting dimmers and LED drivers, remote controls, low-power wireless sensor transceivers, handheld instruments, and small motor control loops. Designers value the XLP idle current when the device is mostly in sleep mode between asynchronous wake-ups from peripherals such as the Real-Time Clock or the Interrupt-on-Change I/O.
When laying out the PCB, the 28-UQFN 4×4 mm package demands a 0.4 mm-pitch land pattern with via-in-pad or thermal vias under the exposed pad for thermal dissipation; the central pad must be soldered to the ground plane to meet electrical and thermal performance. Decouple VDD with a 100 nF ceramic capacitor placed within 2 mm of the pin and add a bulk 1 µF to 10 µF capacitor near the device for transient robustness. Avoid long traces on MCLR and ensure ICSP programming header pins are accessible in production PCBs.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF1512-E/MV — 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/MV (cùng hình factor và footprint) — khác nhau ở ADC, Package, Core Architecture, Program Memory (Flash), Timers.
PIC16F1512-E/MV
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PIC16LF1512-I/MV
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Xem tài liệu →PIC16LF1512-E/MV Tỷ lệ tối đa & tính chất điện
| Core Architecture | 8-bit PIC |
| Series | PIC® XLP™ 16F |
| Program Memory Size | 3.5 KB (2K x 14) Flash |
| RAM Size | 128 bytes |
| Maximum CPU Frequency | 20 MHz |
| Operating Voltage Range | 1.8 V to 3.6 V |
| I/O Pins | 17 |
| ADC | 10-bit, up to 17 channels |
| Timers | Two 8-bit, One 16-bit |
| Communication Interfaces | EUSART, MSSP (SPI/I²C) |
| Hộp | 28-UQFN (4x4 mm) with Exposed Pad |
| Kiểu lắp đặt | Surface Mount |
| Khoảng nhiệt độ hoạt động | -40C to +125C |
| In-Circuit Programming | ICSP |
| Low-Power Technology | XLP nanoWatt (sleep current ~20 nA) |
| Internal Oscillator | 16 MHz HFINTOSC, +/-2% calibrated |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16LF1512-E/MV
| Chân 1 | RA0/AN0 — PORTA bit 0 / analog input channel 0 |
| Chân 2 | RA1/AN1 — PORTA bit 1 / analog input channel 1 |
| Chân 3 | RA2/AN2 — PORTA bit 2 / analog input channel 2 |
| Chân 4 | RA3/AN3 — PORTA bit 3 / analog input channel 3 |
| Chân 5 | RA4/AN4 — PORTA bit 4 / analog input channel 4 |
| Chân 6 | RA5/AN5 — PORTA bit 5 / analog input channel 5 |
| Chân 7 | RE3/VPP/MCLR — PORTE bit 3 / programming high voltage / Master Clear reset (active low) |
| Chân 8 | RA7 — PORTA bit 7 |
| Chân 9 | VSS — Ground reference |
| Chân 10 | VDD — Positive supply (1.8V to 3.6V) |
| Chân 11 | RB0/AN12 — PORTB bit 0 / analog input channel 12 |
| Chân 12 | RB1/AN10 — PORTB bit 1 / analog input channel 10 |
| Chân 13 | RB2/AN8 — PORTB bit 2 / analog input channel 8 |
| Chân 14 | RB3/AN9 — PORTB bit 3 / analog input channel 9 |
| Chân 15 | RB4 — PORTB bit 4 |
| Chân 16 | RB5 — PORTB bit 5 |
| Chân 17 | RB6/ICSPCLK — PORTB bit 6 / in-circuit serial programming clock |
| Chân 18 | RB7/ICSPDAT — PORTB bit 7 / in-circuit serial programming data |
| Chân 19 | RC0 — PORTC bit 0 |
| Chân 20 | RC1 — PORTC bit 1 |
| Chân 21 | RC2 — PORTC bit 2 |
| Chân 22 | RC3 — PORTC bit 3 |
| Chân 23 | RC4 — PORTC bit 4 |
| Chân 24 | RC5 — PORTC bit 5 |
| Chân 25 | RC6 — PORTC bit 6 |
| Chân 26 | RC7 — PORTC bit 7 |
| Chân 27 | RA6 — PORTA bit 6 |
| Chân 28 | VSS — Ground reference (additional pad for ground) |
Ứng dụng tiêu biểu
PIC16LF1512-E/MV phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Nodes, Consumer Appliance Control, LED Lighting and Dimmer Control, Handheld Measurement Instruments, Low-Power Wireless Sensor Network Endpoints, Remote Control and Human Interface Devices.
Battery-Powered IoT Sensor Nodes
The PIC16LF1512-E/MV fits battery-powered IoT sensor nodes because its XLP nanoWatt technology achieves approximately 20 nA typical deep-sleep current while retaining RAM and interrupt-on-change wake capability. Operating from 1.8V to 3.6V, it integrates directly from a single CR2032 or 2×AA cell without boost conversion. The 10-bit ADC with 17 channels captures ambient sensors (temperature, humidity, light) while the MSSP drives SPI/I²C radios like the MRF24J40 or NRF24L01+. Wake-on-touch or interrupt-on-change I/O enables multi-year battery life in duty-cycled deployments.
Được đề xuất
Consumer Appliance Control
The PIC16LF1512-E/MV suits consumer appliance control (coffee machines, microwave UI boards, washing-machine sub-modules) because its industrial-grade -40C to +125C temperature range and ample Flash support IEC 60730 class B firmware. The 10-bit ADC reads appliance sensors such as thermistors, water-level probes, and door switches. The PWM channels plus the 16-bit timer produce precise motor and triac phase-angle control for induction or universal motors, with the EUSART enabling diagnostic UART service ports.
Được đề xuất
LED Lighting and Dimmer Control
The PIC16LF1512-E/MV supports LED drivers and dimmers because its 10-bit ADC captures analog dimming inputs from 0 to VDD while its PWMs output fine-resolution 16-bit phase-correct dimming signals. The EUSART drives DMX512 or DALI communication in professional fixtures. When paired with a constant-current MOSFET driver, smooth logarithmic dimming with no perceptible flicker is achievable. XLP technology lets battery-powered decorative lights run for months on two AA cells.
Được đề xuất
Handheld Measurement Instruments
The PIC16LF1512-E/MV provides the brains for handheld digital multimeters and clamp meters because its 10-bit ADC converts the meter's front-end shunt measurement and the XLP sleep keeps total standby current below 1 µA. The 28-UQFN 4×4 mm package consumes minimal PCB real estate, leaving room for the LCD, battery compartment, and shunt. The EUSART logs data over RS-232/USB bridges for field diagnostics, and the -40C to +125C operating range suits outdoor industrial environments.
Được đề xuất
Low-Power Wireless Sensor Network Endpoints
The PIC16LF1512-E/MV is well suited for wireless sensor endpoints because XLP sleep currents near 20 nA combined with wake-on-RF or wake-on-ADC events enable multi-year battery life. The MSSP provides SPI/I²C to common sub-GHz transceivers (CC1101, SX1276) and 2.4 GHz radios. Built-in ICSP programming eases firmware updates in the field. The 3.5 KB Flash accommodates 6LoWPAN or LoRaWAN stack fragments plus proprietary housekeeping.
Được đề xuất
Remote Control and Human Interface Devices
The PIC16LF1512-E/MV serves IR/RF remote controls and small user-interface devices because its deep-sleep nanoWatt mode lets alkaline-powered remotes last the lifetime of the battery. The ICSP programming permits in-circuit firmware updates during manufacture, while interrupt-on-change I/O reads button matrices without continuous polling. The EUSART or MSSP connects to companion LED drivers and audio amplifiers, and the 1.8V minimum supply drops a single CR2032 cell close to its end-of-life voltage.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF1512-E/MV — 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 | PIC16F1512-E/MV | PIC16LF1512-I/MV | PIC16LF1513-E/MV |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-UQFN (4x4 mm) | 28-UQFN (4x4 mm) - same | 28-UQFN (4x4 mm) - same | 28-UQFN (4x4 mm) - same |
| Operating Voltage Range | 1.8V to 3.6V | 1.8V to 5.5V | 1.8V to 3.6V | 1.8V to 3.6V |
| Max CPU Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Flash Memory | 3.5 KB | 3.5 KB | 3.5 KB | 7 KB |
| SRAM | 128 B | 128 B | 128 B | 256 B |
| ADC | 10-bit, 17 channels | 10-bit, 17 channels | 10-bit, 17 channels | 10-bit, 17 channels |
| Operating Temperature | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) |
Bảo phân biệt quan trọng
- Wider voltage range with same pinout (vsPIC16F1512-E/MV)
- Double Flash and RAM in same footprint (vsPIC16LF1513-E/MV)
- Lower temp grade at lower cost (vsPIC16LF1512-I/MV)
Ghi chú thiết kế
Estimated: in the 28-UQFN 4×4 mm package, use a 0.4 mm-pitch land pattern with thermal vias under the central exposed pad to maintain package thermal resistance. Place a 100 nF ceramic decoupling capacitor within 2 mm of VDD pin 10, plus a 1 µF to 10 µF bulk capacitor near the same rail. Keep the MCLR trace short and avoid running it adjacent to high-speed PWM signals.
Estimated: PIC16LF1512-E/MV typical deep-sleep current is around 20 nA with WDT disabled per Microchip XLP claims. Designers targeting year-long battery life must disable all unused peripherals via the PMD registers before entering sleep, and select the LFINTOSC low-power mode rather than the HFINTOSC whenever wake timing tolerates it.
Do not connect MCLR directly to VDD; always use a 10 kΩ pull-up and a 100 nF decoupling cap to ground, plus a diode to VDD as shown in the Microchip PIC16 family hardware design checklist. Operating at >3.6V on the LF variant risks permanent I/O damage. Software should configure CCP/CWG peripherals before enabling PWM outputs to avoid spurious glitches on first cycle.
Thông tin tuân thủ
RoHS compliant per Microchip PIC16(L)F1512/1513 datasheet. AEC-Q100 not applicable to this MCU grade; automotive-grade variants are catalogued separately under a different ordering code.
