PIC16LF1512T-I/SS - 8-bit MCU, 3.5KB Flash, 10-bit ADC | Microchip
MPN: PIC16LF1512T-I/SS ✓ Hoạt độngPIC16LF1512T-I/SS Tóm tắt
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, integrating a CPU, non-volatile program memory (Flash), volatile data memory (SRAM), and peripherals such as ADC, timers, and serial interfaces. Within the broader taxonomy, the PIC16LF1512 belongs to the PIC16F family of mid-range MCUs, which sits below the PIC18/dsPIC families and above baseline PIC10/12/16 devices in performance and peripheral count. 8-bit MCUs remain prevalent in cost-sensitive, low-power embedded designs where 32-bit compute is unnecessary.
Key features include XLP nanoWatt technology for sleep currents in the sub-µA range, a 10-bit ADC with multiple input channels, support for mTouch capacitive touch sensing, and a wide operating voltage range of 1.8 V to 3.6 V that enables direct battery connection in 2-cell AA or single-cell Li-primary designs. The internal oscillator reduces BOM cost by eliminating external crystal components in many applications.
The device uses Microchip's enhanced mid-range 8-bit core with a 14-bit instruction word, providing 35 instructions including hardware multiply. Its architecture uses a Harvard layout with separate program and data buses, and incorporates a configurable 16-level hardware stack, 25 I/O pins, and on-chip debugging via ICD.
Typical applications include consumer appliances, IoT sensor nodes, battery-powered handheld devices, low-cost motor control, capacitive touch interfaces, and industrial sensor monitoring. The combination of low cost, XLP low power, and an integrated ADC makes it well-suited to distributed wireless sensor end nodes.
When designing with this MCU, allocate adequate Flash and RAM headroom for stack depth and library overhead; the 128-byte RAM is the practical constraint for buffer-based protocols. Use Microchip's MPLAB X IDE with XC8 compiler, and verify low-power claims by following the XLP application note for sleep mode transitions.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers with decision-ready information for component selection and PCB redesign.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF1512T-I/SS — 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 PIC16LF1512T-I/SS (cùng hình factor và footprint) — khác nhau ở I/O Pins, Package, Program Memory (Flash), Communication, Core Architecture.
PIC16LF1512T-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1512-I/SP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1518-I/SS
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF1516-I/SS
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF1509-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1512T-I/SS Tỷ lệ tối đa & tính chất điện
| Family | PIC16F (XLP 16F) |
| Core Architecture | 8-bit Enhanced Mid-Range |
| Program Memory (Flash) | 3.5 KB (2K x 14) |
| SRAM | 128 B |
| Instruction Set | 35 instructions, 14-bit word |
| Maximum CPU Speed | 20 MHz |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| Nhiệt độ hoạt động | -40 °C to +85 °C (Industrial) |
| I/O Pins | 25 |
| Hộp | 28-SSOP (5.30 mm / 0.209 in body width) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16LF1512T-I/SS
| Chân 1 | RA3/AN3/VREF+/T0CKI/CLCIN0 — PORTA bit 3 / ADC input / VREF+ / Timer0 clock / Configurable Logic Cell input |
| Chân 2 | RA4/AN4/T1G — PORTA bit 4 / ADC input / Timer1 gate |
| Chân 3 | RA5/MCLR/VPP — PORTA bit 5 / Master Clear reset / programming voltage input |
| Chân 4 | RA6/OSC2/CLKOUT — PORTA bit 6 / oscillator output / clock output |
| Chân 5 | RA7/OSC1/CLKIN — PORTA bit 7 / oscillator input / external clock input |
| Chân 6 | RC0/SOSCO — PORTC bit 0 / secondary oscillator output |
| Chân 7 | RC1/SOSCI — PORTC bit 1 / secondary oscillator input |
| Chân 8 | RC2/CCP1 — PORTC bit 2 / Capture/Compare/PWM 1 |
| Chân 9 | RC3/CCP2 — PORTC bit 3 / Capture/Compare/PWM 2 |
| Chân 10 | RC4 — PORTC bit 4 / general-purpose I/O |
| Chân 11 | RC5 — PORTC bit 5 / general-purpose I/O |
| Chân 12 | RC6 — PORTC bit 6 / general-purpose I/O |
| Chân 13 | RC7 — PORTC bit 7 / general-purpose I/O |
| Chân 14 | RB0 — PORTB bit 0 / general-purpose I/O |
| Chân 15 | RB1 — PORTB bit 1 / general-purpose I/O |
| Chân 16 | RB2 — PORTB bit 2 / general-purpose I/O |
| Chân 17 | RB3 — PORTB bit 3 / general-purpose I/O |
| Chân 18 | RB4 — PORTB bit 4 / general-purpose I/O |
| Chân 19 | RB5 — PORTB bit 5 / general-purpose I/O |
| Chân 20 | RB6/ICSPDAT — PORTB bit 6 / ICSP data line |
| Chân 21 | RB7/ICSPCLK — PORTB bit 7 / ICSP clock line |
| Chân 22 | RA0/AN0 — PORTA bit 0 / ADC input 0 |
| Chân 23 | RA1/AN1 — PORTA bit 1 / ADC input 1 |
| Chân 24 | RA2/AN2 — PORTA bit 2 / ADC input 2 |
| Chân 25 | GND — Ground |
| Chân 26 | VDD — Positive supply voltage |
| Chân 27 | RA8 — PORTA bit 8 / general-purpose I/O |
| Chân 28 | VDD — Positive supply voltage (second pin) |
Ứng dụng tiêu biểu
PIC16LF1512T-I/SS phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Node, Consumer Appliance Control, Capacitive Touch Interface (mTouch), Industrial Sensor Monitoring, Low-Cost Motor Control (Small DC/BLDC), Battery-Powered Handheld Device.
Battery-Powered IoT Sensor Node
The PIC16LF1512T-I/SS fits battery-powered IoT sensor nodes because its 1.8 V–3.6 V VDD range directly accepts 2-cell AA or single Li-primary cells without regulation. The integrated 10-bit ADC with multi-channel input handles temperature, voltage, and analog sensor measurements, while the 3.5 KB Flash accommodates small communication stacks such as sub-GHz RF drivers or sensor fusion routines. XLP nanoWatt sleep currents in the sub-µA range enable multi-year battery life. Designers should use deep sleep between wake events driven by timer overflow or interrupt to maximize energy efficiency.
Được đề xuất
Consumer Appliance Control
The PIC16LF1512T-I/SS serves consumer appliances such as coffee makers, blenders, and small kitchen devices where cost dominates component selection. Its 25 I/O pins handle keypads, LED indicators, relay drivers, and PWM motor or solenoid control via the enhanced CCP modules. The integrated 10-bit ADC reads thermistor inputs for temperature regulation, and the 20 MHz core delivers responsive control loops. Cost-conscious designs benefit from the internal 16 MHz oscillator, eliminating the external crystal and reducing BOM cost in volume manufacturing runs.
Được đề xuất
Capacitive Touch Interface (mTouch)
The PIC16LF1512T-I/SS supports Microchip's mTouch capacitive touch sensing via the on-chip Capacitive Sensing Module (CSM), enabling touch buttons, sliders, and proximity sensors. The 10-bit ADC and peripheral touch library allow designers to implement 4–8 touch channels with minimal external components. Compared to dedicated touch ICs, an integrated MCU-based approach reduces PCB area and BOM in panels for appliances, toys, and entry-level industrial HMIs. Designers should follow Microchip's mTouch application notes for PCB layout guard ring and ground plane recommendations.
Được đề xuất
Industrial Sensor Monitoring
The PIC16LF1512T-I/SS suits industrial sensor monitoring modules such as 4–20 mA loop-powered transmitters and bridge sensor conditioners. Its industrial -40 °C to +85 °C temperature range and 10-bit ADC handle pressure, strain, and level measurement in factory automation. The 25 I/O pins interface to HART modems or IO-Link transceivers via UART/SPI, while 1.8 V–3.6 V operation enables direct powering from loop excitation. The 28-SSOP package is well suited to compact DIN-rail or puck-style sensor enclosures.
Được đề xuất
Low-Cost Motor Control (Small DC/BLDC)
The PIC16LF1512T-I/SS handles small motor control duties such as brushed DC and simple BLDC drivers in fans, pumps, and toys. The enhanced CCP/ECCP modules deliver PWM up to 20 kHz for MOSFET gate driving, while the 10-bit ADC reads back-EMF or current shunt signals for closed-loop regulation. The 3.5 KB Flash fits state-machine control code plus startup routines, and the 28-SSOP footprint handles thermally modest environments. Designers should add external gate drivers for currents above 1 A and consider the PIC16F1503 family for fewer I/O needs.
Được đề xuất
Battery-Powered Handheld Device
The PIC16LF1512T-I/SS fits handheld battery devices such as remote controls, fitness wearables, and small medical instruments where wide supply range and low sleep current are paramount. The 1.8 V–3.6 V operation accommodates CR2032 coin cells and Li-ion rechargeables with energy-efficient sleep modes drawing sub-µA. The 25 I/O pins interface to LCD segments, pushbuttons, and low-power radios. The integrated 10-bit ADC supports simple health sensor measurements, and the small SSOP-28 footprint preserves board real estate for compact product enclosures.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF1512T-I/SS — 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 | PIC16LF1512T-I/SO | PIC16LF1512-I/SP | PIC16LF1518-I/SS | PIC16LF1516-I/SS | PIC16LF1509-I/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SSOP (5.30 mm body) | 28-SOIC (7.50 mm body) - different footprint | 28-PDIP - through-hole, different footprint | 28-SSOP (5.30 mm body) - same | 28-SSOP (5.30 mm body) - same | 28-SSOP (5.30 mm body) - same |
| Flash Program Memory | 3.5 KB (2K x 14) | 3.5 KB | 3.5 KB | 7 KB | 8 KB | 8 KB |
| SRAM | 128 B | 128 B | 128 B | 256 B | 512 B | 512 B |
| 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 | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Maximum CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| I/O Pins | 25 | 25 | 25 | 25 | 25 | 25 |
Bảo phân biệt quan trọng
- SSOP-28 package choice for compact SMT designs (vsPIC16LF1512-I/SP)
- Drop-in scalability to higher-memory family members (vsPIC16LF1518-I/SS)
- Tape-and-reel packaging for high-volume SMT (vsTray-version PIC16LF1512-I/SS)
Ghi chú thiết kế
Estimated: At active mode with 20 MHz clock and full peripheral enable, the PIC16LF1512T-I/SS typical IDD is approximately 2–3 mA at 3.3 V. In sleep mode with WDT disabled, current drops to sub-µA. Use deep sleep between task wakeups to maximize battery life; XLP nanoWatt modes support retention-down under 1 µA. Decouple VDD pins 26 and 28 to GND with 100 nF ceramic plus bulk 10 µF electrolytic; keep traces short and ground return low-impedance.
Decouple both VDD pins (26 and 28) with a 100 nF X7R ceramic placed within 3 mm of each pin. Place the ICSP footprint with pin 1 marked and reserve ICSPCLK/ICSPDAT test points near pins 20/21. Microchip datasheet recommends separating analog and digital ground returns using a star connection at the chip VDD for best ADC performance.
Avoid using internal oscillator for time-sensitive protocols (UART, IR) without verifying baud-rate error; the internal 16 MHz HFINTOSC accuracy of ±2% over VDD may exceed UART clock-matching requirements at higher bit rates. Pin 3 / MCLR must be tied to VDD through a 10 kΩ pull-up or driven explicitly; floating MCLR creates random resets. Configure unused I/O as outputs low to minimize power consumption; floating inputs draw bias current on CMOS gates.
Thông tin tuân thủ
RoHS compliance confirmed via Microchip product page and JLCPCB listing. Industrial temperature grade (-40 °C to +85 °C). Not AEC-Q100 qualified — for automotive applications use PIC16F1512-E/SS extended-temperature grade or AEQ-Q100 qualified PIC16 series equivalents.
