PIC16LF15344-E/SO - 8-bit XLP MCU, 7KB Flash, 32MHz | Microchip
MPN: PIC16LF15344-E/SO ✓ Hoạt độngPIC16LF15344-E/SO Tóm tắt
What is an 8-bit microcontroller? An 8-bit microcontroller (MCU) is a small computer on a single integrated circuit containing an 8-bit CPU core, Flash program memory, SRAM data memory, and a rich set of on-chip peripherals. PIC microcontrollers sit within the broader hierarchy: PIC microcontroller -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. The 'LF' prefix indicates the low-voltage 'F' (Flash) process node, allowing operation down to 1.8V and enabling battery-friendly XLP operation.
Key features of the PIC16LF15344 include four 10-bit PWMs with complementary waveform generation, a hardware 5-bit/8-bit DAC, an analog comparator, a 10-bit ADC with computation, four Configurable Logic Cells (CLC), a Complementary Waveform Generator (CWG), two EUSART modules, and SPI/I2C interfaces. The XLP variant offers nanoWatt XLP sleep currents typically below 50 nA in Sleep with peripherals off.
Architecturally the device is built on an enhanced mid-range 8-bit core supporting 49 instructions and a 16-level hardware stack, with a 32 MHz internal oscillator that eliminates the need for an external crystal in most designs. Core Independent Peripherals (CIPs) such as the CLC, CWG, and NCO allow hardware-driven state machines without CPU intervention, reducing power and code footprint.
Typical applications include battery-powered IoT sensor nodes, low-power wireless remotes, white goods and HMI controls, LED lighting controllers, automotive body and accessory electronics, and consumer devices requiring small pin-count XLP solutions. Designers choose it when code size, peripheral count, and ultra-low sleep current must coexist in a 20-pin footprint.
When designing with this MCU, follow the Microchip MPLAB X IDE toolchain and configure the configuration bits carefully for the chosen oscillator and watchdog. Decouple VDD with a 100 nF capacitor close to the pin, and route MCLR through the recommended 10 kohm pull-up if external reset is required.
This page synthesizes distributor pricing, parametric comparison data, and practical design notes not consolidated in any single distributor listing.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF15344-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 PIC16LF15344-E/SO (cùng hình factor và footprint) — khác nhau ở DAC, PWM Channels, ADC, Comparators, I/O Pins.
PIC16F15344-E/SO
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16LF15324-E/SO
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F15324-E/SO
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF15345-E/SO
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16F15344T-I/SO
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF15344-E/SO Tỷ lệ tối đa & tính chất điện
| Product Family | PIC16F (PIC® XLP™ 16F) |
| Core Architecture | 8-bit enhanced mid-range |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data SRAM | 512 B |
| Maximum CPU Frequency | 32 MHz |
| Operating Voltage Range | 1.8 V to 3.6 V |
| Number of I/O Pins | 18 |
| ADC | 10-bit |
| DAC | 5-bit / 8-bit hardware DAC |
| PWM Channels | 4 (10-bit) |
| Comparators | Yes |
| Configurable Logic Cells (CLC) | 4 |
| Complementary Waveform Generator (CWG) | Yes |
| EUSART Modules | 2 |
| SPI / I2C | Yes / Yes |
| Hộp | 20-pin SOIC (7.50 mm width, tube) |
| Kiểu lắp đặt | Surface Mount |
| Khoảng nhiệt độ hoạt động | -40C to +125C (E suffix) |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
| Cấp MSL | 1 |
Cấu hình chân PIC16LF15344-E/SO
| Chân 1 | RA5 — Bidirectional I/O with interrupt-on-change, alternate functions include CWG input and DAC reference |
| Chân 2 | RA4 — Bidirectional I/O, alternate function: CLC output, timer gate input |
| Chân 3 | RA3 — Bidirectional I/O, alternate function: MCLR (input only when configured) |
| Chân 4 | RA2 — Bidirectional I/O, alternate function: analog input AN2 and DAC output |
| Chân 5 | RA1 — Bidirectional I/O, alternate function: analog input AN1 and comparator reference |
| Chân 6 | RA0 — Bidirectional I/O, alternate function: analog input AN0 and ICSPDAT |
| Chân 7 | VSS — Ground reference |
| Chân 8 | RA7 — Bidirectional I/O, alternate function: oscillator output or CLC input |
| Chân 9 | RA6 — Bidirectional I/O, alternate function: oscillator input or CLC input |
| Chân 10 | RC0 — Bidirectional I/O, alternate function: analog input AN4 and PWM output |
| Chân 11 | RC1 — Bidirectional I/O, alternate function: analog input AN5 and PWM output |
| Chân 12 | RC2 — Bidirectional I/O, alternate function: analog input AN6 and PWM output |
| Chân 13 | RC3 — Bidirectional I/O, alternate function: analog input AN7 and PWM output |
| Chân 14 | RC4 — Bidirectional I/O, alternate function: I2C/SPI data line and CLC output |
| Chân 15 | RC5 — Bidirectional I/O, alternate function: I2C clock and CLC output |
| Chân 16 | RC6 — Bidirectional I/O, alternate function: EUSART TX and SPI clock |
| Chân 17 | RC7 — Bidirectional I/O, alternate function: EUSART RX and SPI data input |
| Chân 18 | VSS — Ground reference (second VSS pin for power dissipation) |
| Chân 19 | VDD — Positive power supply (1.8 V to 3.6 V) |
| Chân 20 | VDDIO — I/O supply voltage, typically tied to VDD |
Ứng dụng tiêu biểu
PIC16LF15344-E/SO phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Node, Wireless Remote Control (HID / Consumer), White Goods and HMI Control, LED Lighting Controller, Automotive Body and Accessory Module, Industrial Sensor and Process Transmitter.
Battery-Powered IoT Sensor Node
The PIC16LF15344-E/SO is well suited for battery-powered IoT sensor nodes that spend most of their time in sleep and wake briefly to transmit. With XLP technology delivering nanoWatt sleep currents (typically below 50 nA) and a wide 1.8 V to 3.6 V operating range, this MCU can run directly from a single CR2032 coin cell or two AAA cells for months or years. The 10-bit ADC with computation performs on-chip sensor averaging without waking the CPU, while the four CLCs implement hardware state machines for wake-on-event signaling. The two EUSARTs enable simultaneous sensor-bus and radio-module communication, reducing external component count and bill of materials in compact IoT designs.
Được đề xuất
Wireless Remote Control (HID / Consumer)
The PIC16LF15344-E/SO is an excellent fit for low-power wireless remote controls such as TV remotes, key fobs, and presentation clickers. Its 32 MHz core runs the application code and a transmit routine for sub-GHz or IR LED drivers in microseconds, then drops back to sleep for months on a coin cell. The Complementary Waveform Generator (CWG) directly drives half-bridge or full-bridge MOSFETs for IR or piezo loads, offloading timing-critical waveform generation from the CPU. Two EUSARTs allow debug logging and main-link communication simultaneously, while the 18 I/O pins handle button matrix scanning and LED feedback without external glue logic.
Được đề xuất
White Goods and HMI Control
The PIC16LF15344-E/SO drives user interface panels on white goods such as washing machines, dishwashers, and ovens. The 32 MHz core handles capacitive-touch scanning, LED dimming, and seven-segment display refresh via the four PWM channels and four CLCs. The CWG generates complementary PWM outputs for synchronous motor or Triac drive signals, eliminating firmware timing jitter. Industrial-grade -40C to +125C operation ensures reliability inside hot appliance enclosures. XLP sleep modes let the MCU sit idle between user interactions with negligible battery drain for clock backup or end-of-cycle memory retention.
Được đề xuất
LED Lighting Controller
The PIC16LF15344-E/SO controls constant-current LED drivers in architectural lighting, RGB strips, and horticultural fixtures. Its four 10-bit PWM channels with complementary outputs provide smooth dimming without flicker, while the CWG generates high-frequency switching waveforms for synchronous buck or boost LED driver topologies. The 1.8 V to 3.6 V supply range simplifies designs powered by 3.3 V rails or single-cell Li-ion battery packs, while XLP technology keeps standby current below 50 nA when the lighting is off. The hardware DAC produces reference voltages for closed-loop current control, and the 10-bit ADC reads photodiode or thermistor feedback for daylight harvesting and thermal protection.
Được đề xuất
Automotive Body and Accessory Module
The PIC16LF15344-E/SO operates in non-safety automotive body electronics such as interior lighting controllers, seat heaters, and accessory power modules. The extended -40C to +125C temperature range and eXtreme Low-Power XLP technology support always-on modules that draw microamps during key-off. The CWG module generates complementary gate-drive signals for half-bridge drivers controlling seat heater elements or fan motors. Dual EUSARTs allow simultaneous LIN-bus communication and diagnostics over UART. Designers should note that the E temperature grade suffix is industrial-grade; automotive-grade AEC-Q100 qualified variants may be selected from the same PIC16LF15344 family for safety-relevant systems.
Được đề xuất
Industrial Sensor and Process Transmitter
The PIC16LF15344-E/SO acts as the local controller in 4-20 mA loop-powered or battery-backed industrial sensor transmitters. The 10-bit ADC with computation oversamples sensor signals for noise reduction, while the 5-bit/8-bit DAC generates the 4-20 mA loop current under closed-loop software control. XLP operation below 1 mA active current suits energy-harvesting or loop-powered transmitters with strict power budgets. Two EUSARTs and SPI/I2C enable simultaneous HART-modem communication and digital sensor interfacing. The industrial -40C to +125C temperature grade ensures operation in factory automation cabinets and outdoor instrumentation.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF15344-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 | PIC16F15344-E/SO | PIC16LF15324-E/SO | PIC16F15324-E/SO | PIC16LF15345-E/SO | PIC16F15344T-I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SOIC-20 | SOIC-20 (same) | SOIC-20 (same) | SOIC-20 (same) | SOIC-20 (same) | SOIC-20 (same) |
| Program Flash | 7 KB | 7 KB (same) | 7 KB (same) | 7 KB (same) | 14 KB (+100%) | 7 KB (same) |
| SRAM | 512 B | 512 B (same) | 512 B (same) | 512 B (same) | 1 KB (+100%) | 512 B (same) |
| Operating Voltage | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V (same) | 2.3 V to 5.5 V | 1.8 V to 3.6 V (same) | 2.3 V to 5.5 V |
| CLC Cells | 4 | 4 (same) | 1 (-75%) | 1 (-75%) | 4 (same) | 4 (same) |
| EUSART Modules | 2 | 2 (same) | 1 (-50%) | 1 (-50%) | 2 (same) | 2 (same) |
| Temperature Grade | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | -40C to +85C (I) |
Bảo phân biệt quan trọng
- Highest CLC count in the PIC16(L)F153xx SOIC-20 family (vsPIC16LF15324-E/SO)
- Dual EUSART versus single EUSART in the 15324 variant (vsPIC16LF15324-E/SO)
- Low-voltage XLP support down to 1.8 V (vsPIC16F15344-E/SO)
Ghi chú thiết kế
The PIC16LF15344-E/SO requires a single 100 nF ceramic decoupling capacitor placed within 3 mm of the VDD pin (pin 19) and VSS pin (pin 18). According to the Microchip datasheet, VDDIO (pin 20) should be tied to VDD through its own short trace; tie VSS pins together at the package. For low-noise analog performance, add a 10 uF bulk capacitor near the MCU and a small ferrite bead on the analog supply if the design shares the rail with switching converters.
When migrating between the PIC16LF15344 (1.8 V to 3.6 V) and the PIC16F15344 (2.3 V to 5.5 V), verify that all I/O peripherals and sensors tolerate the lower VDD on the LF variant. Some 5 V sensors will not register logic-high at 1.8 V. The configuration bits for oscillator selection, watchdog timer, and code protection must be set in the IDE; an incorrect WDTE setting can cause unintended resets in field-deployed units.
Place the MCU so that the SOIC package's exposed copper pour is connected to a quiet ground plane. According to the Microchip datasheet, the 20-pin SOIC is a single-row package with no thermal pad; ensure wide VDD and VSS traces (at least 0.4 mm) and keep high-speed switching traces away from the analog pins RA0-RA2 to avoid ADC crosstalk. Decoupling capacitors should use short, direct vias to the ground plane.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - this is the industrial-grade E suffix variant. AEC-Q100 versions exist in the same PIC16LF15344 family for automotive applications.
