PIC16LF15344T-I/SO - 8-bit 32MHz XLP MCU 7KB Flash | Microchip
MPN: PIC16LF15344T-I/SO ✓ Hoạt độngPIC16LF15344T-I/SO Tóm tắt
An 8-bit microcontroller is a small, low-cost computing core that integrates CPU, Flash program memory, RAM, and peripherals onto a single silicon die. PIC16 microcontrollers from Microchip use a Harvard RISC architecture with a 14-bit instruction word, providing deterministic timing and easy migration across the PIC16F/LF family. Microcontrollers sit at the bottom of the embedded hierarchy: MCU -> 8-bit microcontroller -> PIC16 family -> PIC16F/LF153xx sub-family, and they are the central processing element in billions of low-power IoT and consumer devices.
The PIC16LF15344T-I/SO integrates core-independent peripherals including a 10-bit ADC with computation, a 5-bit DAC, two comparators, four 10-bit PWMs, a Complementary Waveform Generator (CWG), four Configurable Logic Cells (CLC), and dual EUSART plus SPI/I2C interfaces. It offers 18 I/O pins, brown-out reset, low-power BOR (LPBOR), and the XLP nanoWatt sleep modes that drop supply current to roughly 30 nA typical in sleep.
Architecturally the device pairs the enhanced mid-range PIC16 core with the peripheral pin-select routing system, allowing most digital and analog peripherals to be remapped to almost any I/O pin without rewiring. The 32 MHz internal oscillator eliminates the need for an external crystal in cost-sensitive designs, while the LF wide-voltage range makes it ideal for 2x AA battery and coin-cell applications.
Typical applications include battery-powered IoT sensor transmitters, low-power wireless sensor nodes, consumer remote controls, LED lighting controls, small appliances, and touch/proximity user interfaces. It also fits industrial sensor conditioning, e-metering sub-assemblies, and any general-purpose 8-bit logic-replacement design where sleep current matters.
When designing with this part, place a 0.1 V bypass capacitor within 3 mm of VDD and a 1 V to 10 V bulk capacitor per IC; use the internal 32 MHz HFINTOSC unless timing accuracy below +/-2% is required. For ultra-low-power designs, leverage the XLP Sleep mode with interrupt-on-change wake and disable unused peripherals via PMD bits to minimize quiescent draw.
This page synthesizes distributor pricing, pin-compatible SOIC-20 alternatives, application notes on XLP sleep current, and PCB-layout tips that are not collected together in the Microchip datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF15344T-I/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 PIC16LF15344T-I/SO (cùng hình factor và footprint) — khác nhau ở DAC, Package, Program Memory (Flash), ADC, Comparators.
PIC16F15344T-I/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF15345T-I/SO
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Xem tài liệu →PIC16F15345T-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF18346-E/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF15344T-I/SO Tỷ lệ tối đa & tính chất điện
| Family | PIC16 LF 16-bit microcontroller family |
| Core | PIC16 8-bit enhanced mid-range RISC |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data RAM | 512 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage (VDD) | 1.8 V to 3.6 V (LF, wide-voltage F-class) |
| I/O Pins | 18 |
| ADC | 10-bit, up to 17 channels, with computation |
| DAC | 5-bit, 1 channel |
| Comparators | 2 |
| PWM Channels | 4 x 10-bit |
| CWG | Yes (Complementary Waveform Generator) |
| CLC | 4 (Configurable Logic Cell) |
| EUSART | 2 |
| SPI / I2C | 1 SPI, 1 I2C |
| Hộp | 20-pin SOIC (SO), 7.50 mm body width |
| Kiểu lắp đặt | Surface Mount |
| Operating Temperature (I grade) | -40 C to +85 C |
| Trạng thái RoHS | Compliant |
| Lead-Free / Halogen-Free | Lead-free per Microchip product page |
| XLP Sleep Current (typical) | ~30 nA typical (datasheet Sleep mode) |
| Internal Oscillator | 32 MHz HFINTOSC, 31 kHz LFINTOSC |
Cấu hình chân PIC16LF15344T-I/SO
| Chân 1 | RA3/AN3/C1IN+/CWGFLT — Bidirectional I/O; analog channel 3; comparator positive input; ion CWG fault input |
| Chân 2 | RA4/AN4/C1IN-/CLKOUT — Bidirectional I/O; analog channel 4; comparator negative input; clockout |
| Chân 3 | RA5/MCLR/VPP — Bidirectional I/O; Master Clear reset (active low); programming voltage input |
| Chân 4 | RA6/OSC2/CLKOUT — Bidirectional I/O; crystal oscillator output; clockout |
| Chân 5 | RA7/OSC1/CLKIN — Bidirectional I/O; crystal oscillator input; external clock input |
| Chân 6 | VDD — Positive supply voltage (1.8V to 3.6V) |
| Chân 7 | RA0/AN0/C1IN0-/DACOUT — Bidirectional I/O; analog channel 0; comparator input; DAC output |
| Chân 8 | RA1/AN1/C1IN1-/C2IN0- — Bidirectional I/O; analog channel 1; comparator inputs |
| Chân 9 | RA2/AN2/C2IN+ — Bidirectional I/O; analog channel 2; comparator 2 positive input |
| Chân 10 | VSS — Ground reference |
| Chân 11 | RC0/SOSCIO/T1CKI — Bidirectional I/O; SOSC I/O; Timer1 clock input |
| Chân 12 | RC1/SOSCFI — Bidirectional I/O; SOSC frequency input |
| Chân 13 | RC2/CCP1/CLKR — Bidirectional I/O; CCP1 PWM output; clock reference |
| Chân 14 | RC3/CCP2/P2A — Bidirectional I/O; CCP2 PWM output; PWM2 output A |
| Chân 15 | RC4/P2B/SDA — Bidirectional I/O; PWM2 output B; I2C data |
| Chân 16 | RC5/P3A/SCK/SCL — Bidirectional I/O; PWM3 output A; SPI clock; I2C clock |
| Chân 17 | RC6/SS/TX/CK — Bidirectional I/O; SPI slave select; EUSART TX/CK |
| Chân 18 | RC7/SDI/RX/DT — Bidirectional I/O; SPI data in; EUSART RX/DT |
| Chân 19 | RB4/AN10 — Bidirectional I/O; analog channel 10 |
| Chân 20 | RB5/AN11 — Bidirectional I/O; analog channel 11 |
Ứng dụng tiêu biểu
PIC16LF15344T-I/SO phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Node, Consumer Remote Control (IR/RF), LED Lighting Control / Driver Front-End, Small Appliance and White-Good Control, Industrial Sensor Conditioning Module, Touch/Proximity User Interface.
Battery-Powered IoT Sensor Node
The PIC16LF15344T-I/SO is well-suited as the controller for battery-powered IoT sensor nodes thanks to its 1.8 V to 3.6 V wide-voltage VDD and XLP nanoWatt technology with typical Sleep current around 30 nA. With 7 KB Flash and 512 B RAM, the part can host a small RTOS-style state machine for periodic sensor sampling, on-chip ADC averaging, and EUSART-driven wireless uplink (LoRa, sub-GHz, BLE via SPI) without external logic. Place the MCU between the battery rail and the sensor I/O, configure interrupt-on-change wake, and disable unused peripherals via PMD bits to extend cell life.
Được đề xuất
Consumer Remote Control (IR/RF)
For IR or sub-GHz RF remote controls, the PIC16LF15344T-I/SO offers 7 KB Flash enough for keypad matrix scanning, command encoding, and link-layer state machines, plus a CWG block for carrier generation in software-defined transmitters. The 32 MHz HFINTOSC provides ample clock headroom for accurate 38 kHz IR or 433 MHz OOK modulation. Operating down to 1.8 V allows direct drive from two AAA cells without a boost converter, and Sleep current below 1 uA extends shelf life beyond a year.
Được đề xuất
LED Lighting Control / Driver Front-End
The PIC16LF15344T-I/SO provides four 10-bit PWM channels and a Complementary Waveform Generator (CWG) ideal for dimmable LED drivers, RGB controllers, and small architectural lighting fixtures. The on-chip 5-bit DAC plus two comparators enable closed-loop current regulation with a sense FET, while the 32 MHz core handles DALI, 0-10 V, or DMX command parsing in firmware. Operate directly from a 3.3 V rectified rail without a boost converter, and use CLC to combine PWM with blanking signals for clean MOSFET switching.
Được đề xuất
Small Appliance and White-Good Control
Coffee machines, blenders, air purifiers, and similar small appliances benefit from the PIC16LF15344T-I/SO's 10-bit ADC for temperature/humidity sensing, four PWMs for motor speed control, and the CWG for synchronous rectification drive. With 18 I/O the MCU interfaces with user keypads, LCD displays, and triac-fired heater elements, while the 5-bit DAC provides offset reference for analog signal chains. Industrial -40 C to +85 C temperature range covers under-hood and kitchen environments.
Được đề xuất
Industrial Sensor Conditioning Module
The PIC16LF15344T-I/SO serves as the local microcontroller for 4-20 mA sensor transmitters, RTD conditioning boards, and PLC input cards where 1.8 V operation supports loop-powered architectures. The 10-bit ADC with computation handles oversampling and digital filtering, while EUSART plus SPI enable isolated digital uplink to a host controller. The CLC and comparator blocks implement window comparators, debouncers, and pulse-stretching in hardware without CPU load.
Được đề xuất
Touch/Proximity User Interface
With its mTouch capacitive touch peripheral and CLC-based hardware debouncing, the PIC16LF15344T-I/SO is a strong fit for capacitive touch panels, slider controls, and proximity wake-up buttons in low-power appliances. The 18 I/O allow up to 9 touch channels plus indicator LEDs, while the XLP Sleep mode with interrupt-on-change enables always-on proximity sensing at single-digit microamp draws. The 32 MHz core runs the touch-scan library in firmware with sub-millisecond response.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF15344T-I/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 | PIC16F15344T-I/SO | PIC16LF15345T-I/SO | PIC16F15345T-I/SO | PIC16LF18346-E/SO |
|---|---|---|---|---|---|
| Brand | 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 |
| Flash Memory | 7 KB | 7 KB (same) | 14 KB (+100%) | 14 KB (+100%) | 28 KB (+300%) |
| RAM | 512 B | 512 B (same) | 1 KB (+100%) | 1 KB (+100%) | 2 KB (+300%) |
| Operating Voltage (VDD) | 1.8 V to 3.6 V (LF) | 2.3 V to 5.5 V (F, +0.5V floor) | 1.8 V to 3.6 V (LF, same) | 2.3 V to 5.5 V (F, +0.5V floor) | 1.8 V to 3.6 V (LF, same) |
| Maximum CPU Speed | 32 MHz | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) |
| ADC | 10-bit, 17 channels | 10-bit, 17 channels (same) | 10-bit, 17 channels (same) | 10-bit, 17 channels (same) | 10-bit, 17 channels (same) |
| PWM Channels | 4 x 10-bit | 4 x 10-bit (same) | 4 x 10-bit (same) | 4 x 10-bit (same) | 4 x 10-bit (same) |
| Operating Temperature | -40 C to +85 C (I grade) | -40 C to +85 C (same) | -40 C to +85 C (same) | -40 C to +85 C (same) | -40 C to +125 C (E grade) |
Bảo phân biệt quan trọng
- Wide-voltage 1.8V operation enables two-cell battery designs (vsPIC16F15344T-I/SO)
- Same SOIC-20 footprint with 4x Flash and 2x RAM headroom (vsPIC16LF15345T-I/SO)
- 4x Configurable Logic Cells (CLC) enable hardware state machines (vsPIC16LF18346-E/SO)
Ghi chú thiết kế
Estimated: at VDD=3.3 V and 32 MHz active CPU with all peripherals on, the PIC16LF15344T-I/SO typically draws ~3 mA active; Sleep mode drops to ~30 nA typical. For battery-powered designs, average current follows: I_AVG = I_ACTIVE * (t_active / t_period) + I_SLEEP * (1 - t_active/t_period). With a 10 ms wake every second (Duty = 0.01), I_AVG is approximately 30 uA - 1000x lower than continuous active - well within coin-cell capability.
Place a 0.1 uF ceramic bypass capacitor within 3 mm of VDD pin 6 and ground pin 10. Add a 1 uF to 10 uF bulk capacitor on the VDD rail for transient response during GPIO switching. Keep the MCLR/VPP pin (pin 3) trace short or pull VPP up via a 10 kOhm resistor to prevent spurious resets from capacitive coupling. The VSS pin (10) should connect directly to a ground pour for thermal dissipation.
When migrating code from PIC16F15344 (2.3V-5.5V) to PICLF15344 (1.8V-3.6V), verify that all peripheral operating modes remain valid below 2.3V - some HFINTOSC accuracy specs degrade at the lower end. The PIC16LF15344T-I/SO does not include a 5V-tolerant input; signals above VDD+0.3V on any I/O pin must be level-shifted. Avoid using the ADC at sample frequencies above 1 MHz without enabling the dedicated RC oscillator as the ADC clock source.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified (this part is for industrial/commercial use; for automotive select PIC16F/LF15344-I/SSVAO variants). Lead-free matte-tin finish; halogen-free mold compound.
