PIC24F08KL401-E/SO - 16-bit 32MHz 8KB Flash MCU | Microchip
MPN: PIC24F08KL401-E/SO ✓ Hoạt độngPIC24F08KL401-E/SO Tóm tắt
An MCU (Microcontroller Unit) is a single-chip computer containing a CPU core, non-volatile program memory, volatile data memory, and configurable peripheral IP. Within the broader taxonomy, the PIC24F family sits between 8-bit PIC18/AVR MCUs and 32-bit ARM Cortex-M parts, offering 16-bit instruction efficiency at low cost. The KLx family specifically targets picoPower / nanoWatt XLP applications, extending the line of PIC18 peripherals (MSSP, CCP/ECCP) onto the 16-bit core for code-compatible migration.
Key features include 8KB self-programmable Flash (2.75K x 24 instruction words), 1KB SRAM, 512B EEPROM, 12-bit ADC with up to 10 channels, dual comparators with selectable reference, three 16-bit timers, a 16-bit PWM, an RTCC, and full-speed USB-free serial peripherals. Brown-out Reset (BOR), High/Low-Voltage Detect (HLVD), Power-on Reset (POR), and Windowed Watchdog Timer (WDT) are integrated for automotive-grade reliability. The -E suffix denotes the -40C to +125C extended operating temperature range for industrial use.
Architecturally, the device uses a modified Harvard bus with separate program and data paths, a 16-bit native datapath, and hardware multiply/divide. nanoWatt XLP technology enables deep sleep currents below 1 µA (typical), making the part suited for always-on battery applications. The 20-SOIC (wide-body) footprint eases hand-soldering and probe-friendly bench development.
Typical applications include low-cost industrial sensor nodes, battery-powered instrumentation, consumer appliance controllers, LED lighting controllers, and portable medical accessories. Designers migrating from PIC18F to 16-bit PIC24F benefit from shared peripheral libraries and pin-compatible footprints within the KLx family.
Design consideration: at 32MHz core from 3.3V, decoupling must include 100nF + 10µF bulk near VDD/AVDD pins; ensure MCLR has proper pull-up for BOR-correct startup. The extended temperature grade -E supports industrial but is not AEC-Q100 qualified - select PIC24F automotive parts for vehicle applications.
This page synthesizes distributor pricing, 20-SOIC drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC24F08KL401-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 PIC24F08KL401-E/SO (cùng hình factor và footprint) — khác nhau ở ADC, Package, I/O Pins, Operating Temperature, Program Memory (Flash).
PIC24F08KL201-I/SO
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC24F08KL302T-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F08KA102-E/SO
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC24F04KL101-E/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F08KA101-E/P
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC24F08KL401-E/SO Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC® 16-bit (PIC24F) |
| Program Memory (Flash) | 8 KB (2.75K x 24 words) |
| Data Memory (SRAM) | 1 KB |
| EEPROM | 512 B |
| Max CPU Speed | 32 MHz |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| Nhiệt độ hoạt động | -40C to +125C (Extended, -E) |
| ADC | 12-bit, up to 10 channels |
| Comparators | 2 with selectable reference |
| Timers | 3 x 16-bit + 1 x 16-bit Timer/Counter |
| PWM | 16-bit CCP/ECCP, multiple outputs |
| Serial Peripherals | 1 x MSSP (I2C/SPI), UART |
| I/O Pins | Up to 18 (package dependent) |
| Hộp | 20-SOIC (SO) |
| Kiểu lắp đặt | Surface Mount |
| Low-Power Mode | nanoWatt XLP™ |
| Reset / Brown-out | POR, BOR, HLVD, WDT |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân PIC24F08KL401-E/SO
| Chân 1 | RA0 — Port A bit 0 / analog input |
| Chân 2 | RA1 — Port A bit 1 / analog input |
| Chân 3 | RA2 — Port A bit 2 / analog reference |
| Chân 4 | RA3 — Port A bit 3 / analog input |
| Chân 5 | VDD — Positive supply voltage (1.8V to 3.6V) |
| Chân 6 | VSS — Ground reference |
| Chân 7 | RA4 — Port A bit 4 / analog input |
| Chân 8 | MCLR — Master Clear (reset, active-low) |
| Chân 9 | RA5 — Port A bit 5 / analog input |
| Chân 10 | RA6 — Port A bit 6 / oscillator input |
| Chân 11 | RA7 — Port A bit 7 / oscillator output |
| Chân 12 | RB0 — Port B bit 0 / programming clock |
| Chân 13 | RB1 — Port B bit 1 / programming data |
| Chân 14 | RB2 — Port B bit 2 |
| Chân 15 | RB3 — Port B bit 3 |
| Chân 16 | RB4 — Port B bit 4 |
| Chân 17 | RB5 — Port B bit 5 |
| Chân 18 | RB6 — Port B bit 6 |
| Chân 19 | RB7 — Port B bit 7 |
| Chân 20 | AVDD — Analog positive supply |
Ứng dụng tiêu biểu
PIC24F08KL401-E/SO phù hợp cho 6 Áp dụngs: Battery-Powered Sensor Nodes, Industrial Control & Monitoring, Consumer Appliance Controllers, Portable Medical Accessories, LED Lighting & Dimming Controllers, Low-Cost IoT Edge Nodes.
Battery-Powered Sensor Nodes
The PIC24F08KL401-E/SO is well-suited for battery-powered sensor nodes thanks to its nanoWatt XLP™ technology achieving sub-1µA sleep current and operating from 1.8V to 3.6V. Its 12-bit 10-channel ADC directly digitizes analog sensor outputs (temperature, light, gas) while the MSSP (I2C/SPI) interfaces to digital sensors like accelerometers. With 8KB Flash and 1KB RAM, the device runs small RTOS or state-machine firmware, fits 2xAA/3xAA battery packs without an LDO, and the -40C to +125C extended grade supports harsh outdoor enclosures. Estimated battery life exceeds 5 years on a typical duty-cycled measurement profile.
Được đề xuất
Industrial Control & Monitoring
Industrial PLC-style monitoring tasks benefit from the PIC24F08KL401-E/SO's extended -40C to +125C operating range and integrated 12-bit ADC for analog front-end channels. The dual comparators with selectable references enable threshold detection on 4-20mA loops or over-current signals, while CCP/ECCP generates PWM for proportional valve or heater control. The MSSP provides robust I2C/SPI communication to external HMI displays, EEPROM, or IO expanders. With BOR, HLVD, and windowed WDT, the part meets industrial reliability requirements at a fraction of the cost of 32-bit MCUs.
Được đề xuất
Consumer Appliance Controllers
The PIC24F08KL401-E/SO serves as a cost-effective main controller for white goods, kitchen appliances, and small HVAC accessories. Its 16-bit core at 32MHz executes complex UI state machines, while the 16-bit CCP/ECCP drives BLDC or stepper motors in fans and pumps. The 12-bit ADC reads temperature sensors, water-level probes, and user potentiometers. The 20-SOIC wide-body package eases hand-soldering during prototyping and small-batch production. nanoWatt XLP™ sleep modes extend standby time in always-on but mostly-idle appliances.
Được đề xuất
Portable Medical Accessories
Portable medical accessories such as pill dispensers, pulse-oximeter accessories, and Bluetooth-connected thermometers leverage the PIC24F08KL401-E/SO's low-power operation and small footprint. The 12-bit ADC acquires biosignals (SpO2 analog front-end, thermistor bridges) while the MSSP drives I2C OLED displays and SPI BLE modules. EEPROM stores calibration constants and usage logs. The extended temperature range supports cold-chain transport, and the 20-SOIC footprint integrates into compact handheld enclosures. Note this part is not AEC-Q100 qualified; medical device validation requires separate IEC 60601-1 testing.
Được đề xuất
LED Lighting & Dimming Controllers
LED drivers and dimming controllers benefit from the PIC24F08KL401-E/SO's 16-bit CCP/ECCP module generating precise PWM at frequencies above 20 kHz to avoid audible flicker. The 12-bit ADC samples 0-10V analog dim inputs or DALI/Casambi digital interfaces via the UART or MSSP. nanoWatt XLP™ sleep keeps standby power under EU ecodesign limits, while the 1.8V minimum supply enables direct Li-ion battery operation in emergency luminaires. The 20-SOIC package easily integrates into compact driver PCBs alongside the LED power stage.
Được đề xuất
Low-Cost IoT Edge Nodes
Low-cost IoT edge nodes leverage the PIC24F08KL401-E/SO as the local pre-processor before forwarding data to Wi-Fi/BLE modules. Its 8KB Flash is sufficient to run sensor-fusion or local-control firmware in C or Microchip's MPLAB XC16. The MSSP (I2C/SPI) connects to sensors and to external radio modules (RN4870, ESP32 co-processor); the UART serves as debug or AT-command channel. nanoWatt XLP™ deep-sleep currents below 1µA combined with a 32MHz active mode deliver months to years of operation on a coin cell when duty-cycled properly.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24F08KL401-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 | PIC24F08KL201-I/SO | PIC24F08KL302T-I/SO | PIC24F08KA102-E/SO | PIC24F04KL101-E/SO |
|---|---|---|---|---|---|
| Package | 20-SOIC (SO) | 20-SOIC (SO) - same | 20-SOIC (SO) - same | 20-SOIC (SO) - same | 20-SOIC (SO) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | 16-bit PIC24F nanoWatt XLP™ | 16-bit PIC24F nanoWatt XLP™ - same | 16-bit PIC24F nanoWatt XLP™ - same | 16-bit PIC24F KA family - same | 16-bit PIC24F nanoWatt XLP™ - same |
| Flash Memory | 8 KB | 8 KB - same | 16 KB (+100%) | 8 KB - same | 4 KB (-50%) |
| RAM | 1 KB | 1 KB - same | 2 KB (+100%) | 1 KB - same | 512 B (-50%) |
| EEPROM | 512 B | 512 B - same | 512 B - same | 512 B - same | 512 B - same |
| Max CPU Speed | 32 MHz | 32 MHz - same | 32 MHz - same | 32 MHz - same | 32 MHz - same |
| Operating Temperature | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) |
Bảo phân biệt quan trọng
- nanoWatt XLP™ sleep current below 1 µA typical (vsPIC24F08KA102-E/SO)
- Extended -40C to +125C operating range (vsPIC24F08KL201-I/SO)
- Full MSSP + ECCP peripheral set (vsPIC24F04KL101-E/SO)
Ghi chú thiết kế
Apply the PIC24F KLx power-on sequence recommended by Microchip: hold MCLR low through VDD ramp, allow internal POR to release, then enter user code. Place a 100 nF decoupling capacitor within 5 mm of each VDD/AVDD pin and a shared 10 µF bulk capacitor near the package. Estimated: at 32 MHz active with 3.3V VDD and all peripherals enabled, current draw is approximately 8 mA; in nanoWatt XLP™ Sleep mode current falls below 1 µA typical per the Microchip datasheet.
The 20-SOIC (wide-body) package has an estimated theta_JA around 70 C/W on a 2-layer JEDEC EIA/JESD51 test board. At 8 mA active and 3.3V, dissipation is ~26 mW, giving a junction-to-ambient rise of roughly 2 C. In extended -40C to +125C environments, derate IO sink/source current above 85 C per the IOH/IOL curves; consider a copper pour on VDD/VSS pins to spread heat. The 20-SOIC exposes the die through the leads only - avoid mounting upside-down or with thermal pads on the wrong side.
Route the ICSP/PGD/PGC pins (RB6/RB7) so they remain accessible in the layout; Microchip programmers (PICkit 4, MPLAB ICD 4) require direct access. Keep analog traces (RA0-RA5) away from switching signals or PWM outputs to avoid ADC noise coupling; use a ground guard ring around analog pins and provide a separate AVSS pin connection. The MCLR pin needs a 10 kΩ pull-up to VDD with a 100 nF cap to ground for slow-rise-time immunity. Estimated trace lengths above 50 mm should be routed differentially or shielded for SPI runs above 10 MHz.
Do not confuse the -E (extended -40C to +125C) and -I (industrial -40C to +85C) temperature suffixes when sourcing - lifecycle and pricing differ. The PIC24F08KL401's 8KB Flash is organized as 2.75K x 24 instruction words (not bytes) so a 1 KB C-compiled binary does NOT fit; budget 2.2x oversize when sizing code. Watch for Configuration bit settings: the default FOSC must match your oscillator configuration or the device will not start. Finally, MPLAB XC16 compiler optimization levels above -O2 occasionally mis-schedule MSSP interrupts - validate timing-critical I2C/SPI code at the target clock.
Thông tin tuân thủ
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - select PIC24F automotive-grade parts for vehicle applications. Halogen-free status unknown - not stated in Verified Web Data.
