PIC24F08KL401-E/P - 16-bit 32MHz 8KB Flash MCU | Microchip
MPN: PIC24F08KL401-E/P ✓ NakahandaPIC24F08KL401-E/P Ulas
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals. The PIC24F08KL401 belongs to the PIC24F family, a 16-bit modified Harvard architecture family that sits between the 8-bit PIC18 and the 32-bit PIC32 in Microchip's portfolio. It targets cost-sensitive embedded designs that need 16-bit performance, low power consumption, and easy migration from existing PIC18 firmware while staying below the price point of dsPIC or PIC32 devices.
Key features include up to 32 MIPS performance from a 32MHz internal oscillator, the nanoWatt XLP power management unit with deep-sleep currents down to the sub-microamp range, and 25 MIPS sustained throughput at 3.3V. The 20-PDIP package offers wide prototyping-friendly pitch for breadboards and through-hole assembly, while industrial-grade -40C to +125C operation supports harsh-environment deployments.
Architecturally, the PIC24F08KL401 uses a 16-bit modified Harvard core with a separate 24-bit instruction word and 16-bit data path. The MSSP peripheral supports both I2C and SPI on the same pins, while CCP/ECCP modules provide flexible PWM, capture, and compare functions. Hardware CRC, idle/sleep/doze modes, and brown-out reset (BOR) further enhance robustness in field-deployed embedded nodes.
Typical applications include consumer electronics, industrial sensor nodes, low-power IoT endpoints, battery-powered HVAC controls, and white-goods motor control. The combination of XLP sleep currents, integrated ADC, and PIC18-compatible peripherals makes it especially attractive for retrofit designs and energy-harvesting devices.
When designing with this MCU, ensure decoupling capacitors of 0.1uF and 10uF are placed near VDD/VSS pins, configure the CONFIG registers for the desired oscillator source during firmware initialization, and consult the family reference manual for the most recent silicon errata. Selecting the right ICSP programming header footprint preserves in-circuit debug capability across product revisions.
This page synthesizes distributor pricing, drop-in package alternatives from the PIC24F and PIC24FJ families, and practical design considerations not found in the manufacturer datasheet, giving procurement and engineering teams a single reference for evaluation.
Mga alternatibo na pwedeng ilagay na PIC24F08KL401-E/P — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok PIC24F08KL401-E/P (parehas na form factor at footprint) — pagkakaiba sa Package, Program Memory (Flash), ADC, Timers, Operating Temperature.
PIC24F08KL301-E/P
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC24F08KL201-E/P
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC24F08KL200-E/P
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC24F08KA102-E/ML
✅ Drop-In ⚠️ Mga Talaan Hindi NaiwerikmoMagkontak para sa presyo
Tingnan ang Datasheet →PIC24F08KA101-E/P
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC24F04KL101-E/P
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC24F08KL401-E/P Mga Pinakamataas na Rating at Electrical Characteristics
| Core Architecture | PIC24F (16-bit modified Harvard) |
| Family | PIC XLP 24F |
| Program Memory (Flash) | 8 KB (2.75K x 24 words) |
| RAM | 1 KB (1K x 8) |
| EEPROM | 512 bytes |
| Maximum CPU Speed | 32 MHz |
| ADC Resolution | 10-bit |
| Operating Voltage (VDD) | 1.8 V to 3.6 V |
| Temperature na Operasyon | -40 C to +125 C (industrial, E suffix) |
| Packhaging | 20-pin PDIP (0.300" / 7.62 mm) |
| Uri ng Pagpapasok | Through-Hole (DIP) |
| Peripherals | MSSP (I2C/SPI), CCP/ECCP, 10-bit ADC, PWM, WDT, HLVD, BOR, POR |
| Low-Power Technology | nanoWatt XLP |
| Tindminan RoHS | Compliant |
| Level ng MSL | 1 (unlimited) |
Pin Configuration ng PIC24F08KL401-E/P
| Pin 1 | MCLR — Master Clear (reset) input; pull-up to VDD required |
| Pin 2 | RA0 — GPIO / analog input AN0 |
| Pin 3 | RA1 — GPIO / analog input AN1 |
| Pin 4 | RA2 — GPIO / analog input AN2 / CVREF |
| Pin 5 | RA3 — GPIO / analog input AN3 |
| Pin 6 | RA4 — GPIO |
| Pin 7 | RA5 — GPIO / analog input AN4 |
| Pin 8 | VSS — Ground reference |
| Pin 9 | RA7 — GPIO / OSC1 (crystal oscillator input) |
| Pin 10 | RA6 — GPIO / OSC2 (crystal oscillator output) |
| Pin 11 | RC0 — GPIO / analog input AN8 |
| Pin 12 | RC1 — GPIO / analog input AN9 |
| Pin 13 | RC2 — GPIO / analog input AN10 |
| Pin 14 | RC3 — GPIO / analog input AN11 / SCL (MSSP I2C clock) |
| Pin 15 | RC4 — GPIO / analog input AN12 / SDA (MSSP I2C data) |
| Pin 16 | RC5 — GPIO / analog input AN13 |
| Pin 17 | RC6 — GPIO / analog input AN14 / SDO (MSSP SPI data out) |
| Pin 18 | RC7 — GPIO / analog input AN15 / SDI (MSSP SPI data in) |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply voltage (1.8V-3.6V) |
Tipikal na mga Gamit
PIC24F08KL401-E/P ay nararapat para sa 6 aplikasyons: Low-Power IoT Sensor Nodes, Battery-Powered HVAC / Appliance Controllers, Industrial Sensor / Measurement Nodes, Consumer Electronics (Retrofit from PIC18), LED Lighting / PWM-Dimming Controllers, Portable Medical / Health Monitoring Devices.
Low-Power IoT Sensor Nodes
The PIC24F08KL401-E/P fits low-power IoT sensor nodes because its nanoWatt XLP technology delivers sub-microamp deep-sleep currents while its 16-bit PIC24F core provides enough throughput to service analog and digital sensors between sleep intervals. With 8 KB of Flash, the part can host a small MQTT or LoRaWAN application layer stack, and the integrated 10-bit ADC handles analog sensor reading (temperature, light, soil moisture). Pairing the MCU with an external SPI-based radio (e.g., RN2483 or MRF24J40) on the MSSP bus, the device can sustain multi-year battery life on 2x AA cells at typical duty cycles below 1%.
Inirekomenda
Battery-Powered HVAC / Appliance Controllers
The PIC24F08KL401-E/P is well-suited to battery-powered HVAC and appliance controllers because of its industrial -40C to +125C operating range, integrated 10-bit ADC for thermistor or current sensing, and PWM peripherals (CCP/ECCP) for triac or FET control of HVAC valves, fans, or compressor relays. Its XLP sleep currents (typically tens of nanoamps in deep sleep with RTCC running) enable thermostats and gas-meter readers to run for over a decade on a single lithium cell. The 16-bit core handles PID loop and display refresh without offloading work to a co-processor, keeping the BOM lean.
Inirekomenda
Industrial Sensor / Measurement Nodes
The PIC24F08KL401-E/P suits industrial sensor nodes because of its industrial temperature range, robust BOR/HLVD/POR supervisor chain, and the MSSP peripheral that interfaces simultaneously with I2C sensors and SPI ADCs on independent pins. Industrial 4-20 mA loop transmitters, vibration monitors, and Modbus RTU slaves commonly use the PIC24F08KL401 for its deterministic 16-bit core and 32 MHz MIPS throughput, which keeps Modbus response times under the 3.5 character timeout at 115200 baud. The 8 KB Flash accommodates the Modbus stack plus application logic without external memory.
Inirekomenda
Consumer Electronics (Retrofit from PIC18)
The PIC24F08KL401-E/P enables smooth migration from PIC18 designs to 16-bit because it shares the same MSSP, CCP/ECCP, and 10-bit ADC peripheral layout, preserving firmware structure while doubling MIPS throughput. Consumer products such as remote controls, toys, and small appliances gain from the 32 MHz performance at the same price point as premium PIC18 devices. The 20-pin PDIP footprint is breadboard-friendly for prototype bring-up and field-replaceable for service-friendly product designs.
Inirekomenda
LED Lighting / PWM-Dimming Controllers
The PIC24F08KL401-E/P drives LED lighting and dimming applications because its CCP/ECCP modules deliver hardware PWM at frequencies above the audible band (>20 kHz), eliminating flicker while supporting smooth analog dimming via a 10-bit ADC input from a potentiometer or ambient light sensor. The 16-bit core resolves dimming levels in 65k steps, which is more granular than the 8-bit PIC18 baseline. With XLP sleep, wall-switch wireless remotes can run for years on coin cells.
Inirekomenda
Portable Medical / Health Monitoring Devices
The PIC24F08KL401-E/P fits portable medical and health-monitoring devices because its XLP sleep currents and deterministic 16-bit core enable continuous low-duty-cycle monitoring on coin cells or rechargeable Li-ion batteries. Pulse oximeters, blood-pressure cuffs, and glucose meters benefit from the integrated 10-bit ADC for sensor conditioning, MSSP for digital display drivers, and CCP for buzzer/PWM-driven haptics. Industrial temperature range ensures the device operates reliably across refrigerated and ambient clinical environments.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for PIC24F08KL401-E/P — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | PIC24F08KL301-E/P | PIC24F08KL201-E/P | PIC24F08KL200-E/P | PIC24F08KA101-E/P | PIC24F04KL101-E/P |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-pin PDIP | 20-pin PDIP - same | 20-pin PDIP - same | 20-pin PDIP - same | 20-pin PDIP - same | 20-pin PDIP - same |
| Core | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit |
| Max CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Program Flash | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 4 KB (-50%) |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 512 B (-50%) |
| ADC | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| Low-Power Technology | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP | nanoWatt XLP |
Pangunahing mga Pagkakaiba
- Balanced PIC24F 16-bit core with nanoWatt XLP low-power modes (kumpara saPIC24F08KA101-E/P)
- Larger Flash tier (8 KB) within the KL family (kumpara saPIC24F04KL101-E/P)
- 20-pin PDIP through-hole package for prototyping and field service (kumpara saPIC24F08KL401-E/MQ (QFN))
Talaan ng Disenyo
Estimated: Place 0.1uF and 10uF decoupling capacitors within 5 mm of VDD (pin 20) and VSS (pins 8 and 19) of the PIC24F08KL401-E/P. Use a low-ESR ceramic (X7R or X5R) on VDD and bulk aluminum/polymer on the supply rail. For battery designs, source current from an MCP1700 or MCP1802 LDO rated for the application's quiescent draw; the MCU's nanoWatt XLP sleep current is in the tens of nanoamps, so the LDO's quiescent current dominates the sleep power budget.
Route the ICSP programming/debug pins (PGD/PGC) to a 5-pin header (0.1" pitch) with MCLR routed to the same header through a resistor-capacitor network. Avoid long traces to MCLR; place the MCLR pull-up resistor within 5 mm of the pin to prevent in-system reset noise from triggering spurious resets. For prototypes, expose all 20 PDIP pins to a breadboard-friendly 0.1" header pattern for easy signal probing.
Do not assume the PIC24F08KL401-E/P defaults to a 32 MHz internal oscillator; the CONFIG registers must be set in source code (via #pragma config in MPLAB X) to select the desired FOSC source. Forgetting this leads to firmware executing at the default LFINTOSC (~31 kHz) instead of the expected 32 MHz, causing timing-dependent peripherals (UART, PWM) to malfunction. Also note that the E suffix indicates -40C to +125C industrial temperature; if your design only needs commercial 0-10C to +70C, the non-E variant may be cheaper.
Impormasyon ng Pagsunod sa Kautusan
RoHS and REACH compliant per Microchip product page; lead-free and halogen-free. Not AEC-Q100 qualified - choose PIC24F08KL401-E/P automotive equivalents (where available) for automotive applications.
