PIC24F08KM101-E/P - 16-bit MCU, 8KB Flash, 32MHz | Microchip
N.º de pieza: PIC24F08KM101-E/P ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $3.14 | $3,14 |
| 10 | $2.79 | $27,90 |
| 100 | $2.34 | $234,00 |
| 500 | $2.07 | $1.035,00 |
| 1.000 | $1.85 | $1.850,00 |
PIC24F08KM101-E/P Descripción general
What is a PIC24F microcontroller? A PIC24F is a 16-bit RISC microcontroller in the Microchip PIC24 family, sitting between the 8-bit PIC16/PIC18 line and the 32-bit PIC32 line in Microchip's portfolio. It uses a modified Harvard architecture with a 16-bit data path, runs most instructions in one cycle, and is aimed at low-power embedded designs that need more headroom than 8-bit parts but not the full performance of a 32-bit core. PIC24F derivatives add Microchip's eXtreme Low Power (XLP) technology with deep-sleep currents below 1 uA, making them common in battery and energy-harvesting designs.
The PIC24F08KM101-E/P offers three differentiating features for its class: 8KB self-programmable Flash with configurable write protection, a 12-bit ADC with integrated 1.024V bandgap reference for ratiometric measurements, and MCCP/SCCP timer modules supporting Capture, Compare, and PWM modes. Its nanoWatt XLP idle and sleep modes drop quiescent current into the microamp range, while the integrated op-amp and dual comparators let designers replace several external analog components. Real-Time Clock/Calendar hardware with separate 32kHz oscillator domain is also supported, enabling accurate time-of-day tracking without an external RTC IC.
The architecture is built around a 16-bit modified Harvard core with a 3-stage pipeline, single-cycle multiply, and bit-manipulation instructions inherited from the PIC18 instruction set. Peripherals are mapped via a Peripheral Pin Select (PPS) system on PPS-capable pins, which simplifies PCB routing by remapping digital functions to alternate physical pins. The bus matrix routes 16-bit data and 24-bit instructions in parallel, giving deterministic interrupt latency critical for motor and power-control loops.
Typical applications for the PIC24F08KM101-E/P include battery-powered sensor nodes, low-cost consumer appliances, industrial control panels, HVAC controllers, and small motor-control boards. Its DIP-20 package and breadboard-friendly form factor also make it a frequent choice for prototyping, hobby projects, and educational platforms. With 12-bit ADC resolution it can read thermistors, photodiodes, and strain gauges without an external signal conditioner.
When designing with the PIC24F08KM101-E/P, plan the analog and digital ground topology - the device mixes a 12-bit ADC with switching I/O, and poor grounding will eat into that resolution. Use a ferrite bead or pi-filter on the analog AVdd pin to isolate ADC supply noise from digital Vdd, and add a 100nF ceramic decoupling cap within 5mm of each Vdd pin. The PPS system requires unlocking the IOLOCK register after programming, so account for that in your firmware bring-up sequence.
This page synthesizes verified distributor pricing, same-brand and cross-brand drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas directas para PIC24F08KM101-E/P — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC24F08KM101-E/P (mismo factor de forma y huella) — difiere en Package, ADC, Mounting Type, Program Memory (Flash), Core Architecture.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC24F08KM101-I/P
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$1.55 / unidad
Ver hoja de datos →PIC24F08KA101-E/P
✅ Sustitución directa✓ En stock
$1.74 / unidad
Ver hoja de datos →PIC24F04KA200-I/P
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC24F04KL100-E/P
✅ Sustitución directa✓ En stock
$1.38 / unidad
Ver hoja de datos →PIC24F08KL200-E/P
✅ Sustitución directa✓ En stock
$1.42 / unidad
Ver hoja de datos →PIC24F08KL301-E/P
✅ Sustitución directa✓ En stock
$1.55 / unidad
Ver hoja de datos →PIC24F08KM101-E/P Valores máximos y características eléctricas
| Core Architecture | 16-bit PIC24F RISC (modified Harvard) |
| Family | PIC XLP 24F, nanoWatt eXtreme Low Power |
| Program Memory (Flash) | 8 KB (2.75K x 24) |
| RAM | 1 KB |
| EEPROM | 512 B |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage (Vdd) | 1.8 V to 3.6 V |
| ADC | 12-bit, up to 16 input channels |
| DAC | Integrated |
| Comparators | 2 |
| Op-Amps | Integrated |
| Timers (CCP/PWM) | MCCP + SCCP (Capture/Compare/PWM) |
| Configurable Logic Cell (CLC) | Yes |
| Encapsulado | 20-pin PDIP (P) |
| Temperatura de funcionamiento | -40 C to +125 C (E = Industrial) |
| Tipo de montaje | Through-Hole |
Configuración de pines de PIC24F08KM101-E/P
| Pin 1 | MCLR — Master Clear (reset) input, active low |
| Pin 2 | OSC1 — Crystal oscillator input or external clock |
| Pin 3 | OSC2 — Crystal oscillator output |
| Pin 4 | RA0 — Port A bit 0 / analog input AN0 |
| Pin 5 | RA1 — Port A bit 1 / analog input AN1 |
| Pin 6 | RB0 — Port B bit 0 / programming pin |
| Pin 7 | RB1 — Port B bit 1 |
| Pin 8 | RB2 — Port B bit 2 |
| Pin 9 | RB3 — Port B bit 3 |
| Pin 10 | Vss — Ground reference |
| Pin 11 | VDD — Positive supply voltage |
| Pin 12 | RB4 — Port B bit 4 |
| Pin 13 | RB5 — Port B bit 5 |
| Pin 14 | RB6 — Port B bit 6 / ICSP clock |
| Pin 15 | RB7 — Port B bit 7 / ICSP data |
| Pin 16 | RA2 — Port A bit 2 / analog input AN2 |
| Pin 17 | RA3 — Port A bit 3 / analog input AN3 |
| Pin 18 | RA4 — Port A bit 4 |
| Pin 19 | RA5 — Port A bit 5 |
| Pin 20 | Vss — Ground reference |
Aplicaciones típicas
PIC24F08KM101-E/P es adecuado para 7 aplicacións: Battery-Powered Sensor Node, Industrial Control Panel, Small Motor and Fan Controller, HVAC Thermostat and Environmental Controller, Consumer Appliance and White Goods, Educational Microcontroller Platform, Low-Cost Data Acquisition Module.
Battery-Powered Sensor Node
The PIC24F08KM101-E/P fits battery-powered sensor nodes because its nanoWatt XLP sleep current drops into the microamp range while the 12-bit ADC with 16 channels handles thermistor, photodiode, or load-cell inputs. At 3.3V supply and intermittent 1 mA active draws, a 2000 mAh Li-SOCl2 cell can power the device for years. The integrated 1.024V bandgap reference supports ratiometric measurements to eliminate absolute-voltage drift over temperature, and the CCP modules drive a low-power RF or LoRa wake-up pulse train. Compact PCB footprint and 20-pin PDIP keep the BOM and assembly cost low for high-volume IoT deployments.
Recomendado
Industrial Control Panel
In industrial control panels the PIC24F08KM101-E/P handles HMI scanning, push-button debouncing, LED PWM dimming, and Modbus or CAN bridging from the same die. The 32MHz core delivers 16 MIPS, comfortably executing protocol stacks and real-time scan loops without DMA. The 12-bit ADC reads 4-20 mA loopback signals through current-sense resistors with 0.024% resolution per LSB, and the integrated op-amps condition transducer outputs without external analog ICs. The industrial -40C to +125C temperature grade survives factory floor thermal stress, and the 20-pin PDIP simplifies field-serviceable retrofits and warranty replacement.
Recomendado
Small Motor and Fan Controller
The PIC24F08KM101-E/P drives small brushed DC motors, BLDC fans, and stepper indexers thanks to its MCCP/SCCP timer modules providing PWM with complementary outputs, dead-band, and fault input shutdown. The Configurable Logic Cell (CLC) lets designers wire AND/OR/XOR gates inside the MCU to debounce Hall sensors or combine PWM and back-EMF signals without external glue logic. With 32MHz core clock, the MCU closes a 10 kHz current-control loop in software while leaving headroom for UART command handling. The integrated comparators trip on overcurrent within a single instruction cycle, protecting downstream FETs without a separate protection IC.
Recomendado
HVAC Thermostat and Environmental Controller
The PIC24F08KM101-E/P anchors HVAC thermostats and environmental controllers where the 12-bit ADC reads multiple 10k NTC thermistors, the RTC calendar hardware tracks scheduling, and the PWM drives triac-fired heater stages or proportional damper actuators. Low-power XLP sleep between sensor scans allows battery-backed thermostats that retain operation across power loss, while the on-chip comparators implement safety limits on over-temperature events. The 20-pin PDIP package is well suited to wall-mount thermostat PCBs that prioritize through-hole serviceability. PIC XLP MPLAB X IDE support with the MPLAB Code Configurator (MCC) accelerates peripheral setup for HVAC firmware teams.
Recomendado
Consumer Appliance and White Goods
In consumer appliances - coffee machines, rice cookers, washing machine sub-boards, and air purifiers - the PIC24F08KM101-E/P provides 12-bit ADC for sensor readout, PWM for solenoid and buzzer control, and UART for main-panel communication. Its industrial temperature grade suits the hot zones near heating elements, while XLP sleep modes keep standby power below the 0.5W EU eco-design limits. The CLC and integrated comparators simplify the safety interlocks (door switch, over-temperature, water level) without external logic gates. PIC24 code compatibility across the KM family makes firmware migration to lower- or higher-pin variants painless as product variants evolve.
Recomendado
Educational Microcontroller Platform
The PIC24F08KM101-E/P is a popular educational platform because the 20-pin PDIP plugs directly into solderless breadboards, the 12-bit ADC is teachable in a single lab session, and the on-chip op-amps demonstrate analog signal conditioning without external ICs. Its instruction set is well-documented in Microchip application notes, and MPLAB X IDE plus XC16 compiler are free downloads, giving students a full professional toolchain. The CLC peripheral offers a teachable introduction to on-chip configurable logic. Industrial temperature grade ensures lab parts survive student handling and ESD events better than consumer-grade parts.
Recomendado
Low-Cost Data Acquisition Module
The PIC24F08KM101-E/P serves as the controller for low-cost multi-channel data acquisition modules where the 12-bit ADC samples thermocouples, strain gauges, or analog sensor outputs and streams them via UART to a host PC or gateway. The integrated op-amps implement a low-side current-sense amplifier without external components, while the CLC combines comparator trip signals into a single interrupt for fast over-range detection. Industrial temperature grade supports field deployment in outdoor enclosures. SD card or external EEPROM can be added over PPS-routed SPI for stand-alone data logging where the host is intermittent.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC24F08KM101-E/P — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC24F08KM101-I/P | PIC24F08KA101-E/P | PIC24F04KA200-I/P | PIC24F04KL100-E/P | PIC24F08KL200-E/P | PIC24F08KL301-E/P |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | 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 | 20-pin PDIP - same |
| Flash Memory | 8 KB | 8 KB | 8 KB | 4 KB (-50%) | 4 KB (-50%) | 8 KB | 8 KB |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| ADC Resolution | 12-bit | 12-bit | 10-bit (-17%) | 10-bit | 12-bit | 12-bit | 12-bit |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| 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 | 1.8 V to 3.6 V |
| Operating Temperature | -40 C to +125 C | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C | -40 C to +125 C | -40 C to +125 C | -40 C to +125 C |
| Configurable Logic Cell | Yes | Yes | No | No | Yes | Yes | Yes |
Diferenciadores clave
- 12-bit ADC with 16 input channels plus integrated op-amps (frente a PIC24F08KA101-E/P)
- Industrial -40C to +125C operating temperature (frente a PIC24F08KM101-I/P)
- Configurable Logic Cell (CLC) for hardware glue logic (frente a PIC24F04KA200-I/P)
- Higher 8KB Flash vs 4KB on KL100 entry part (frente a PIC24F04KL100-E/P)
Notas de diseño
Estimated: at 32MHz active current around 8 mA and XLP sleep current below 1 uA, a battery-powered design with 1% duty cycle on a 2000 mAh Li-SOCl2 cell can run for 7-10 years. Place a 10 uF bulk cap plus 100 nF decoupling within 5mm of each Vdd pin; AVdd should have its own pi-filter (ferrite bead + 100 nF + 10 uF) to keep ADC noise below 1 LSB at 12-bit resolution.
Keep the crystal or external clock traces short (under 10mm) and surround them with a grounded guard ring to minimize EMI pickup on OSC1/OSC2. Route analog signals (ANx, op-amp inputs) away from PWM and switching nodes; use a star-ground topology where the analog ground (Vss) and digital ground meet at a single point near the IC. The MCLR pin requires a 10 kohm pull-up to Vdd; do not leave it floating or the device will spuriously enter reset.
Peripheral Pin Select (PPS) registers are write-locked after configuration to prevent runaway firmware. Failure to unlock IOLOCK before reprogramming PPS will silently break digital I/O on remapped pins - always include the unlock sequence in your firmware init routine. Also note that the 12-bit ADC accuracy drops sharply above 1 Msps; for precision measurements, stay below 200 ksps and enable hardware averaging. Finally, do not exceed 3.6V on any pin - even momentary over-voltage on MCLR during in-circuit programming will damage the IC.
The integrated op-amps and comparators share analog pins with the ADC; switching the analog mux between ADC and op-amp modes can inject charge and require a brief settle time (per Microchip errata DS80000535E, around 2 us minimum). For continuous ADC scanning at maximum throughput, sample at 200 ksps or below and average in firmware to maintain ENOB above 10 bits. Add a 10 nF cap on each analog input pin if the source impedance exceeds 5 kohm to limit kickback noise.
Información de cumplimiento
RoHS and lead-free per Microchip product page (per Verified Web Data, 2026-09-29). Not AEC-Q100 qualified - for automotive-grade designs use AEC-Q100 qualified PIC24 variants. REACH status not explicitly stated by manufacturer; halogen-free status unknown.
