PIC24F08KM101-E/P - 16-bit MCU, 8KB Flash, 32MHz | Microchip
MPN: PIC24F08KM101-E/P ✓ Hoạt độngPIC24F08KM101-E/P Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho PIC24F08KM101-E/P — 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 PIC24F08KM101-E/P (cùng hình factor và footprint) — khác nhau ở Package, ADC, Core Architecture, Mounting Type, Program Memory (Flash).
PIC24F08KM101-I/P
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC24F08KA101-E/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F04KA200-I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F04KL100-E/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F08KL200-E/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F08KL301-E/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F08KM101-E/P Tỷ lệ tối đa & tính chất điện
| 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 |
| Hộp | 20-pin PDIP (P) |
| Nhiệt độ hoạt động | -40 C to +125 C (E = Industrial) |
| Kiểu lắp đặt | Through-Hole |
Cấu hình chân PIC24F08KM101-E/P
| Chân 1 | MCLR — Master Clear (reset) input, active low |
| Chân 2 | OSC1 — Crystal oscillator input or external clock |
| Chân 3 | OSC2 — Crystal oscillator output |
| Chân 4 | RA0 — Port A bit 0 / analog input AN0 |
| Chân 5 | RA1 — Port A bit 1 / analog input AN1 |
| Chân 6 | RB0 — Port B bit 0 / programming pin |
| Chân 7 | RB1 — Port B bit 1 |
| Chân 8 | RB2 — Port B bit 2 |
| Chân 9 | RB3 — Port B bit 3 |
| Chân 10 | Vss — Ground reference |
| Chân 11 | VDD — Positive supply voltage |
| Chân 12 | RB4 — Port B bit 4 |
| Chân 13 | RB5 — Port B bit 5 |
| Chân 14 | RB6 — Port B bit 6 / ICSP clock |
| Chân 15 | RB7 — Port B bit 7 / ICSP data |
| Chân 16 | RA2 — Port A bit 2 / analog input AN2 |
| Chân 17 | RA3 — Port A bit 3 / analog input AN3 |
| Chân 18 | RA4 — Port A bit 4 |
| Chân 19 | RA5 — Port A bit 5 |
| Chân 20 | Vss — Ground reference |
Ứng dụng tiêu biểu
PIC24F08KM101-E/P phù hợp cho 7 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24F08KM101-E/P — 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 | 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 |
Bảo phân biệt quan trọng
- 12-bit ADC with 16 input channels plus integrated op-amps (vsPIC24F08KA101-E/P)
- Industrial -40C to +125C operating temperature (vsPIC24F08KM101-I/P)
- Configurable Logic Cell (CLC) for hardware glue logic (vsPIC24F04KA200-I/P)
- Higher 8KB Flash vs 4KB on KL100 entry part (vsPIC24F04KL100-E/P)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
