PIC24F08KM204-E/ML - 16-bit 32MHz 8KB Flash MCU | Microchip
MPN: PIC24F08KM204-E/ML ✓ Hoạt độngPIC24F08KM204-E/ML Tóm tắt
This part belongs to the 16-bit microcontroller category - an embedded processor that uses a modified Harvard architecture with separate program and data paths, allowing single-cycle instruction fetch plus 16-bit data operations. In the broader taxonomy, it sits at 16-bit MCU -> PIC24F -> low-power MCU -> embedded microcontroller -> semiconductor IC. The PIC24F XLP family is purpose-built for ultra-low-power applications, where sleep currents in the nanoamp range and active run times of hundreds of microamps per MHz are critical design constraints.
Key differentiating features include the integrated op-amp blocks (which usually require external ICs), a Configurable Logic Cell (CLC) for hardware glue logic, multiple Capture/Compare/PWM (SCCP) modules, RTCC with calendar, and 5-bit DAC outputs. The 12-bit ADC provides up to 500 ksps conversion with internal bandgap reference, while the dedicated op-amp cells enable single-supply signal conditioning that eliminates external analog front-end ICs.
The architecture combines a 16-bit modified-Harvard core with hardware Multiply/Divide, allowing single-cycle MAC operations. The XLP technology adds deep-sleep modes below 100 nA and sleep currents in the nanoamp range, making this device well-suited to battery-powered designs that wake periodically to perform measurement or control tasks.
Typical applications include IoT sensor nodes, portable medical monitors, low-power wireless modules, industrial sensor conditioning, and consumer battery devices. The integrated op-amps and 12-bit ADC simplify analog front-end designs for thermocouple, RTD, or strain-gauge conditioning circuits that previously required multiple discrete components.
When designing with this device, prioritize careful selection of sleep modes and clock gating. The XLP Sleep mode achieves the lowest quiescent current but requires peripheral wake sources (RTCC, IOC, ADC, comparator) to be configured carefully to avoid spurious wake events that defeat power-budget assumptions.
This page synthesizes distributor pricing, drop-in alternatives from the same PIC24F family and competitor MCUs, and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho PIC24F08KM204-E/ML — 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 PIC24F08KM204-E/ML (cùng hình factor và footprint) — khác nhau ở Maximum CPU Speed, Package, ADC, Core Architecture, Program Memory (Flash).
PIC24F08KM204-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F08KM204T-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24F08KM202-E/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F08KA102-E/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F08KL402-E/SP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F08KM204-E/ML Tỷ lệ tối đa & tính chất điện
| Core Architecture | 16-bit PIC (modified Harvard) |
| Family | PIC® XLP™ 24F |
| Program Memory (Flash) | 8 KB (2.75K x 24 words) |
| Data SRAM | 2 KB |
| Data EEPROM | 512 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 1.8 V to 5.5 V |
| Hộp | 44-pin QFN (8x8 mm) with exposed pad |
| Kiểu lắp đặt | Surface Mount |
| ADC | 12-bit, up to 500 ksps |
| DAC | 9-bit DAC outputs |
| Op-Amps | Integrated op-amp cells |
| Comparators | Integrated comparators |
| Khoảng nhiệt độ hoạt động | -40 C to +125 C (E suffix) |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24F08KM204-E/ML
| Chân 1 | RP5/RB5 — Remappable I/O / Port B bit 5 |
| Chân 2 | RP6/RB6 — Remappable I/O / Port B bit 6 |
| Chân 3 | RP7/RB7 — Remappable I/O / Port B bit 7 |
| Chân 4 | RP8/RB8 — Remappable I/O / Port B bit 8 |
| Chân 5 | RP9/RB9 — Remappable I/O / Port B bit 9 |
| Chân 6 | VSS — Ground reference |
| Chân 7 | VDD — Positive supply voltage (1.8-5.5 V) |
| Chân 8 | RP10/RB10 — Remappable I/O / Port B bit 10 |
| Chân 9 | RP11/RB11 — Remappable I/O / Port B bit 11 |
| Chân 10 | RP12/RB12 — Remappable I/O / Port B bit 12 |
| Chân 11 | RP13/RB13 — Remappable I/O / Port B bit 13 |
| Chân 12 | RP14/RB14 — Remappable I/O / Port B bit 14 |
| Chân 13 | OSC1/RC12 — Crystal oscillator input / Port C bit 12 |
| Chân 14 | OSC2/RC15 — Crystal oscillator output / Port C bit 15 |
| Chân 15 | VCAP — Internal voltage regulator output capacitor |
| Chân 16 | RB0/AN0 — Port B bit 0 / ADC input AN0 |
| Chân 17 | RB1/AN1 — Port B bit 1 / ADC input AN1 |
| Chân 18 | RB2/AN2 — Port B bit 2 / ADC input AN2 |
| Chân 19 | RB3/AN3 — Port B bit 3 / ADC input AN3 |
| Chân 20 | RB4/AN4 — Port B bit 4 / ADC input AN4 |
| Chân 21 | RA0/AN5 — Port A bit 0 / ADC input AN5 |
| Chân 22 | RA1/AN6 — Port A bit 1 / ADC input AN6 |
| Chân 23 | RA2/AN7 — Port A bit 2 / ADC input AN7 |
| Chân 24 | RA3/AN8 — Port A bit 3 / ADC input AN8 |
| Chân 25 | RA4/AN9 — Port A bit 4 / ADC input AN9 |
| Chân 26 | RA5/AN10 — Port A bit 5 / ADC input AN10 |
| Chân 27 | RA6/AN11 — Port A bit 6 / ADC input AN11 |
| Chân 28 | RA7/AN12 — Port A bit 7 / ADC input AN12 |
| Chân 29 | RA8/AN13 — Port A bit 8 / ADC input AN13 |
| Chân 30 | RA9/AN14 — Port A bit 9 / ADC input AN14 |
| Chân 31 | RA10/AN15 — Port A bit 10 / ADC input AN15 |
| Chân 32 | VSS — Ground reference |
| Chân 33 | VDD — Positive supply voltage (1.8-5.5 V) |
| Chân 34 | RC0 — Port C bit 0 |
| Chân 35 | RC1 — Port C bit 1 |
| Chân 36 | RC2 — Port C bit 2 |
| Chân 37 | RC3 — Port C bit 3 |
| Chân 38 | RC4 — Port C bit 4 |
| Chân 39 | RC5 — Port C bit 5 |
| Chân 40 | RC6 — Port C bit 6 |
| Chân 41 | RC7 — Port C bit 7 |
| Chân 42 | RC8 — Port C bit 8 |
| Chân 43 | RC9 — Port C bit 9 |
| Chân 44 | RC10 — Port C bit 10 |
Ứng dụng tiêu biểu
PIC24F08KM204-E/ML phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Node, Portable Medical Monitoring Device, Industrial 4-20 mA Sensor Transmitter, Consumer Remote Control / HMI Keypad, Smart Home Wireless Module Base MCU, Automotive Sensor Conditioning ECU.
Battery-Powered IoT Sensor Node
The PIC24F08KM204-E/ML is ideal for battery-powered IoT sensor nodes because of its nanoWatt XLP Sleep mode with Iq below 100 nA when RTCC is active, and its integrated 12-bit ADC plus op-amp cells for sensor-signal conditioning. Operating from 1.8 V to 5.5 V, the device can run directly from a single CR2032 coin cell (3.0 V nominal) or a Li-ion cell (3.7 V nominal) without an additional regulator, reducing BOM cost and quiescent drain. Placed at the heart of a periodic-sampling sensor hub, it wakes via RTCC or IOC, takes a 12-bit ADC reading, performs local averaging, transmits via a low-power radio companion chip, and returns to Sleep - typical system sleep current is dominated by the external sensor, not the MCU.
Được đề xuất
Portable Medical Monitoring Device
The PIC24F08KM204-E/ML suits portable medical monitoring devices such as pulse oximeters, thermometers, and wearable health patches because of its low-power XLP core and integrated 12-bit ADC plus op-amps for direct sensor interfacing. A pulse-oximetry finger probe can connect to the on-chip op-amp input for transimpedance amplification of the photodiode, and the 12-bit ADC performs the SpO2 calculation - eliminating an external analog front-end IC. The wide 1.8-5.5 V operating range supports direct Li-ion battery operation, and Sleep currents below 100 nA extend battery life to multi-month durations for spot-check or continuous wearables.
Được đề xuất
Industrial 4-20 mA Sensor Transmitter
The PIC24F08KM204-E/ML is well-matched to industrial 4-20 mA loop-powered sensor transmitters because of its integrated op-amps (which serve as the front-end amplifier for the bridge or RTD sensor), the 12-bit ADC for digital conversion, and the Configurable Logic Cell for hardware-level fault detection. Operating from the 4-20 mA loop compliance voltage of 12-30 V requires only a small external LDO, but the MCU can also run directly at 3.3 V or 5 V from a regulated rail. The -40C to +125C E temperature grade is required for outdoor or process-plant installations where commercial-grade parts would drift or fail.
Được đề xuất
Consumer Remote Control / HMI Keypad
The PIC24F08KM204-E/ML fits consumer remote controls and HMI keypads because of its Sleep Iq below 100 nA for multi-year battery life, multiple PWM/CCP channels for LED backlight or buzzer drive, and enough Flash for protocol stacks like BLE command mapping. Operating from a 2x AAA battery pack (3.0 V) without boost circuitry, the device can run in Sleep most of the time and wake on capacitive-touch or button-press interrupts. The integrated comparators enable reliable wake from low-voltage button events, reducing overall BOM cost compared with external wake controllers.
Được đề xuất
Smart Home Wireless Module Base MCU
The PIC24F08KM204-E/ML serves as the base microcontroller for smart-home wireless modules such as Zigbee, LoRa, or Sub-GHz transceivers because of its XLP low-power core, ample Flash for protocol stack fragments, and 32 MHz speed for fast SPI/UART transactions to the radio. The 5.5 V tolerant I/O simplifies interfacing with 3.3 V radios, while Sleep Iq below 100 nA keeps quiescent current of the overall module low. The integrated DAC can be used for audio feedback or beeper tones, and the on-chip op-amps eliminate the need for an external audio amplifier for low-volume alerts.
Được đề xuất
Automotive Sensor Conditioning ECU
The PIC24F08KM204-E/ML with E suffix supports the -40C to +125C automotive under-hood temperature range, making it suitable for non-safety sensor-conditioning ECUs such as cabin-air-quality, battery-monitoring, or HVAC damper control. The 12-bit ADC, op-amp cells, and 5 V tolerance enable direct connection to automotive 5 V sensor rails. For higher-reliability designs, Microchip offers the PIC24F08KM204-E/ML automotive-grade equivalent in the same package - engineers should validate PPAP and AEC-Q100 documentation with their Microchip FAE before production deployment.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24F08KM204-E/ML — 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 | PIC24F08KM204-I/ML | PIC24F08KM204T-I/ML | PIC24F08KM202-E/ML | PIC24F08KA102-E/ML | PIC24F08KL402-E/SP |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| Flash Memory | 8 KB | 8 KB | 8 KB | 4 KB (-50%) | 8 KB | 8 KB |
| SRAM | 2 KB | 2 KB | 2 KB | 1 KB | 1 KB | 1 KB |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) |
| Integrated Op-Amps | Yes | Yes | Yes | Yes | No | No |
| Integrated DAC | 9-bit | 9-bit | 9-bit | 9-bit | No | No |
Bảo phân biệt quan trọng
- Integrated op-amp cells eliminate external analog front-end (vsPIC24F08KA102-E/ML)
- Configurable Logic Cell (CLC) provides hardware glue logic (vsPIC24F08KL402-E/SP)
- Extended -40C to +125C operating temperature (vsPIC24F08KM204-I/ML)
Ghi chú thiết kế
Configure the PIC24F08KM204-E/ML in Sleep mode whenever possible to leverage the XLP technology's Iq below 100 nA. Per Microchip XLP datasheets, the recommended pattern is to disable unused peripherals in software, gate the system clock via the OSCCON register, and route wake events only to the peripherals that must respond (RTCC for time-based wake, IOC for user button, ADC ready for threshold-based wake). Avoid floating digital inputs during Sleep, which can leak current through input-protection diodes - pull unused pins to VDD or VSS via the CNPD/CNPU registers.
The 44-QFN exposed thermal pad (EP) on the PIC24F08KM204-E/ML MUST be soldered to a sufficiently large copper pour on the PCB to provide thermal dissipation and a low-impedance ground return. Per Microchip QFN layout guidelines, the EP should connect to a VSS copper pour with at least 16 thermal vias (0.3 mm drill, 0.5 mm pitch) for thermal relief. Without proper EP soldering, junction temperature can rise 20-30 C above the package rating under heavy peripheral loads, reducing reliability. Place decoupling capacitors (100 nF + 10 uF) as close as possible to VDD/VSS pin pairs.
The PIC24F08KM204-E/ML uses PPS (Peripheral Pin Select) to remap digital peripherals to physical pins - lock the PPS configuration in firmware early during initialization to prevent accidental re-mapping. Per Microchip datasheet guidance, analog inputs should be routed on inner PCB layers with a continuous ground plane beneath them to minimize digital-noise coupling into the 12-bit ADC. Place the VCAP pin capacitor (typically 1 uF to 10 uF ceramic, low-ESR) within 5 mm of the VCAP pin - this capacitor stabilizes the internal voltage regulator and is mandatory for operation.
Do not exceed the maximum VDD of 5.5 V on the PIC24F08KM204-E/ML or the internal voltage regulator may latch up. When using the ADC, ensure the analog supply rail is stable and reference voltage is established before starting conversions - per Microchip datasheet notes, a 10 uF + 0.1 uF decoupling pair on AVDD is recommended. Common pitfalls include forgetting to enable the ADC clock, leaving PPS unlock sequence incomplete (firmware must write the unlock sequence before re-mapping), and not accounting for Flash write/erase time when designing deterministic firmware-update flows.
Thông tin tuân thủ
RoHS compliant per Microchip product page. The E temperature grade supports -40C to +125C but is NOT AEC-Q100 qualified - for AEC-Q100 automotive applications use the dedicated PIC24F08KM204-E/ML automotive-grade equivalent or consult your Microchip FAE.
