PIC24F08KM202T-I/ML - 16-bit 32MHz MCU, 8KB Flash, 28-QFN | Microchip
MPN: PIC24F08KM202T-I/ML ✓ Hoạt độngPIC24F08KM202T-I/ML Tóm tắt
A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, peripherals, and I/O. The 16-bit PIC24F architecture sits between 8-bit PIC MCUs and 32-bit PIC32 devices in Microchip's portfolio, offering higher code density, wider data paths, and DSP-like instructions while retaining the PIC ecosystem's low power characteristics. The PIC24F KM family in particular targets mixed-signal embedded designs that need on-chip analog functions alongside digital control, reducing external component count and BOM cost.
Key features: 8 KB self-programmable Flash, 2 KB SRAM, 512 B EEPROM, 32 MHz operation delivering 16 MIPS, 19 channels of 12-bit ADC, 2 channels of 8-bit DAC, integrated op amps, comparators, Configurable Logic Cell (CLC), MCCP/SCCP timers, and peripheral trigger generator. XLP technology yields nanoWatt sleep currents suited for battery-powered and energy-harvesting applications. The 28-QFN (6x6 mm) footprint keeps the BOM footprint small.
Architecturally, the PIC24F uses a 16-bit modified Harvard CPU with single-cycle 16x16 MAC, supporting C-compiled code with predictable interrupt latency. The peripheral trigger generator and CLC allow hardware-based signal routing without CPU intervention, freeing the core for application logic and reducing firmware complexity.
Typical applications: portable medical and consumer devices, IoT sensor nodes, low-power wireless remote controls, battery monitoring and management, e-metering, and small-format industrial sensors. The combination of on-chip analog (12-bit ADC, 8-bit DAC, op amps) and flexible digital peripherals (CLC, MCCP/SCCP) makes the device a good fit for sensor conditioning and closed-loop regulation loops in compact designs.
Design consideration: at 32 MHz with 3.3 V supply the core current is in the single-digit mA range; sleep currents in the nanoWatt regime enable duty-cycled battery operation. Plan the ADC acquisition timing and reference decoupling around the integrated analog peripherals.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC24F08KM202T-I/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 PIC24F08KM202T-I/ML (cùng hình factor và footprint) — khác nhau ở ADC, Comparators, Operating Temperature, Package, Program Memory (Flash).
PIC24F08KM102T-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F08KM202-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24F08KM102-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F08KM202T-I/ML Tỷ lệ tối đa & tính chất điện
| Core Architecture | 16-bit PIC24F |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 8 KB (2.75K x 24) |
| Data Memory (SRAM) | 2 KB |
| EEPROM | 512 bytes |
| Điện áp cung cấp | 1.8 V to 5.5 V |
| Nhiệt độ hoạt động | -40 °C to +85 °C (Industrial) |
| Hộp | 28-QFN (6x6 mm) |
| ADC | 12-bit, up to 19 channels |
| DAC | 8-bit, 2 channels |
| Operational Amplifiers | Integrated |
| Comparators | Integrated |
| Configurable Logic Cell (CLC) | Yes |
| Capture/Compare/PWM | MCCP/SCCP modules |
| I/O Pins | 24 |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24F08KM202T-I/ML
| Chân 1 | RA0 — Port A bit 0 / analog input AN0 |
| Chân 2 | RA1 — Port A bit 1 / analog input AN1 |
| Chân 3 | RA2 — Port A bit 2 / analog input AN2 |
| Chân 4 | RA3 — Port A bit 3 / analog input AN3 |
| Chân 5 | RA4 — Port A bit 4 |
| Chân 6 | VDD — Positive supply voltage |
| Chân 7 | VSS — Ground reference |
| Chân 8 | OSCI — Crystal oscillator input |
| Chân 9 | OSCO — Crystal oscillator output |
| Chân 10 | RA5 — Port A bit 5 |
| Chân 11 | RB0 — Port B bit 0 / programming PGD |
| Chân 12 | RB1 — Port B bit 1 / programming PGC |
| Chân 13 | RB2 — Port B bit 2 |
| Chân 14 | RB3 — Port B bit 3 |
| Chân 15 | RB4 — Port B bit 4 |
| Chân 16 | RB5 — Port B bit 5 |
| Chân 17 | RB6 — Port B bit 6 |
| Chân 18 | RB7 — Port B bit 7 |
| Chân 19 | RC0 — Port C bit 0 |
| Chân 20 | RC1 — Port C bit 1 |
| Chân 21 | RC2 — Port C bit 2 |
| Chân 22 | RC3 — Port C bit 3 |
| Chân 23 | RC4 — Port C bit 4 |
| Chân 24 | RC5 — Port C bit 5 |
| Chân 25 | RC6 — Port C bit 6 |
| Chân 26 | RC7 — Port C bit 7 |
| Chân 27 | MCLR — Master Clear (reset) input |
| Chân 28 | VSS — Ground reference (digital) |
Ứng dụng tiêu biểu
PIC24F08KM202T-I/ML phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Node, Portable Medical Monitoring Device, Industrial Sensor Conditioning and Loop Control, Low-Power Wireless Remote Control, Smart Home and Building Automation, Consumer Audio and Mixed-Signal Display Control.
Battery-Powered IoT Sensor Node
The PIC24F08KM202T-I/ML fits IoT sensor nodes because its XLP nanoWatt sleep currents keep quiescent draw in the nanoampere range between measurement bursts, directly extending battery life. Its 1.8-5.5 V supply range accepts a single Li-ion cell or 2xAA pack without a boost regulator. The 19-channel 12-bit ADC and integrated op amps condition thermocouple, strain-gauge, or electrochemical sensor signals on-chip, eliminating external analog front-ends. Configurable Logic Cell (CLC) handles wake-up event routing without waking the CPU, and the 8 KB Flash runs simple LoRaWAN or BLE beacon stacks.
Được đề xuất
Portable Medical Monitoring Device
The PIC24F08KM202T-I/ML suits portable patient monitors where low noise, deterministic response, and low power matter. Its integrated 12-bit ADC, 8-bit DAC, and op amps condition ECG/PPG/biopotential signals directly, reducing analog BOM. The 16 MIPS performance runs R-peak detection and basic arrhythmia algorithms in real time at 32 MHz, while industrial -40 to +85 °C operation tolerates skin-contact thermal rise. XLP sleep between samples keeps average current in the microampere range, allowing multi-day battery operation for wearable pulse oximeters or glucose patch designs.
Được đề xuất
Industrial Sensor Conditioning and Loop Control
The PIC24F08KM202T-I/ML is a strong fit for industrial 4-20 mA loop transmitters and process sensor conditioners thanks to its integrated op amps (programmable gain), 12-bit ADC, and 8-bit DACs. The wide 1.8-5.5 V supply tolerates 24 V loop drop after regulation, and CLC logic implements hardware-based interlocks that bypass CPU latency for safety-critical trip thresholds. MCCP/SCCP timers support PWM-based proportional outputs, while 24 I/O lines interface to keypads, displays, and HART modems. The 28-QFN footprint suits compact DIN-A-3 sensor head enclosures.
Được đề xuất
Low-Power Wireless Remote Control
The PIC24F08KM202T-I/ML serves low-power wireless remotes (Sub-GHz, BLE, proprietary RF) because its XLP sleep modes keep idle current below 1 µA while waiting for user input, and it wakes within microseconds on CLC interrupt events. The 16-bit PIC core runs encoder/scanner firmware and rolling-code security algorithms, while CLC debounces key matrices in hardware before waking the core. Its 1.8-5.5 V range accepts a single coin cell or 2xAAA battery, and the 28-QFN fits behind a membrane keypad without adding thickness.
Được đề xuất
Smart Home and Building Automation
For smart-home sensor and actuator nodes (thermostats, occupancy sensors, smart dimmers) the PIC24F08KM202T-I/ML integrates the analog chain (ADC, op amps, DAC) on-chip and drives TRIAC/LED PWM directly through its MCCP/SCCP modules. CLC implements zero-cross detect and dimming phase control in hardware, freeing the CPU for higher-level protocols. The 8 KB Flash fits simple Zigbee/Z-Wave/BLE bridge or Matter-ready application code, and XLP sleep keeps battery-powered door/window sensors running for years. The 28-QFN (6x6 mm) supports compact in-fixture designs.
Được đề xuất
Consumer Audio and Mixed-Signal Display Control
The PIC24F08KM202T-I/ML fits small consumer audio and display peripherals (Bluetooth speakers, LED controllers, simple HMI panels) where its DAC, op amps, and PWM combine to drive LEDs or small Class-D audio stages. CLC implements audio routing and pulse-density modulation in hardware. The 16 MIPS core runs audio effect DSP and LED pattern generation, while XLP extends portable playback on a single Li-ion cell. The 28-QFN (6x6 mm) keeps the footprint small for tight consumer enclosures.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24F08KM202T-I/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 | PIC24F08KM102T-I/ML | PIC24F08KM202-I/ML | PIC24F08KM102-I/SO |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) |
| Core | 16-bit PIC24F | 16-bit PIC24F | 16-bit PIC24F | 16-bit PIC24F |
| Flash | 8 KB | 16 KB | 8 KB | 16 KB |
| SRAM | 2 KB | 2 KB | 2 KB | 2 KB |
| EEPROM | 512 B | 512 B | 512 B | 512 B |
| Max Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Supply 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 |
| Integrated Analog | 12-bit ADC, 8-bit DAC, op amps, CLC | 12-bit ADC, 8-bit DAC, op amps, CLC | 12-bit ADC, 8-bit DAC, op amps, CLC | 12-bit ADC, 8-bit DAC, op amps, CLC |
Bảo phân biệt quan trọng
- Higher Flash memory headroom at same package (vsPIC24F08KM102T-I/ML)
- Tape-and-reel factory-fit for high-volume lines (vsPIC24F08KM202-I/ML)
- Full on-chip analog integration (vsPIC24FJ64GA002-I/ML)
Ghi chú thiết kế
The PIC24F08KM202T-I/ML's XLP nanoWatt sleep modes require careful peripheral gating before entry. Estimated: with the ADC and op amps disabled and the CPU in Sleep, the datasheet's typical Sleep current is in the nanoampere range; leaving any analog peripheral active can push sleep current into the microampere range and erase the XLP benefit. Always disable unused analog modules in firmware before WFI/Sleep entry and verify with a µCurrent probe on a populated board.
The 28-QFN (6x6 mm) package has an exposed thermal pad that MUST be soldered to a copper pour on the PCB. Estimated: with the EP soldered to at least 1 cm² of 2-oz copper, the datasheet's thermal resistance θJA drops by roughly 30-40 % versus an unsoldered EP. Connect the EP to the ground plane with multiple thermal vias for best heat spreading. Decouple VDD with a 100 nF ceramic capacitor placed within 3 mm of the VDD pin, plus a bulk 4.7 µF capacitor on the same net.
When using the integrated 12-bit ADC, drive the analog inputs through an RC low-pass filter (typically 1 kΩ + 100 nF) to limit broadband noise folding into the ADC bandwidth. Estimated: at 32 MHz system clock the ADC's effective number of bits (ENOB) can drop by 1-2 LSB if the analog source impedance exceeds the datasheet's recommended maximum. The integrated op amps help buffer high-impedance sensors, but always route analog traces away from digital switching lines and keep the analog ground island contiguous with the EP ground.
A common pitfall is forgetting to configure the Configuration bits for the oscillator mode; leaving the default FRC (internal 8 MHz) without proper PLL setup will lock the firmware at 8 MHz instead of the intended 32 MHz. Always set the Configuration bits in the IDE project properties to match the hardware crystal/oscillator configuration. Another common error is leaving the MCLR pin floating; if MCLR is unused, tie it to VDD through a 10 kΩ resistor to prevent spurious resets from noise.
Thông tin tuân thủ
RoHS and REACH compliance per Microchip product page. Not AEC-Q100 qualified; for automotive-grade equivalents consider PIC24F KM family automotive parts. Industrial -40 to +85 °C operating range.
