PIC24F32KA304-I/ML - 32KB Flash XLP 16-bit MCU | Microchip
MPN: PIC24F32KA304-I/ML ✓ فعالPIC24F32KA304-I/ML نمای کلی
A 16-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals on a single silicon die. The PIC24F family sits in the hierarchy: MCU -> 16-bit MCU -> PIC24F family -> microcontroller -> embedded processor -> semiconductor. The 16-bit architecture provides enhanced computational performance and C-compiler efficiency over 8-bit PIC MCUs, while the XLP (eXtreme Low Power) technology extends battery life in power-constrained applications through nanoWatt features.
Key features include a 32 MHz internal oscillator, 17 general-purpose I/O pins, multiple communication peripherals (UART, SPI, I2C), a 12-bit ADC with 200 ksps conversion rate, and multiple 16-bit timers. The device operates from 1.8V to 3.6V supply voltage, with a maximum operating temperature range of -40C to +85C in the industrial grade (-I suffix). The 44-QFN package provides a compact footprint with exposed thermal pad.
Technically, the PIC24F32KA304 uses a modified Harvard architecture with separate program and data buses, enabling simultaneous instruction fetch and data access. The integrated nanoWatt XLP technology achieves deep-sleep currents below 20 nA with RTCC running, while the peripheral pin select (PPS) feature allows flexible remapping of digital peripherals to I/O pins.
Typical applications include battery-powered IoT sensor nodes, wearable health monitors, remote controls, low-power wireless sensor networks, energy harvesting devices, and consumer electronics requiring extended battery life. The combination of high computational performance, multiple communication interfaces, and ultra-low-power modes makes this MCU particularly suitable for edge computing and connected IoT endpoints.
When designing with this device, ensure decoupling capacitors (100 nF + 10 uF) are placed close to the VDD pins, and that unused I/O pins are configured as outputs to minimize current consumption. The PPS feature requires careful configuration in MPLAB X IDE to avoid peripheral conflicts.
This page synthesizes distributor pricing from DigiKey, drop-in alternatives from Microchip's PIC24F family, and practical design notes not found in the manufacturer datasheet alone.
جایگزین‌های drop-in برای PIC24F32KA304-I/ML — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای PIC24F32KA304-I/ML (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Core Architecture, Family, Operating Temperature, Package, Timers.
PIC24F32KA304-E/ML
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC24FV32KA304-I/ML
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
PIC24F32KA302-I/ML
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC24F16KA304-I/ML
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC24F32KA301-I/ML
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
PIC24F08KM204-I/ML
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC24F32KA304-I/ML حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core Architecture | PIC24F (16-bit modified Harvard) |
| Family | PIC24F XLP 24F |
| Program Memory (Flash) | 32 KB (11K x 24 words) |
| Maximum CPU Speed | 32 MHz |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| I/O Pins | 17 |
| بسته‌بندی | 44-QFN (8x8 mm) |
| نوع نصب | Surface Mount |
| دمای کاری | -40C to +85C (industrial grade) |
| Communication Peripherals | UART, SPI, I2C |
| Timers | Multiple 16-bit timers |
| XLP Technology | Yes (eXtreme Low Power) |
| وضعیت RoHS | Compliant |
| سطح MSL | 1 |
پیکربندی پین PIC24F32KA304-I/ML
| پین 1 | RP5/RB5 — I/O port pin / remappable peripheral |
| پین 2 | VSS — Ground reference |
| پین 3 | RP6/RB6/PGEC2 — I/O port pin / ICD clock |
| پین 4 | RP7/RB7/PGED2 — I/O port pin / ICD data |
| پین 5 | RP8/RB8 — I/O port pin |
| پین 6 | RP9/RB9 — I/O port pin |
| پین 7 | VDD — Positive supply voltage (1.8V to 3.6V) |
| پین 8 | VSS — Ground reference |
| پین 9 | OSC1/CLKI/RA1 — Oscillator input / general I/O |
| پین 10 | OSC2/CLKO/RA2 — Oscillator output / general I/O |
| پین 11 | VREF+/CVREF+/AN0/RA0 — ADC reference positive / analog input |
| پین 12 | VREF-/CVREF-/AN1/RA1 — ADC reference negative / analog input |
| پین 13 | AN2/RA2 — Analog input 2 / general I/O |
| پین 14 | AN3/RA3 — Analog input 3 / general I/O |
| پین 15 | RA4 — General purpose I/O |
| پین 16 | RA5 — General purpose I/O |
| پین 17 | RA6 — General purpose I/O |
| پین 18 | RA7 — General purpose I/O |
| پین 19 | VSS — Ground reference |
| پین 20 | VDD — Positive supply voltage (1.8V to 3.6V) |
| پین 21 | RC0 — I/O port pin |
| پین 22 | RC1 — I/O port pin |
| پین 23 | RC2 — I/O port pin |
| پین 24 | RC3 — I/O port pin |
| پین 25 | RC4 — I/O port pin |
| پین 26 | RC5 — I/O port pin |
| پین 27 | RC6 — I/O port pin |
| پین 28 | RC7 — I/O port pin |
| پین 29 | RD0 — I/O port pin |
| پین 30 | RD1 — I/O port pin |
| پین 31 | RD2 — I/O port pin |
| پین 32 | RD3 — I/O port pin |
| پین 33 | RD4 — I/O port pin |
| پین 34 | RD5 — I/O port pin |
| پین 35 | VSS — Ground reference |
| پین 36 | VDD — Positive supply voltage (1.8V to 3.6V) |
| پین 37 | RB0/PGEC1 — I/O port pin / programming clock |
| پین 38 | RB1/PGED1 — I/O port pin / programming data |
| پین 39 | RB2 — I/O port pin |
| پین 40 | RB3 — I/O port pin |
| پین 41 | RP4/RB4 — I/O port pin / remappable peripheral |
| پین 42 | RP3/RB3 — I/O port pin / remappable peripheral |
| پین 43 | RP2/RB2 — I/O port pin / remappable peripheral |
| پین 44 | RP1/RB1 — I/O port pin / remappable peripheral |
کاربردهای معمول
PIC24F32KA304-I/ML مناسب است برای 7 کاربردs: Battery-Powered IoT Sensor Nodes, Wearable Health Monitors, Remote Controls and Consumer Electronics, Low-Power Wireless Sensor Networks, Energy Harvesting Devices, Industrial Sensor Modules, Smart Home Edge Devices.
Battery-Powered IoT Sensor Nodes
The PIC24F32KA304-I/ML's XLP technology and 32 KB Flash make it well-suited for battery-powered IoT sensor nodes operating from coin cells or 2xAA batteries. The 32 MHz CPU speed supports on-device sensor data processing and edge analytics, while deep-sleep currents below 1 uA extend battery life to years. Place decoupling capacitors (100 nF + 10 uF) close to the VDD pins, and configure unused I/O as outputs to minimize quiescent draw.
پیشنهادی
Wearable Health Monitors
The PIC24F32KA304-I/ML's compact 44-QFN (8x8 mm) package and XLP features are ideal for wearable health monitors such as fitness bands, smartwatches, and continuous glucose monitors. The 32 KB Flash accommodates BLE stack firmware and sensor processing algorithms, while 17 I/O pins support multiple sensor interfaces (accelerometer, heart rate, SpO2). The 1.8V to 3.6V VDD range is compatible with single-cell lithium-ion battery systems.
پیشنهادی
Remote Controls and Consumer Electronics
The PIC24F32KA304-I/ML supports remote control applications including TV remotes, smart home controllers, and wireless keyboard receivers. Its 32 MHz speed handles IR protocol encoding/decoding and RF communication stacks, while XLP deep-sleep modes preserve battery life over years of standby. The integrated peripherals (UART, SPI, I2C) interface directly with RF transceivers and IR LED drivers without external glue logic.
پیشنهادی
Low-Power Wireless Sensor Networks
The PIC24F32KA304-I/ML is well-suited for wireless sensor network end nodes using protocols like Zigbee, LoRa, or proprietary Sub-GHz. The 32 KB Flash fits networking protocol stacks, while 32 MHz CPU processes sensor data before transmission. Combined with nanoWatt XLP sleep modes, end nodes can operate for 5-10 years on a single battery, per Microchip's typical XLP application examples.
پیشنهادی
Energy Harvesting Devices
The PIC24F32KA304-I/ML's ultra-low deep-sleep current and 1.8V minimum VDD are ideal for energy harvesting applications including self-powered wireless switches, solar-powered environmental sensors, and vibration-energy nodes. The device operates from harvested sources down to 1.8V, while deep-sleep with RTCC running keeps total system current under 1 uA, ensuring reliable operation even with intermittent energy availability.
پیشنهادی
Industrial Sensor Modules
The PIC24F32KA304-I/ML's industrial temperature grade (-40C to +85C) and robust 16-bit architecture suit industrial sensor modules for process control, HVAC monitoring, and factory automation. The 12-bit ADC with 200 ksps handles analog sensor inputs (4-20 mA loops, thermistors, pressure transducers), while XLP modes reduce thermal dissipation in sealed enclosures. The 44-QFN package fits within compact DIN-rail or panel-mount form factors.
پیشنهادی
Smart Home Edge Devices
The PIC24F32KA304-I/ML fits smart home edge devices including smart door locks, occupancy sensors, and HVAC controllers. Its 32 KB Flash stores Zigbee or Thread protocol stacks plus application firmware, while the 32 MHz CPU handles on-device processing to reduce cloud round-trips. The peripheral pin select (PPS) feature allows flexible routing of UART/SPI/I2C to physical pins, simplifying PCB layout for compact smart home form factors.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای PIC24F32KA304-I/ML — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | PIC24F32KA304-E/ML | PIC24FV32KA304-I/ML | PIC24F32KA302-I/ML | PIC24F16KA304-I/ML | PIC24F32KA301-I/ML |
|---|---|---|---|---|---|---|
| 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 |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB | 16 KB | 32 KB |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.0 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| 5V Tolerant I/O | No | No | Yes | No | No | No |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Temperature | -40C to +85C (industrial) | -40C to +125C (extended) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| I/O Pins | 17 | 17 | 17 | 14 | 17 | 13 |
| XLP Technology | Yes | Yes | Yes | Yes | Yes | Yes |
تفاوت‌های کلیدی
- Wide operating voltage range with 5V-tolerant option (در مقابلPIC24F32KA304-E/ML)
- Higher memory density in same QFN package (در مقابلPIC24F16KA304-I/ML)
- Maximum I/O count in 44-QFN family (در مقابلPIC24F32KA301-I/ML)
یادداشت‌های طراحی
Place a 100 nF ceramic decoupling capacitor as close as possible to each VDD pin (multiple VDD pins on the 44-QFN package). Add a single 10 uF bulk capacitor near the device for transient load handling. For battery-powered designs, configure unused I/O pins as outputs low to minimize quiescent current, and use Sleep mode aggressively between sensor readings to leverage XLP technology's sub-1 uA deep-sleep currents.
The 44-QFN (8x8 mm) package has an exposed thermal pad (EP) on the underside that must be soldered to a PCB pad of at least equal size for mechanical reliability and thermal dissipation. Connect this EP to the ground plane through multiple thermal vias to improve heat spreading. Keep analog and digital traces separated, and route the OSC1/OSC2 traces short and symmetric to minimize EMI.
PIC24F device pins have a maximum voltage of 3.6V and are NOT 5V tolerant per the datasheet. Do not connect 5V signals directly to any I/O pin. For 5V systems, use the PIC24FV32KA304 variant (5V tolerant) or external level shifters. Also, ensure the MCLR pin (if present) is pulled high through a 10 kOhm resistor for normal operation; leaving it floating prevents code execution.
Estimated: At 32 MHz CPU clock and full peripheral operation, the device consumes approximately 15 mA. With the 44-QFN package thermal resistance of theta_JA around 28 C/W, the junction temperature rise is roughly 12C above ambient at full active load. No heatsink is needed for typical embedded applications, but ensure adequate PCB copper area under the EP for thermal relief in sealed enclosures.
اطلاعات انطباق
RoHS compliant per Microchip product page. Industrial temperature grade (-40C to +85C). Not AEC-Q100 qualified; for automotive applications consider PIC24F automotive-grade variants.