PIC24FV32KA304-E/ML - 32KB Flash 16-bit XLP MCU | Microchip
MPN: PIC24FV32KA304-E/ML ✓ Hoạt độngPIC24FV32KA304-E/ML Tóm tắt
What is a 16-bit microcontroller? A 16-bit MCU executes instructions on 16-bit-wide data paths, giving a better balance between code density and arithmetic throughput than 8-bit parts while remaining simpler than 32-bit Cortex-M devices. The PIC24F family from Microchip targets low-power embedded designs and sits in the broader hierarchy: microcontroller -> embedded MCU -> 16-bit MCU -> low-power MCU -> power management node. The PIC24FV variant extends the VDD range higher than the standard PIC24F, enabling 5V analog signal interfacing.
Key features include a 16 MIPS 16-bit CPU core with modified Harvard architecture, a 12-bit A/D converter with up to 16 channels, a 16-bit/32-bit timer/counter block, multiple UART/SPI/I2C peripherals, a Charge Time Measurement Unit (CTMU) for capacitive touch and precise time measurement, and nanoWatt XLP technology that typically draws less than 20 nA in Deep Sleep mode. The 44-pin QFN package exposes up to 17 general-purpose I/O pins on this code.
Typical applications include battery-powered IoT sensor nodes, low-power wireless modules, capacitive touch user interfaces, portable medical monitoring devices, energy harvesting systems, smart meters, and consumer electronics that require long battery life combined with 5V-tolerant analog I/O. The combination of 32 KB Flash and 2 KB RAM fits small RTOS or bare-metal designs.
When designing with this part, ensure the VDD rail stays within the datasheet limits and use the internal LDO mode where supported. For capacitive touch designs, follow the CTMU layout guidelines in the Microchip TB3019 application note. Pricing is shown as of 2026-09-30 from authorized distributors and depends on quantity breaks.
Bộ thay thế dễ dàng lắp đặt cho PIC24FV32KA304-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 PIC24FV32KA304-E/ML (cùng hình factor và footprint) — khác nhau ở Core Architecture, Operating Temperature, Package, Timers, Maximum CPU Speed.
PIC24FV32KA304-I/ML
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PIC24F32KA304-I/ML
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Xem tài liệu →PIC24FV32KA304T-I/ML
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Xem tài liệu →PIC24FV32KA304-E/MV
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Xem tài liệu →PIC24FV32KA302-I/ML
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Xem tài liệu →PIC24FV32KA304-E/ML Tỷ lệ tối đa & tính chất điện
| Family | PIC24F XLP 16-bit Microcontroller |
| Core Architecture | 16-bit PIC24F (modified Harvard) |
| Program Memory (Flash) | 32 KB (11K x 24) |
| RAM Size | 2 KB |
| EEPROM | 512 B |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Supply Voltage (VDD) | 1.8 V to 5.5 V |
| Nhiệt độ hoạt động | -40C to +125C (Extended, -E suffix) |
| Hộp / Vỏ | 44-QFN (8x8 mm) |
| I/O Pins | 17 |
| ADC | 12-bit, up to 16 channels |
| Timers | 16-bit and 32-bit timer/counter modules |
| Communication | UART, SPI, I2C |
| Special Features | CTMU (Charge Time Measurement Unit), DSBOR, DSWDT, RTCC in Deep Sleep |
| Low-Power Technology | eXtreme Low Power (XLP) nanoWatt |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24FV32KA304-E/ML
| Chân 1 | RB0/AN0 — GPIO RB0 / analog input AN0 |
| Chân 2 | RB1/AN1 — GPIO RB1 / analog input AN1 |
| Chân 3 | RB2/AN2 — GPIO RB2 / analog input AN2 |
| Chân 4 | RB3/AN3 — GPIO RB3 / analog input AN3 |
| Chân 5 | VSS — Ground reference |
| Chân 6 | VDD — Positive supply voltage (1.8 V to 5.5 V) |
| Chân 7 | RB4/AN4 — GPIO RB4 / analog input AN4 |
| Chân 8 | RB5/AN5 — GPIO RB5 / analog input AN5 |
| Chân 9 | RB6/AN6/PGEC1 — GPIO RB6 / AN6 / ICSP clock |
| Chân 10 | RB7/AN7/PGED1 — GPIO RB7 / AN7 / ICSP data |
| Chân 11 | RA0 — GPIO RA0 |
| Chân 12 | RA1 — GPIO RA1 |
| Chân 13 | RA2 — GPIO RA2 |
| Chân 14 | RA3 — GPIO RA3 |
| Chân 15 | RA4 — GPIO RA4 |
| Chân 16 | RA5 — GPIO RA5 |
| Chân 17 | RA6 — GPIO RA6 |
| Chân 18 | RA7 — GPIO RA7 |
| Chân 19 | VSS — Ground reference |
| Chân 20 | VCAP — Internal voltage regulator decoupling capacitor |
| Chân 21 | RC0 — GPIO RC0 |
| Chân 22 | RC1 — GPIO RC1 |
| Chân 23 | RC2 — GPIO RC2 |
| Chân 24 | RC3 — GPIO RC3 |
| Chân 25 | RC4 — GPIO RC4 |
| Chân 26 | RC5 — GPIO RC5 |
| Chân 27 | RC6 — GPIO RC6 |
| Chân 28 | RC7 — GPIO RC7 |
| Chân 29 | RC8 — GPIO RC8 |
| Chân 30 | RC9 — GPIO RC9 |
| Chân 31 | VSS — Ground reference |
| Chân 32 | VDD — Positive supply voltage |
| Chân 33 | RD0 — GPIO RD0 |
| Chân 34 | RD1 — GPIO RD1 |
| Chân 35 | RD2 — GPIO RD2 |
| Chân 36 | RD3 — GPIO RD3 |
| Chân 37 | RD4 — GPIO RD4 |
| Chân 38 | RD5 — GPIO RD5 |
| Chân 39 | RD6 — GPIO RD6 |
| Chân 40 | RD7 — GPIO RD7 |
| Chân 41 | RE0 — GPIO RE0 |
| Chân 42 | RE1 — GPIO RE1 |
| Chân 43 | RF0 — GPIO RF0 |
| Chân 44 | VSS — Ground reference (exposed pad) |
Ứng dụng tiêu biểu
PIC24FV32KA304-E/ML phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Nodes, Capacitive Touch User Interface, Portable Medical Monitoring Devices, Smart Metering and Energy Harvesting, Industrial Sensor Transmitters, Consumer Remote Controls and HIDs.
Battery-Powered IoT Sensor Nodes
The PIC24FV32KA304-E/ML is ideal for battery-powered IoT sensor nodes because it delivers 16 MIPS of 16-bit processing while drawing less than 20 nA in Deep Sleep mode. Its 32 KB Flash and 2 KB RAM are sufficient for BLE/Zigbee stack snippets or LoRaWAN MAC code, and the 1.8 V to 5.5 V VDD range lets the MCU run directly from a 3.6 V lithium-thionyl chloride primary cell. The unique RTCC that runs in Deep Sleep keeps wall-clock time accurate without waking the core, dramatically extending battery life in remote deployments.
Được đề xuất
Capacitive Touch User Interface
The on-chip CTMU peripheral enables robust capacitive touch buttons, sliders, and proximity sensing with minimal firmware overhead. Hardware-implemented charge timing removes the need for external touch ICs and provides stable readings even under moisture or noise. The 32 KB Flash is sufficient for mTouch reference firmware plus the application layer, while the 1.8 V to 5.5 V range simplifies operation directly from a USB-powered 5 V rail. Engineers should follow Microchip TB3019 layout guidelines for optimal touch performance.
Được đề xuất
Portable Medical Monitoring Devices
The PIC24FV32KA304-E/ML fits portable medical monitors such as pulse oximeters, glucose meters, and wearable patches. Its 12-bit ADC with up to 16 channels can read multiple biosensors simultaneously, and the extended -40C to +125C temperature grade covers sterilization and skin-contact thermal ranges. The Deep Sleep current under 20 nA allows multi-month battery life on coin cells. The wide VDD range simplifies direct connection to a single lithium primary or rechargeable cell.
Được đề xuất
Smart Metering and Energy Harvesting
In smart electricity, gas, or water meters, the PIC24FV32KA304-E/ML provides the computation headroom for metering algorithms plus the low sleep current required for 10+ year battery life. The on-chip DSBOR and DSWDT allow brown-out recovery and watchdog operation even in Deep Sleep, which is critical for unattended endpoints. The 12-bit ADC can read shunt current sensors or temperature transducers, and the RTCC keeps accurate time-of-use billing data.
Được đề xuất
Industrial Sensor Transmitters
For 4-20 mA loop-powered or industrial wireless transmitters, the PIC24FV32KA304-E/ML delivers industrial temperature operation and 5 V tolerance for analog sensor interfacing. The CTMU can measure RTD or thermistor resistance accurately through charge-time methods, eliminating some analog front-end components. The 32 KB Flash holds wireless stack snippets such as WirelessHART or IO-Link device firmware, while 2 KB RAM handles protocol state buffers.
Được đề xuất
Consumer Remote Controls and HIDs
The PIC24FV32KA304-E/ML is a strong fit for TV remote controls, air-conditioner remotes, game controllers, and other human-interface devices that spend most of their life asleep. Its sub-20 nA Deep Sleep preserves coin-cell life for years, while the IR timer/counter and CTMU enable capacitive buttons plus IR transmit on a single chip. The 32 KB Flash fits full HID descriptor tables and wake-on-touch or wake-on-IR routines.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FV32KA304-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 | PIC24FV32KA304-I/ML | PIC24F32KA304-I/ML | PIC24FV32KA304T-I/ML | PIC24FV32KA304-E/MV | PIC24FV32KA302-I/ML |
|---|---|---|---|---|---|---|
| Package | 44-QFN (8x8) | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same | 44-QFN (8x8) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| EEPROM | 512 B | 512 B | 512 B | 512 B | 512 B | 512 B |
| Max CPU Speed | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 3.6 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 (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
| CTMU Capacitive Touch | Yes | Yes | Yes | Yes | Yes | Yes |
Bảo phân biệt quan trọng
- Extended -40C to +125C temperature grade (vsPIC24FV32KA304-I/ML)
- Wide 1.8 V to 5.5 V VDD range (FV variant) (vsPIC24F32KA304-I/ML)
- 44-pin QFN (8x8 mm) with 17 GPIO and CTMU (vsPIC24FV32KA302-I/ML)
Ghi chú thiết kế
Estimated: Deep Sleep current is typically less than 20 nA with RTCC and DSWDT disabled. Enable only the peripherals required for wake (DSBOR, DSWDT, RTCC) to minimize sleep current. Use Idle mode when CPU clock can stop but peripherals must run; Sleep when the entire core may stop. Refer to the PIC24F Family Reference Manual DS39708 for sleep configuration.
Place a 100 nF decoupling capacitor as close as possible to each VDD pin and a single bulk capacitor (4.7 uF to 10 uF) on the main VDD rail. The VCAP pin requires a low-ESR 1 uF to 10 uF capacitor to ground for internal regulator stability. The QFN package exposed pad must be soldered to a continuous ground plane for thermal dissipation.
Do not exceed 5.5 V on any VDD pin or the absolute maximum ratings. Configure unused I/O as outputs low to minimize current. When migrating from PIC24F to PIC24FV variants, confirm 5 V analog tolerance is required, since both share pinouts but differ in VDD range. Use Microchip's MPLAB X IDE and XC16 compiler for proper configuration bit programming.
Keep analog input traces short and routed away from digital switching lines to minimize ADC noise coupling. Provide a ground ring around the CTMU touch electrodes and keep the sensor traces of similar length for matched charge timing. Follow Microchip application note TB3019 for capacitive touch PCB layout recommendations.
Thông tin tuân thủ
RoHS and REACH compliance confirmed on Microchip product page and DigiKey listing. AEC-Q100 qualification not stated; not designed for automotive safety-critical use. Lead-free reflow profile per JEDEC J-STD-020.