PIC24FV32KA304-E/ML - 32KB Flash 16-bit XLP MCU | Microchip
MPN： PIC24FV32KA304-E/ML ✓ 啟用中PIC24FV32KA304-E/ML 概覽
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.
直接替換替代品，適用於 PIC24FV32KA304-E/ML — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC24FV32KA304-E/ML （相同外形與佔位） — 差異在於 Core Architecture, Operating Temperature, Package, Timers, Maximum CPU Speed.
PIC24FV32KA304-I/ML
✅ 直接替換📋 參考替代品（不在目錄中）
PIC24F32KA304-I/ML
✅ 直接替換聯絡詢價
查看資料表 →PIC24FV32KA304T-I/ML
✅ 直接替換聯絡詢價
查看資料表 →PIC24FV32KA304-E/MV
✅ 直接替換聯絡詢價
查看資料表 →PIC24FV32KA302-I/ML
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC24FV32KA304-E/ML 最大額定值與電氣特性
| 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 |
| 工作溫度 | -40C to +125C (Extended, -E suffix) |
| 封裝 / 外殼 | 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 |
| 安裝類型 | Surface Mount |
| RoHS 狀態 | Compliant |
PIC24FV32KA304-E/ML 腳位配置
| 腳位 1 | RB0/AN0 — GPIO RB0 / analog input AN0 |
| 腳位 2 | RB1/AN1 — GPIO RB1 / analog input AN1 |
| 腳位 3 | RB2/AN2 — GPIO RB2 / analog input AN2 |
| 腳位 4 | RB3/AN3 — GPIO RB3 / analog input AN3 |
| 腳位 5 | VSS — Ground reference |
| 腳位 6 | VDD — Positive supply voltage (1.8 V to 5.5 V) |
| 腳位 7 | RB4/AN4 — GPIO RB4 / analog input AN4 |
| 腳位 8 | RB5/AN5 — GPIO RB5 / analog input AN5 |
| 腳位 9 | RB6/AN6/PGEC1 — GPIO RB6 / AN6 / ICSP clock |
| 腳位 10 | RB7/AN7/PGED1 — GPIO RB7 / AN7 / ICSP data |
| 腳位 11 | RA0 — GPIO RA0 |
| 腳位 12 | RA1 — GPIO RA1 |
| 腳位 13 | RA2 — GPIO RA2 |
| 腳位 14 | RA3 — GPIO RA3 |
| 腳位 15 | RA4 — GPIO RA4 |
| 腳位 16 | RA5 — GPIO RA5 |
| 腳位 17 | RA6 — GPIO RA6 |
| 腳位 18 | RA7 — GPIO RA7 |
| 腳位 19 | VSS — Ground reference |
| 腳位 20 | VCAP — Internal voltage regulator decoupling capacitor |
| 腳位 21 | RC0 — GPIO RC0 |
| 腳位 22 | RC1 — GPIO RC1 |
| 腳位 23 | RC2 — GPIO RC2 |
| 腳位 24 | RC3 — GPIO RC3 |
| 腳位 25 | RC4 — GPIO RC4 |
| 腳位 26 | RC5 — GPIO RC5 |
| 腳位 27 | RC6 — GPIO RC6 |
| 腳位 28 | RC7 — GPIO RC7 |
| 腳位 29 | RC8 — GPIO RC8 |
| 腳位 30 | RC9 — GPIO RC9 |
| 腳位 31 | VSS — Ground reference |
| 腳位 32 | VDD — Positive supply voltage |
| 腳位 33 | RD0 — GPIO RD0 |
| 腳位 34 | RD1 — GPIO RD1 |
| 腳位 35 | RD2 — GPIO RD2 |
| 腳位 36 | RD3 — GPIO RD3 |
| 腳位 37 | RD4 — GPIO RD4 |
| 腳位 38 | RD5 — GPIO RD5 |
| 腳位 39 | RD6 — GPIO RD6 |
| 腳位 40 | RD7 — GPIO RD7 |
| 腳位 41 | RE0 — GPIO RE0 |
| 腳位 42 | RE1 — GPIO RE1 |
| 腳位 43 | RF0 — GPIO RF0 |
| 腳位 44 | VSS — Ground reference (exposed pad) |
典型應用
PIC24FV32KA304-E/ML 適用於 6 應用s: 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.
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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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
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推薦產品摘要
工程參考資料，適用於 PIC24FV32KA304-E/ML — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | 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 |
主要差異化特點
- Extended -40C to +125C temperature grade (對比PIC24FV32KA304-I/ML)
- Wide 1.8 V to 5.5 V VDD range (FV variant) (對比PIC24F32KA304-I/ML)
- 44-pin QFN (8x8 mm) with 17 GPIO and CTMU (對比PIC24FV32KA302-I/ML)
設計說明
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.
合規資訊
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.