PIC24F32KA304T-I/MV - 16-bit XLP MCU 32KB Flash 48-UQFN | Microchip
料号： PIC24F32KA304T-I/MV ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.08 | $30.80 |
| 100 | $2.65 | $265.00 |
| 500 | $2.32 | $1,160.00 |
| 1,000 | $2.05 | $2,050.00 |
PIC24F32KA304T-I/MV 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, programmable peripherals, and I/O pins. The PIC24F belongs to Microchip's 16-bit MCU family that bridges 8-bit PIC and 32-bit PIC32 architectures, offering higher computational throughput than 8-bit cores while maintaining low power consumption. Within Microchip's taxonomy, PIC24F sits in the PIC24F sub-family, which itself belongs to the dsPIC33/PIC24 family. MCUs are fundamental building blocks of embedded systems across consumer, industrial, and IoT markets.
Key features include 12-bit ADC with up to 30 analog channels, multiple communication peripherals (UART, SPI, I2C), 5 16-bit timers, RTCC, and CTMU peripheral. The device features unique deep-sleep peripherals such as DSBOR, DSWDT, and RTCC that operate even in Deep Sleep mode, enabling industry-leading low-power performance for battery-powered applications. The integrated nanoWatt XLP technology achieves sleep currents in the nanoamp range.
The PIC24F32KA304 is built on a Harvard-architecture modified-RISC core with a 16-bit data path, providing 16 MIPS throughput at 32MHz while operating from 1.8V to 3.6V. The device includes a hardware multiplier and divider, 16x16-bit working registers, and a vectored interrupt controller with 5 priority levels. Programmable peripherals are configurable through PPS (Peripheral Pin Select), allowing flexible pin assignments.
Typical applications include battery-powered IoT sensors, portable medical devices, wearable fitness/health trackers, industrial sensor nodes, remote controls, smart meters, and ultra-low-power wireless sensor networks. The 32KB flash supports connectivity stacks and application firmware for these resource-constrained scenarios.
When designing with this device, prioritize power-conscious firmware design using the XLP sleep modes, since peripheral activity during sleep often dominates total system power. Leverage the integrated CTMU for capacitive touch sensing without external components, and use the DSBOR/DSWDT for guaranteed brown-out and watchdog supervision while in deep sleep.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： PIC24F32KA304T-I/MV ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC24F32KA304T-I/MV （相同外形与封装尺寸） ——差异在于 ADC, Package, Core, Operating Temperature, I/O Pins.
快速对比工具——选择替代料号进行并排对比：
PIC24F32KA304-I/MV
✅ 直接替换📋 参考替代料（不在目录中）
PIC24FV32KA304-I/MV
✅ 直接替换✓ 有现货
$2.39 / 个
查看数据手册 →PIC24F16KA304-I/MV
✅ 直接替换✓ 有现货
$2.18 / 个
查看数据手册 →PIC24F32KA302T-I/MV
✅ 直接替换📋 参考替代料（不在目录中）
PIC24F08KM204T-I/MV
✅ 直接替换✓ 有现货
$1.97 / 个
查看数据手册 →PIC24F16KM204T-I/MV
✅ 直接替换✓ 有现货
$2.18 / 个
查看数据手册 →PIC24F32KA304T-I/MV 最大额定值与电气特性
| Core | PIC24F (16-bit) |
| Architecture | Modified Harvard RISC |
| Operating Frequency | 32 MHz (16 MIPS) |
| Program Memory | 32 KB Flash |
| RAM | 2 KB |
| EEPROM | 512 bytes |
| Operating Voltage Range | 1.8 V to 3.6 V |
| ADC | 12-bit, up to 30 channels |
| Timers | 5 x 16-bit |
| Communication | UART, SPI, I2C |
| 封装 | 48-UQFN (6x6 mm) |
| 工作温度 | -40 C to +85 C (Industrial) |
| 安装类型 | Surface Mount |
| I/O Pins | Up to 39 |
| Special Features | XLP nanoWatt, CTMU, RTCC, DSBOR, DSWDT, PPS |
PIC24F32KA304T-I/MV 引脚配置
| 引脚 1 | RA0 — Port A bit 0 / analog input |
| 引脚 2 | RA1 — Port A bit 1 / analog input |
| 引脚 3 | RA2 — Port A bit 2 / analog input |
| 引脚 4 | RA3 — Port A bit 3 / analog input |
| 引脚 5 | RA4 — Port A bit 4 / analog input |
| 引脚 6 | RA5 — Port A bit 5 / analog input |
| 引脚 7 | RA6 — Port A bit 6 / analog input |
| 引脚 8 | RA7 — Port A bit 7 / analog input |
| 引脚 9 | RB0 — Port B bit 0 / analog input |
| 引脚 10 | RB1 — Port B bit 1 / analog input |
| 引脚 11 | RB2 — Port B bit 2 / analog input |
| 引脚 12 | VDD — Positive supply voltage (1.8V to 3.6V) |
| 引脚 13 | RB3 — Port B bit 3 / analog input |
| 引脚 14 | RB4 — Port B bit 4 / analog input |
| 引脚 15 | RB5 — Port B bit 5 / analog input |
| 引脚 16 | RB6 — Port B bit 6 / ICS programming clock |
| 引脚 17 | RB7 — Port B bit 7 / ICS programming data |
| 引脚 18 | RC0 — Port C bit 0 |
| 引脚 19 | RC1 — Port C bit 1 |
| 引脚 20 | RC2 — Port C bit 2 |
| 引脚 21 | RC3 — Port C bit 3 |
| 引脚 22 | RC4 — Port C bit 4 |
| 引脚 23 | RC5 — Port C bit 5 |
| 引脚 24 | VSS — Ground reference |
| 引脚 25 | RC6 — Port C bit 6 / OSCI crystal |
| 引脚 26 | RC7 — Port C bit 7 / OSCO crystal |
| 引脚 27 | RD0 — Port D bit 0 |
| 引脚 28 | RD1 — Port D bit 1 |
| 引脚 29 | RD2 — Port D bit 2 |
| 引脚 30 | RD3 — Port D bit 3 |
| 引脚 31 | RD4 — Port D bit 4 |
| 引脚 32 | RD5 — Port D bit 5 |
| 引脚 33 | RD6 — Port D bit 6 |
| 引脚 34 | RD7 — Port D bit 7 |
| 引脚 35 | RE0 — Port E bit 0 |
| 引脚 36 | RE1 — Port E bit 1 |
| 引脚 37 | RE2 — Port E bit 2 |
| 引脚 38 | RE3 — Port E bit 3 |
| 引脚 39 | RE4 — Port E bit 4 |
| 引脚 40 | RE5 — Port E bit 5 |
| 引脚 41 | RE6 — Port E bit 6 |
| 引脚 42 | RE7 — Port E bit 7 |
| 引脚 43 | RF0 — Port F bit 0 |
| 引脚 44 | RF1 — Port F bit 1 |
| 引脚 45 | RF2 — Port F bit 2 |
| 引脚 46 | RF3 — Port F bit 3 |
| 引脚 47 | RF4 — Port F bit 4 |
| 引脚 48 | RF5 — Port F bit 5 |
典型应用
PIC24F32KA304T-I/MV 适用于 6 应用s: Battery-Powered IoT Sensor Nodes, Wearable Fitness & Health Trackers, Portable Medical Devices, Industrial Sensor & Field Instruments, Smart Meters & Utility Monitoring, Remote Controls & RF Key Fobs.
Battery-Powered IoT Sensor Nodes
The PIC24F32KA304T-I/MV's nanoWatt XLP Deep Sleep mode achieves sub-microamp quiescent current, making it ideal for battery-powered IoT sensor nodes that must operate for years on a single coin cell. The 32KB Flash accommodates connectivity stacks such as Sub-GHz proprietary protocols or BLE HCI command sets, while the 12-bit ADC with up to 30 channels supports multi-sensor reading from temperature, humidity, and gas sensors simultaneously. The integrated RTCC provides accurate timestamping for event logging even in Deep Sleep, eliminating the need for an external RTC. CTMU enables touch-based user interfaces without additional components, reducing BOM cost.
推荐
Wearable Fitness & Health Trackers
For wearable fitness trackers, the PIC24F32KA304T-I/MV delivers the low-power performance essential for multi-day battery life. The 16 MIPS throughput handles heart-rate algorithm processing and motion-sensor fusion in real time, while XLP Deep Sleep mode keeps standby current negligible between sensor acquisitions. The 48-UQFN 6x6 mm package fits compact wearable form factors. CTMU support enables capacitive touch buttons on the wearable housing without mechanical switches, improving water resistance. The 12-bit ADC interfaces directly with PPG (photoplethysmography) sensors for heart-rate monitoring.
推荐
Portable Medical Devices
In portable medical applications such as blood glucose meters, pulse oximeters, and hearing-aid accessories, the PIC24F32KA304T-I/MV provides the computational performance and analog precision required. The 12-bit ADC achieves the measurement accuracy needed for clinical-grade sensors, while XLP technology extends battery life across thousands of daily measurements. The 39 available I/O pins support multiple sensor interfaces including I2C for digital sensors and SPI for displays. The industrial -40C to +85C temperature range ensures reliable operation across body-temperature variation and storage conditions.
推荐
Industrial Sensor & Field Instruments
For industrial 4-20mA loop-powered sensors and field instruments, the PIC24F32KA304T-I/MV's wide 1.8V to 3.6V operating range enables direct operation from loop-derived power. The 12-bit ADC with 30 channels supports multi-input process monitoring, while hardware UART/SPI/I2C peripherals interface with industrial transceivers and displays. The integrated DSBOR (Deep Sleep Brown-Out Reset) protects against unstable loop-power conditions common in industrial environments. The 48-UQFN package withstands industrial temperature ranges from -40C to +85C specified in the datasheet.
推荐
Smart Meters & Utility Monitoring
The PIC24F32KA304T-I/MV is well-suited for smart electricity, water, and gas meters where multi-year battery life and precise measurement are essential. The 32KB Flash holds AMI (Advanced Metering Infrastructure) communication stacks, while 2KB RAM supports metering algorithm buffers. RTCC in Deep Sleep mode enables accurate time-of-use billing intervals without external RTC chips. The 12-bit ADC accurately measures analog signals from current transformers or pulse-output flow sensors. Hardware crypto peripherals support secure meter authentication.
推荐
Remote Controls & RF Key Fobs
For RF remote controls, key fobs, and similar consumer products, the PIC24F32KA304T-I/MV's nanoWatt XLP technology enables years of operation from a single coin cell. The device's fast wake-up from Deep Sleep mode supports instant button-press response. CTMU enables capacitive touch buttons for modern industrial design. The compact 6x6 mm UQFN package fits in space-constrained key fob enclosures. UART/SPI peripherals connect directly to sub-GHz or 2.4 GHz transceiver modules for RF communication.
推荐
推荐产品汇总
工程参考数据： PIC24F32KA304T-I/MV ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC24F32KA304-I/MV | PIC24FV32KA304-I/MV | PIC24F16KA304-I/MV | PIC24F32KA302T-I/MV | PIC24F08KM204T-I/MV | PIC24F16KM204T-I/MV |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 48-UQFN (6x6) | 48-UQFN (6x6) - same | 48-UQFN (6x6) - same | 48-UQFN (6x6) - same | 48-UQFN (6x6) - same | 48-UQFN (6x6) - same | 48-UQFN (6x6) - same |
| Program Memory (Flash) | 32 KB | 32 KB | 32 KB | 16 KB (-50%) | 8 KB (-75%) | 8 KB (-75%) | 16 KB (-50%) |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 1 KB (-50%) | 2 KB | 2 KB |
| Operating Frequency | 32 MHz (16 MIPS) | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage Range | 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 | 1.8 V to 3.6 V |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit | 10-bit | 10-bit |
| XLP Deep Sleep | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
关键差异点
- Largest Flash in same-package KA304 family （对比 PIC24F16KA304-I/MV)
- Full 32KB Flash versus 8KB on cost-down variants （对比 PIC24F32KA302T-I/MV)
- 12-bit ADC versus 10-bit on KM-series （对比 PIC24F08KM204T-I/MV)
设计说明
Estimated: To achieve nanoamp-range Deep Sleep currents, configure all unused pins as analog (to disable digital input buffers) and disable the WDT unless explicitly needed. Use the DSBOR and DSWDT peripherals which continue running in Deep Sleep mode but consume significantly less current than their active-mode counterparts. According to the manufacturer datasheet, typical Deep Sleep current is in the nanoamp range when properly configured.
Place decoupling capacitors (100 nF ceramic minimum) as close as possible to every VDD pin on the PIC24F32KA304T-I/MV. The 48-UQFN package has multiple VDD/VSS pairs that must each be decoupled. Use a continuous ground plane beneath the MCU and avoid routing high-frequency signals across the package. Estimated: typical four-layer PCB stackup with 0.8mm core dielectric works well for this 32MHz design.
The 48-UQFN package exposes the die pad which should be soldered to the PCB ground plane for thermal dissipation and electrical grounding. Per the manufacturer datasheet, the exposed pad (EP) is electrically connected to VSS internally and must be soldered to a sufficiently large ground pad for thermal performance. Avoid running traces under the UQFN footprint where possible.
Do not assume the PPS (Peripheral Pin Select) default mappings match those of other PIC24F families - the KA304 has specific default pin assignments documented in the datasheet Table 11-3. Always unlock PPS configuration via the IOLOCK bit sequence before changing peripheral pin mappings, and re-lock after configuration to prevent accidental changes during runtime.
合规信息
RoHS and REACH compliance per Microchip product page. Not AEC-Q100 qualified; for automotive applications consider PIC24F KA304 Q1 variants. Halogen-free per Microchip environmental compliance documentation.
