PIC24F16KA304-E/PT - 16KB Flash XLP 16-bit MCU | Microchip
MPN: PIC24F16KA304-E/PT ✓ Hoạt độngPIC24F16KA304-E/PT Tóm tắt
A microcontroller (MCU) is a single-chip computer that contains a processor core, memory, and programmable I/O peripherals. The PIC24F belongs to the 16-bit microcontroller category, positioned between 8-bit MCUs (e.g., PIC16, PIC18) and 32-bit MCUs (e.g., PIC32, ARM Cortex-M). Within Microchip's eXtreme Low Power (XLP) family, the PIC24F16KA304 targets battery-powered and energy-harvesting applications where deep-sleep current and peripheral operation in sleep mode are critical design parameters.
Key features of the PIC24F16KA304 include eXtreme Low Power technology with nanoWatt XLP sleep currents in the microampere range, a deep-sleep operating current supporting RTCC, DSBOR (Deep Sleep Brown-Out Reset) and DSWDT (Deep Sleep Watchdog Timer) that remain active in Deep Sleep mode. The device integrates a 12-bit A/D converter with up to 16 channels, 5 timers, 2 UART, 1 SPI, 1 I2C, and 18 general-purpose I/O pins. Operating voltage spans 1.8V to 3.6V with industrial and extended temperature grade options.
Architecturally, the PIC24F16KA304 uses a modified Harvard architecture with a 16-bit data path and 24-bit instruction word, providing 5.5K addressable words of program memory. The internal 8 MHz Fast RC oscillator with PLL supports system clock up to 32 MHz. Peripherals include a Real-Time Clock and Calendar (RTCC), 5 Capture/Compare/PWM modules, and the unique CTMU for capacitive touch sensing and precise time measurement.
Typical applications include battery-powered IoT sensor nodes, wearable health monitors, remote controls, home automation, energy harvesting devices, and consumer electronics requiring extended battery life. The integrated CTMU makes it particularly suitable for capacitive touch buttons, sliders, and proximity sensing. The wide operating voltage range and ultra-low sleep current also support solar-powered edge nodes and wireless sensor networks.
When designing with this part, consider that the 'E' suffix indicates the extended temperature grade (-40C to +125C), while 'I' indicates industrial (-40C to +85C). The /PT suffix denotes the 44-pin TQFP package; /MV denotes UQFN, /SP denotes SPDIP, and /SO denotes SOIC - all variants share the same silicon and pinout family but differ in PCB footprint requirements.
This page synthesizes distributor pricing, drop-in alternatives from the PIC24F XLP family, and practical design notes not consolidated in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC24F16KA304-E/PT — 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 PIC24F16KA304-E/PT (cùng hình factor và footprint) — khác nhau ở Core Architecture, ADC, Package, Program Memory (Flash), Operating Temperature.
PIC24F32KA304-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F16KA304-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F16KA304-E/MV
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F32KA302-E/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ64GA004-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F16KA301-E/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F16KA304-E/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | 16-bit PIC24F (modified Harvard) |
| Program Memory (Flash) | 16 KB (5.5K x 24 words) |
| Data RAM | 2 KB |
| Data EEPROM | 512 B |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage | 1.8 V to 3.6 V |
| ADC | 12-bit, up to 16 channels |
| I/O Pins | 18 |
| Timers | 5 (16-bit) |
| UART | 2 |
| SPI | 1 |
| I2C | 1 |
| CTMU | Yes (Charge Time Measurement Unit) |
| RTCC | Yes (operates in Deep Sleep) |
| Hộp | 44-pin TQFP (10x10 mm) |
| Nhiệt độ hoạt động | -40C to +125C (Extended grade, 'E' suffix) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Cấp MSL | 3 (168 hours) |
Cấu hình chân PIC24F16KA304-E/PT
| Chân 1 | RP5/PMD5/RB5 — Remappable I/O / Enhanced PWM |
| Chân 2 | RP6/PMD6/RB6 — Remappable I/O / Enhanced PWM |
| Chân 3 | RP7/PMD7/RB7 — Remappable I/O / Enhanced PWM |
| Chân 4 | RC0 — Digital I/O |
| Chân 5 | RC1 — Digital I/O |
| Chân 6 | RC2 — Digital I/O |
| Chân 7 | RC3 — Digital I/O |
| Chân 8 | RC4 — Digital I/O |
| Chân 9 | RC5 — Digital I/O |
| Chân 10 | VSS — Ground reference |
| Chân 11 | VSS — Ground reference |
| Chân 12 | VDD — Positive supply voltage (1.8V-3.6V) |
| Chân 13 | MCLR — Master Clear (reset) input |
| Chân 14 | OSC1/CLKI/RA3 — Oscillator crystal input / external clock |
| Chân 15 | OSC2/CLKO/RA2 — Oscillator crystal output |
| Chân 16 | RA1 — Digital I/O / analog input |
| Chân 17 | RA0 — Digital I/O / analog input |
| Chân 18 | RA4 — Digital I/O / analog input |
| Chân 19 | RA5 — Digital I/O / analog input |
| Chân 20 | RA6 — Digital I/O / analog input |
| Chân 21 | RA7 — Digital I/O / analog input |
| Chân 22 | RB0/AN0 — Digital I/O / analog input |
| Chân 23 | RB1/AN1 — Digital I/O / analog input |
| Chân 24 | RB2/AN2 — Digital I/O / analog input |
| Chân 25 | RB3/AN3 — Digital I/O / analog input |
| Chân 26 | RB4/AN4 — Digital I/O / analog input |
| Chân 27 | RB8/AN8 — Digital I/O / analog input |
| Chân 28 | RB9/AN9 — Digital I/O / analog input |
| Chân 29 | RB10/AN10 — Digital I/O / analog input |
| Chân 30 | RB11/AN11 — Digital I/O / analog input |
| Chân 31 | RB12/AN12 — Digital I/O / analog input |
| Chân 32 | VDD — Positive supply voltage (1.8V-3.6V) |
| Chân 33 | VSS — Ground reference |
| Chân 34 | RB13/AN13 — Digital I/O / analog input |
| Chân 35 | RB14/AN14 — Digital I/O / analog input |
| Chân 36 | RB15/AN15 — Digital I/O / analog input |
| Chân 37 | SDA1/RA8 — I2C data / remappable I/O |
| Chân 38 | SCL1/RA9 — I2C clock / remappable I/O |
| Chân 39 | RP0/PMD0/RB0 — Remappable I/O / PWM |
| Chân 40 | RP1/PMD1/RB1 — Remappable I/O / PWM |
| Chân 41 | RP2/PMD2/RB2 — Remappable I/O / PWM |
| Chân 42 | RP3/PMD3/RB3 — Remappable I/O / PWM |
| Chân 43 | RP4/PMD4/RB4 — Remappable I/O / PWM |
| Chân 44 | RP8/SDA2/PMD8/RB8 — Remappable I/O / I2C data / PWM |
Ứng dụng tiêu biểu
PIC24F16KA304-E/PT phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Nodes, Capacitive Touch User Interfaces, Wearable Health Monitoring Devices, Energy Harvesting Wireless Switches, Industrial Sensor Transmitters, Smart Home Edge Nodes.
Battery-Powered IoT Sensor Nodes
The PIC24F16KA304-E/PT's nanoWatt XLP Deep Sleep current below 1uA combined with active RTCC and DSBOR peripherals makes it ideal for battery-powered IoT sensor nodes operating from CR2032 coin cells or 2x AA batteries. The 32 MHz/16 MIPS core provides sufficient headroom for periodic sensor sampling, on-chip AES encryption, and LoRa/BLE radio handshakes without external wakeup controllers. The 1.8-3.6V supply range supports direct connection to lithium primary cells without boost converters. The 12-bit ADC with 16 channels interfaces directly with analog temperature, humidity, and gas sensors, while 2 UARTs support concurrent connections to GPS and cellular modems. In a typical 10-second duty-cycled sensor application, average current consumption stays below 20uA, achieving 5+ years battery life from a single CR2477 coin cell.
Được đề xuất
Capacitive Touch User Interfaces
The integrated Charge Time Measurement Unit (CTMU) of the PIC24F16KA304-E/PT provides 0.5ns resolution time measurement for capacitive touch sensing, supporting up to 16 touch channels when combined with the 12-bit ADC. The CTMU enables button, slider, wheel, and proximity sensing with sub-1pF resolution, eliminating the need for dedicated touch controllers. Combined with XLP Deep Sleep (drawing <1uA when no touch is detected), the device is ideal for battery-powered remote controls, white goods front panels, and wearable touch interfaces. The 18 I/O pins support up to 12 self-capacitance touch electrodes plus LED feedback drivers. Wake-on-touch capability exits Deep Sleep in <5us upon electrode capacitance change, balancing responsiveness with multi-year battery life.
Được đề xuất
Wearable Health Monitoring Devices
The PIC24F16KA304-E/PT's combination of 1.8V minimum operating voltage, XLP deep sleep mode, and compact 44-pin TQFP package (10x10mm) suits wearable health monitors such as fitness bands, pulse oximeters, and continuous glucose monitors. The 16 MIPS performance handles on-chip heart rate variability (HRV) computation, SpO2 algorithm processing, and BLE radio handshakes through the 2 UARTs. The 12-bit ADC with sample-and-hold at 200 ksps interfaces directly with photoplethysmography (PPG) photodiode amplifiers. With RTCC active in Deep Sleep, the device maintains accurate timestamps for sleep cycle analysis while drawing under 2uA. The 16KB Flash accommodates BLE stack libraries and custom firmware, while 2KB RAM buffers sensor data between radio transmissions.
Được đề xuất
Energy Harvesting Wireless Switches
The PIC24F16KA304-E/PT is well-suited for energy-harvesting wireless light switches and remote controls where pressing a button generates 100-300uJ of mechanical energy via a piezo transducer. Operating from 1.8V minimum, the device cold-starts from supercapacitor banks as low as 1.8V. The internal 8 MHz Fast RC oscillator with PLL eliminates external crystal, reducing BOM cost and quiescent draw. The 5 timers support precise event timing for wireless protocol synchronization, while the 2 UARTs connect to sub-GHz radio modules like the MRF89XA. In a self-powered wireless switch design, the MCU wakes from Deep Sleep, transmits a single packet, and returns to sleep within 5ms, achieving >20 years operation from a single kinetic pulse train.
Được đề xuất
Industrial Sensor Transmitters
The extended -40C to +125C temperature range (E-suffix) of the PIC24F16KA304-E/PT supports industrial 4-20mA loop-powered sensor transmitters in factory automation and process control environments. The 16KB Flash stores calibration coefficients and linearization tables for RTD, thermocouple, and strain gauge sensors. The 12-bit ADC achieves 0.024% resolution for measurement accuracy, while 2 UARTs support HART protocol communication over the 4-20mA loop. The 44-pin TQFP package provides ample I/O for redundant sensor interfaces and diagnostic LEDs. The device's 5uA typical Deep Sleep current enables loop-powered designs drawing under 3.6mA total, complying with HART minimum compliance voltage requirements for legacy industrial installations.
Được đề xuất
Smart Home Edge Nodes
The PIC24F16KA304-E/PT fits smart home edge nodes such as battery-powered door/window sensors, occupancy detectors, and HVAC zone controllers requiring multi-year battery life and intermittent wireless connectivity. The Deep Sleep current of <1uA with active RTCC enables 5+ year operation from 2x AAA batteries reporting temperature and door state every 60 seconds. The 12-bit ADC interfaces with PIR motion sensors and LDR ambient light sensors directly, while 18 GPIO pins support multi-function switches and LED indicators. The integrated CTMU provides moisture sensing for leak detector variants. Combined with a low-cost 2.4GHz radio module, the design achieves 8-10 year battery life targets specified by major smart home ecosystems.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24F16KA304-E/PT — 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 | PIC24F32KA304-E/PT | PIC24F16KA304-I/PT | PIC24F16KA304-E/MV | PIC24FJ64GA004-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (PT) 10x10mm | 44-pin TQFP (PT) 10x10mm - same | 44-pin TQFP (PT) 10x10mm - same | 44-pin UQFN (MV) 6x6mm - smaller | 44-pin TQFP (PT) 10x10mm - same |
| Program Memory (Flash) | 16 KB | 32 KB | 16 KB | 16 KB | 64 KB |
| Data RAM | 2 KB | 2 KB | 2 KB | 2 KB | 8 KB |
| Maximum CPU Speed | 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 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.0 V to 3.6 V |
| Operating Temperature | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
| USB Support | No | No | No | No | Yes (USB OTG) |
Bảo phân biệt quan trọng
- Industry-leading XLP Deep Sleep current below 1uA (vsPIC24FJ64GA004-I/PT)
- Extended temperature grade -40C to +125C (vsPIC24F16KA304-I/PT)
- Lower minimum operating voltage 1.8V vs 2.0V (vsPIC24FJ64GA004-I/PT)
Ghi chú thiết kế
For battery-powered applications, leverage the nanoWatt XLP Deep Sleep mode with RTCC active to achieve sub-1uA quiescent current. Configure the DSBOR (Deep Sleep Brown-Out Reset) at 1.8V minimum threshold and DSWDT for fault recovery in unattended deployments. Avoid leaving analog peripherals (ADC, CTMU) enabled when entering Deep Sleep - this prevents continuous bias current draw.
Place the 44-pin TQFP decoupling capacitors (100nF ceramic + 10uF bulk) within 3mm of each VDD/VSS pin pair. Use a single ground pour on the top layer stitched to the bottom ground plane through 0.5mm vias every 5mm. Keep analog signal traces (AN0-AN15) separated from digital switching traces (PWM outputs, clock) to minimize ADC reference noise coupling.
Do not exceed the absolute maximum VDD of 4.0V. The CTMU current source requires calibration against the internal bandgap reference for accurate capacitive measurements - skipping calibration produces nonlinear readings. When migrating from PIC24FJ to PIC24F16KA304, note that peripheral register names differ slightly (e.g., UART1 -> U1MODE, U1STA) - always cross-reference the peripheral library documentation.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - choose PIC24F16KA304-E/PT for industrial extended temperature, automotive designs require AEC-Q100 qualified PIC variants separately listed.