PIC24F16KA302-I/SP - 16-Bit XLP Microcontroller | Microchip
MPN: PIC24F16KA302-I/SP ✓ Hoạt độngPIC24F16KA302-I/SP Tóm tắt
A microcontroller is a programmable system-on-chip that integrates a CPU core, memory, and peripherals such as analog converters, timers, communication interfaces, and I/O ports. The PIC24F16KA302 belongs to the PIC24 XLP family of 16-bit microcontrollers, which combine a modified Harvard architecture, dedicated Flash program memory, and power-management features intended for battery-powered and power-constrained equipment.
Key features include a 12-bit ADC, CTMU capacitive-measurement support, 17 I/O ports, operation from 1.8 V to 3.6 V, and an instruction throughput of 16 MIPS. The device adds Deep Sleep operating modes together with DSBOR, DSWDT, and an RTCC that can continue operating in low-power states. These characteristics make the MCU suitable for portable monitoring, sensing, and control products that must limit standby energy consumption.
The PIC24F16KA302 combines 16 KB of Flash, organized as 5.5K by 24 program words, with 2 KB of data RAM and 512 bytes of EEPROM. The 12-bit ADC provides greater resolution than an 8-bit converter for applications involving battery voltage, temperature, or analog sensor measurements. CTMU adds a charge-transfer measurement capability that can be used for capacitive buttons, touch sensing, and basic analog measurement functions.
Typical applications include battery-powered sensor nodes, compact environmental monitors, handheld test equipment, capacitive-input user interfaces, and low-power industrial control panels. The 28-pin SPDIP package also supports through-hole prototyping and expansion boards. Because the MCU can operate down to 1.8 V, designers can use it in 2-cell energy-harvesting, coin-cell, and regulated 3 V systems where a 5 V-only controller would be unsuitable.
When designing the power path, select the regulator for both the 1.8 V to 3.6 V operating range and the peak current required by the ADC, CTMU, I/O pins, and attached peripherals. Keep the Watchdog Timer, brown-out detection, and Deep Sleep configuration in the firmware plan because these features materially affect both standby consumption and recovery behavior.
This page consolidates the device specifications, package details, engineering alternatives, and practical design guidance for engineers evaluating the PIC24F16KA302-I/SP in low-power embedded systems.
Bộ thay thế dễ dàng lắp đặt cho PIC24F16KA302-I/SP — 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 PIC24F16KA302-I/SP (cùng hình factor và footprint) — khác nhau ở Package, ADC, CTMU, RTCC, I/O Pins.
PIC24F16KA301-I/SP
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24F16KA302-E/SP
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC24F16KA201-I/SP
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24F16KA202-I/SP
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24F16KA304-I/SP
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24F16KA302-I/SP Tỷ lệ tối đa & tính chất điện
| Product Type | 16-bit Flash microcontroller |
| CPU Architecture | 16-bit PIC24 modified Harvard architecture |
| Maximum Clock Speed | 32 MHz |
| Instruction Throughput | 16 MIPS |
| Program Memory | 16 KB Flash |
| Program Memory Organization | 5.5K x 24 words |
| Data RAM | 2 KB |
| EEPROM | 512 bytes |
| ADC Resolution | 12 bit |
| CTMU | Supported |
| I/O Ports | 17 I/O |
| Supply Voltage Range | 1.8 V to 3.6 V |
| Low-Power Technology | XLP |
| Deep Sleep Peripherals | DSBOR, DSWDT, RTCC |
| Khoảng nhiệt độ hoạt động | -40°C to +85°C |
| Hộp | 28-pin SPDIP, 0.300 inch lead pitch |
| Kiểu lắp đặt | Through-hole |
| Trạng thái RoHS | Lead-free plastic SPDIP |
| Program Memory Type | Flash |
Hướng dẫn cấu hình chân PIC24F16KA302-I/SP 28-pin spdip, 0.300 inch lead pitch
Cấu hình chân cho PIC24F16KA302-I/SP (28-pin spdip, 0.300 inch lead pitch gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho PIC24F16KA302-I/SP.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
PIC24F16KA302-I/SP phù hợp cho 6 Áp dụngs: Battery-Powered Sensor Node, Portable Environmental Monitor, Capacitive-Touch User Interface, Low-Power Industrial Control Panel, Energy-Harvesting Instrument, Compact Handheld Test Instrument.
Battery-Powered Sensor Node
The PIC24F16KA302-I/SP fits battery-powered sensor nodes because its 1.8 V to 3.6 V supply range supports low-energy operating points while the 16-bit core provides 16 MIPS at 32 MHz. Its 16 KB of Flash can hold acquisition routines, scaling logic, and a communication protocol, while 2 KB of RAM supports working buffers. Deep Sleep, DSWDT, and DSBOR allow the firmware to isolate peripheral loads between measurements. Use a regulator with a low quiescent current and verify the ADC reference requirement before the energy budget is finalized.
Được đề xuất
Portable Environmental Monitor
A portable environmental monitor can use the PIC24F16KA302-I/SP for periodic temperature, humidity, and battery-voltage acquisition. The 12-bit ADC provides 4096 counting levels, which improves resolution when conditioning low-amplitude sensor outputs, and CTMU supports capacitive sensing or auxiliary measurement functions. Its 512 bytes of EEPROM provides nonvolatile storage for calibration or threshold data. The 28-pin SPDIP package is also convenient for prototypes and educational instruments where breadboard or socket-based assembly is preferred.
Được đề xuất
Capacitive-Touch User Interface
The CTMU makes the PIC24F16KA302-I/SP suitable for compact capacitive-button and touch-pad interfaces. The controller can drive charge-transfer measurements, evaluate electrode capacitance, and apply filtering or debounce logic without requiring a separate touch controller. A 32 MHz clock gives adequate timing resolution for short measurement intervals, while Deep Sleep can reduce demand while the interface is idle. Validate electrode geometry, acquisition timing, and moisture tolerance against the mechanical enclosure before production.
Được đề xuất
Low-Power Industrial Control Panel
The PIC24F16KA302-I/SP can serve as the local controller in a low-power industrial panel that reads switches or sensors and drives indicators, alarms, or communication isolators. Its 17 I/O ports provide a practical mix of digital inputs and outputs for a compact control board, and the -40°C to +85°C grade supports industrial temperature conditions. The 12-bit ADC may monitor a feedback voltage or potentiometer, while 16 KB of Flash is sufficient for structured control and diagnostics. Use ESD protection and proper isolation at external connector boundaries.
Được đề xuất
Energy-Harvesting Instrument
The 1.8 V minimum operating voltage of the PIC24F16KA302-I/SP allows operation from low-energy harvested sources or a compact regulator with minimal headroom. XLP Deep Sleep functionality helps separate long idle periods from short measurement and processing cycles, and DSWDT provides a low-power watchdog option during extended operation. The 16-bit architecture and 16 MIPS throughput support more elaborate compensation than a simple 8-bit controller. Actual harvesting feasibility depends on the available source impedance, storage capacitor, and required measurement duty cycle.
Được đề xuất
Compact Handheld Test Instrument
The PIC24F16KA302-I/SP is suitable for compact handheld meters where a numeric display, keypad input, measurement channel, and serial data output must share a small board. The 32 MHz clock and 16 KB of Flash support menu handling, calibration tables, and measurement processing, while the 12-bit ADC serves as the central measurement converter. CTMU can provide additional capacitance or analog sensing functions. Through-hole SPDIP construction simplifies socketed prototypes and rework, although a production redesign may migrate the same device to a smaller surface-mount package.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24F16KA302-I/SP — 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 | PIC24F16KA301-I/SP | PIC24F16KA302-E/SP | PIC24F16KA201-I/SP | PIC24F16KA202-I/SP | PIC24F16KA304-I/SP |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-pin SPDIP | 28-pin SPDIP | 28-pin SPDIP | 28-pin SPDIP | 28-pin SPDIP | 28-pin SPDIP |
| CPU Architecture | 16-bit PIC24 | 16-bit PIC24 | 16-bit PIC24 | 16-bit PIC24 | 16-bit PIC24 | 16-bit PIC24 |
| Operating Temperature Range | -40°C to +85°C | -40°C to +85°C | Extended temperature grade | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C |
Bảo phân biệt quan trọng
- Full 16 KB memory configuration in a 28-pin through-hole package (vsPIC24F16KA301-I/SP)
- Industrial-temperature ordering option (vsPIC24F16KA302-E/SP)
- 12-bit conversion with CTMU in the same mixed-signal MCU (vsPIC16F76-I/SP)
- Low-voltage operation with dedicated Deep Sleep peripherals (vsPIC24F16KA201-I/SP)
Ghi chú thiết kế
Budget the low-power modes at the firmware level because the MCU, ADC, CTMU, timers, and I/O pins can each affect standby demand. Disable unused peripherals before entering Deep Sleep, retain the Watchdog Timer when appropriate, and configure port outputs to avoid leakage through external pull networks. Use the manufacturer power-management guidance to select the correct sleep mode for the required wake-up source and timing.
Place decoupling capacitors close to the device power pins and route analog inputs away from switching nodes and high-current traces. The 12-bit ADC can resolve small input changes, but its practical accuracy still depends on a clean reference, suitable source impedance, and grounding. For the 28-pin SPDIP implementation, reserve space for the socket or plated through-hole footprint and maintain accessibility for programming and inspection.
Do not select a lower-memory family member solely because its footprint matches. Confirm Flash capacity, RAM, EEPROM, ADC channels, CTMU functions, timer resources, interrupt priorities, and boot-configuration pins in the manufacturer family documentation. The -I/SP and -E/SP options also differ in temperature qualification, so a footprint match alone does not establish production equivalence.
Treat the 12-bit ADC input as a precision analog node. Use a short trace, a source impedance compatible with the ADC acquisition requirements, and an input filter sized for the measurement bandwidth. For CTMU measurements, keep electrode traces short and isolated from high-current switching paths. Validate capacitive channels across temperature, humidity, and the complete enclosure rather than relying on bench-top readings alone.
Thông tin tuân thủ
The -I/SP configuration is identified as a lead-free plastic SPDIP package. RoHS, REACH, halogen-free, and conflict-minerals declarations are not stated in the cited product records.
