PIC24F32KA301-E/P - 16-bit XLP MCU, 32KB Flash, 20-PDIP | Microchip
부품 번호: PIC24F32KA301-E/P ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $4.32 | $4.32 |
| 10 | $3.89 | $38.90 |
| 100 | $3.46 | $346.00 |
| 500 | $3.12 | $1,560.00 |
| 1,000 | $2.78 | $2,780.00 |
PIC24F32KA301-E/P 개요
A 16-bit microcontroller (MCU) is a single-chip computer that processes data and instructions in 16-bit chunks, sitting in the hierarchy between 8-bit MCUs (e.g., PIC16, AVR) and 32-bit MCUs (e.g., PIC32, ARM Cortex-M). The PIC24F family occupies the low-power mid-performance tier, optimized for battery-powered and energy-harvesting applications where sleep-mode current dominates total energy budget. XLP devices integrate dedicated low-power peripherals such as the Real-Time Clock and Calendar (RTCC), Deep Sleep BOR (DSBOR), and Deep Sleep WDT (DSWDT) that remain functional while the CPU core is halted.
The PIC24F32KA301 features a 12-bit ADC with up to 13 input channels, a Charge Time Measurement Unit (CTMU) for capacitive touch and time-of-flight sensing, multiple PWM/OC/Timer modules, and serial interfaces including I2C, SPI, and UART. Its integrated nanoWatt XLP technology targets sleep currents in the deep-sleep range that allow years of operation from a single coin cell.
Typical applications include battery-powered sensor nodes, portable medical and fitness devices, e-metering, remote controls, capacitive touch user interfaces, and industrial control nodes. The 20-PDIP package is particularly valued in prototyping, education, and legacy designs where through-hole assembly is preferred for ease of rework.
When designing with this MCU, verify Vdd decoupling with a 0.1uF ceramic capacitor adjacent to each power pin and consider the RTCC backup battery requirements if timekeeping through power loss is required. The CTMU requires careful PCB layout and software calibration for stable capacitive touch performance.
The combination of XLP sleep performance, integrated EEPROM, and rich peripherals in a DIP package makes the PIC24F32KA301-E/P a popular choice for low-power embedded designs requiring easy through-hole prototyping. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
드롭인 대체품: PIC24F32KA301-E/P — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC24F32KA301-E/P (동일 폼 팩터 및 풋프린트) — 차이점: Package, ADC, Core Architecture, Low-Power Technology, Operating Temperature.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC24F32KA301-I/P
✅ 드롭인✓ 재고 있음
$2.72 / 개
데이터시트 보기 →PIC24F32KA301-I/SO
✅ 드롭인✓ 재고 있음
$2.18 / 개
데이터시트 보기 →PIC24F32KA301-E/SS
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC24FV32KA301-E/P
✅ 드롭인✓ 재고 있음
$2.98 / 개
데이터시트 보기 →PIC24F16KA301-I/P
✅ 드롭인✓ 재고 있음
$2.05 / 개
데이터시트 보기 →PIC24F08KA101-E/P
✅ 드롭인✓ 재고 있음
$1.74 / 개
데이터시트 보기 →PIC24F32KA301-E/P 최대 정격 & 전기적 특성
| Core Architecture | PIC24F 16-bit RISC |
| Program Memory (Flash) | 32 KB (11K x 24 words) |
| Data SRAM | 2 KB |
| Data EEPROM | 512 B |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Supply Voltage (Vdd) | 1.8 V to 3.6 V |
| 동작 온도 | -40 C to +125 C (E grade) |
| ADC | 12-bit, up to 13 channels |
| CTMU | Yes (Charge Time Measurement Unit) |
| 패키지 | 20-PDIP (0.300 in / 7.62 mm) |
| 실장 유형 | Through-Hole |
| 핀 수 | 20 |
| Low-Power Technology | XLP (nanoWatt) |
| Deep Sleep Peripherals | DSBOR, DSWDT, RTCC |
| Communication Interfaces | I2C, SPI, UART |
| RoHS 상태 | Compliant |
PIC24F32KA301-E/P 핀 구성
| 핀 1 | RA0 — Digital I/O / analog input AN0 / CTMU input |
| 핀 2 | RA1 — Digital I/O / analog input AN1 / CTMU input |
| 핀 3 | RA2 — Digital I/O / analog input AN2 / VREF- |
| 핀 4 | RA3 — Digital I/O / analog input AN3 / VREF+ |
| 핀 5 | RA4 — Digital I/O / analog input AN4 |
| 핀 6 | RA5 — Digital I/O / analog input AN5 |
| 핀 7 | RA6 — Digital I/O / oscillator output |
| 핀 8 | RA7 — Digital I/O / oscillator input |
| 핀 9 | VSS — Ground reference |
| 핀 10 | RA8 — Digital I/O only |
| 핀 11 | RA9 — Digital I/O only |
| 핀 12 | RA10 — Digital I/O only |
| 핀 13 | RA11 — Digital I/O only |
| 핀 14 | RA12 — Digital I/O only |
| 핀 15 | RA13 — Digital I/O only |
| 핀 16 | RA14 — Digital I/O only |
| 핀 17 | RA15 — Digital I/O only |
| 핀 18 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| 핀 19 | ENVREG — Voltage regulator enable / decoupling |
| 핀 20 | VSS — Ground reference |
일반적인 애플리케이션
PIC24F32KA301-E/P 적합 용도: 6 애플리케이션s: Battery-Powered Wireless Sensor Nodes, Capacitive Touch User Interfaces, Portable Medical and Fitness Devices, Industrial Control Nodes, Electronic Metering and Smart Energy, Consumer Remote Controls and HMI.
Battery-Powered Wireless Sensor Nodes
The PIC24F32KA301-E/P is purpose-built for battery-powered wireless sensor nodes where sleep current dominates the energy budget. Its XLP nanoWatt technology delivers deep-sleep currents in the nanoamp range, while the RTCC, DSBOR, and DSWDT peripherals continue operating with the CPU core halted. With 32 KB Flash, 2 KB SRAM, and a 12-bit ADC on-chip, the MCU can wake periodically, digitize sensor readings, transmit via an external radio, and return to deep sleep - typically achieving years of operation from a single CR2032 coin cell. The 20-PDIP package suits through-hole prototyping of sensor PCBs.
추천
Capacitive Touch User Interfaces
The integrated Charge Time Measurement Unit (CTMU) makes the PIC24F32KA301-E/P a strong fit for capacitive touch user interfaces including buttons, sliders, and proximity sensors. Combined with the 12-bit ADC (up to 13 channels) and Microchip's mTouch software library, designers can implement reliable touch sensing without external touch ICs, reducing BOM cost. The 32 KB Flash is sufficient for advanced touch firmware including gesture recognition and noise-immunity algorithms. The -40C to +125C extended temperature grade supports outdoor and appliance front-panel applications.
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Portable Medical and Fitness Devices
For portable medical and fitness devices such as pulse oximeters, glucose meters, and activity trackers, the PIC24F32KA301-E/P offers the right balance of 16-bit processing headroom and ultra-low sleep current. The 16 MIPS performance supports real-time biosignal processing algorithms, while the deep-sleep current preserves battery life between measurements. The 12-bit ADC captures analog biosensor outputs with adequate resolution for heart-rate, SpO2, and temperature sensing, and the integrated EEPROM provides 512 bytes of non-volatile calibration storage for device-specific compensation data.
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Industrial Control Nodes
Industrial control nodes including PLC I/O modules, motor-control auxiliary logic, and HVAC controllers benefit from the PIC24F32KA301-E/P's -40C to +125C extended temperature range and 16-bit deterministic performance. The integrated UART, SPI, and I2C interfaces connect to sensors, actuators, and industrial buses (RS-485, Modbus) via external transceivers. The 32 KB Flash accommodates Modbus, CANopen, or proprietary protocol stacks plus application logic. Hardware peripherals such as the RTCC enable accurate timestamping of process events for SCADA integration and event logging.
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Electronic Metering and Smart Energy
Smart electricity, gas, and water meters leverage the PIC24F32KA301-E/P's XLP technology to operate for years from a primary battery. The 12-bit ADC digitizes sensor inputs (current transformer, optical pulse, hall-effect flow) with adequate resolution for energy metering, and the RTCC supports time-of-use tariff scheduling and demand logging. EEPROM stores calibration coefficients and consumption logs through power-loss events. The extended temperature grade suits outdoor meter enclosures, and the CTMU enables tamper-detection inputs using capacitive proximity sensing.
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Consumer Remote Controls and HMI
Infrared and RF remote controls, smart-home keypads, and small human-machine interface (HMI) panels are natural fits for the PIC24F32KA301-E/P. The CTMU supports backlit capacitive touch keys without additional components, while UART/SPI interfaces drive small OLED displays and connect to RF transceivers (sub-GHz or Bluetooth Low Energy modules). Deep-sleep current below 1 uA keeps coin-cell remotes operational for years. The 20-PDIP package is preferred by hobbyists and educators building custom remote-control prototypes with through-hole assembly.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC24F32KA301-E/P — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC24F32KA301-I/P | PIC24FV32KA301-E/P | PIC24F16KA301-I/P | PIC24F08KA101-E/P |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-PDIP | 20-PDIP (same) | 20-PDIP (same) | 20-PDIP (same) | 20-PDIP (same) |
| Program Memory (Flash) | 32 KB | 32 KB | 32 KB | 16 KB | 8 KB |
| Data SRAM | 2 KB | 2 KB | 2 KB | 2 KB | 1 KB |
| EEPROM | 512 B | 512 B | 512 B | 512 B | 512 B |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Supply 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 |
| Operating Temperature | -40 C to +125 C | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C | -40 C to +125 C |
| CTMU (Touch/Time) | Yes | Yes | Yes | Yes | No |
| Lifecycle Status | Active | Active | Active | Active | Active |
주요 차별점
- Highest Flash memory (32KB) in the KA301 DIP family (vs PIC24F16KA301-I/P)
- Extended -40 C to +125 C temperature grade for harsh environments (vs PIC24F32KA301-I/P)
- Pin-compatible 5V-tolerance upgrade available (vs PIC24FV32KA301-E/P)
설계 노트
Decouple each VDD/VSS pair with a 0.1 uF X7R ceramic capacitor placed within 3 mm of the MCU pins to suppress switching noise on the supply rail. For battery applications with deep-sleep currents in the nanoamp range, use a low-Iq LDO such as the MCP1700 to avoid loading the battery. The internal voltage regulator requires its own decoupling on the ENVREG pin (20-pin variants). Enabling the on-chip BOR and DSBOR with appropriate trip-voltage settings protects against brown-out-induced Flash corruption.
For CTMU-based capacitive touch designs, route touch traces as short as possible, guard them with a ground ring, and keep them away from switching signals and high-impedance analog inputs. Use a solid ground plane under the touch area for stable reference capacitance. The ICSP programming pins (PGECx/PGEDx) must be accessible on the PCB - reserve a 6-pin header footprint even on space-constrained designs to enable in-circuit programming and debugging. Avoid long parallel traces to clock signals to minimize crosstalk on the ADC inputs.
Do not exceed the absolute maximum VDD rating of 3.6 V (F variant) or 5.5 V (FV variant) - voltage transients above this permanently damage the device. Always check the Configuration bits in the project settings: enable the watchdog timer, set the correct oscillator mode (internal 8 MHz or external crystal), and select the BOR voltage range appropriate for your supply. The RTCC requires a 32.768 kHz crystal or external clock source on SOSCO/SOSCI for timekeeping accuracy - verify the crystal load capacitor values against the crystal datasheet before committing the BOM.
At maximum clock speed (32 MHz) the PIC24F32KA301-E/P typically dissipates under 30 mW, so thermal management is rarely a concern in 20-PDIP designs. However, in sealed enclosures with no airflow, confirm the junction temperature rise using the package thermal resistance (theta_JA approximately 70 C/W for PDIP-20). At -40 C to +125 C ambient, verify that self-heating does not push Tj above 150 C. In battery-powered designs the deep-sleep current dominates heating and is generally negligible.
규정 준수 정보
RoHS and REACH compliance per Microchip product page. Not AEC-Q100 qualified - this part is industrial-grade; for automotive designs choose AEC-Q100-qualified PIC24 variants. Lead-free and halogen-free per Microchip environmental certification.
