PIC24FV16KA301-E/SO - 16KB Flash 16-bit MCU, 32MHz XLP | Microchip
MPN: PIC24FV16KA301-E/SO ✓ Hoạt độngPIC24FV16KA301-E/SO Tóm tắt
A 16-bit microcontroller is an embedded processor that uses a 16-bit data path and instruction word to balance code density, deterministic interrupt latency, and computational throughput for control-oriented tasks. PIC24F parts sit in Microchip's mid-range 16-bit portfolio above the 8-bit PIC16/PIC18 lines and below the dsPIC33/dsPIC35 DSP-capable parts. PIC24F is purpose-tuned for low-power and mixed-signal applications rather than DSP math, and the XLP sub-family adds nanoWatt technology with sub-uA deep-sleep current to compete with MSP430 and STM32L0 in battery-powered end equipment.
Key features of the PIC24FV16KA301-E/SO include a 12-bit ADC, CTMU (Charge Time Measurement Unit) for capacitive touch and mTouch sensing, 16 MIPS performance at 32MHz, deep-sleep-aware peripherals such as DSBOR (Deep-Sleep Brown-Out Reset), DSWDT (Deep-Sleep Watchdog Timer), and RTCC (Real-Time Clock Calendar), plus a Peripheral Pin Select (PPS) subsystem for flexible pin mapping. The device integrates a 16-bit timer, 3-wire SPI, I2C, UART, and a 5-channel hardware comparator, enabling direct connection of analog and digital sensors without external glue logic.
Architecturally, the PIC24FV16KA301 uses Microchip's modified Harvard RISC core with a 16-bit instruction word and 24-bit instruction address space, allowing linear code memory up to 16M instructions and supporting C-compiled firmware with the MPLAB XC16 toolchain. Hardware-level support is provided for low-power modes including Sleep, Deep Sleep, and Retention modes, with wake sources from RTCC, external interrupts, and DSWDT. PPS and the unified analog front-end mean the same silicon can be reused across product variants simply by changing firmware, which simplifies inventory for OEMs.
Typical applications include battery-powered IoT sensor nodes, e-metering and utility metering, capacitive touch user interfaces, medical handheld devices, low-power industrial sensors, and consumer appliances. The wide 1.8V to 5.5V VDD range lets the same part run from a single Li-ion cell, two AAs, or a regulated 3.3V rail, eliminating the need for separate hardware variants for different power domains.
When designing with this device, prioritize CTMU calibration on first power-up and size the decoupling network to at least 100nF + 10uF bulk per VDD/AVDD pair. A 32.768kHz crystal is recommended for RTCC accuracy; without it, deep-sleep RTC drift can exceed 5% and break long-interval timer applications.
This page consolidates distributor pricing, drop-in alternatives, and engineering design notes that supplement the manufacturer datasheet, supporting faster sourcing and design decisions for engineers evaluating PIC24F XLP devices.
Bộ thay thế dễ dàng lắp đặt cho PIC24FV16KA301-E/SO — 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 PIC24FV16KA301-E/SO (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Package, Program Memory (Flash), Maximum CPU Speed, Core.
PIC24FV16KA301-E/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FV16KA301-I/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FV32KA301-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FV08KM101-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ16MC101-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FV16KA301-E/SO Tỷ lệ tối đa & tính chất điện
| Core | PIC24F 16-bit RISC (modified Harvard) |
| Family | PIC24F XLP (eXtreme Low Power) - KA3xx sub-series |
| Program Memory (Flash) | 16 KB (5.5K x 24 instructions) |
| RAM Size | 2 KB (2K x 8) |
| EEPROM | 512 B |
| Maximum CPU Speed | 32 MHz / 16 MIPS |
| Supply Voltage (VDD) | 1.8 V to 5.5 V (FV variant; 5V operation) |
| Number of I/O Pins | 17 |
| ADC | 12-bit, 1 (or 2 in 20/28 pin variants) |
| Hộp / Vỏ | 20-SOIC (0.300 in / 7.62 mm wide body, SO) |
| Nhiệt độ hoạt động | -40 C to +125 C (E grade = Extended) |
| Kiểu lắp đặt | Surface Mount |
| Packaging | Tube |
| Oscillator Type | Internal with PLL; supports external crystal / clock |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24FV16KA301-E/SO
| Chân 1 | MCLR — Master Clear (reset) input, internal pull-up |
| Chân 2 | RA0 — Port A bit 0 / analog input / PPS I/O |
| Chân 3 | RA1 — Port A bit 1 / analog input / PPS I/O |
| Chân 4 | RB0 — Port B bit 0 / analog input / PPS I/O (PGED1) |
| Chân 5 | RB1 — Port B bit 1 / analog input / PPS I/O (PGEC1) |
| Chân 6 | RB2 — Port B bit 2 / analog input / PPS I/O |
| Chân 7 | RB3 — Port B bit 3 / analog input / PPS I/O |
| Chân 8 | VSS — Ground reference |
| Chân 9 | OSC1 — Crystal oscillator input / external clock |
| Chân 10 | OSC2 — Crystal oscillator output |
| Chân 11 | RB4 — Port B bit 4 / PPS I/O |
| Chân 12 | RB5 — Port B bit 5 / PPS I/O |
| Chân 13 | RB6 — Port B bit 6 / PPS I/O |
| Chân 14 | RB7 — Port B bit 7 / PPS I/O |
| Chân 15 | AVSS — Analog ground reference |
| Chân 16 | AVDD — Analog positive supply |
| Chân 17 | RA2 — Port A bit 2 / analog input / PPS I/O |
| Chân 18 | RA3 — Port A bit 3 / analog input / VREF+ reference |
| Chân 19 | RA4 — Port A bit 4 / analog input / PPS I/O |
| Chân 20 | VDD — Digital positive supply |
Ứng dụng tiêu biểu
PIC24FV16KA301-E/SO phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Node, Capacitive Touch User Interface, Industrial Sensor Transmitter, Smart Energy Meter / Utility Metering, Medical Handheld Device, Consumer Appliance Control.
Battery-Powered IoT Sensor Node
The PIC24FV16KA301-E/SO fits battery-powered IoT sensor nodes because its XLP technology delivers sub-uA deep-sleep current while still running the RTCC, DSWDT, and DSBOR peripherals autonomously. With 16 MIPS at 32MHz from a wide 1.8V-5.5V rail, the part can wake periodically, sample a sensor via its 12-bit ADC, transmit over UART, and return to deep-sleep. The CTMU also enables capacitive soil moisture or liquid-level sensing directly on-chip without external touch ICs, and the 2KB RAM is sufficient for sensor-fusion filters and short MQTT payloads in this scenario.
Được đề xuất
Capacitive Touch User Interface
The PIC24FV16KA301-E/SO is purpose-built for capacitive touch interfaces thanks to its integrated CTMU (Charge Time Measurement Unit), 12-bit ADC, and mTouch firmware library. Each CTMU channel sources a precise constant current into a touch pad, and discharge time is measured by the ADC to detect finger capacitance changes of a few picofarads. With 16 MIPS, the firmware can scan 12-16 buttons plus a slider in under 5ms, while deep-sleep modes keep idle touch standby current below 1uA for battery-powered remote controls and white goods.
Được đề xuất
Industrial Sensor Transmitter
The PIC24FV16KA301-E/SO is well-suited to industrial 4-20mA or wireless sensor transmitters that operate across -40 C to +125 C in factory environments. Its 12-bit ADC with internal voltage reference can directly digitize bridge sensors, RTDs, or 0-10V process signals. The wide 1.8V-5.5V VDD supports loop-powered designs running from a 24V loop with low-drop regulation, and the UART plus SPI peripherals allow easy integration of wireless modules such as Sub-GHz radios or BLE SoCs for Industry 4.0 sensor nodes.
Được đề xuất
Smart Energy Meter / Utility Metering
The PIC24FV16KA301-E/SO is an excellent choice for residential and commercial utility meters, where its CTMU enables capacitive tamper detection and its 12-bit ADC can sample current shunts or CTs for energy calculation. The RTCC with external 32.768kHz crystal provides time-of-use tariff switching, and the EEPROM allows non-volatile storage of calibration and consumption logs without external NVRAM. The -E extended temperature range supports outdoor meter installations, while deep-sleep operation between measurement intervals keeps total system current under 30uA.
Được đề xuất
Medical Handheld Device
The PIC24FV16KA301-E/SO fits portable medical handhelds such as glucose meters, pulse oximeters, and single-parameter patient monitors where low-power, deterministic operation, and reliable firmware updates are essential. The CTMU enables low-cost touch button user interfaces, the 12-bit ADC is adequate for optical photodiode readouts (paired with an analog front-end IC), and the wide 1.8V-5.5V VDD lets the same board run from a single CR2032 cell or a rechargeable Li-ion. The 16KB Flash accommodates BLE pairing stacks and FDA-traceable firmware signatures.
Được đề xuất
Consumer Appliance Control
The PIC24FV16KA301-E/SO is well-matched to consumer appliances such as coffee machines, air purifiers, robotic vacuums, and small kitchen equipment. Its 12-bit ADC drives temperature and humidity feedback loops, the PWM + timer peripherals drive brushless DC fans and pumps, and the CTMU handles glass-surface capacitive touch keypads. The wide VDD range simplifies universal-input AC/DC designs with single-rail regulation. Deep-sleep modes drop standby power below 100uA for modern energy-star standby budgets, helping products pass IEC 62301 and EU EcoDesign requirements.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FV16KA301-E/SO — 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 | PIC24FV16KA301-E/P | PIC24FV16KA301-I/SO | PIC24FV32KA301-I/SO | PIC24FV08KM101-I/SO | PIC24FJ16MC101-I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SOIC (0.300 in) | 20-PDIP (0.300 in) - different package | 20-SOIC (0.300 in) - same | 20-SOIC (0.300 in) - same | 20-SOIC (0.300 in) - same | 20-SOIC (0.300 in) - same |
| Program Memory (Flash) | 16 KB | 16 KB | 16 KB | 32 KB | 8 KB | 16 KB |
| RAM Size | 2 KB | 2 KB | 2 KB | 2 KB | 1 KB | 2 KB |
| Supply Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 3.0 V to 3.6 V |
| Operating Temperature | -40 C to +125 C (E grade) | -40 C to +125 C | -40 C to +85 C (I grade) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Bảo phân biệt quan trọng
- Wide 1.8V to 5.5V VDD with extended -40 to +125 C temperature range (vsPIC24F16KA301-I/SO (F variant, 3.0V-3.6V only, -40 to +85 C))
- Integrated CTMU for capacitive touch with 12-bit ADC measurement (vsPIC24FJ16MC101-I/SO (MC variant optimized for motor control, no CTMU))
- XLP nanoWatt deep-sleep current under 1uA with RTCC and DSWDT active (vsPIC24FV08KM101-I/SO (8KB Flash variant, similar XLP family))
Ghi chú thiết kế
Decouple VDD with a 100nF ceramic capacitor placed within 5mm of the VDD pin, and add a 10uF bulk capacitor on AVDD to support ADC reference stability. For battery applications, the PIC24FV16KA301-E/SO can drop to sub-uA deep-sleep current, but only if all unused I/Os are configured as outputs driving low or inputs with internal pull-ups disabled. Estimated: idle board current with MCU in deep-sleep at 3.3V is approximately 20-30uA including LDO quiescent.
At 32 MHz / 16 MIPS active, the PIC24FV16KA301-E/SO consumes approximately 15 mA from VDD in active mode, well within the SOIC-20 package's 1W thermal dissipation envelope (estimated: 25 C/W junction-to-ambient on a 1oz copper JEDEC test board). The wide -40 to +125 C operating range means no thermal shutdown is required for typical embedded applications. Place the device away from high-current traces to avoid local PCB heating.
Route the MCLR pin with a 10k pull-up to VDD and a 100nF cap to ground for clean reset; do not leave MCLR floating. Keep analog traces (sensor inputs to ADC) short and guarded by a ground pour to minimize digital crosstalk. Place the 32.768kHz RTCC crystal within 5mm of OSC1/OSC2 with short, symmetric traces and a ground guard ring; this layout is critical for <50ppm RTC accuracy.
Do not confuse the FV (wide-voltage 1.8V-5.5V) variant with the F (3.0V-3.6V only) variant when sourcing; operation below 3.0V on the F part is undefined. The CTMU requires firmware calibration against a known reference capacitor on first power-up - skipped calibration can cause touch thresholds to drift by up to 30%. PPS pin assignments must be unlocked by writing the IOLOCK sequence before alternate peripheral functions become active.
Thông tin tuân thủ
RoHS and lead-free per Microchip product page. The PIC24F KA3xx family is widely used in non-safety automotive subsystems but does not carry individual AEC-Q100 part-level certification evidence on the standard -E (Extended) grade; consult Microchip automotive listings for AEC-Q100 qualified alternatives.
