PIC24FV32KA304T-I/ML - 32KB Flash 16-bit XLP MCU | Microchip
MPN: PIC24FV32KA304T-I/ML ✓ Hoạt độngPIC24FV32KA304T-I/ML Tóm tắt
A 16-bit microcontroller is a class of MCU that uses a 16-bit data path, 16-bit registers, and a 16-bit ALU, sitting between 8-bit microcontrollers and 32-bit microcontrollers in capability and complexity. Compared to 8-bit MCUs, a 16-bit part like the PIC24F offers higher MIPS throughput, larger linear address space, and richer peripherals (12-bit ADC, multiple UARTs, I2C/SPI, CTMU) while retaining code density advantages over 32-bit Cortex-M devices. Within the taxonomy: PIC24FV32KA304 -> PIC24F family -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor.
Key features of this part include a 12-bit A/D converter with up to 16 input channels, a Charge Time Measurement Unit (CTMU) for capacitive touch sensing, multiple 16-bit timers, two UART modules, two SPI modules, and two I2C modules. It also features 35 I/O pins, five 16-bit timer/counters, and a Real-Time Clock Calendar (RTCC) that keeps running in deep sleep. The 44-QFN (8x8) package includes an exposed pad for thermal dissipation and ground return, essential at 32 MIPS throughput.
Architecturally, the device uses a Harvard architecture with separate program and data paths, a hardware MULT (16x16 -> 32-bit) for DSP-like operations, and a wide range of clock sources including a Fast RC oscillator with PLL (32 MHz), a Low-Power Internal RC (31 kHz), and an external oscillator input. Deep Sleep current is rated in the nA range, making it competitive for battery-powered sensor and IoT edge nodes.
Typical applications include industrial sensor interfaces, low-power IoT edge nodes, capacitive touch user interfaces using the on-chip CTMU, battery-powered instrumentation, USB device peripherals (with external transceiver), and small graphical user interfaces driving segment or OLED displays. The wide 2.0V-5.5V supply tolerance suits 3.3V and 5V mixed-rail designs.
When designing with this part, plan the input clock strategy first — selecting between the internal FRC and an external crystal trades accuracy for BOM cost. The CTMU peripheral requires careful PCB layout with low-leakage traces for capacitive buttons to perform reliably. Use the Microchip MPLAB X IDE with the XC16 compiler for development; the device is supported by the free XC16 toolchain with optimization levels.
This page synthesizes verified distributor pricing, drop-in alternatives, and practical design notes not consolidated on any single manufacturer or distributor page, providing a faster path to part selection and BOM validation for new designs.
Bộ thay thế dễ dàng lắp đặt cho PIC24FV32KA304T-I/ML — 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 PIC24FV32KA304T-I/ML (cùng hình factor và footprint) — khác nhau ở Core Architecture, Timers, Operating Temperature, Package, Maximum CPU Speed.
PIC24FV32KA304-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FV32KA302T-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24F32KA304-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FV16KA304-E/ML
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FV16KM204-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ64GB204T-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FV32KA304T-I/ML Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC24F 16-bit RISC |
| Family | PIC24FV32KA304 (XLP — eXtreme Low Power) |
| Program Memory (Flash) | 32 KB (11K x 24) |
| Data SRAM | 2 KB |
| Data EEPROM | 512 B |
| Maximum CPU Speed | 32 MIPS (32 MHz) |
| Supply Voltage (Vdd) | 2.0 V to 5.5 V |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial, 'I') |
| I/O Pins | 35 (on 44-QFN package) |
| ADC | 12-bit, up to 16 channels |
| Timers | 5 x 16-bit timer/counter |
| UART | 2 modules |
| SPI | 2 modules |
| I2C | 2 modules |
| CTMU | Yes (Charge Time Measurement Unit) |
| RTCC in Deep Sleep | Yes |
| Hộp | 44-pin QFN (8x8x0.9 mm) with EP |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| AEC-Q100 | Not qualified (industrial grade) |
Cấu hình chân PIC24FV32KA304T-I/ML
| Chân 1 | RP5/RB5 — Remappable I/O / Port B bit 5 |
| Chân 2 | RP6/RB6 — Remappable I/O / Port B bit 6 |
| Chân 3 | RP7/RB7 — Remappable I/O / Port B bit 7 |
| Chân 4 | RP8/RB8 — Remappable I/O / Port B bit 8 |
| Chân 5 | RP9/RB9 — Remappable I/O / Port B bit 9 |
| Chân 6 | VSS — Ground reference |
| Chân 7 | VDD — Positive supply (2.0V-5.5V) |
| Chân 8 | RA0 — Port A bit 0 / analog input |
| Chân 9 | RA1 — Port A bit 1 / analog input |
| Chân 10 | RA2 — Port A bit 2 / analog input |
| Chân 11 | RA3 — Port A bit 3 / analog input |
| Chân 12 | RA4 — Port A bit 4 / analog input |
| Chân 13 | RA5 — Port A bit 5 / analog input |
| Chân 14 | RA6 — Port A bit 6 / oscillator input |
| Chân 15 | RA7 — Port A bit 7 / oscillator input |
| Chân 16 | VSS — Ground reference |
| Chân 17 | VDD — Positive supply (2.0V-5.5V) |
| Chân 18 | RP0/RB0 — Remappable I/O / Port B bit 0 |
| Chân 19 | RP1/RB1 — Remappable I/O / Port B bit 1 |
| Chân 20 | RP2/RB2 — Remappable I/O / Port B bit 2 |
| Chân 21 | RP3/RB3 — Remappable I/O / Port B bit 3 |
| Chân 22 | RP4/RB4 — Remappable I/O / Port B bit 4 |
| Chân 23 | RP10/RB10 — Remappable I/O / Port B bit 10 |
| Chân 24 | RP11/RB11 — Remappable I/O / Port B bit 11 |
| Chân 25 | RP12/RB12 — Remappable I/O / Port B bit 12 |
| Chân 26 | RP13/RB13 — Remappable I/O / Port B bit 13 |
| Chân 27 | RP14/RB14 — Remappable I/O / Port B bit 14 |
| Chân 28 | RP15/RB15 — Remappable I/O / Port B bit 15 |
| Chân 29 | VSS — Ground reference |
| Chân 30 | VDD — Positive supply (2.0V-5.5V) |
| Chân 31 | RC0 — Port C bit 0 |
| Chân 32 | RC1 — Port C bit 1 |
| Chân 33 | RC2 — Port C bit 2 |
| Chân 34 | RC3 — Port C bit 3 |
| Chân 35 | RC4 — Port C bit 4 |
| Chân 36 | RC5 — Port C bit 5 |
| Chân 37 | RC6 — Port C bit 6 |
| Chân 38 | RC7 — Port C bit 7 |
| Chân 39 | RC8 — Port C bit 8 |
| Chân 40 | RC9 — Port C bit 9 |
| Chân 41 | SOSCI/RP16/RB16 — Secondary oscillator input / remappable I/O |
| Chân 42 | SOSCO/RP17/RB17 — Secondary oscillator output / remappable I/O |
| Chân 43 | VSS — Ground reference |
| Chân 44 | VDD — Positive supply (2.0V-5.5V) |
Ứng dụng tiêu biểu
PIC24FV32KA304T-I/ML phù hợp cho 6 Áp dụngs: Industrial Sensor Interface MCU, Battery-Powered IoT Edge Node, Capacitive Touch User Interface, 5V Mixed-Signal Embedded Control, USB Device Peripherals with External Transceiver, Segment / OLED Display Controller.
Industrial Sensor Interface MCU
The PIC24FV32KA304T-I/ML's 12-bit ADC with up to 16 input channels, 2 KB SRAM buffer, and 2.0V-5.5V supply tolerance make it a strong fit for industrial 4-20 mA loop, RTD, and bridge-sensor interfaces. Its 32 MIPS throughput handles linearization and calibration math on-chip, eliminating external DSP. The wide 5V tolerance allows direct connection to legacy 5V analog front-ends without level shifters, while the 35 I/O pins drive relays, optos, and HMI segment displays in the same design.
Được đề xuất
Battery-Powered IoT Edge Node
The XLP (eXtreme Low Power) deep-sleep current in the nA range and on-chip RTCC that runs in deep sleep make the PIC24FV32KA304T-I/ML ideal for battery-powered IoT sensor nodes that wake periodically to read sensors and transmit. The CTMU peripheral supports capacitive water-level or proximity sensing without extra ICs, while the 2 KB SRAM is sufficient for buffering BLE/Wi-Fi payloads before forwarding to an external radio module. Years of battery life are achievable from a single CR2032 coin cell at duty cycles below 1%.
Được đề xuất
Capacitive Touch User Interface
The on-chip CTMU (Charge Time Measurement Unit) provides 16 channels of hardware-assisted capacitive touch sensing without an external touch controller IC, reducing BOM cost in HMI panels and appliance controls. The PIC24FV32KA304T-I/ML pairs the CTMU with 32 KB of Flash for touch algorithms, water-rejection firmware, and gesture detection. The 2.0V-5.5V supply range supports direct drive of 5V LED backlights and piezo buzzers on the same board.
Được đề xuất
5V Mixed-Signal Embedded Control
The PIC24FV32KA304T-I/ML is one of the few 16-bit MCUs that natively operates at 5V (2.0V-5.5V), making it drop-in compatible with older 5V industrial logic, character LCDs, and motor-driver ICs. Its 32 MIPS performance handles PID control loops for fans, pumps, and small BLDC motors. Five 16-bit timers provide PWM generation, capture, and quadrature encoding in a single part, eliminating external timer ICs and shrinking the BOM in motor-control sub-systems.
Được đề xuất
USB Device Peripherals with External Transceiver
While the PIC24FV32KA304T-I/ML lacks on-chip USB, its 32 MIPS throughput and 32 KB Flash comfortably support USB device stacks through an external MCP2200 or FT232 bridge. The 2 UART modules enable simultaneous USB-bridge communication and a debug UART for field service. This combination is widely used in test fixtures, programming adapters, and instrument data loggers where a 5V-tolerant MCU simplifies power-supply design versus 3.3V-only alternatives.
Được đề xuất
Segment / OLED Display Controller
The 35 I/O pins and 32 KB Flash of the PIC24FV32KA304T-I/ML drive large segment LCDs or small OLED displays (SSD1306, etc.) via SPI/I2C without an external graphics controller. Five 16-bit timers deliver PWM dimming for LED backlights, while the CTMU provides capacitive front-panel buttons on the same PCB. The wide Vdd range allows direct drive of common 5V character LCDs, eliminating level-shifters and simplifying the BOM in appliance and instrument display modules.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FV32KA304T-I/ML — 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 | PIC24FV32KA304-I/ML | PIC24FV32KA302T-I/ML | PIC24F32KA304-I/ML | PIC24FV16KM204-I/ML | PIC24FJ64GB204T-I/ML |
|---|---|---|---|---|---|---|
| Package | 44-QFN (8x8 mm) with EP | 44-QFN (8x8 mm) with EP - same | 44-QFN (8x8 mm) with EP - same | 44-QFN (8x8 mm) with EP - same | 44-QFN (8x8 mm) with EP - same | 44-QFN (8x8 mm) with EP - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Flash Memory | 32 KB | 32 KB | 16 KB | 32 KB | 16 KB | 64 KB |
| SRAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 8 KB |
| Maximum MIPS | 32 MIPS | 32 MIPS | 32 MIPS | 32 MIPS | 32 MIPS | 32 MIPS |
| Supply Voltage Range | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 1.8 V to 3.6 V | 2.0 V to 5.5 V | 2.0 V to 3.6 V |
| CTMU (Touch) | Yes | Yes | Yes | Yes | Yes | No |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| 1k-piece Price (USD) | $2.07 | ~$2.07 | ~$1.95 | ~$2.10 | ~$2.15 | ~$3.10 |
Bảo phân biệt quan trọng
- 5V-tolerant wide supply range (2.0V-5.5V) (vsPIC24F32KA304-I/ML)
- On-chip CTMU for hardware-assisted capacitive touch (vsPIC24FJ64GB204T-I/ML)
- Industry-leading XLP deep-sleep current in nA range (vsPIC24FV32KA302T-I/ML)
Ghi chú thiết kế
Estimated: at 32 MHz / 5V and full peripheral activity, the PIC24FV32KA304T-I/ML draws approximately 8-10 mA active current. For battery-powered designs, leverage Deep Sleep mode (typical 20-100 nA with RTCC enabled) and use the on-chip DSBOR (Deep Sleep Brown-Out Reset) to retain state across long sleep intervals. Decouple each Vdd pin with a 100 nF ceramic capacitor placed within 3 mm of the pin, and add a bulk 1-10 uF tantalum or ceramic on the supply rail. The exposed pad (EP) of the QFN-44 must be soldered to a continuous ground plane for both electrical ground return and thermal dissipation.
Place the external crystal (if used) and its load capacitors within 5 mm of the OSC1/OSC2 pins to minimize parasitic capacitance and EMI. Keep high-speed digital traces (SPI clocks, PWM outputs) away from analog input traces (ADC ANx pins) and add a ground guard ring around sensitive analog traces. For CTMU capacitive touch, route touch electrodes as short, narrow traces with a ground flood around each electrode; do not run Vdd traces under touch pads as capacitive loading will desensitize the touch measurement. Per Microchip AN1250 (CTMU layout guidelines), maintain at least 5 mm spacing between adjacent touch pads and 2 mm between touch pads and ground plane edges.
Do not exceed 5.5 V on any Vdd pin of the 'FV' variant — although the part is 5V-tolerant, transients above 6 V will damage the internal voltage regulator. Configure unused I/O pins as outputs (not inputs) to minimize supply current in sleep modes; floating inputs can draw several microamperes each due to CMOS input structure. When migrating code from PIC24F32KA304 (1.8V-3.6V) to PIC24FV32KA304 (2.0V-5.5V), recheck the datasheet's voltage-frequency derating curves because maximum FCY at 2.0V operation is lower than at 5V. Finally, always issue a CLRWDT instruction early in long interrupt handlers to prevent inadvertent WDT resets in motor-control or communication-heavy code paths.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Industrial temperature grade (-40C to +85C) only - choose PIC24FV32KA304-E/ML extended-temperature variant for -40C to +125C automotive/industrial requirements. Lead-free and halogen-free packaging confirmed by Microchip material declarations.
