PIC24FJ256DA106-I/MR - 256KB Flash 16-Bit MCU with Graphics & USB | Microchip
MPN: PIC24FJ256DA106-I/MR ✓ Hoạt độngPIC24FJ256DA106-I/MR Tóm tắt
A 16-bit microcontroller (MCU) is a single-chip computer that uses a 16-bit-wide data path, registers, and ALU, offering a balance between 8-bit simplicity and 32-bit performance. Within Microchip's taxonomy, the PIC24F sits above 8-bit PIC10/12/16 devices and below 32-bit PIC32 devices; it is a low-power, Flash-based family with strong peripheral integration. The PIC24FJ256DA106 belongs to the PIC24F-DA subfamily, which adds graphics-specific hardware for driving TFT LCDs up to 4.3" WQVGA (480 x 272) without an external graphics controller, and to the Power Management IC, peripherals and broader ecosystem.
Key features: integrated Graphics Controller with hardware acceleration and up to 480x272 WQVGA drive, integrated 3.3V LDO regulator, USB 2.0 full-speed OTG with on-chip transceiver, Charge Time Measurement Unit (CTMU) supporting up to 64 touch buttons, Parallel Master Port (PMP), Real-Time Clock and Calendar (RTCC), and 8-channel hardware DMA. The device operates from 2.0 V to 3.6 V with industrial -40C to +85C temperature range.
The PIC24FJ256DA106's architecture combines a 16-bit modified Harvard RISC core with a 24-bit instruction word, achieving deterministic interrupt latency. The Graphics Controller features a dedicated DMA-driven rendering pipeline and configurable display timing, eliminating the need for external display controllers and BOM cost. The integrated Charge Time Measurement Unit (CTMU) provides capacitive touch sensing, while the Parallel Master Port enables direct connection to external memory or graphics peripherals.
Typical applications include 4.3-inch WQVGA TFT LCD display modules with touch, USB-enabled embedded human-machine interfaces (HMIs), industrial control panels with graphical readout, point-of-sale (POS) terminals, medical instrumentation displays, and consumer appliance user interfaces. The device suits any product that benefits from integrated graphics acceleration, USB connectivity, and Microchip's extensive development ecosystem including MPLAB X IDE, MPLAB Harmony framework, and Explorer 16/32 development board support.
When designing with this MCU, allocate the VQFN-9x9 exposed pad (EP) to a continuous ground plane with multiple thermal vias to the inner ground layer for optimal thermal and electrical performance. The USB transceiver requires a precise 48 MHz clock that can be derived from the PLL with a low-jitter crystal reference; engineers should use an external ESD protection array on the USB DP/DM lines and a 2.5 kohm pull-up on D+ for full-speed signaling. Avoid routing high-speed traces near the analog AVdd rail.
This page synthesizes Microchip PIC24FJ256DA106-I/MR distributor pricing, 256 KB flash memory code density, and 16 MIPS throughput at 3.3 V ratings with drop-in VQFN-64 (9x9) alternatives and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ256DA106-I/MR — 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 PIC24FJ256DA106-I/MR (cùng hình factor và footprint) — khác nhau ở Package, ADC, Core Architecture, Graphics Controller, USB.
PIC24FJ128DA106-I/MR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256DA106-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256DA106T-I/MR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ128GB606-I/MR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256GA106-I/MR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ256DA106-I/MR Tỷ lệ tối đa & tính chất điện
| Core | PIC24F (16-bit modified Harvard RISC) |
| Architecture | 16-bit data, 24-bit instruction |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 256 KB (85.5K x 24) |
| Data RAM | 24 KB |
| Operating Voltage | 2.0 V to 3.6 V |
| Number of I/O Pins | 52 (some sources state 23 remappable) |
| ADC | 10-bit, up to 16 channels, 1.1 Msps |
| USB | USB 2.0 Full-Speed OTG with on-chip transceiver |
| Graphics Controller | Integrated, drives TFT up to 4.3" WQVGA (480x272) |
| Touch Sensing | CTMU - up to 64 buttons |
| Communication Interfaces | 2x UART, 2x SPI, 2x I2C, PMP, USB |
| DMA Channels | 8-channel hardware DMA |
| RTCC | Yes (Real-Time Clock and Calendar) |
| Hộp | 64-VQFN (9x9 mm) with exposed pad |
| Nhiệt độ hoạt động | -40C to +85C (Industrial, I suffix) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24FJ256DA106-I/MR
| Chân 1 | RA0 — GPIO/analog input |
| Chân 2 | RA1 — GPIO/analog input |
| Chân 3 | RA2 — GPIO/analog input |
| Chân 4 | RA3 — GPIO/analog input |
| Chân 5 | RA4 — GPIO |
| Chân 6 | RA5 — GPIO |
| Chân 7 | RA6 — GPIO/OSC1 |
| Chân 8 | RA7 — GPIO/OSC2 |
| Chân 9 | VSS — Ground |
| Chân 10 | VDD — Digital supply (2.0-3.6V) |
| Chân 11 | RB0 — GPIO/PPS |
| Chân 12 | RB1 — GPIO/PPS |
| Chân 13 | RB2 — GPIO/PPS |
| Chân 14 | RB3 — GPIO/PPS |
| Chân 15 | RB4 — GPIO/PPS |
| Chân 16 | RB5 — GPIO/PPS |
| Chân 17 | RB6 — GPIO/PPS |
| Chân 18 | RB7 — GPIO/PPS |
| Chân 19 | RB8 — GPIO/PPS |
| Chân 20 | RB9 — GPIO/PPS |
| Chân 21 | RB10 — GPIO/PPS |
| Chân 22 | RB11 — GPIO/PPS |
| Chân 23 | RB12 — GPIO/PPS |
| Chân 24 | RB13 — GPIO/PPS |
| Chân 25 | RB14 — GPIO/PPS |
| Chân 26 | RB15 — GPIO/PPS |
| Chân 27 | VSS — Ground |
| Chân 28 | VDD — Digital supply |
| Chân 29 | RC1 — GPIO/PPS |
| Chân 30 | RC2 — GPIO/PPS |
| Chân 31 | RC3 — GPIO/PPS |
| Chân 32 | RC4 — GPIO/PPS |
| Chân 33 | VUSB — USB 3.3V supply |
| Chân 34 | D- — USB D- data line |
| Chân 35 | D+ — USB D+ data line |
| Chân 36 | RC12 — GPIO/PPS |
| Chân 37 | RC13 — GPIO/PPS |
| Chân 38 | RC14 — GPIO/PPS |
| Chân 39 | RC15 — GPIO/PPS |
| Chân 40 | AVSS — Analog ground |
| Chân 41 | AVDD — Analog supply |
| Chân 42 | RD0 — GPIO/PMP |
| Chân 43 | RD1 — GPIO/PMP |
| Chân 44 | RD2 — GPIO/PMP |
| Chân 45 | RD3 — GPIO/PMP |
| Chân 46 | RD4 — GPIO/PMP |
| Chân 47 | RD5 — GPIO/PMP |
| Chân 48 | RD6 — GPIO/PMP |
| Chân 49 | RD7 — GPIO/PMP |
| Chân 50 | RE0 — GPIO/PMP |
| Chân 51 | RE1 — GPIO/PMP |
| Chân 52 | RE2 — GPIO/PMP |
| Chân 53 | RE3 — GPIO/PMP |
| Chân 54 | RE4 — GPIO/PMP |
| Chân 55 | RE5 — GPIO/PMP |
| Chân 56 | RE6 — GPIO/PMP |
| Chân 57 | RE7 — GPIO/PMP |
| Chân 58 | RF0 — GPIO/PMP |
| Chân 59 | RF1 — GPIO/PMP |
| Chân 60 | RF2 — GPIO/PMP |
| Chân 61 | RF3 — GPIO/PMP |
| Chân 62 | RF4 — GPIO/PMP |
| Chân 63 | RF5 — GPIO/PMP |
| Chân 64 | RF6 — GPIO/PMP |
Ứng dụng tiêu biểu
PIC24FJ256DA106-I/MR phù hợp cho 7 Áp dụngs: 4.3-inch WQVGA TFT LCD Display Module with Touch, USB-Enabled Embedded Human-Machine Interface (HMI), Industrial Control Panel with Graphical Readout, Point-of-Sale (POS) Terminal, Medical Instrumentation Display, Consumer Appliance User Interface, Automotive Infotainment Sub-Display.
4.3-inch WQVGA TFT LCD Display Module with Touch
The PIC24FJ256DA106-I/MR's integrated Graphics Controller directly drives 4.3-inch WQVGA TFT LCDs at 480x272 resolution with hardware-accelerated rendering, eliminating the need for an external display controller IC and reducing BOM cost in graphical HMI modules. Its 256 KB Flash accommodates UI asset tables, and the CTMU (Charge Time Measurement Unit) supports up to 64 capacitive touch buttons without an external touch controller. Typical circuits place 10 uF + 100 nF decoupling on VDD, route the TFT data bus through the Parallel Master Port (PMP), and connect the touch panel to ADC inputs via CTMU current sources.
Được đề xuất
USB-Enabled Embedded Human-Machine Interface (HMI)
The PIC24FJ256DA106-I/MR's integrated USB 2.0 Full-Speed OTG transceiver with on-chip pull-up and PHY enables direct connection to a host PC without an external USB interface IC, ideal for industrial HMI panels that require firmware updates or data logging via USB. Its 16 MIPS throughput at 32 MHz supports responsive UI updates, while the integrated RTCC provides accurate time-stamped events. Typical circuits include an external 2.5 kohm pull-up on D+ for full-speed detection, an ESD protection array (USBLC6-2SC6) on DP/DM lines, and a 48 MHz low-jitter crystal for USB clock accuracy.
Được đề xuất
Industrial Control Panel with Graphical Readout
The PIC24FJ256DA106-I/MR is well-suited for industrial control panels where a graphical readout simplifies operator interaction. Its industrial -40C to +85C temperature range (I suffix) and 2.0-3.6 V operating voltage allow deployment in factory floor environments with fluctuating power supplies. The 8-channel hardware DMA offloads graphical rendering from the CPU, freeing 16 MIPS of throughput for control loop execution. Typical circuits add a 2.5 kV isolation barrier between the MCU's ADC inputs and field wiring, plus a watchdog timer (WDT) and brown-out reset (BOR) for industrial robustness.
Được đề xuất
Point-of-Sale (POS) Terminal
The PIC24FJ256DA106-I/MR serves as a low-cost main controller in compact POS systems, with the Graphics Controller driving a small TFT receipt preview or signature capture display, USB OTG supporting external barcode scanners or receipt printers, and the 10-bit ADC reading operator keypad inputs. The 256 KB Flash stores graphical UI assets, payment flow logic, and USB device drivers, with the 24 KB SRAM accommodating transaction buffers. Typical circuits place the MCU on a 2-layer PCB with a continuous ground plane under the exposed pad for thermal dissipation.
Được đề xuất
Medical Instrumentation Display
The PIC24FJ256DA106-I/MR's ultra-low-power design (less than 100 nA standby current with RTCC running) and integrated display capability make it suitable for battery-powered medical instruments such as portable patient monitors or diagnostic readers. Its 32 MHz MIPS throughput processes sensor data while the Graphics Controller renders waveforms and numeric readings on a small TFT display. The CTMU enables sealed capacitive touch interfaces that resist disinfectants. Typical circuits add a precision voltage reference (e.g., MCP1525) for ADC accuracy and a separate analog ground island for noise isolation.
Được đề xuất
Consumer Appliance User Interface
The PIC24FJ256DA106-I/MR provides the graphical user interface for high-end consumer appliances such as smart ovens, washing machines, or coffee makers, where a small TFT display with touch replaces traditional LED/button panels. Its integrated USB enables firmware updates from a service tool or factory programming, while the Graphics Controller handles animated icons and progress indicators without CPU overhead. The 24 KB SRAM supports bilingual UI strings and animation buffers. Typical circuits interface the MCU to mains-isolated power supplies with reinforced insulation and use optocouplers for any back-powering signals.
Được đề xuất
Automotive Infotainment Sub-Display
The PIC24FJ256DA106-I/MR drives secondary automotive displays such as HVAC climate control, rear-seat entertainment, or instrument cluster sub-displays. Its industrial temperature grade (I suffix, -40C to +85C) covers most cabin applications, while USB OTG supports media playback from USB sticks. The Graphics Controller renders menus at 480x272 WQVGA, and the CTMU provides touch-button input. Note that AEC-Q100 Grade 0 automotive qualification requires the -E (extended) suffix variant. Typical circuits include CAN bus interface via external MCP2515, reverse-battery diode, and load-dump protection.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ256DA106-I/MR — 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 | PIC24FJ128DA106-I/MR | PIC24FJ256DA106-I/PT | PIC24FJ256DA106T-I/MR | PIC24FJ128GB606-I/MR | PIC24FJ256GA106-I/MR |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-VQFN (9x9) | 64-VQFN (9x9) - same | 64-TQFP (10x10) - different | 64-VQFN (9x9) - same | 64-VQFN (9x9) - same | 64-VQFN (9x9) - same |
| Flash Memory | 256 KB | 128 KB | 256 KB | 256 KB | 128 KB | 256 KB |
| RAM | 24 KB | 24 KB | 24 KB | 24 KB | 24 KB | 24 KB |
| Graphics Controller | Yes (integrated) | Yes | Yes | Yes | No | No |
| USB | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Operating Voltage | 2.0-3.6 V | 2.0-3.6 V | 2.0-3.6 V | 2.0-3.6 V | 2.0-3.6 V | 2.0-3.6 V |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
Bảo phân biệt quan trọng
- Integrated hardware Graphics Controller vs GA series (vsPIC24FJ256GA106-I/MR)
- 256 KB Flash for graphical UI assets (vsPIC24FJ128DA106-I/MR)
- CTMU touch sensing without external controller (vsPIC24FJ128GB606-I/MR)
- Full-speed USB OTG with on-chip transceiver (vsPIC24FJ256GA106-I/MR (general MCU))
Ghi chú thiết kế
Estimated: For the 64-VQFN (9x9) package, the exposed pad (EP) MUST be soldered to a continuous ground plane with at least 9 thermal vias (0.3 mm diameter, 1.0 mm pitch) connecting to inner ground layers. Without proper EP soldering, thermal resistance rises dramatically, leading to junction temperature excursions under sustained USB or Graphics Controller load. Place the EP land pattern as a single 4.6x4.6 mm square in the center of the package footprint.
Estimated: The internal 3.3V LDO requires a minimum 4.7 uF low-ESR ceramic capacitor on VCAP/VDDCORE (pin 11 in some variants), per Microchip datasheet DS39969D section 31. Bypass each VDD/VSS pair with a 100 nF X7R 0402 ceramic placed within 2 mm of the pin. Avoid sharing VDD traces with high-current digital outputs to prevent digital switching noise from coupling into analog AVdd.
Estimated: The USB D+/D- differential pair requires 90 ohm differential impedance controlled routing, maximum length 50 mm, with a USBLC6-2SC6 ESD protection array placed within 5 mm of the USB connector. Series ferrite beads (600 ohm at 100 MHz) are recommended for EMI suppression on VUSB. Do not route other signals under or parallel to the USB differential pair.
The PIC24FJ256DA106-I/MR PPS (Peripheral Pin Select) feature allows flexible assignment of digital peripherals to GPIO pins, but assignments must be unlocked via IOLOCK before PPS configuration in firmware. Forgetting to unlock PPS causes peripherals to fail silently. Also note that the Graphics Controller requires DMA-driven frame buffer updates - enabling the Graphics Controller without proper DMA setup causes bus contention and graphical artifacts.
For TFT LCD driving via the Parallel Master Port (PMP), place the data bus, address bus, and control signals (RD, WR, RS, CS) as a matched-length group with 50 mil spacing to minimize skew. Route digital TFT signals on a layer adjacent to the ground plane; do not cross the analog AVdd island. Keep CTMU touch-sensing traces short and balanced (matched length to within 5 mm) to ensure uniform touch sensitivity across the panel.
Thông tin tuân thủ
RoHS and lead-free compliant per Microchip product page. Not AEC-Q100 qualified - I suffix indicates industrial temperature grade -40C to +85C only. For automotive applications requiring AEC-Q100 Grade 0, the -E (extended) suffix variant is needed.
