PIC24FJ256DA106T-I/MR - 16-bit 32MHz 256KB Flash MCU | Microchip
MPN： PIC24FJ256DA106T-I/MR ✓ 啟用中PIC24FJ256DA106T-I/MR 概覽
A 16-bit microcontroller (MCU) is a microprocessor integrating CPU core, memory, peripherals, and I/O on one chip; the PIC24F family uses a modified Harvard architecture with a 16-bit data path, 24-bit instruction word, and a C-compiler-optimized instruction set. PIC24F devices sit in the 16-bit MCU hierarchy between 8-bit PIC10/12/16 and 32-bit PIC32, targeting low-power, moderate-performance embedded applications where 32-bit overhead is not justified. The 'FJ' suffix denotes Flash with enhanced peripherals, while 'DA' specifically identifies the integrated graphics controller and USB OTG controller. Designers select PIC24F for deterministic real-time performance, mature MPLAB X toolchain support, and a wide operating voltage range of 2.0V-3.6V.
Key features include 256 KB self-programmable Flash, 24 KB SRAM, USB 2.0 full-speed OTG, Parallel Master Port (PMP) for direct graphics interface, on-chip Charge Time Measurement Unit (CTMU) for touch sensing, Peripheral Pin Select (PPS) for flexible I/O mapping, 16-channel 10-bit ADC, five 16-bit timers, and three UART/SPI/I2C modules. The internal 8 MHz oscillator with 4x PLL provides flexible clock options without external crystals for many designs.
Typical applications include embedded color graphical displays (TFT-LCD), USB peripherals (HID, CDC, MSD), industrial control panels with touch sensing, low-cost medical devices, home appliance HMIs, and POS terminals. The wide memory and graphics capabilities make it suited to designs that previously required separate LCD controllers and external memory.
A key design consideration is the trade-off between integrated graphics versus a discrete graphics controller: the on-chip GPU reduces BOM cost but requires careful PMP timing configuration. Designers should also ensure decoupling per the datasheet's power-section guidelines to maintain USB signal integrity.
直接替換替代品，適用於 PIC24FJ256DA106T-I/MR — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC24FJ256DA106T-I/MR （相同外形與佔位） — 差異在於 Graphics Controller, Package, USB, ADC, Program Memory (Flash).
PIC24FJ256DA106-I/MR
✅ 直接替換聯絡詢價
查看資料表 →PIC24FJ128DA106-I/MR
✅ 直接替換聯絡詢價
查看資料表 →PIC24FJ256GA106-I/MR
✅ 直接替換📋 參考替代品（不在目錄中）
PIC24FJ256DA106-I/PT
✅ 直接替換聯絡詢價
查看資料表 →PIC24FJ256DA106T-I/MR 最大額定值與電氣特性
| Core Architecture | PIC 16-bit modified Harvard |
| Family | PIC24F |
| CPU Core | 16-bit PIC |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 256 KB (85.5K x 24 bits) |
| RAM | 24 KB |
| 封裝 | 64-pin VQFN (9x9 mm) |
| 安裝類型 | Surface Mount |
| Operating Voltage Range | 2.0 V to 3.6 V |
| 工作溫度範圍 | -40 C to +85 C (Industrial) |
| USB | USB 2.0 Full-Speed OTG |
| Graphics Controller | Integrated with Parallel Master Port (PMP) |
| ADC | 16-channel 10-bit |
| Timers | Five 16-bit |
| Communication Interfaces | 3x UART/SPI/I2C (selectable) |
| Peripheral Pin Select (PPS) | Yes |
| Internal Oscillator | 8 MHz with 4x PLL and multiple divide options |
| Hardware Multiplier/Divider | 17-bit x 16-bit single-cycle multiplier; 16-bit hardware divider |
| Touch Sensing | CTMU (Charge Time Measurement Unit) |
| RoHS 狀態 | Compliant |
| Lead-Free | Yes |
PIC24FJ256DA106T-I/MR 64-pin vqfn (9x9 mm) 腳位配置指南
PIC24FJ256DA106T-I/MR（64-pin vqfn (9x9 mm) 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： PIC24FJ256DA106T-I/MR.
請參閱 資料表 以查看完整腳位配置。
典型應用
PIC24FJ256DA106T-I/MR 適用於 7 應用s: Embedded Color Graphics Display HMI, USB HID / CDC / MSD Peripherals, Industrial Control Panels with Touch Sensing, Low-Cost Medical Devices, Home Appliance HMI Displays, POS Terminals and Kiosk Controllers, Automotive Infotainment Auxiliary Displays.
Embedded Color Graphics Display HMI
The PIC24FJ256DA106T-I/MR's integrated graphics controller with Parallel Master Port (PMP) is engineered to drive TFT-LCD panels up to QVGA/WQVGA resolutions without an external LCD controller. Its 256 KB Flash holds the graphics library and application code, while 24 KB RAM provides sufficient frame-buffer space for small color displays. Designers place the MCU directly between an SPI/parallel display and the user-interface firmware, reducing BOM by $1-3 versus a discrete graphics controller solution. The 32 MHz CPU delivers 16 MIPS, adequate for animated menu rendering and touch-coordinate processing.
推薦
USB HID / CDC / MSD Peripherals
The PIC24FJ256DA106T-I/MR's integrated USB 2.0 full-speed OTG controller enables plug-and-play HID, CDC, and MSD device implementations without external PHY hardware. The 256 KB Flash holds the USB stack, class drivers, and application logic; the 48 MHz USB clock derives from the on-chip PLL, eliminating external crystal cost. USB signal integrity requires careful PCB layout per the datasheet's USB section, with 90-ohm differential impedance on D+/D- lines. Designers use this MCU in barcode scanners, custom input devices, and USB-to-UART bridges.
推薦
Industrial Control Panels with Touch Sensing
The PIC24FJ256DA106T-I/MR integrates a Charge Time Measurement Unit (CTMU) supporting up to 64 touch buttons without external touch ICs. Combined with the 16-channel 10-bit ADC and 5x 16-bit timers, this enables robust industrial HMI designs where mechanical switches would fail. The 2.0V-3.6V supply range tolerates industrial 24V bus-derived 3.3V rails with regulation. Designers combine CTMU touch sensing with the graphics controller for sealed touch-panel interfaces in factory equipment and process control.
推薦
Low-Cost Medical Devices
The PIC24FJ256DA106T-I/MR's deterministic 16 MIPS performance, integrated USB for PC connectivity, and 256 KB Flash for application code make it suited to low-cost medical peripherals such as glucose meters, pulse oximeters, and patient monitoring accessories. The industrial -40C to +85C temperature range covers most clinical environments. The Peripheral Pin Select (PPS) feature allows flexible I/O mapping for sensor interfaces, simplifying PCB routing in compact medical form factors.
推薦
Home Appliance HMI Displays
The PIC24FJ256DA106T-I/MR is well suited to home appliance user interfaces such as washing-machine control panels, microwave ovens, and smart thermostats. Its integrated graphics controller drives small TFT or OLED displays directly, while USB enables factory programming and firmware updates. The 256 KB Flash supports multilingual UI assets and complex state machines; 24 KB RAM handles UI frame buffers. The CTMU enables sealed capacitive touch panels that withstand kitchen moisture.
推薦
POS Terminals and Kiosk Controllers
The PIC24FJ256DA106T-I/MR supports POS terminal and kiosk controller designs requiring USB peripherals (card readers, printers, barcode scanners), graphical receipts or menu displays, and touch input. The integrated USB OTG enables host and device roles, simplifying dual-mode peripherals. The 16 MIPS CPU handles transaction state machines, encryption, and display updates concurrently. Designers leverage the 256 KB Flash for secure bootloaders and application firmware.
推薦
Automotive Infotainment Auxiliary Displays
The PIC24FJ256DA106T-I/MR can serve as an auxiliary display controller in non-safety-critical automotive HMI applications such as rear-seat entertainment, climate-control panels, and aftermarket accessory displays. Its industrial temperature grade (-40C to +85C) covers cabin environments. The integrated USB supports media playback from USB drives; the graphics controller drives small TFT panels. For safety-critical automotive applications, designers should migrate to AEC-Q100-qualified variants in the PIC24HJ or dsPIC33 families.
推薦
推薦產品摘要
工程參考資料，適用於 PIC24FJ256DA106T-I/MR — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC24FJ256DA106-I/MR | PIC24FJ128DA106-I/MR | PIC24FJ256GA106-I/MR |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | VQFN-64 (MR) 9x9 | VQFN-64 (MR) 9x9 - same | VQFN-64 (MR) 9x9 - same | VQFN-64 (MR) 9x9 - same |
| Core | PIC24F 16-bit, 32 MHz | PIC24F 16-bit, 32 MHz | PIC24F 16-bit, 32 MHz | PIC24F 16-bit, 32 MHz |
| Flash Memory | 256 KB | 256 KB | 128 KB (-50%) | 256 KB |
| RAM | 24 KB | 24 KB | 24 KB | 24 KB |
| Graphics Controller | Yes (integrated, with PMP) | Yes | Yes | No |
| USB | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
| Temperature Range | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Shipping Format | Tape & Reel | Tray | Tray | Tray |
主要差異化特點
- Integrated on-chip graphics controller with Parallel Master Port (對比PIC24FJ256GA106-I/MR)
- 256 KB Flash doubles code-storage capacity versus -128 variant (對比PIC24FJ128DA106-I/MR)
- USB OTG plus integrated graphics in single 64-VQFN (對比Discrete USB MCU + external graphics controller)
設計說明
The PIC24FJ256DA106T-I/MR requires a stable 2.0V-3.6V supply. Place a 10 uF bulk capacitor near the VDD pins and a 0.1 uF decoupling capacitor on each VDD/VSS pair as recommended in the Microchip datasheet power section. For USB applications, ensure VBUS tolerance is respected; do not connect 5V USB signals directly to 3.3V tolerant pins without level shifting or resistor dividers.
The 64-pin VQFN (9x9 mm) package has an exposed thermal pad that must be soldered to a ground copper pour for thermal dissipation and electrical performance. Use an array of thermal vias under the EP to connect to inner ground planes. Maintain 90-ohm differential impedance on USB D+/D- traces and keep them length-matched within 150 mil per the USB 2.0 specification.
Configuration bits must be programmed correctly to enable the PLL and select the right oscillator mode for USB operation (48 MHz). The Peripheral Pin Select (PPS) feature requires explicit remapping of peripheral functions to physical I/O pins in firmware - failing to do so leaves peripherals inactive even though registers appear correct. Always check the device configuration in MPLAB X after programming.
When driving TFT-LCD panels via the Parallel Master Port (PMP), keep PMP traces short and length-matched for the data bus. Place series resistors on PMP data lines near the MCU to dampen reflections. For high-pixel-clock rates, use 4-layer PCB with continuous ground plane beneath PMP traces to minimize crosstalk.
合規資訊
RoHS and lead-free per Microchip product page. Industrial temperature grade (-40C to +85C). Not AEC-Q100 qualified - for automotive safety-critical applications migrate to AEC-Q100-qualified PIC24/dsPIC variants.
