PIC24FJ256DA106T-I/MR - 16-bit 32MHz 256KB Flash MCU | Microchip
料号： PIC24FJ256DA106T-I/MR ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $9.2 | $9.20 |
| 10 | $8.46 | $84.60 |
| 100 | $7.55 | $755.00 |
| 500 | $6.78 | $3,390.00 |
| 1,000 | $6.05 | $6,050.00 |
PIC24FJ256DA106T-I/MR 概述
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.
直接替换替代料： PIC24FJ256DA106T-I/MR ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC24FJ256DA106T-I/MR （相同外形与封装尺寸） ——差异在于 Graphics Controller, Package, USB, ADC, Program Memory (Flash).
快速对比工具——选择替代料号进行并排对比：
PIC24FJ256DA106-I/MR
✅ 直接替换✓ 有现货
$6.25 / 个
查看数据手册 →PIC24FJ128DA106-I/MR
✅ 直接替换✓ 有现货
$2.4 / 个
查看数据手册 →PIC24FJ256GA106-I/MR
✅ 直接替换📋 参考替代料（不在目录中）
PIC24FJ256DA106-I/PT
✅ 直接替换✓ 有现货
$5.46 / 个
查看数据手册 →PIC24FJ256DA106T-I/MR 最大额定值与电气特性
| 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 |
| 封装 | 64-pin VQFN (9x9 mm) |
| 安装类型 | Surface Mount |
| Operating Voltage Range | 2.0 V to 3.6 V |
| 工作温度范围 | -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 状态 | Compliant |
| Lead-Free | Yes |
PIC24FJ256DA106T-I/MR 64-pin vqfn (9x9 mm) 引脚配置指南
PIC24FJ256DA106T-I/MR（64-pin vqfn (9x9 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： PIC24FJ256DA106T-I/MR.
请参阅 数据手册 以查看完整引脚配置。
典型应用
PIC24FJ256DA106T-I/MR 适用于 7 应用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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： PIC24FJ256DA106T-I/MR ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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 |
关键差异点
- Integrated on-chip graphics controller with Parallel Master Port （对比 PIC24FJ256GA106-I/MR)
- 256 KB Flash doubles code-storage capacity versus -128 variant （对比 PIC24FJ128DA106-I/MR)
- USB OTG plus integrated graphics in single 64-VQFN （对比 Discrete USB MCU + external graphics controller)
设计说明
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.
合规信息
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.
