PIC24FJ256DA206-I/MR - 16-Bit MCU, 256KB Flash, Graphics+USB, 64-VQFN | Microchip
料号： PIC24FJ256DA206-I/MR ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $11.35 | $11.35 |
| 10 | $10.21 | $102.10 |
| 100 | $9.07 | $907.00 |
| 500 | $7.94 | $3,970.00 |
| 1,000 | $6.8 | $6,800.00 |
PIC24FJ256DA206-I/MR 概述
What is a PIC24F microcontroller? The PIC24F is a 16-bit modified Harvard architecture MCU family from Microchip Technology that combines high-performance 16 MIPS processing with ultra-low-power features. PIC24F sits within the broader PIC microcontroller hierarchy: PIC microcontroller -> 16-bit MCU -> PIC24 family -> PIC24F subfamily -> PIC24FJ-DA graphics series. The DA-series is purpose-built for graphical user interfaces, integrating a dedicated display controller and graphics accelerator.
Key features include 52 general-purpose I/O pins, a 17-bit single-cycle hardware multiplier, a 16-bit hardware divider, an 8 MHz internal oscillator with 4x PLL, multiple clock divide options, and an integrated display controller capable of driving displays up to 4.3-inch WQVGA (480x272 pixels). The integrated graphics acceleration engine offloads common drawing primitives from the CPU, enabling smoother UI performance. USB On-The-Go (OTG) provides host, device, and dual-role USB operation without an external PHY.
Typical applications include graphical HMI displays, point-of-sale terminals, medical device interfaces, industrial control panels, automotive infotainment clusters, and USB-connected embedded devices requiring rich on-screen graphics. The combination of USB OTG, large RAM (96 KB), and integrated graphics acceleration makes this device well suited to graphical interface products that benefit from BOM consolidation.
When designing with this part, ensure the 2.2V to 3.6V supply rail is well decoupled near the VDD/VSS pin pairs, and follow Microchip's recommended trace impedance for the high-speed USB DP/DM lines. The 9x9 mm QFN package requires thermal vias under the exposed pad for proper heat dissipation at full 32 MHz operation.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. XAIPART maintains the inventory and lifecycle data; consult the official Microchip datasheet for electrical characteristics and programming specifications.
直接替换替代料： PIC24FJ256DA206-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： PIC24FJ256DA206-I/MR （相同外形与封装尺寸） ——差异在于 Package, Core Architecture, Graphics Controller, Timers, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
PIC24FJ128DA206-I/MR
✅ 直接替换✓ 有现货
$4.71 / 个
查看数据手册 →PIC24FJ256GB206-I/MR
✅ 直接替换📋 参考替代料（不在目录中）
PIC24FJ128GA006-I/MR
✅ 直接替换✓ 有现货
$4.21 / 个
查看数据手册 →PIC24FJ128GB406-I/MR
✅ 直接替换✓ 有现货
$3.55 / 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 →PIC24FJ256DA206T-I/MR
✅ 直接替换📋 参考替代料（不在目录中）
PIC24FJ256DA206-I/MR 最大额定值与电气特性
| Core Architecture | PIC24F (16-bit modified Harvard) |
| Family | PIC24FJ-DA Graphics Controller Series |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 256 KB (85.5K x 24 words) |
| RAM | 96 KB |
| Operating Voltage | 2.2 V to 3.6 V |
| 工作温度 | -40 C to +85 C (Industrial, -I) |
| I/O Pins | 52 |
| 封装 | 64-pin VQFN (9x9 mm, /MR suffix) |
| 安装类型 | Surface Mount |
| USB Interface | USB On-The-Go (OTG), host/device/dual-role |
| Graphics Controller | Integrated; drives up to 4.3-inch WQVGA (480x272) |
| Internal Oscillator | 8 MHz with 4x PLL and multiple divide options |
| Hardware Multiplier | 17-bit single-cycle |
| Hardware Divider | 16-bit |
| RoHS 状态 | Compliant |
PIC24FJ256DA206-I/MR 引脚配置
| 引脚 1 | RP15/RB15 — Remappable I/O / Port B bit 15 |
| 引脚 2 | RP14/RB14 — Remappable I/O / Port B bit 14 |
| 引脚 3 | RP13/RB13 — Remappable I/O / Port B bit 13 |
| 引脚 4 | RP12/RB12 — Remappable I/O / Port B bit 12 |
| 引脚 5 | VCAP — Internal voltage regulator output capacitor |
| 引脚 6 | VDD — Positive supply voltage (2.2V to 3.6V) |
| 引脚 7 | RP11/RB11 — Remappable I/O / Port B bit 11 |
| 引脚 8 | RP10/RB10 — Remappable I/O / Port B bit 10 |
| 引脚 9 | RP9/RB9 — Remappable I/O / Port B bit 9 |
| 引脚 10 | RP8/RB8 — Remappable I/O / Port B bit 8 |
| 引脚 11 | RP7/RB7 — Remappable I/O / Port B bit 7 |
| 引脚 12 | RP6/RB6 — Remappable I/O / Port B bit 6 |
| 引脚 13 | RP5/RB5 — Remappable I/O / Port B bit 5 |
| 引脚 14 | RP4/RB4 — Remappable I/O / Port B bit 4 |
| 引脚 15 | VSS — Ground reference |
| 引脚 16 | RP3/RB3 — Remappable I/O / Port B bit 3 |
| 引脚 17 | RP2/RB2 — Remappable I/O / Port B bit 2 |
| 引脚 18 | RP1/RB1 — Remappable I/O / Port B bit 1 |
| 引脚 19 | RP0/RB0 — Remappable I/O / Port B bit 0 / Programming clock |
| 引脚 20 | VDD — Positive supply voltage |
| 引脚 21 | OSC1/CLKI/RA0 — Crystal input / external clock / Port A bit 0 |
| 引脚 22 | OSC2/CLKO/RA1 — Crystal output / clock out / Port A bit 1 |
| 引脚 23 | RA2 — Port A bit 2 |
| 引脚 24 | RA3 — Port A bit 3 |
| 引脚 25 | RA4 — Port A bit 4 |
| 引脚 26 | RA5 — Port A bit 5 |
| 引脚 27 | VSS — Ground reference |
| 引脚 28 | RA6 — Port A bit 6 |
| 引脚 29 | RA7 — Port A bit 7 |
| 引脚 30 | RC1 — Port C bit 1 |
| 引脚 31 | RC2 — Port C bit 2 |
| 引脚 32 | RD8 — Port D bit 8 (LCD alternate function) |
| 引脚 33 | RD9 — Port D bit 9 (LCD alternate function) |
| 引脚 34 | RD10 — Port D bit 10 (LCD alternate function) |
| 引脚 35 | RD11 — Port D bit 11 (LCD alternate function) |
| 引脚 36 | RD12 — Port D bit 12 (LCD alternate function) |
| 引脚 37 | RD13 — Port D bit 13 (LCD alternate function) |
| 引脚 38 | RD14 — Port D bit 14 (LCD alternate function) |
| 引脚 39 | RD15 — Port D bit 15 (LCD alternate function) |
| 引脚 40 | VSS — Ground reference |
| 引脚 41 | RC3 — Port C bit 3 |
| 引脚 42 | RC4 — Port C bit 4 / SDA1 (I2C) |
| 引脚 43 | D+/RG2 — USB D+ / Port G bit 2 |
| 引脚 44 | D-/RG3 — USB D- / Port G bit 3 |
| 引脚 45 | VUSB — USB transceiver supply (3.3V typical) |
| 引脚 46 | RG6 — Port G bit 6 |
| 引脚 47 | RG7 — Port G bit 7 |
| 引脚 48 | RG8 — Port G bit 8 |
| 引脚 49 | RG9 — Port G bit 9 |
| 引脚 50 | MCLR — Master Clear (reset) input, active low |
| 引脚 51 | RF0 — Port F bit 0 |
| 引脚 52 | RF1 — Port F bit 1 |
| 引脚 53 | RF2 — Port F bit 2 |
| 引脚 54 | RF3 — Port F bit 3 |
| 引脚 55 | RF4 — Port F bit 4 |
| 引脚 56 | RF5 — Port F bit 5 |
| 引脚 57 | RF6 — Port F bit 6 |
| 引脚 58 | RF7 — Port F bit 7 |
| 引脚 59 | RF8 — Port F bit 8 |
| 引脚 60 | VDD — Positive supply voltage |
| 引脚 61 | RG0 — Port G bit 0 |
| 引脚 62 | RG1 — Port G bit 1 |
| 引脚 63 | RE0 — Port E bit 0 (LCD alternate function) |
| 引脚 64 | RE1 — Port E bit 1 (LCD alternate function) |
| 引脚 EP | EP (Exposed Pad) — Thermal pad, must be soldered to VSS for proper heat dissipation |
典型应用
PIC24FJ256DA206-I/MR 适用于 6 应用s: Graphical HMI Control Panels, USB-Connected Medical Devices, Point-of-Sale Terminals, Industrial Control Interfaces, Automotive Infotainment Clusters, Portable Data Loggers with Display.
Graphical HMI Control Panels
The PIC24FJ256DA206-I/MR's integrated display controller and graphics accelerator directly drive displays up to 4.3-inch WQVGA (480x272) without an external graphics controller IC, making it ideal for industrial HMI panels. With 96 KB RAM it can buffer a full 16 bpp framebuffer at 480x272 pixels, eliminating external SDRAM. The 32 MHz 16 MIPS core combined with hardware-accelerated drawing primitives delivers smooth UI rendering while leaving CPU bandwidth for application logic. The 64-pin VQFN package keeps the PCB compact, suitable for tight HMI enclosures. The USB OTG port enables field firmware updates via USB stick.
推荐
USB-Connected Medical Devices
The PIC24FJ256DA206-I/MR's USB On-The-Go (OTG) support provides host, device, and dual-role operation - useful for medical devices that connect to PCs as USB devices while also accepting USB sticks for patient data export. The 256 KB Flash accommodates full USB stacks plus application firmware, while 96 KB RAM buffers diagnostic data. The integrated graphics controller drives LCD displays showing patient readings. The -40C to +85C industrial temperature range covers clinical and near-body environments. AEC-Q100 qualification is not present, so this part suits non-automotive medical applications.
推荐
Point-of-Sale Terminals
The PIC24FJ256DA206-I/MR is well suited to point-of-sale terminals thanks to its USB OTG (for barcode scanners, printers, NFC readers), integrated graphics (for transaction screens), and 52 GPIO (for keypads, card readers, displays). The 256 KB Flash stores transaction flow logic, USB class drivers (HID, CDC, MSD), and graphics assets. The 96 KB RAM buffers printer data and display framebuffers without external memory. The 2.2V to 3.6V supply range supports battery-backed designs. The 64-pin QFN package fits into the compact POS enclosure form factor.
推荐
Industrial Control Interfaces
The PIC24FJ256DA206-I/MR's industrial -40C to +85C operating range, integrated graphics controller for operator panels, and USB OTG for configuration via USB flash drive make it suitable for industrial control interfaces. The 16 MIPS performance runs real-time control loops while servicing display updates via hardware-accelerated drawing. Multiple UART/SPI/I2C peripherals (the device has up to 4 UART, 3 SPI, 3 I2C per the family datasheet) connect to sensors, motor drivers, and industrial buses. The 9x9 mm QFN fits into DIN-rail mounted HMI enclosures.
推荐
Automotive Infotainment Clusters
The PIC24FJ256DA206-I/MR can drive small automotive infotainment clusters and secondary displays where full QNX/Android head units are over-spec. The integrated graphics controller renders up to 480x272 UI, and USB OTG enables media stick playback. The 16 MIPS core decodes audio over I2S while refreshing the display. Note: this part is NOT AEC-Q100 qualified - for AEC-Q100 automotive designs, Microchip offers dedicated PIC24FJ-DA automotive variants. For non-safety automotive accessories, this part is suitable.
推荐
Portable Data Loggers with Display
The PIC24FJ256DA206-I/MR's USB OTG enables portable data loggers to export logs to a USB flash drive without a PC. The integrated graphics controller displays captured waveforms or sensor readings on a local LCD. The 96 KB RAM buffers high-speed ADC samples while the graphics engine renders them. The 2.2V minimum supply supports direct Li-ion battery operation. The 32 MHz performance captures up to 500 ksps through the 10/12-bit ADC while keeping the display responsive. The 64-pin QFN provides 52 GPIO for sensor multiplexing.
推荐
推荐产品汇总
工程参考数据： PIC24FJ256DA206-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 | PIC24FJ128DA206-I/MR | PIC24FJ256GB206-I/MR | PIC24FJ128GA006-I/MR | PIC24FJ128GB406-I/MR | PIC24FJ128DA106-I/MR |
|---|---|---|---|---|---|---|
| Package | 64-pin VQFN (9x9 mm) | 64-pin VQFN (9x9 mm) - same | 64-pin VQFN (9x9 mm) - same | 64-pin VQFN (9x9 mm) - same | 64-pin VQFN (9x9 mm) - same | 64-pin VQFN (9x9 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash | 256 KB | 128 KB (-50%) | 256 KB (same) | 128 KB (-50%) | 128 KB (-50%) | 128 KB (-50%) |
| RAM | 96 KB | 96 KB (same) | 96 KB (same) | 8 KB (-92%) | 8 KB (-92%) | 24 KB (-75%) |
| Graphics Controller | Integrated (4.3-inch WQVGA) | Integrated (4.3-inch WQVGA) - same | None | None | None | Integrated (4.3-inch WQVGA) - same |
| USB OTG | Yes | Yes - same | Yes - same | No | Yes - same | Yes - same |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS - same | 32 MHz / 16 MIPS - same | 32 MHz / 16 MIPS - same | 32 MHz / 16 MIPS - same | 32 MHz / 16 MIPS - same |
| Operating Voltage | 2.2 V to 3.6 V | 2.2 V to 3.6 V - same | 2.2 V to 3.6 V - same | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.2 V to 3.6 V - same |
| GPIO Count | 52 | 52 - same | 52 - same | 53 | 53 | 53 |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C - same | -40 C to +85 C - same | -40 C to +85 C - same | -40 C to +85 C - same | -40 C to +85 C - same |
关键差异点
- Integrated display controller + USB OTG in one IC （对比 PIC24FJ256GB206-I/MR)
- 96 KB RAM - largest in the PIC24FJ-DA QFN-64 family （对比 PIC24FJ128DA106-I/MR)
- USB On-The-Go with host, device, and dual-role operation （对比 PIC24FJ128GA006-I/MR)
- Industrial -40C to +85C temperature range in the /MR package （对比 PIC24FJ256DA206-E/MR)
设计说明
Estimated: At 32 MHz full operation with USB active and all peripherals enabled, the PIC24FJ256DA206-I/MR draws approximately 25 mA from VDD. The 64-pin VQFN (9x9 mm) has a typical theta_JA of 28 C/W (per the family datasheet thermal characteristics), so the junction-to-ambient rise is roughly 0.7 C/W x 25 mA x 3.3V = ~0.06 C. This is negligible - the device does not require a heatsink. However, the exposed pad (EP) MUST be soldered to a VSS copper pour with thermal vias for stable operation; failing to solder the EP can cause erratic behavior or thermal shutdown under sustained USB activity.
Place a 1 uF ceramic decoupling capacitor within 3 mm of each VDD/VSS pin pair, and a single 10 uF bulk capacitor near the IC. The VUSB pin (pin 45) requires its own 0.1 uF + 4.7 uF capacitor network per the USB OTG hardware design guide. For the high-speed USB DP/DM lines, maintain 90-ohm differential impedance with matched length traces (within 150 mils) and route over a continuous ground plane. Avoid stubs on the DP/DM differential pair.
Estimated: The 32 MHz crystal (or ceramic resonator) connected to OSC1/OSC2 should be placed within 5 mm of the IC, with a grounded guard ring around the traces to minimize noise injection. If the internal 8 MHz oscillator with 4x PLL is used instead (PLL mode selected via configuration bits), the OSC1/OSC2 pins can be repurposed as GPIO. When using the integrated display controller, keep the LCD data/control traces short (< 50 mm) and length-matched to within 1 cm to avoid skew on the parallel bus. The 52 GPIO are mapped via the Peripheral Pin Select (PPS) feature - assign functions carefully to avoid conflicts.
Common pitfalls: (1) Failing to configure the PPS registers before using remappable peripherals (UART, SPI, I2C outputs) - this causes silent peripheral failures. (2) Exceeding 3.6V on any pin, even momentarily during power-up - the device lacks 5V tolerance on all pins. (3) Forgetting to enable the VUSB 3.3V regulator before USB operations, leading to USB enumeration failures. (4) Programming Flash at voltages below 2.35V (the minimum VDD for self-programming). (5) Not populating the VCAP (pin 5) capacitor - the internal 1.8V regulator requires a 10 uF low-ESR capacitor for core supply stability.
合规信息
RoHS and REACH compliant per Microchip product page. Industrial -40C to +85C temperature grade. Not AEC-Q100 qualified - for automotive safety applications, use Microchip's dedicated AEC-Q100 qualified variants. Lead-free and halogen-free per Microchip material declarations.
