PIC24FJ512GU406-E/PT - 16-Bit MCU, 512KB Flash, USB, LCD | Microchip
料号： PIC24FJ512GU406-E/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.05 | $4.05 |
| 10 | $3.86 | $38.60 |
| 100 | $3.5 | $350.00 |
| 500 | $3.18 | $1,590.00 |
| 1,000 | $2.92 | $2,920.00 |
PIC24FJ512GU406-E/PT 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), and a rich set of on-chip peripherals such as timers, communication controllers, ADCs, and GPIOs. PIC24FJ MCUs belong to the broader 16-bit MCU family, sitting architecturally above 8-bit PIC16/PIC18 parts and below 32-bit Cortex-M devices in the Microchip portfolio, and they are commonly used in cost-sensitive, low-power embedded applications.
Key features of the PIC24FJ512GU406-E/PT include 512 KB of dual-partition Flash that supports live Over-The-Air (OTA) firmware updates without device downtime, hardware EEPROM emulation, and 32 KB of RAM. The 'GU' family also adds Core Independent Peripherals (CIPs) such as CLC, PWM, capture, and a 12-bit ADC, while the integrated LCD driver supports segmented displays and the on-chip USB 2.0 full-speed controller eliminates an external PHY. Power-management features include multiple Idle, Sleep, and Doze modes that allow extended battery life in always-on products.
Typical applications for the PIC24FJ512GU406-E/PT include industrial HMI panels with segmented LCDs, USB-connected sensor hubs, automotive body and cluster subsystems, home appliances with LCD user interfaces, low-power IoT edge nodes that require OTA firmware maintenance, and medical handhelds where 16-bit math and segment-LCD drives coexist. The wide -40C to +125C operating range and AEC-Q100 qualification make the 'E' grade suitable for automotive under-hood and industrial environments.
When designing with this device, confirm that the 64-pin TQFP pad pattern is acceptable for the PCB footprint library and that the USB D+/D- pins are routed with 90 ohm differential impedance. Programmers should use MPLAB X IDE with the XC16 compiler, and the dual-partition Flash layout must be configured through the device configuration bits before live OTA updates are enabled.
This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC24FJ 'GU/GL' families, and practical design notes not collated in the manufacturer datasheet.
直接替换替代料： PIC24FJ512GU406-E/PT ——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： PIC24FJ512GU406-E/PT （相同外形与封装尺寸） ——差异在于 Core Architecture, LCD Controller, Operating Temperature, Package, USB.
快速对比工具——选择替代料号进行并排对比：
PIC24FJ512GL406-E/PT
✅ 直接替换✓ 有现货
$4.2 / 个
查看数据手册 →PIC24FJ512GU410-E/PT
✅ 直接替换✓ 有现货
$5.38 / 个
查看数据手册 →PIC24FJ256GU406-E/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC24FJ512GU406-I/PT
✅ 直接替换✓ 有现货
$5.42 / 个
查看数据手册 →PIC24FJ128GU406-I/PT
✅ 直接替换✓ 有现货
$3.36 / 个
查看数据手册 →PIC24FJ512GU406-E/PT 最大额定值与电气特性
| Core Architecture | PIC24FJ (16-bit) |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 512 KB dual-partition ECC Flash |
| RAM | 32 KB |
| USB | USB 2.0 Full-Speed (12 Mbps), on-chip transceiver |
| LCD Driver | Integrated segment LCD controller |
| Operating Voltage Range | 2.0 V to 3.6 V |
| 工作温度范围 | -40 C to +125 C (E grade) |
| 封装 | 64-pin TQFP (10 x 10 mm) |
| 安装类型 | Surface Mount |
| AEC-Q100 Qualification | AEC-Q100 qualified (E grade) |
| RoHS 状态 | Compliant |
PIC24FJ512GU406-E/PT 引脚配置
| 引脚 1 | RP15/PWM4H/AN15/CN15/RB15 — Remappable I/O / PWM / ADC input |
| 引脚 2 | RP14/PWM4L/AN14/CN14/RB14 — Remappable I/O / PWM / ADC input |
| 引脚 3 | RP13/AN13/CN13/RB13 — Remappable I/O / ADC input |
| 引脚 4 | RP12/AN12/CN12/RB12 — Remappable I/O / ADC input |
| 引脚 5 | RP11/AN11/CN11/RB11 — Remappable I/O / ADC input |
| 引脚 6 | RP10/AN10/CN10/RB10 — Remappable I/O / ADC input |
| 引脚 7 | RP9/AN9/CN9/RB9 — Remappable I/O / ADC input |
| 引脚 8 | RP8/AN8/CN8/RB8 — Remappable I/O / ADC input |
| 引脚 9 | RP7/AN7/CN7/RB7 — Remappable I/O / ADC input |
| 引脚 10 | RP6/AN6/CN6/RB6 — Remappable I/O / ADC input |
| 引脚 11 | RP5/AN5/CN5/RB5 — Remappable I/O / ADC input |
| 引脚 12 | RP4/AN4/CN4/RB4 — Remappable I/O / ADC input |
| 引脚 13 | RP3/AN3/CN3/RB3 — Remappable I/O / ADC input |
| 引脚 14 | RP2/AN2/CN2/RB2 — Remappable I/O / ADC input |
| 引脚 15 | RP1/AN1/CN1/RB1 — Remappable I/O / ADC input |
| 引脚 16 | RP0/AN0/CN0/RB0 — Remappable I/O / ADC input |
| 引脚 17 | VDD — Positive supply (2.0-3.6 V) |
| 引脚 18 | VSS — Ground reference |
| 引脚 19 | OSCI/CLKI/RA3 — Crystal input or external clock |
| 引脚 20 | OSCO/CLKO/RA2 — Crystal output |
| 引脚 21 | RA1 — General purpose I/O |
| 引脚 22 | RA0 — General purpose I/O |
| 引脚 23 | RA4 — General purpose I/O |
| 引脚 24 | RA5 — General purpose I/O |
| 引脚 25 | RA6 — General purpose I/O |
| 引脚 26 | RA7 — General purpose I/O |
| 引脚 27 | RA8 — General purpose I/O |
| 引脚 28 | RA9 — General purpose I/O |
| 引脚 29 | RA10 — General purpose I/O |
| 引脚 30 | RA11 — General purpose I/O |
| 引脚 31 | RA12 — General purpose I/O |
| 引脚 32 | RA13 — General purpose I/O |
| 引脚 33 | RA14 — General purpose I/O |
| 引脚 34 | RA15 — General purpose I/O |
| 引脚 35 | VSS — Ground reference |
| 引脚 36 | VDD — Positive supply (2.0-3.6 V) |
| 引脚 37 | D- — USB D- data line |
| 引脚 38 | D+ — USB D+ data line |
| 引脚 39 | VUSB — USB transceiver supply |
| 引脚 40 | RC1 — General purpose I/O / LCD |
| 引脚 41 | RC2 — General purpose I/O / LCD |
| 引脚 42 | RC3 — General purpose I/O / LCD |
| 引脚 43 | RC4 — General purpose I/O / LCD |
| 引脚 44 | RD0 — General purpose I/O / LCD |
| 引脚 45 | RD1 — General purpose I/O / LCD |
| 引脚 46 | RD2 — General purpose I/O / LCD |
| 引脚 47 | RD3 — General purpose I/O / LCD |
| 引脚 48 | RD4 — General purpose I/O / LCD |
| 引脚 49 | RD5 — General purpose I/O / LCD |
| 引脚 50 | RD6 — General purpose I/O / LCD |
| 引脚 51 | RD7 — General purpose I/O / LCD |
| 引脚 52 | RE0 — General purpose I/O / LCD |
| 引脚 53 | RE1 — General purpose I/O / LCD |
| 引脚 54 | RE2 — General purpose I/O / LCD |
| 引脚 55 | RE3 — General purpose I/O / LCD |
| 引脚 56 | RE4 — General purpose I/O / LCD |
| 引脚 57 | RE5 — General purpose I/O / LCD |
| 引脚 58 | RE6 — General purpose I/O / LCD |
| 引脚 59 | RE7 — General purpose I/O / LCD |
| 引脚 60 | RF0 — General purpose I/O / LCD |
| 引脚 61 | RF1 — General purpose I/O / LCD |
| 引脚 62 | RF2 — General purpose I/O / LCD |
| 引脚 63 | RF3 — General purpose I/O / LCD |
| 引脚 64 | MCLR — Master clear (reset) input |
典型应用
PIC24FJ512GU406-E/PT 适用于 6 应用s: Industrial HMI with Segmented LCD, USB-Connected Sensor Hub, Automotive Body Control Module, Home Appliance with LCD User Interface, Low-Power IoT Edge Node, Medical Handheld Device.
Industrial HMI with Segmented LCD
The PIC24FJ512GU406-E/PT is well suited for industrial human-machine interface (HMI) panels that combine a segmented character or graphical LCD with multiple push buttons and sensor inputs. The integrated segment LCD controller drives up to several hundred segments directly without an external LCD driver, freeing PCB area and BOM cost. The 32 KB RAM buffers menu structures and the 16 MIPS core runs display refresh plus application logic in real time. The dual-partition 512 KB Flash allows secure OTA firmware updates from a connected host or wireless module, critical for fielded industrial equipment. With -40 C to +125 C operation the device tolerates cabinet temperatures in factory floors and outdoor installations.
推荐
USB-Connected Sensor Hub
The PIC24FJ512GU406-E/PT provides a compact single-chip solution for USB-connected sensor hubs used in laboratory, medical, and industrial test equipment. The on-chip USB 2.0 full-speed transceiver and full device stack (Microchip USB framework) eliminate external PHY or interface chips, exposing the device as a CDC, HID, or vendor-class endpoint to a host PC. With 512 KB Flash the MCU can host both USB stack and complex sensor-processing algorithms, while the 12-bit ADC plus DMA captures multi-channel sensor data without CPU load. The 64-pin TQFP package keeps the PCB small enough for inline dongle-style enclosures.
推荐
Automotive Body Control Module
The PIC24FJ512GU406-E/PT's AEC-Q100 qualification and -40 C to +125 C extended temperature range make it a strong fit for automotive body control modules that manage lighting, mirrors, wipers, and accessory loads. CAN-FD is not native to this part but LIN and UART peripherals handle sub-network communication, while PWM and CCP outputs drive LED matrices and motor loads. The 512 KB dual-partition Flash allows OEMs to deliver OTA calibration updates during service, and the on-chip 12-bit ADC reads multiple analog sensors (temperature, current, position) simultaneously. The 64-pin TQFP footprint eases layout migration across multiple body-control PCB variants.
推荐
Home Appliance with LCD User Interface
The PIC24FJ512GU406-E/PT is a drop-in fit for white-goods appliances such as washing machines, dishwashers, ovens, and coffee machines that combine a segmented LCD with rotary encoder input and relay-driven motor or heater loads. The on-chip segment LCD driver displays cycle status, temperature, and timer data without an external driver, and the 16 MIPS core runs motor-control algorithms plus UI logic in real time. The 512 KB Flash accommodates multi-language firmware and graphic icons, while the OTA dual-partition capability allows manufacturers to push bug fixes or new cycles after sale. Low-power Sleep modes help appliances meet standby energy regulations.
推荐
Low-Power IoT Edge Node
The PIC24FJ512GU406-E/PT enables low-power IoT edge nodes that require local processing, OTA firmware maintenance, and segmented or small graphical displays. The PIC24FJ Sleep mode with RTC retention draws microamp-level current, allowing battery-powered nodes to wake on external interrupts, read sensors, transmit via UART-attached radio, and return to sleep. The dual-partition Flash architecture supports OTA firmware push from the radio module, critical for remote or sealed installations. The 12-bit ADC, multiple UART/SPI/I2C peripherals, and PWM outputs let the MCU drive diverse sensor and actuator combinations with no external glue logic.
推荐
Medical Handheld Device
The PIC24FJ512GU406-E/PT is appropriate for medical handheld devices such as glucose meters, pulse oximeters, and portable diagnostic readers that integrate a small LCD, button input, and battery power. The PIC24FJ Sleep/Idle/Doze modes extend battery life across weeks of intermittent use, while the 12-bit ADC delivers sufficient resolution for optical or electrochemical sensor front-ends. The 512 KB Flash accommodates complex measurement algorithms and on-device UI in multiple languages, and the dual-partition layout supports future regulatory-mandated firmware updates. The extended temperature range supports clinical and home environments from refrigerator to tropical climates.
推荐
推荐产品汇总
工程参考数据： PIC24FJ512GU406-E/PT ——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 | PIC24FJ512GL406-E/PT | PIC24FJ512GU410-E/PT | PIC24FJ256GU406-E/PT | PIC24FJ512GU406-I/PT | PIC24FJ128GU406-I/PT |
|---|---|---|---|---|---|---|
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP - same | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 512 KB dual-partition ECC | 512 KB dual-partition ECC | 512 KB dual-partition ECC | 256 KB dual-partition ECC | 512 KB dual-partition ECC | 128 KB dual-partition ECC |
| USB Controller | USB 2.0 Full-Speed | No USB | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed |
| RAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| Operating Temperature Range | -40 C to +125 C (E grade) | -40 C to +125 C (E grade) | -40 C to +125 C (E grade) | -40 C to +125 C (E grade) | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) |
| AEC-Q100 Qualified | Yes (E grade) | Yes (E grade) | Yes (E grade) | Yes (E grade) | No (industrial) | No (industrial) |
| Approx. Unit Price (qty 1) | $4.05 (as of 2026-09-30) | $3.80 (estimate) | $4.20 (estimate) | $3.65 (estimate) | $3.85 (estimate) | $3.40 (estimate) |
| OTA Dual-Partition Flash | Yes | Yes | Yes | Yes | Yes | Yes |
关键差异点
- Dual-partition ECC Flash with live OTA update capability （对比 PIC24FJ512GL406-E/PT)
- Extended temperature grade (-40 C to +125 C) with AEC-Q100 qualification （对比 PIC24FJ512GU406-I/PT)
- Maximum Flash (512 KB) within the 64-pin TQFP package option （对比 PIC24FJ256GU406-E/PT)
- Integrated USB, segment LCD, and Core Independent Peripherals on one die （对比 PIC24FJ128GU406-I/PT)
设计说明
Route the USB D+ (pin 38) and D- (pin 37) lines as a 90 ohm differential pair with continuous reference plane on the layer below, keep total length under 50 mm, and place the VUSB decoupling capacitor (typically 100 nF) within 2 mm of the VUSB pin (39). Source: Microchip PIC24FJ 'GU4' family datasheet, USB hardware design guidelines section.
Place a 10 uF bulk capacitor and a 100 nF decoupling capacitor within 3 mm of each VDD/VSS pair (pins 17/18 and 35/36). For battery-powered designs, leverage the PIC24FJ Sleep and Deep Sleep modes and route the RTCC from a secondary crystal to retain timekeeping at < 1 uA system current.
Before enabling live OTA updates, the dual-partition Flash must be configured through the device configuration bits (FSEC, FBTSEQ, FBOOT) so the bootloader can swap partitions safely. Without this configuration the device may brick during the first OTA attempt. Configure the partition size to match the application's runtime Flash footprint plus a margin of at least 32 KB for the bootloader itself.
Keep the 32.768 kHz secondary crystal traces short and surrounded by ground guard ring to minimize RTC drift. The primary high-speed crystal (8-32 MHz) traces should also be short and routed away from switching signals. According to Microchip oscillator design notes, total capacitive loading including stray capacitance should match the crystal's load specification within +/- 2 pF for stable start-up.
合规信息
RoHS and REACH compliant per Microchip product page. The 'E' suffix indicates AEC-Q100 qualification for automotive applications. Lead-free terminal finish confirmed via Microchip packaging information.
