PIC24FJ512GU410-E/PT - 512KB Flash USB LCD MCU | Microchip
MPN: PIC24FJ512GU410-E/PT ✓ Hoạt độngPIC24FJ512GU410-E/PT Tóm tắt
A 16-bit microcontroller (MCU) is a programmable processor with a 16-bit data path, instruction word, and register width. Within the embedded hierarchy it sits between 8-bit MCUs (lower cost, simpler peripherals) and 32-bit ARM Cortex-M MCUs (higher performance, richer ecosystems). The PIC24F family specifically targets ultra-low-power and mixed-signal applications, and the GU4/GL4 sub-family adds dual-partition Flash for live Over-The-Air (OTA) firmware updates without device downtime - a critical capability for connected products deployed in the field.
Key features include 512 KB of ECC-protected Flash supporting Dual Partition / EEPROM Emulation, 32 KB SRAM, a 14-channel 12-bit ADC, four I2C, four SPI, and five UART peripherals, plus a hardware Cryptographic Engine (AES, DES, 3DES, SHA, MD5, and RNG). Core-independent peripherals (CIPs) such as Configurable Logic Cells (CLC), Multiple Output Capture/Compare/PWM, and a 32-bit Real-Time Clock Calendar enable event-driven designs that minimize CPU wake-ups and reduce average power consumption below 1 uA in Deep Sleep mode.
The device's architecture combines a modified Harvard bus with a 16-bit instruction word and 24-bit instruction address space, giving a deterministic interrupt latency of 5 cycles. The full-speed USB 2.0 peripheral with integrated PHY supports HID, CDC, MSD, and Vendor classes without an external transceiver. The segmented LCD driver can directly control up to 480 pixels (8 commons x 60 segments) with internal charge pump and contrast bias generation, eliminating the need for an external LCD bias network.
Typical applications include low-power IoT sensor nodes with OTA firmware update capability, USB HID human-interface devices (keyboards, mice, touch panels), medical devices such as glucose meters and infusion pumps, industrial HMI panels with integrated LCD, secure authentication tokens using the on-chip AES engine, and home automation controllers with segmented displays. The wide operating temperature range of -40C to +125C (E suffix indicates Extended temperature grade) also supports outdoor and industrial deployments.
When designing with this device, allocate pin remapping carefully between the LCD segment bus and parallel master port functions - they share pins and cannot be used simultaneously. Ensure the dual-partition Flash bootloader (Boot-Secure mode) is provisioned before locking the configuration registers, and consider using the on-chip Crypto Engine to offload AES-256 from the CPU rather than implementing it in firmware.
This page synthesizes DigiKey/Mouser pricing, drop-in TQFP-100 alternatives from the PIC24FJ family, and practical low-power design notes that go beyond the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ512GU410-E/PT — 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 PIC24FJ512GU410-E/PT (cùng hình factor và footprint) — khác nhau ở USB, Package, ADC, LCD Controller, Operating Temperature.
PIC24FJ512GU410-I/PT
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Xem tài liệu →PIC24FJ256GU410-I/PT
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Xem tài liệu →PIC24FJ256GU406-I/PT
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Xem tài liệu →PIC24FJ512GU410-E/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC24F (16-bit modified Harvard) |
| Program Memory (Flash) | 512 KB with ECC |
| Data EEPROM Emulation | Via dual-partition Flash |
| SRAM | 32 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| Nhiệt độ hoạt động | -40 C to +125 C (Extended, E suffix) |
| ADC | 12-bit, up to 20 channels |
| USB | USB 2.0 Full-Speed with on-chip PHY |
| LCD Controller | Up to 480 segments (8 COM x 60 SEG) with charge pump |
| Crypto Engine | AES, DES, 3DES, SHA, MD5, RNG |
| UART / SPI / I2C | 5 UART / 4 SPI / 4 I2C |
| Timers | Multiple 16-bit and 32-bit timers |
| RTC | Real-Time Clock Calendar with VBAT retention |
| Hộp | 100-pin TQFP (PT), 12x12 mm |
| Trạng thái RoHS | Compliant |
| Kiểu lắp đặt | Surface Mount |
Cấu hình chân PIC24FJ512GU410-E/PT
| Chân 1 | SDA3/RP17/PMD11/RF6 — I2C3 SDA / remappable peripheral / PMP data |
| Chân 2 | SCL3/RP18/PMD10/RF5 — I2C3 SCL / remappable peripheral / PMP data |
| Chân 3 | RP19/PMD9/RF4 — Remappable peripheral / PMP data |
| Chân 4 | RP20/PMD8/RF3 — Remappable peripheral / PMP data |
| Chân 5 | AN17/RP21/CN21/RG6 — Analog input / remappable peripheral / change notification |
| Chân 6 | AN18/RP22/CN22/RG7 — Analog input / remappable peripheral / change notification |
| Chân 7 | AN19/RP23/CN23/RG8 — Analog input / remappable peripheral / change notification |
| Chân 8 | AN20/RP24/CN24/RG9 — Analog input / remappable peripheral / change notification |
| Chân 9 | VSS — Ground reference |
| Chân 10 | VDD — Positive supply voltage (2.0 V to 3.6 V) |
| Chân 11 | SOSCI/RPC13 — Secondary oscillator input / remappable peripheral |
| Chân 12 | SOSCO/RPC14 — Secondary oscillator output / remappable peripheral |
| Chân 13 | RTCC/RP29 — Real-Time Clock Calendar output / remappable peripheral |
| Chân 14 | VBAT — RTCC battery backup supply |
| Chân 15 | RA0/AN0/CVD1 — Port A bit 0 / analog input / CVD |
| Chân 16 | RA1/AN1/CVD2 — Port A bit 1 / analog input / CVD |
| Chân 17 | RA2/AN2 — Port A bit 2 / analog input |
| Chân 18 | RA3/AN3 — Port A bit 3 / analog input |
| Chân 19 | RA4/AN4 — Port A bit 4 / analog input |
| Chân 20 | RA5/AN5 — Port A bit 5 / analog input |
| Chân 21 | RA6/AN6 — Port A bit 6 / analog input |
| Chân 22 | RA7/AN7 — Port A bit 7 / analog input |
| Chân 23 | VDD — Positive supply voltage |
| Chân 24 | VSS — Ground reference |
| Chân 25 | RB0/AN8 — Port B bit 0 / analog input |
| Chân 26 | RB1/AN9 — Port B bit 1 / analog input |
| Chân 27 | RB2/AN10 — Port B bit 2 / analog input |
| Chân 28 | RB3/AN11 — Port B bit 3 / analog input |
| Chân 29 | RB4/AN12 — Port B bit 4 / analog input |
| Chân 30 | RB5/AN13 — Port B bit 5 / analog input |
| Chân 31 | RB6/AN14 — Port B bit 6 / analog input |
| Chân 32 | RB7/AN15 — Port B bit 7 / analog input |
| Chân 33 | RC1/T1CK — Port C bit 1 / Timer1 clock input |
| Chân 34 | RC2/AN16 — Port C bit 2 / analog input |
| Chân 35 | RC3/AN21 — Port C bit 3 / analog input |
| Chân 36 | RC4/AN22 — Port C bit 4 / analog input |
| Chân 37 | VDD — Positive supply voltage |
| Chân 38 | VSS — Ground reference |
| Chân 39 | RD0 — Port D bit 0 |
| Chân 40 | RD1 — Port D bit 1 |
| Chân 41 | RD2 — Port D bit 2 |
| Chân 42 | RD3 — Port D bit 3 |
| Chân 43 | RD4 — Port D bit 4 |
| Chân 44 | RD5 — Port D bit 5 |
| Chân 45 | RD6 — Port D bit 6 |
| Chân 46 | RD7 — Port D bit 7 |
| Chân 47 | RE0 — Port E bit 0 |
| Chân 48 | RE1 — Port E bit 1 |
| Chân 49 | RE2 — Port E bit 2 |
| Chân 50 | RE3 — Port E bit 3 |
| Chân 51 | RE4 — Port E bit 4 |
| Chân 52 | RE5 — Port E bit 5 |
| Chân 53 | RE6 — Port E bit 6 |
| Chân 54 | RE7 — Port E bit 7 |
| Chân 55 | RF0 — Port F bit 0 |
| Chân 56 | RF1 — Port F bit 1 |
| Chân 57 | RG2 — Port G bit 2 |
| Chân 58 | RG3 — Port G bit 3 |
| Chân 59 | VDD — Positive supply voltage |
| Chân 60 | VSS — Ground reference |
| Chân 61 | RH0 — Port H bit 0 |
| Chân 62 | RH1 — Port H bit 1 |
| Chân 63 | RH2 — Port H bit 2 |
| Chân 64 | RH3 — Port H bit 3 |
| Chân 65 | RH4 — Port H bit 4 |
| Chân 66 | RH5 — Port H bit 5 |
| Chân 67 | RH6 — Port H bit 6 |
| Chân 68 | RH7 — Port H bit 7 |
| Chân 69 | RJ0 — Port J bit 0 |
| Chân 70 | RJ1 — Port J bit 1 |
| Chân 71 | RJ2 — Port J bit 2 |
| Chân 72 | RJ3 — Port J bit 3 |
| Chân 73 | VDD — Positive supply voltage |
| Chân 74 | VSS — Ground reference |
| Chân 75 | D+ — USB D+ differential data line |
| Chân 76 | D- — USB D- differential data line |
| Chân 77 | VBUS — USB VBUS sensing input (5 V tolerant) |
| Chân 78 | RC12/OSC1/CLKIN — Primary oscillator input / external clock input |
| Chân 79 | RC15/OSC2/CLKOUT — Primary oscillator output / clock output |
| Chân 80 | MCLR — Master clear reset input (active low) |
| Chân 81 | RA8/INT1 — Port A bit 8 / external interrupt 1 |
| Chân 82 | RA9/INT2 — Port A bit 9 / external interrupt 2 |
| Chân 83 | RA10/INT3 — Port A bit 10 / external interrupt 3 |
| Chân 84 | RA11/INT4 — Port A bit 11 / external interrupt 4 |
| Chân 85 | RB8 — Port B bit 8 |
| Chân 86 | RB9 — Port B bit 9 |
| Chân 87 | RB10 — Port B bit 10 |
| Chân 88 | RB11 — Port B bit 11 |
| Chân 89 | RB12 — Port B bit 12 |
| Chân 90 | RB13 — Port B bit 13 |
| Chân 91 | RB14 — Port B bit 14 |
| Chân 92 | RB15 — Port B bit 15 |
| Chân 93 | VSS — Ground reference |
| Chân 94 | VDD — Positive supply voltage |
| Chân 95 | RG0 — Port G bit 0 |
| Chân 96 | RG1 — Port G bit 1 |
| Chân 97 | RG12 — Port G bit 12 |
| Chân 98 | RG13 — Port G bit 13 |
| Chân 99 | RG14 — Port G bit 14 |
| Chân 100 | RG15 — Port G bit 15 |
Ứng dụng tiêu biểu
PIC24FJ512GU410-E/PT phù hợp cho 6 Áp dụngs: Low-Power IoT Sensor Nodes with OTA Firmware Updates, USB HID Human-Interface Devices, Medical Devices with Integrated LCD, Industrial HMI Panels with Segmented LCD, Secure Authentication Tokens, Home Automation Controllers with Display.
Low-Power IoT Sensor Nodes with OTA Firmware Updates
The PIC24FJ512GU410-E/PT is an excellent fit for battery-powered IoT sensor nodes that require reliable over-the-air firmware updates in the field. Its 512 KB Dual Partition Flash supports live A/B firmware swap so devices stay connected during updates, and the integrated USB 2.0 Full-Speed PHY simplifies direct-to-USB provisioning via USB-C or Micro-B connectors. The hardware Cryptographic Engine offloads AES-256 and SHA verification, reducing CPU wake time and average power consumption - the device consumes well under 100 uA average in Deep Sleep with RTCC retention. Engineers commonly pair it with sub-GHz transceivers or BLE modules over UART/SPI for full-stack sensor-node designs.
Được đề xuất
USB HID Human-Interface Devices
The PIC24FJ512GU410-E/PT serves as a USB HID controller in keyboards, mice, touch panels, and industrial control surfaces thanks to its integrated USB 2.0 Full-Speed PHY and 32 KB of RAM for HID report buffers. The 32 MIPS core provides ample headroom for matrix-scanning debouncing, multi-touch gesture detection, and RGB backlight control. Five UART peripherals support external wireless receivers (Bluetooth dongles), while the 12-bit ADC handles analog joysticks or potentiometer inputs. The 100-pin TQFP provides enough GPIO for large keyboard matrices (8x16 or more) without external I/O expanders.
Được đề xuất
Medical Devices with Integrated LCD
The PIC24FJ512GU410-E/PT is well suited to medical products such as glucose meters, infusion pumps, and patient monitors where the integrated 480-segment segmented LCD controller eliminates external display drivers. The on-chip LCD charge pump provides bias for high-contrast direct-drive displays even from a single 3 V battery. The hardware AES-256 engine and secure Dual Partition OTA boot enable HIPAA-friendly firmware integrity verification and authenticated wireless updates. The -40 C to +125 C extended temperature range supports storage and operational requirements of medical-grade equipment.
Được đề xuất
Industrial HMI Panels with Segmented LCD
In industrial HMI panels and operator interfaces, the PIC24FJ512GU410-E/PT combines a 480-segment LCD controller, 12-bit ADC for analog sensor inputs (4-20 mA loops, thermistors), and hardware crypto for secure field commissioning. The 100-pin TQFP provides GPIO for matrix keypads, LED indicators, and isolated serial interfaces. Four SPI and four I2C channels support external isolated transceivers for RS-485 Modbus or CAN connectivity. The Extended temperature grade and ECC Flash make it attractive for factory-floor controllers that must run reliably for years.
Được đề xuất
Secure Authentication Tokens
The PIC24FJ512GU410-E/PT's hardware Cryptographic Engine (AES, DES, 3DES, SHA-256, MD5, and RNG) makes it a strong choice for hardware authenticators and secure key-fob devices. The integrated USB Full-Speed PHY supports USB HID or CCID smartcard-class devices without external bridge chips. Dual Partition Flash with secure boot allows safe firmware upgrades while preventing rollback attacks. The 32 KB SRAM accommodates TLS handshake scratch memory for low-overhead authentication protocols in IoT gateways and access control readers.
Được đề xuất
Home Automation Controllers with Display
Home automation hubs, smart thermostats, and appliance controllers benefit from the PIC24FJ512GU410-E/PT's combination of segmented LCD driver, USB connectivity, and low-power Deep Sleep modes. The device can stay connected to a wireless transceiver over UART or SPI while maintaining the segmented LCD user interface at near-zero standby power. Dual Partition OTA lets manufacturers push new feature updates or security patches to deployed thermostats without service calls. Five UART ports allow simultaneous connections to Wi-Fi, BLE, sub-GHz, and Zigbee modules.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ512GU410-E/PT — 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 | PIC24FJ512GU410-I/PT | PIC24FJ512GL410-I/PT | PIC24FJ512GL410-E/PT | PIC24FJ256GU410-I/PT | PIC24FJ256GU406-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-100 (PT) 12x12 mm | TQFP-100 (PT) 12x12 mm - same | TQFP-100 (PT) 12x12 mm - same | TQFP-100 (PT) 12x12 mm - same | TQFP-100 (PT) 12x12 mm - same | TQFP-100 (PT) 12x12 mm - same |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 256 KB (-50%) |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| 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 |
| USB | USB 2.0 Full-Speed with PHY | USB 2.0 Full-Speed with PHY | USB 2.0 Full-Speed with PHY | USB 2.0 Full-Speed with PHY | USB 2.0 Full-Speed with PHY | USB 2.0 Full-Speed with PHY |
| Crypto Engine | AES, DES, 3DES, SHA, MD5, RNG | AES, DES, 3DES, SHA, MD5, RNG | Not included | Not included | AES, DES, 3DES, SHA, MD5, RNG | AES, DES, 3DES, SHA, MD5, RNG |
| LCD Segments | Up to 480 segments (8x60) | Up to 480 segments | Up to 480 segments | Up to 480 segments | Up to 480 segments | Reduced LCD segment count |
| Temperature Grade | Extended -40 C to +125 C (E) | Industrial -40 C to +85 C (I) | Industrial -40 C to +85 C (I) | Extended -40 C to +125 C (E) | Industrial -40 C to +85 C (I) | Industrial -40 C to +85 C (I) |
Bảo phân biệt quan trọng
- Higher operating temperature range for industrial deployments (vsPIC24FJ512GU410-I/PT)
- On-chip hardware Cryptographic Engine (vsPIC24FJ512GL410-I/PT)
- Larger Flash memory for OTA firmware space (vsPIC24FJ256GU410-I/PT)
Ghi chú thiết kế
Power supply decoupling for the PIC24FJ512GU410-E/PT requires a 100 nF ceramic capacitor placed within 3 mm of each VDD pin pair, plus a single 4.7 uF bulk capacitor near the device, per Microchip PIC24FJ family hardware design notes. The USB VBUS pin requires its own 4.7 uF bulk capacitor to supply transient current during USB events. Place a 10 kohm pull-up on MCLR if not driven by an external supervisor, and ensure the VBAT pin connects to a backup battery or to VDD through a low-leakage diode if RTCC retention is required during main power loss.
USB D+ and D- traces must be routed as a 90-ohm differential pair with matched length (delta < 2 mm) and a continuous ground reference plane beneath them, per USB 2.0 High-Speed layout guidelines. The 100-pin TQFP package benefits from a 4-layer PCB with a dedicated ground plane to reduce EMI and to provide thermal relief for the 1.0 W to 1.5 W maximum power dissipation. Decoupling capacitors should use vias placed as close to the VDD/VSS pads as possible, ideally with multiple vias to reduce parasitic inductance.
A common pitfall when designing with the PIC24FJ512GU410-E/PT is forgetting that LCD segment pins are multiplexed with other peripherals - selecting an LCD function reassigns the corresponding GPIO. Also, the Dual Partition OTA bootloader requires configuration bits and table reads in the IVT before locking the config; doing it out of order can brick the device. When migrating from the I-grade to E-grade variant, verify that your crystal oscillator's ESR is within the E-grade's tighter tolerance, and check that all analog references account for the wider -40 C to +125 C temperature swing.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page; not AEC-Q100 qualified - choose PIC24FJ512GB610 or similar AEC-Q100 PIC24FJ parts for automotive. Halogen-free per Microchip environmental compliance documentation.
