PIC24FJ512GL408-E/PT - 16-bit MCU 512KB Flash LCD USB TQFP-80
MPN: PIC24FJ512GL408-E/PT ✓ Hoạt độngPIC24FJ512GL408-E/PT Tóm tắt
A 16-bit microcontroller (MCU) is a microprocessor that processes data 16 bits at a time, sitting between 8-bit MCUs and 32-bit MCUs in the embedded hierarchy. Within that hierarchy, the PIC24F belongs to Microchip's PIC24 family -> 16-bit MCU class -> microcontroller -> embedded processor -> semiconductor. The 'F' suffix denotes Flash program memory and CMOS process, while 'J' indicates the low-power eXtreme Low Power (XLP) technology platform. Dual Partition Flash enables live Over-The-Air (OTA) firmware updates by allowing one partition to run while the other is reprogrammed.
Key features include 512KB ECC Flash (organized as Dual Partition for OTA updates), 32KB SRAM, integrated segmented LCD driver (typically up to 480 segments), 24-channel 10/12-bit ADC, 1x 10-bit DAC, Core Independent Peripherals (CIPs) such as CLC, MCCP, and PWM, full-speed USB 2.0 with OTG, and 4-bit PMP/EPMP. Operating voltage ranges from 2.0V to 3.6V with multiple low-power sleep modes and nanoWatt XLP technology for battery-sensitive designs.
Architecturally, the PIC24FJ512GL408 uses a modified Harvard architecture with 24-bit instruction words and 16-bit data path. The device integrates hardware cryptographic support, JTAG programming/debug interface, and up to 69 I/O pins. The dual-partition Flash is critical for safety-critical and OTA-update designs where firmware cannot be interrupted during field upgrades.
Typical applications include low-power human-machine interface (HMI) panels with integrated LCD, USB-connected industrial sensors and instrumentation, secure IoT edge nodes with OTA capability, medical point-of-care devices with display readouts, and consumer appliances with segmented LCD user interfaces. The wide operating temperature range (-40C to +125C) and integrated USB make it a strong fit for portable and field-deployed embedded designs.
When designing with this device, choose the appropriate Flash partition scheme for OTA updates early in firmware planning. Decoupling capacitors near VDD/AVDD pins and proper USB D+/D- trace impedance (90 ohms differential) are essential for reliable USB operation. Always verify segment assignments against the specific LCD glass specifications in the datasheet's LCD chapter.
This page synthesizes distributor pricing, drop-in alternative listings from the PIC24F family, and practical design notes not aggregated in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ512GL408-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 PIC24FJ512GL408-E/PT (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Package, USB, ADC, LCD Controller.
PIC24FJ512GL408-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256GL408-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256GL410-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ512GL406-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ128GL406-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ128GU406-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ512GL408-E/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC24F (16-bit modified Harvard) |
| Family | PIC24FJ 'GU4/GL4' |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Flash | 512 KB (Dual Partition, ECC) |
| SRAM | 32 KB |
| Operating Voltage (VDD) | 2.0 V to 3.6 V |
| Nhiệt độ hoạt động | -40 C to +125 C (E grade) |
| ADC | 24 channels x 10/12-bit |
| DAC | 1 x 10-bit |
| USB | USB 2.0 Full-Speed Device/Host/OTG |
| LCD Driver | Integrated, up to 480 segments (verify per glass) |
| Timers | Multiple 16-bit and 32-bit timers (MCCP/SCCP) |
| I/O Pins | Up to 69 (verify by package) |
| Hộp | 80-pin TQFP (PT), 12x12 mm |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Programming/Debug | JTAG, ICSP (4-wire) |
| Low-Power Modes | nanoWatt XLP (Sleep/Idle/Deep Sleep) |
Cấu hình chân PIC24FJ512GL408-E/PT
| Chân 1 | RE0 — Port E bit 0 (I/O or LCD SEG) |
| Chân 2 | RE1 — Port E bit 1 (I/O or LCD SEG) |
| Chân 3 | RE2 — Port E bit 2 (I/O or LCD SEG) |
| Chân 4 | RE3 — Port E bit 3 (I/O or LCD SEG) |
| Chân 5 | RE4 — Port E bit 4 (I/O or LCD SEG) |
| Chân 6 | RE5 — Port E bit 5 (I/O or LCD SEG) |
| Chân 7 | RE6 — Port E bit 6 (I/O or LCD SEG) |
| Chân 8 | RE7 — Port E bit 7 (I/O or LCD SEG) |
| Chân 9 | RG6 — Port G bit 6 (I/O or LCD SEG) |
| Chân 10 | RG7 — Port G bit 7 (I/O or LCD SEG) |
| Chân 11 | RG8 — Port G bit 8 (I/O or LCD SEG) |
| Chân 12 | MCLR — Master Clear (reset, active low) |
| Chân 13 | RG9 — Port G bit 9 (I/O or LCD SEG) |
| Chân 14 | VDD — Positive supply voltage (2.0-3.6V) |
| Chân 15 | VSS — Ground reference |
| Chân 16 | VDD — Positive supply voltage |
| Chân 17 | ENVREG — Voltage regulator enable |
| Chân 18 | AVDD — Analog positive supply |
| Chân 19 | AVSS — Analog ground |
| Chân 20 | RB0 — Port B bit 0 (I/O or AN0) |
| Chân 21 | RB1 — Port B bit 1 (I/O or AN1) |
| Chân 22 | RB2 — Port B bit 2 (I/O or AN2) |
| Chân 23 | RB3 — Port B bit 3 (I/O or AN3) |
| Chân 24 | RB4 — Port B bit 4 (I/O or AN4) |
| Chân 25 | RB5 — Port B bit 5 (I/O or AN5) |
| Chân 26 | RB6 — Port B bit 6 (I/O or AN6 or ICD PGC) |
| Chân 27 | RB7 — Port B bit 7 (I/O or AN7 or ICD PGD) |
| Chân 28 | RB8 — Port B bit 8 (I/O or AN8) |
| Chân 29 | RB9 — Port B bit 9 (I/O or AN9) |
| Chân 30 | RB10 — Port B bit 10 (I/O or AN10) |
| Chân 31 | RB11 — Port B bit 11 (I/O or AN11) |
| Chân 32 | RB12 — Port B bit 12 (I/O or AN12) |
| Chân 33 | RB13 — Port B bit 13 (I/O or AN13) |
| Chân 34 | RB14 — Port B bit 14 (I/O or AN14) |
| Chân 35 | RB15 — Port B bit 15 (I/O or AN15) |
| Chân 36 | VSS — Ground |
| Chân 37 | VDD — Positive supply |
| Chân 38 | RC1 — Port C bit 1 (I/O or AN17) |
| Chân 39 | RC2 — Port C bit 2 (I/O or AN18) |
| Chân 40 | RC3 — Port C bit 3 (I/O or AN19) |
| Chân 41 | RC4 — Port C bit 4 (I/O or AN20) |
| Chân 42 | RD0 — Port D bit 0 (I/O or AN24) |
| Chân 43 | RD1 — Port D bit 1 (I/O or AN25) |
| Chân 44 | RD2 — Port D bit 2 (I/O or AN26) |
| Chân 45 | RD3 — Port D bit 3 (I/O or AN27) |
| Chân 46 | RD4 — Port D bit 4 (I/O or AN28) |
| Chân 47 | RD5 — Port D bit 5 (I/O or AN29) |
| Chân 48 | RD6 — Port D bit 6 (I/O or AN30) |
| Chân 49 | RD7 — Port D bit 7 (I/O or AN31) |
| Chân 50 | RD8 — Port D bit 8 (I/O) |
| Chân 51 | RD9 — Port D bit 9 (I/O) |
| Chân 52 | RD10 — Port D bit 10 (I/O) |
| Chân 53 | RD11 — Port D bit 11 (I/O) |
| Chân 54 | RD12 — Port D bit 12 (I/O) |
| Chân 55 | RD13 — Port D bit 13 (I/O) |
| Chân 56 | RD14 — Port D bit 14 (I/O) |
| Chân 57 | RD15 — Port D bit 15 (I/O) |
| Chân 58 | VSS — Ground |
| Chân 59 | VDD — Positive supply |
| Chân 60 | RF0 — Port F bit 0 (I/O or LCD SEG) |
| Chân 61 | RF1 — Port F bit 1 (I/O or LCD SEG) |
| Chân 62 | RF2 — Port F bit 2 (I/O or LCD SEG) |
| Chân 63 | RF3 — Port F bit 3 (I/O or LCD SEG) |
| Chân 64 | RF4 — Port F bit 4 (I/O or LCD SEG) |
| Chân 65 | RF5 — Port F bit 5 (I/O or LCD SEG) |
| Chân 66 | RF6 — Port F bit 6 (I/O or LCD SEG) |
| Chân 67 | RF7 — Port F bit 7 (I/O or LCD SEG) |
| Chân 68 | RF8 — Port F bit 8 (I/O or LCD SEG) |
| Chân 69 | RG0 — Port G bit 0 (I/O or LCD SEG) |
| Chân 70 | RG1 — Port G bit 1 (I/O or LCD SEG) |
| Chân 71 | OSC1 — Crystal oscillator input |
| Chân 72 | OSC2 — Crystal oscillator output |
| Chân 73 | RG2 — Port G bit 2 (I/O or LCD SEG) |
| Chân 74 | RG3 — Port G bit 3 (I/O or LCD SEG) |
| Chân 75 | D+ — USB data plus |
| Chân 76 | D- — USB data minus |
| Chân 77 | VBUS — USB VBUS detect (5V tolerant) |
| Chân 78 | RG12 — Port G bit 12 (I/O or LCD SEG) |
| Chân 79 | RG13 — Port G bit 13 (I/O or LCD SEG) |
| Chân 80 | RG14 — Port G bit 14 (I/O or LCD SEG) |
Ứng dụng tiêu biểu
PIC24FJ512GL408-E/PT phù hợp cho 6 Áp dụngs: Low-Power HMI Panels with Integrated LCD, USB-Connected Industrial Sensors and Instrumentation, Secure IoT Edge Nodes with OTA Updates, Medical Point-of-Care Devices with Display Readouts, Consumer Appliances with Segmented LCD Interfaces, Battery-Powered Field Data Loggers.
Low-Power HMI Panels with Integrated LCD
The PIC24FJ512GL408-E/PT is purpose-built for low-power human-machine interface panels with integrated segmented LCD readouts. Its integrated LCD driver supports up to 480 segments, eliminating the need for an external LCD controller IC and reducing BOM cost in industrial control panels, thermostat displays, and appliance front-panel interfaces. The 512KB Dual Partition Flash enables live OTA firmware updates in deployed panels, while the 32KB SRAM supports rich menu systems and graphics rendering. Operating from 2.0V to 3.6V, the part handles battery-backed and 3.3V-regulated industrial rails equally well, with nanoWatt XLP deep-sleep currents under 1 uA for battery-powered handheld HMIs.
Được đề xuất
USB-Connected Industrial Sensors and Instrumentation
With its integrated full-speed USB 2.0 Device/Host/OTG controller, the PIC24FJ512GL408-E/PT is well suited for USB-connected industrial sensor modules and benchtop instrumentation. The 24-channel 10/12-bit ADC handles multiple analog sensor inputs (temperature, pressure, flow) without external signal conditioning, while the 1x 10-bit DAC supports calibration output or analog setpoint generation. USB-CDC and USB-HID classes eliminate custom driver requirements on host PCs, accelerating time-to-market for measurement instruments. The 32 MHz / 16 MIPS core comfortably runs USB stacks, ADC sampling, and display updates concurrently.
Được đề xuất
Secure IoT Edge Nodes with OTA Updates
The PIC24FJ512GL408-E/PT is an excellent fit for IoT edge nodes requiring secure Over-The-Air firmware updates. Its 512KB Dual Partition Flash allows one partition to run while the other is reprogrammed via Wi-Fi, Bluetooth, or LoRa companion modules, enabling seamless remote upgrades without service interruption. Hardware crypto accelerators and JTAG-based secure programming protect firmware IP, while the low-power XLP modes extend battery life in solar- or battery-harvested deployments. The integrated USB adds a wired commissioning/configuration interface for initial setup and factory provisioning.
Được đề xuất
Medical Point-of-Care Devices with Display Readouts
Medical point-of-care devices benefit from the PIC24FJ512GL408-E/PT's combination of integrated LCD support, USB connectivity for data transfer to hospital information systems, and extended temperature operation for clinical environments. The 24-channel 12-bit ADC supports precision sensor measurements for blood glucose, hemoglobin, and electrolyte analyzers, while the integrated segmented LCD driver directly drives multi-character result displays without additional driver ICs. The 32KB SRAM accommodates patient data buffering and onboard calibration tables. Extended operating temperature (-40 C to +125 C) ensures reliability in refrigerated storage and warm clinical settings.
Được đề xuất
Consumer Appliances with Segmented LCD Interfaces
Washing machines, dishwashers, microwave ovens, and HVAC controllers increasingly use segmented LCD user interfaces, and the PIC24FJ512GL408-E/PT targets exactly this application segment. The integrated LCD driver handles up to 480 segments, supporting complex icons, multi-digit numeric displays, and status indicators without external hardware. The 512KB Flash accommodates full feature sets including multilingual menus, energy-monitoring algorithms, and connectivity stacks. Operating from 2.0V to 3.6V, the part works with both battery-backed RTC designs and direct 3.3V regulator outputs from the main SMPS.
Được đề xuất
Battery-Powered Field Data Loggers
Portable battery-powered data loggers for environmental monitoring, asset tracking, and field telemetry benefit from the PIC24FJ512GL408-E/PT's nanoWatt XLP low-power modes, USB charging interface, and integrated segmented LCD for local status display. Deep-sleep currents under 1 uA allow multi-year operation from a single coin cell when waking periodically for sensor sampling. The 512KB Dual Partition Flash supports OTA firmware updates over LoRa or BLE companion modules without field returns. The 24-channel ADC and 1x DAC support diverse sensor types including temperature, humidity, pressure, and 4-20 mA industrial loops.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ512GL408-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 | PIC24FJ512GL408-I/PT | PIC24FJ256GL408-E/PT | PIC24FJ256GL410-E/PT | PIC24FJ512GL406-I/PT |
|---|---|---|---|---|---|
| Package | TQFP-80 (PT) 12x12 mm | TQFP-80 (PT) - same | TQFP-80 (PT) - same | TQFP-80 (PT) - same | TQFP-80 (PT) - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Flash Memory | 512 KB (Dual Partition) | 512 KB (Dual Partition) | 256 KB (-50%) | 256 KB (-50%) | 512 KB |
| SRAM | 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 |
| Temperature Grade | E: -40 to +125 C | I: -40 to +85 C | E: -40 to +125 C | E: -40 to +125 C | I: -40 to +85 C |
| USB | USB 2.0 FS Device/Host/OTG | USB 2.0 FS Device/Host/OTG | USB 2.0 FS Device/Host/OTG | USB 2.0 FS Device/Host/OTG | USB 2.0 FS Device/Host/OTG |
| LCD Segments (max) | Up to 480 (verify per glass) | Up to 480 | Up to 480 | Up to 480 | Reduced segments (GL406) |
| Unit Price (qty 1) | $9.12 (as of 2026-09-30) | Lower (-10 to -15%) | Lower (-20 to -30%) | Lower (-20 to -30%) | Similar to E grade |
Bảo phân biệt quan trọng
- Dual Partition Flash with ECC for live OTA updates (vsPIC24FJ256GL408-E/PT)
- Extended temperature grade for harsh environments (vsPIC24FJ512GL408-I/PT)
- Highest LCD segment count in GL4 family (vsPIC24FJ512GL406-I/PT)
Ghi chú thiết kế
Estimated: at VDD=3.3V and 32 MHz active mode, the PIC24FJ512GL408 typically draws ~15 mA. For battery-powered designs, use nanoWatt XLP Deep Sleep mode (under 1 uA) with RTC wake-up or external interrupt. Place a 10 uF bulk capacitor and 0.1 uF decoupling capacitor close to each VDD/VSS pin pair to suppress switching noise from the integrated USB transceiver. The USB VBUS pin is 5V tolerant and should include ESD protection diodes per USB 2.0 specification.
Route USB D+ and D- as a 90-ohm differential pair with matched length and continuous reference ground plane on the layer below. Keep crystal traces (OSC1/OSC2) short and surrounded by ground pour to minimize EMI. Place JTAG/ICSP header footprint accessible at board edge for programming and debug. For LCD applications, route segment and common lines away from switching power traces to prevent display artifacts.
The Dual Partition Flash feature requires careful firmware planning - the boot loader must correctly manage partition swaps via the NVMCON register. Do not exceed 100,000 erase/write cycles per flash row without wear-leveling. The 24-channel ADC requires proper AVdd decoupling (10 uF + 0.1 uF) and a quiet analog ground plane for accurate conversions. The internal USB regulator needs adequate bulk capacitance on the USB VBUS rail.
The TQFP-80 package has an estimated thermal resistance theta_JA of approximately 45 C/W on a standard 2-layer JEDEC test board. Estimated: at 15 mA active current and 3.3V, power dissipation is about 50 mW, resulting in a junction temperature rise of only ~2.25 C above ambient - well within the -40 to +125 C operating range. No external heatsink is required for normal operation. However, sustained USB data transfers and ADC sampling can increase core current by 20-30%.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. The 'E' temperature grade meets -40 to +125 C operating range but is not AEC-Q100 qualified - for automotive applications, contact Microchip about PIC24FJ AEC-Q100 qualified variants.