PIC24FJ512GU408-E/PT - 16-Bit 32MHz 512KB USB MCU | Microchip
N.º da peça: PIC24FJ512GU408-E/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $7.85 | $7,85 |
| 10 | $7.42 | $74,20 |
| 100 | $6.78 | $678,00 |
| 250 | $6.32 | $1.580,00 |
| 500 | $5.88 | $2.940,00 |
PIC24FJ512GU408-E/PT Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, working RAM, and peripheral interfaces. The PIC24FJ 'GU4/GL4' family sits within Microchip's 16-bit eXtreme Low-Power MCU portfolio (a hypernym of: 16-bit MCU -> microcontroller -> embedded processor -> semiconductor) and targets battery-powered and human-interface applications that demand USB connectivity, segmented LCD drive, and field-upgradeable firmware.
Key features of this part include 512 KB of Flash supporting real-time Over-The-Air (OTA) dual-partition updates and EEPROM emulation, a hardware Cryptographic Engine (CE) for AES/encryption acceleration, Core Independent Peripherals (CIPs) such as CLC, MCCP, and PTG, and a 16-channel 12-bit ADC with CTMU for touch and current measurement. The integrated segmented LCD controller supports up to 512 segments, eliminating external display driver ICs in HMI designs.
Architecturally, the device uses a modified Harvard core with a 16-bit data path, 24-bit instruction word, and a 16-element working register array. USB 2.0 full-speed (12 Mbps) is provided on-chip with an internal transceiver and dedicated DMA, and the segmented LCD driver shares I/O pins with general-purpose digital I/O via configurable multiplexing. Deep sleep modes and an RTC with VBAT retention allow system-level quiescent currents under 1 uA.
Typical applications include industrial HMI panels with LCD + USB service-port, USB-connected IoT edge nodes with OTA firmware, secure metering and access control with on-chip AES, and automotive-grade subsystems given the part's -E extended temperature grade and AEC-Q100 qualification noted on the distributor listing.
When designing with this MCU, allocate careful pin planning between LCD segments and digital I/O early - the 80-pin TQFP exposes only 69 free I/O once LCD, USB, and debug pins are reserved. Use the dual-partition Flash feature with a verified bootloader to enable fail-safe OTA updates.
Alternativas drop-in para PIC24FJ512GU408-E/PT — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC24FJ512GU408-E/PT (mesmo formato e footprint) — diferindo em ADC, Core Architecture, Package, Operating Temperature, Timers.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC24FJ512GU408-I/PT
✅ Drop-In✓ Em estoque
$4.42 / unidade
Ver ficha técnica →PIC24FJ512GL408-I/PT
✅ Drop-In✓ Em estoque
$6.3 / unidade
Ver ficha técnica →PIC24FJ512GL408-E/PT
✅ Drop-In✓ Em estoque
$5.74 / unidade
Ver ficha técnica →PIC24FJ256GU406-I/PT
✅ Drop-In✓ Em estoque
$2.69 / unidade
Ver ficha técnica →PIC24FJ512GU406-I/PT
✅ Drop-In✓ Em estoque
$5.42 / unidade
Ver ficha técnica →PIC24FJ512GB610-E/PT
✅ Drop-In✓ Em estoque
$7.95 / unidade
Ver ficha técnica →PIC24FJ512GU408-E/PT Classificações máximas e características elétricas
| Core Architecture | PIC 16-bit (modified Harvard, 24-bit instruction) |
| Family | PIC24FJ 'GU4/GL4' eXtreme Low-Power |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Flash Memory | 512 KB (512K x 8), dual partition, OTA-capable |
| RAM | 32 KB |
| Operating Voltage Range | 2.0 V to 3.6 V |
| Number of I/O Pins | 69 |
| Encapsulamento | 80-pin TQFP (12x12 mm) |
| Tipo de montagem | Surface Mount |
| Faixa de temperatura de operação | -40C to +125C (Extended, '-E' grade) |
| USB | USB 2.0 Full-Speed (12 Mbps), on-chip transceiver |
| LCD Controller | Segmented LCD, up to 512 segments |
| ADC | 12-bit, multi-channel |
| Cryptographic Engine | On-chip CE for AES/encryption |
| Core Independent Peripherals | CLC, MCCP, PTG (configurable logic, PWM, peripheral trigger) |
| Automotive Qualification | AEC-Q100 (per distributor listing) |
| Lead-Free / RoHS | Yes (RoHS compliant) |
| Nível MSL | 3 (per Microchip TQFP package profile) |
Guia de Configuração de Pinos do PIC24FJ512GU408-E/PT 80-pin tqfp (12x12 mm)
Configuração de pinos para PIC24FJ512GU408-E/PT (pacote 80-pin tqfp (12x12 mm)). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para PIC24FJ512GU408-E/PT.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
PIC24FJ512GU408-E/PT é adequado para 7 aplicaçãos: Industrial HMI with LCD + USB Service Port, USB-Connected IoT Edge Node with OTA, Automotive Body / Cluster Subsystem, Secure Metering and Access Control, Medical Point-of-Care Device, Consumer Appliance with LCD User Interface, Portable Data Logger / Test Instrument.
Industrial HMI with LCD + USB Service Port
The PIC24FJ512GU408-E/PT is purpose-built for industrial HMI panels where a segmented LCD, a USB service/debug port, and a wide temperature range are all required. The on-chip segmented LCD controller drives up to 512 segments without an external driver, while the integrated USB 2.0 full-speed transceiver delivers 12 Mbps for firmware updates and field diagnostics. 512 KB of dual-partition Flash supports fail-safe field upgrades, and 32 KB RAM holds the LCD framebuffer plus USB stack. The -40C to +125C extended temperature grade means the same PCB can be deployed in cold-storage warehouses or unconditioned factory cabinets. Recommended companion parts are MCP2551 for CAN, USBLC6-2 for USB ESD protection, and a Microchip MCP73831 for Li-Ion backup.
Recomendado
USB-Connected IoT Edge Node with OTA
For IoT edge devices that must support firmware upgrades without field-return, the PIC24FJ512GU408-E/PT is a strong fit. Its 512 KB dual-partition Flash allows Over-The-Air (OTA) updates with rollback: a new image is downloaded into the inactive partition, verified via CRC, then swapped, with the bootloader automatically returning to the previous image if the new one fails boot. USB 2.0 full-speed provides 12 Mbps for fast image transfer from a host, and the on-chip Cryptographic Engine accelerates AES for secure boot and image authentication. Core Independent Peripherals (CIPs) offload PWM and signal handling from the CPU, allowing deep-sleep current under 1 uA in idle windows. Recommended companion parts are ATECC608B for secure-element authentication and W25Q128JV for optional external image storage.
Recomendado
Automotive Body / Cluster Subsystem
Automotive body electronics and cluster subsystems benefit from the PIC24FJ512GU408-E/PT's AEC-Q100 qualification, -40C to +125C extended operating range, and integrated USB for diagnostics dongles. The on-chip segmented LCD controller is well matched to instrument-cluster secondary displays, while the 69 I/O pins of the 80-pin TQFP expose enough pins for switch scanning, PWM-driven lighting, and CAN/LIN gateway links. The Cryptographic Engine enables secure diagnostics sessions, and the dual-partition Flash allows dealer-level firmware updates with rollback. Compared with full instrument-cluster MCUs, this part hits a sweet spot for sub-display controllers and HVAC/lighting modules. Recommended companion parts are MCP2551 CAN transceivers and TLE7259-3 LIN transceivers, with a TPS7A47 LDO for clean analog rails.
Recomendado
Secure Metering and Access Control
Electricity, water, and gas meters, plus electronic access-control terminals, are well served by the PIC24FJ512GU408-E/PT. The on-chip 12-bit ADC with CTMU provides accurate metrology for current shunts and analog sensors, while the Cryptographic Engine accelerates AES for authenticated communication with the back-office system. USB supports local configuration by a service technician without opening the enclosure, and the segmented LCD drives the customer-facing readout without a separate driver IC. Deep-sleep currents under 1 uA preserve battery life over multi-year deployments, and the -E grade handles outdoor cabinets in extreme climates. Recommended companion parts are MCP3421 for precision ADC where higher resolution is needed, and a tamper-detection switch interface built around an external comparator.
Recomendado
Medical Point-of-Care Device
Point-of-care diagnostics, handheld patient monitors, and portable therapeutic devices match the PIC24FJ512GU408-E/PT's profile: small footprint, segmented LCD for user readout, USB for charging and data sync, and extended temperature for field deployment. The on-chip ADC with CTMU supports impedance/optical sensing front-ends, while the Cryptographic Engine secures patient-identifiable data at rest and in transfer. Dual-partition Flash allows validated firmware updates that meet FDA-style change-control expectations. The wide 2.0 V to 3.6 V supply range lets the design run directly from a single Li-Ion cell, and deep-sleep currents preserve battery life between readings. Recommended companion parts are MCP73831 for charging, MCP6002 for analog front-end, and USBLC6-2 for ESD protection.
Recomendado
Consumer Appliance with LCD User Interface
Coffee machines, smart ovens, washers, and HVAC controllers benefit from the PIC24FJ512GU408-E/PT's integrated segmented LCD, USB for service logs and firmware upgrades, and 69 I/O for switches, relays, and triac drives. The Core Independent Peripherals (CIPs) - CLC, MCCP, and PTG - offload timing-critical control loops from the CPU, allowing the device to remain in low-power states until a user key-press wakes it. The wide 2.0 V to 3.6 V supply range covers direct connection to 3.3 V rails, and the extended -40C to +125C grade handles appliance and outdoor-controller environments. Recommended companion parts are MOC3021 for triac isolation, ULN2003 for relay driving, and a Microchip MCP1700 LDO for auxiliary rails.
Recomendado
Portable Data Logger / Test Instrument
Handheld data loggers and portable test instruments benefit from the PIC24FJ512GU408-E/PT's USB device interface, segmented LCD for direct readout, 12-bit ADC for sensor acquisition, and 512 KB of Flash for sample storage (or for buffering before offload to USB). The Cryptographic Engine secures stored logs against tampering in field calibration use. Deep-sleep currents under 1 uA extend battery runtime between recharge cycles, and the -40C to +125C extended grade supports outdoor measurement campaigns. Recommended companion parts are an external SPI flash (W25Q128JV) for long-log storage, an op-amp signal conditioner (MCP6002), and an MCP73831 charger for the Li-Ion cell.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC24FJ512GU408-E/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC24FJ512GU408-I/PT | PIC24FJ512GL408-I/PT | PIC24FJ512GL408-E/PT | PIC24FJ256GU406-I/PT | PIC24FJ512GU406-I/PT | PIC24FJ512GB610-E/PT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 80-pin TQFP (12x12 mm) | 80-pin TQFP (12x12 mm) - same | 80-pin TQFP (12x12 mm) - same | 80-pin TQFP (12x12 mm) - same | 80-pin TQFP (12x12 mm) - same | 80-pin TQFP (12x12 mm) - same | 80-pin TQFP (12x12 mm) - same |
| Flash Memory | 512 KB dual-partition | 512 KB dual-partition | 512 KB dual-partition | 512 KB dual-partition | 256 KB | 512 KB | 512 KB |
| RAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| Maximum 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 | 32 MHz / 16 MIPS |
| USB | USB 2.0 Full-Speed (12 Mbps) | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed |
| LCD Controller | Up to 512 segments | Up to 512 segments | Up to 512 segments | Up to 512 segments | Up to 512 segments | Up to 512 segments | Not present on this sub-family |
| Operating Temperature | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) |
| AEC-Q100 | Yes | Not applicable (industrial) | Not applicable (industrial) | Yes | Not applicable (industrial) | Not applicable (industrial) | Yes |
Principais diferenciais
- On-chip Cryptographic Engine (AES) (vs PIC24FJ512GB610-E/PT)
- Dual-partition 512 KB Flash with OTA (vs PIC24FJ256GU406-I/PT)
- Integrated segmented LCD up to 512 segments (vs PIC24FJ512GB610-E/PT)
Notas de projeto
Estimated: the 80-pin TQFP exposes only 69 free I/O once LCD segment pins, USB D+/D-, and the debugging pair (PGEDx/PGECx) are reserved. Plan pin allocation before PCB layout - moving LCD segments to non-LCD-capable pins will silently disable the controller with no compile-time error. Reserve the crystal pins even when using the internal FRC, because retasking them later removes the option to add a precision oscillator for USB without board rework.
Estimated: USB bus-powered designs must hold VDD >= 3.0 V during enumeration to stay within USB 2.0 full-speed compliance. If the load at 5V can pull VDD below 3.0 V through the internal 3.3 V regulator, add a bulk capacitor of at least 10 uF at the MCU VDD pin and 1 uF at the USB VBUS sense pin. The segmented LCD charge pump draws noticeable current when many segments are on, so budget the regulator accordingly and consider using an external LDO for high-segment-count displays.
For the USB D+/D- pair on this TQFP, route as a 90-ohm differential with ground reference on the layer below; avoid via stubs by placing the MCU on the same side as the USB connector. Decouple VDD with 100 nF + 1 uF + 10 uF placed within 5 mm of the pin pair, and isolate the AVDD/VREF pins with their own ferrite if analog accuracy is needed for the ADC. The exposed thermal pad under the TQFP is not present on this package, so all cooling must come from PCB copper pours.
Informações de conformidade
AEC-Q100 qualification noted on Octopart and OnlineComponents distributor listings; lead-free / RoHS per Microchip product page. Halogen-free status not explicitly stated in provided data - marked unknown per Data Authenticity Rules.