PIC24FJ512GL408-I/PT - 512KB Flash 16-bit LCD MCU | Microchip
N.º da peça: PIC24FJ512GL408-I/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $9.85 | $9,85 |
| 10 | $8.92 | $89,20 |
| 100 | $7.78 | $778,00 |
| 500 | $6.95 | $3.475,00 |
| 1.000 | $6.3 | $6.300,00 |
PIC24FJ512GL408-I/PT Visão geral
A 16-bit microcontroller (MCU) is a single-chip computer that uses a 16-bit data path, instruction word, and register file. Within the broader semiconductor taxonomy, it sits below 32-bit Cortex-M class devices but above 8-bit PIC16/AVR microcontrollers. The PIC24F architecture adds a hardware multiply/divide unit, a 16-element working register array, and native C-friendly addressing modes, making it a common upgrade path from legacy PIC18 designs in industrial, medical, and human-machine-interface (HMI) products.
Key features of the PIC24FJ512GL408 include 512 KB of dual-partition Flash that supports live Over-The-Air (OTA) firmware updates, 32 KB RAM, four Core Independent Peripherals (CIPs) such as CLC, MCCP and 16-bit PWM, a full-speed USB 2.0 device controller with internal transceiver, a segmented LCD driver (up to 296 segments), a 12-bit 500 ksps ADC, multiple UART/SPI/I2C peripherals, RTCC with calendar, and AEC-Q100 qualification for automotive-grade deployments.
The 'GL4' family uses a low-power design with multiple idle, sleep, and deep-sleep modes drawing microamp-level currents for battery-powered HMIs. Dual-partition Flash with live update enables a bootloader in one partition and an application in the other, so firmware can be swapped in the field without external memory or external supervisory logic.
Typical applications include industrial HMI panels with LCD, medical infusion pumps, e-meter and smart-meter front panels, automotive instrument clusters, IoT edge nodes with segmented displays, and consumer appliances with touch + LCD user interfaces. Designers select the GL408 for designs needing maximum Flash and an integrated LCD driver in a single chip.
When designing with this device, allocate the 12x12 mm TQFP-80 land pattern carefully and follow Microchip's analog and oscillator layout guidelines. Use the dedicated CVD touch and segmented-LCD bias network to minimize current draw and pin count, and refer to the PIC24FJ512GL408 datasheet for the full peripheral pin-select (PPS) mapping before finalizing PCB layout.
Alternativas drop-in para PIC24FJ512GL408-I/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 PIC24FJ512GL408-I/PT (mesmo formato e footprint) — diferindo em LCD Controller, Operating Temperature, ADC, Package, USB.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC24FJ512GL408-E/PT
✅ Drop-In✓ Em estoque
$5.74 / unidade
Ver ficha técnica →PIC24FJ256GL408-I/PT
✅ Drop-In✓ Em estoque
$9.42 / unidade
Ver ficha técnica →PIC24FJ128GL408-I/PT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC24FJ512GL406-I/PT
✅ Drop-In✓ Em estoque
$5.55 / unidade
Ver ficha técnica →PIC24FJ256GL408-E/PT
✅ Drop-In✓ Em estoque
$4.62 / unidade
Ver ficha técnica →PIC24FJ512GL408-I/PT Classificações máximas e características elétricas
| Core Architecture | PIC24F (16-bit) with MIPS16e ISA |
| Program Flash | 512 KB (512K x 8) ECC Flash |
| SRAM | 32 KB |
| Operating Frequency | 32 MHz (16 MIPS) internal |
| Tensão de alimentação | 2.0 V to 3.6 V |
| Temperatura de operação | -40 C to +85 C (industrial) |
| I/O Pins | 70 user I/O |
| Encapsulamento | 80-pin TQFP (12x12 mm) |
| LCD Controller | Integrated segmented LCD driver |
| ADC | 12-bit A/D converter |
| USB | USB 2.0 Full-Speed Device with internal transceiver |
| Timers | Multiple 16-bit timer/capture/PWM channels |
| Communication | UART, SPI, I2C with PPS mapping |
| AEC-Q100 | Qualified (automotive grade) |
| Tipo de montagem | Surface Mount |
Configuração de pinos do PIC24FJ512GL408-I/PT
| Pino 1 | RG15 — I/O port |
| Pino 2 | RG0 — I/O port / LCD segment |
| Pino 3 | RG1 — I/O port / LCD segment |
| Pino 4 | RG2 — I/O port / LCD segment |
| Pino 5 | RG3 — I/O port / LCD segment |
| Pino 6 | RG4 — I/O port / LCD segment |
| Pino 7 | RG5 — I/O port / LCD segment |
| Pino 8 | RG6 — I/O port / LCD segment |
| Pino 9 | RG7 — I/O port / LCD segment |
| Pino 10 | RG8 — I/O port / LCD segment |
| Pino 11 | RG9 — I/O port / LCD segment |
| Pino 12 | RG10 — I/O port / LCD segment |
| Pino 13 | RG11 — I/O port / LCD segment |
| Pino 14 | RG12 — I/O port / LCD segment |
| Pino 15 | RG13 — I/O port / LCD segment |
| Pino 16 | RG14 — I/O port / LCD segment |
| Pino 17 | VDD — Supply voltage 2.0V to 3.6V |
| Pino 18 | RC12 — I/O port |
| Pino 19 | RC13 — I/O port |
| Pino 20 | RC14 — I/O port |
| Pino 21 | RC15 — I/O port |
| Pino 22 | VSS — Ground |
| Pino 23 | RD0 — I/O port |
| Pino 24 | RD1 — I/O port |
| Pino 25 | RD2 — I/O port |
| Pino 26 | RD3 — I/O port |
| Pino 27 | RD4 — I/O port |
| Pino 28 | RD5 — I/O port |
| Pino 29 | RD6 — I/O port |
| Pino 30 | RD7 — I/O port |
| Pino 31 | RD8 — I/O port |
| Pino 32 | RD9 — I/O port |
| Pino 33 | RD10 — I/O port |
| Pino 34 | RD11 — I/O port |
| Pino 35 | VSS — Ground |
| Pino 36 | RD12 — I/O port |
| Pino 37 | RD13 — I/O port |
| Pino 38 | RD14 — I/O port |
| Pino 39 | RD15 — I/O port |
| Pino 40 | RA0 — I/O port / analog input |
| Pino 41 | RA1 — I/O port / analog input |
| Pino 42 | RA2 — I/O port / analog input |
| Pino 43 | RA3 — I/O port / analog input |
| Pino 44 | RA4 — I/O port / analog input |
| Pino 45 | RA5 — I/O port / analog input |
| Pino 46 | RA6 — I/O port / analog input |
| Pino 47 | RA7 — I/O port / analog input |
| Pino 48 | VDD — Supply voltage 2.0V to 3.6V |
| Pino 49 | OSC1 — Crystal oscillator input |
| Pino 50 | OSC2 — Crystal oscillator output |
| Pino 51 | RB0 — I/O port / programming clock (PGEC1) |
| Pino 52 | RB1 — I/O port / programming data (PGED1) |
| Pino 53 | RB2 — I/O port |
| Pino 54 | RB3 — I/O port |
| Pino 55 | RB4 — I/O port |
| Pino 56 | RB5 — I/O port |
| Pino 57 | RB6 — I/O port / programming clock (PGEC2) |
| Pino 58 | RB7 — I/O port / programming data (PGED2) |
| Pino 59 | VSS — Ground |
| Pino 60 | RB8 — I/O port |
| Pino 61 | RB9 — I/O port |
| Pino 62 | RB10 — I/O port |
| Pino 63 | RB11 — I/O port |
| Pino 64 | RB12 — I/O port |
| Pino 65 | RB13 — I/O port |
| Pino 66 | RB14 — I/O port |
| Pino 67 | RB15 — I/O port |
| Pino 68 | VDD — Supply voltage 2.0V to 3.6V |
| Pino 69 | RC0 — I/O port |
| Pino 70 | RC1 — I/O port |
| Pino 71 | RC2 — I/O port |
| Pino 72 | RC3 — I/O port |
| Pino 73 | RC4 — I/O port |
| Pino 74 | RC5 — I/O port |
| Pino 75 | RC6 — I/O port |
| Pino 76 | RC7 — I/O port |
| Pino 77 | RC8 — I/O port |
| Pino 78 | RC9 — I/O port |
| Pino 79 | RC10 — I/O port |
| Pino 80 | RC11 — I/O port |
Aplicações típicas
PIC24FJ512GL408-I/PT é adequado para 6 aplicaçãos: Industrial HMI Panel with Segmented LCD, Smart Meter / E-Meter Front Panel, Automotive Instrument Cluster, Medical Infusion Pump Controller, IoT Edge Sensor Node with LCD, Consumer Appliance User Interface.
Industrial HMI Panel with Segmented LCD
The PIC24FJ512GL408-I/PT is purpose-built for industrial HMI panels because it integrates a segmented LCD controller that drives up to 296 pixels without an external driver IC, eliminating BOM cost and PCB area. The 512 KB dual-partition Flash supports Over-The-Air firmware updates so the panel can be re-flashed in the field without service calls. Place the GL408 between the front-panel LCD glass and the user's keypad/touch inputs; its 12-bit ADC reads CVD touch sensors while multiple UART/SPI/I2C peripherals link to a host PLC.
Recomendado
Smart Meter / E-Meter Front Panel
Smart electricity meters benefit from the PIC24FJ512GL408-I/PT's combination of low power (microamp sleep), large 512 KB Flash for metering protocol stacks (DLMS/COSEM, IEC 62056), and integrated segmented LCD that displays consumption, time-of-use tariffs, and error codes. The 32 KB SRAM buffers communication frames while the 32 MHz CPU handles encryption in real time. Run the meter from a 3.3V LDO fed by the meter's current transformer; the deep-sleep modes extend battery backup life during power outages.
Recomendado
Automotive Instrument Cluster
The PIC24FJ512GL408-I/PT belongs to an AEC-Q100 qualified family, making it suitable for non-safety-critical instrument cluster nodes. The segmented LCD controller drives speed, RPM, fuel, and temperature gauges, while 70 user I/O connect to CAN/LIN transceivers, rotary encoders, and backlight drivers. Dual-partition Flash enables secure OTA firmware updates from the OEM cloud. Operate from the 12V battery through a 3.3V automotive-grade LDO and follow Microchip's automotive PCB layout guidelines for EMI immunity.
Recomendado
Medical Infusion Pump Controller
Medical infusion pumps rely on the PIC24FJ512GL408-I/PT's deterministic 16 MIPS performance for closed-loop motor control, its 512 KB Flash for safety firmware and audit logging, and 32 KB SRAM for alarm buffering. The on-chip 12-bit ADC reads multiple pressure and flow sensors while the segmented LCD displays dose rate and remaining volume. Use the Core Independent Peripherals (CIPs) to offload PWM, capture, and CRC work from the CPU so the application code focuses on safety logic. Follow IEC 62304 development practices.
Recomendado
IoT Edge Sensor Node with LCD
Battery-powered IoT edge nodes benefit from the PIC24FJ512GL408-I/PT's deep-sleep current in the microamp range plus its segmented LCD that displays sensor readings locally without needing an OLED. The 512 KB dual-partition Flash supports secure OTA firmware upgrades pushed from the cloud over Wi-Fi/BLE companion modules. USB 2.0 full-speed with internal transceiver eases factory provisioning and field firmware loading through a standard micro-USB port, eliminating the need for an external USB PHY.
Recomendado
Consumer Appliance User Interface
Washing machines, dishwashers, ovens, and other consumer appliances use the PIC24FJ512GL408-I/PT to drive a multi-segment LCD display showing cycle progress, temperature, and fault codes, while 70 user I/O scan the keypad and capacitive-touch buttons. The 512 KB Flash stores localized UI strings for multiple languages and the appliance's cycle firmware, while 32 KB RAM buffers user inputs. Multiple UART/SPI/I2C peripherals link to motor-control and sensor front-end boards across the appliance chassis.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC24FJ512GL408-I/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC24FJ512GL408-E/PT | PIC24FJ256GL408-I/PT | PIC24FJ128GL408-I/PT | PIC24FJ512GL406-I/PT | PIC24FJ256GL408-E/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 80-pin TQFP (12x12) | 80-pin TQFP (12x12) - same | 80-pin TQFP (12x12) - same | 80-pin TQFP (12x12) - same | 80-pin TQFP (12x12) - same | 80-pin TQFP (12x12) - same |
| Program Flash | 512 KB | 512 KB | 256 KB (-50%) | 128 KB (-75%) | 512 KB | 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 |
| Supply Voltage | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V |
| Temperature Grade | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) |
| LCD Controller | Yes (up to 296 segments) | Yes (up to 296 segments) | Yes (up to 296 segments) | Yes (up to 296 segments) | Yes (reduced segment count) | Yes (up to 296 segments) |
| USB | USB 2.0 FS Device | USB 2.0 FS Device | USB 2.0 FS Device | USB 2.0 FS Device | USB 2.0 FS Device | USB 2.0 FS Device |
Principais diferenciais
- Maximum Flash capacity in the GL408 family with industrial temperature range (vs PIC24FJ256GL408-I/PT)
- Extended temperature grade option available in same package (vs PIC24FJ512GL408-E/PT)
- Full 296-segment LCD controller (vs PIC24FJ512GL406-I/PT)
Notas de projeto
Decouple each VDD/VSS pair with a 100 nF ceramic capacitor placed within 3 mm of the pin pair, and add a bulk 10 uF tantalum or ceramic cap on the main 3.3V rail. The PIC24FJ512GL408-I/PT has multiple VDD pins (17, 48, 68); each must be decoupled separately to meet the +/- 50 mV noise budget required for clean ADC and LCD charge-pump operation.
Place the 32.768 kHz crystal and load capacitors within 5 mm of OSC1/OSC2 (pins 49/50), and route the traces over a continuous ground plane. Keep LCD segment traces short and shielded from switching I/O; route them away from the USB D+/D- differential pair (mapped via PPS) to avoid coupling. Follow Microchip's analog layout guidelines for the 12-bit ADC reference and signal traces.
Do not forget to configure the Peripheral Pin Select (PPS) registers before using UART, SPI, I2C, or USB - on the GL408 family most digital peripherals are remappable and default to disabled. Also remember that dual-partition Flash boot requires correct CONFIG3 settings to point at the active partition; misconfiguration bricks the OTA update path. Finally, observe the absolute maximum VDD of 3.6V - even brief transients above 3.6V can damage the part.
For USB 2.0 full-speed operation, route D+ and D- as a 90-ohm differential pair with matching length within 2 mm. Place the USB series resistors (per the datasheet) within 5 mm of the MCU pins and add a common-mode choke if the cable is longer than 1 m. Verify eye diagram compliance using a USB-IF certified test fixture during design validation.
Informações de conformidade
RoHS and REACH compliant per Microchip product page. GL4 family is AEC-Q100 qualified; -I/PT is industrial grade, -E/PT is extended temperature grade. Lead-free and halogen-free per Microchip material declarations.