PIC24FJ128GU405-E/M4 - 16-bit MCU, 128KB Flash, USB, LCD | Microchip
Référence : PIC24FJ128GU405-E/M4 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $5.95 | $5,95 |
| 10 | $5.36 | $53,60 |
| 100 | $4.78 | $478,00 |
| 500 | $4.3 | $2 150,00 |
| 1 000 | $3.85 | $3 850,00 |
PIC24FJ128GU405-E/M4 Présentation
A 16-bit PIC microcontroller (MCU) is a microprocessor-on-a-chip that integrates a CPU core, program memory (Flash), data memory (SRAM), peripherals (USB, ADC, timers, LCD driver), and I/O in a single IC. Within the broader semiconductor taxonomy, an MCU sits under microprocessor -> microcontroller -> embedded controller. The PIC24F family specifically targets low-power, mixed-signal embedded applications with deterministic interrupt response and a rich peripheral set known as Core Independent Peripherals (CIPs).
Key differentiating features of the PIC24FJ128GU405-E/M4 include 128KB Flash supporting real-time Over-The-Air (OTA) updates via dual-partition memory, EEPROM emulation without external EEPROM, integrated segmented LCD driver, and a full-speed USB 2.0 device/host/OTG controller. The 32MHz system clock yields 16 MIPS throughput, and the device operates from 2.0V to 3.6V with multiple low-power sleep modes for battery-driven designs.
The architecture combines a modified Harvard CPU with a 16-bit data path, hardware multiply/divide, and a vectored interrupt controller. The CIPs include configurable logic cells, multiple UART/SPI/I2C instances, 12-bit ADC, and crypto-grade secure firmware update features that allow field upgrades without external bootloader code. This makes the part particularly suited to connected, secure, and field-serviceable embedded products.
Typical applications include USB-equipped human-interface devices (HIDs), IoT sensor nodes with LCD readout, industrial control panels, medical patient monitors with display and USB charging, automotive body controllers (AEC-Q100 qualified variants exist), and consumer appliances with secure OTA firmware capability.
When designing with this part, evaluate whether the 48-pin UQFN footprint provides sufficient I/O for your application. The dual-partition flash requires firmware to manage the A/B swap; Microchip's bootloader library (AN1388) provides reference implementation. Always include decoupling (100 nF + bulk) on each power pin and route the USB DP/DM traces as a 90-ohm differential pair.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet alone.
Alternatives de remplacement direct pour PIC24FJ128GU405-E/M4 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC24FJ128GU405-E/M4 (même facteur de forme et même empreinte) — différant par Package, ADC, Operating Temperature, Core Architecture, LCD Controller.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC24FJ128GL405-I/M4
✅ Remplacement direct✓ En stock
$4.09 / unité
Voir la fiche technique →PIC24FJ128GL405-E/PT
✅ Remplacement direct✓ En stock
$2.21 / unité
Voir la fiche technique →PIC24FJ128GL405-I/PT
✅ Remplacement direct✓ En stock
$4.1 / unité
Voir la fiche technique →PIC24FJ128GL406-I/PT
✅ Remplacement direct✓ En stock
$2.84 / unité
Voir la fiche technique →PIC24FJ128GL410T-I/PT
✅ Remplacement direct✓ En stock
$4.1 / unité
Voir la fiche technique →PIC24FJ128GU405-E/M4 Valeurs maximales et caractéristiques électriques
| Core Architecture | PIC24F 16-bit |
| CPU Core | Modified Harvard, 16-bit data path |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Flash Memory | 128 KB (128K x 8) |
| SRAM | 32 KB |
| EEPROM | Emulated in Flash |
| Boîtier | 48-pin UQFN (M4) 6x6 mm |
| Tension d'alimentation | 2.0 V to 3.6 V |
| Température de fonctionnement | -40C to +125C (E = Extended) |
| USB Controller | USB 2.0 Full-Speed Device/Host/OTG |
| LCD Driver | Integrated segmented LCD |
| ADC | 12-bit |
| Dual-Partition Flash | Yes (OTA-capable) |
| AEC-Q100 Qualified | Yes (Automotive variants available) |
| Statut RoHS | Compliant |
Configuration des broches de PIC24FJ128GU405-E/M4
| Broche 1 | RA0 — PORTA bit 0 (analog/digital I/O) |
| Broche 2 | RA1 — PORTA bit 1 |
| Broche 3 | RA2 — PORTA bit 2 |
| Broche 4 | RA3 — PORTA bit 3 |
| Broche 5 | RA4 — PORTA bit 4 |
| Broche 6 | VDD — Positive supply voltage (2.0V-3.6V) |
| Broche 7 | VSS — Ground reference |
| Broche 8 | RA5 — PORTA bit 5 |
| Broche 9 | RA6 — PORTA bit 6 |
| Broche 10 | RA7 — PORTA bit 7 |
| Broche 11 | RB0 — PORTB bit 0 (ICD programming) |
| Broche 12 | RB1 — PORTB bit 1 |
| Broche 13 | RB2 — PORTB bit 2 |
| Broche 14 | RB3 — PORTB bit 3 |
| Broche 15 | RB4 — PORTB bit 4 |
| Broche 16 | RB5 — PORTB bit 5 |
| Broche 17 | RB6 — PORTB bit 6 |
| Broche 18 | RB7 — PORTB bit 7 |
| Broche 19 | VSS — Ground |
| Broche 20 | RC0 — PORTC bit 0 |
| Broche 21 | RC1 — PORTC bit 1 |
| Broche 22 | RC2 — PORTC bit 2 |
| Broche 23 | RC3 — PORTC bit 3 |
| Broche 24 | RC4 — PORTC bit 4 |
| Broche 25 | RC5 — PORTC bit 5 |
| Broche 26 | RC6 — PORTC bit 6 |
| Broche 27 | RC7 — PORTC bit 7 |
| Broche 28 | RD0 — PORTD bit 0 |
| Broche 29 | RD1 — PORTD bit 1 |
| Broche 30 | RD2 — PORTD bit 2 |
| Broche 31 | RD3 — PORTD bit 3 |
| Broche 32 | RD4 — PORTD bit 4 |
| Broche 33 | RD5 — PORTD bit 5 |
| Broche 34 | RD6 — PORTD bit 6 |
| Broche 35 | RD7 — PORTD bit 7 |
| Broche 36 | RE0 — PORTE bit 0 |
| Broche 37 | RE1 — PORTE bit 1 |
| Broche 38 | RE2 — PORTE bit 2 |
| Broche 39 | RE3 — PORTE bit 3 |
| Broche 40 | RE4 — PORTE bit 4 |
| Broche 41 | RE5 — PORTE bit 5 |
| Broche 42 | RE6 — PORTE bit 6 |
| Broche 43 | RE7 — PORTE bit 7 |
| Broche 44 | VDD — Positive supply voltage |
| Broche 45 | VSS — Ground |
| Broche 46 | RF0 — PORTF bit 0 |
| Broche 47 | RF1 — PORTF bit 1 |
| Broche 48 | EP — Exposed Pad (thermal/ground - must be connected to PCB ground plane) |
Applications typiques
PIC24FJ128GU405-E/M4 convient pour 6 applications: USB HID Peripheral (Keyboard/Mouse/Gamepad), IoT Sensor Node with LCD Readout, Industrial Control Panel / HMI, Medical Patient Monitor (Display + USB Charging), Automotive Body Controller (AEC-Q100 variant), Consumer Appliance with Secure OTA Firmware.
USB HID Peripheral (Keyboard/Mouse/Gamepad)
The PIC24FJ128GU405-E/M4 is purpose-built for USB Human Interface Devices thanks to its integrated full-speed USB 2.0 controller (Device mode) which eliminates the need for an external USB interface IC. The 32KB SRAM comfortably holds USB HID report buffers and application state, while the 128KB Flash stores HID descriptors, keymaps, and application logic. Running at 16 MIPS, the MCU handles USB interrupt latency (sub-1ms polling interval) with ample headroom for debouncing, LED control, and macro processing. Use the Microchip USB Stack (MLA) for certified HID class drivers.
Recommandé
IoT Sensor Node with LCD Readout
The integrated segmented LCD driver (up to ~128 segments per the family datasheet) plus 12-bit ADC and Core Independent Peripherals make the PIC24FJ128GU405-E/M4 an excellent fit for battery-powered IoT sensor nodes that display readings locally. The dual-partition Flash enables secure OTA firmware updates in the field, while multiple low-power sleep modes (down to sub-uA levels per the family datasheet) extend battery life. The 2.0V minimum VDD supports direct connection to 2-cell AA battery packs without boost conversion.
Recommandé
Industrial Control Panel / HMI
Industrial HMIs benefit from the PIC24FJ128GU405-E/M4's integrated LCD driver, multiple UART/SPI/I2C instances, and 16 MIPS performance to drive segmented displays, keypad scanning via CIPs, and fieldbus communications. The Extended -40C to +125C temperature grade supports harsh factory environments. CIPs (Configurable Logic Cells, 32-bit timers, hardware PWM) handle keypad matrix scanning and motor-control signaling without CPU intervention, freeing the core for higher-level protocols like Modbus RTU or CANopen.
Recommandé
Medical Patient Monitor (Display + USB Charging)
The full-speed USB OTG capability allows the PIC24FJ128GU405-E/M4 to act as a USB device for data upload to a host PC, or as a USB host for connection to peripherals. Combined with the integrated segmented LCD driver for patient-readout displays and 12-bit ADC for vital-sign sensor front-ends, this part consolidates multiple functions onto one IC. The 32KB SRAM handles USB CDC buffers and waveform storage; ECC Flash ensures bit-error protection for stored calibration data.
Recommandé
Automotive Body Controller (AEC-Q100 variant)
AEC-Q100 qualified variants of the PIC24FJ 'GU4/GL4' family target automotive body controllers, instrument clusters with segmented displays, and lighting in sub-zones. The integrated LCD driver drives dashboard tell-tales, the USB controller supports diagnostic dongles, and CIPs handle LIN, PWM fan control, and switch-matrix scanning. The -40C to +125C temperature range and automotive-grade qualification make this family suitable for cabin electronics. Choose the automotive-grade ordering code (consult Microchip ordering info) for production deployment.
Recommandé
Consumer Appliance with Secure OTA Firmware
Connected appliances such as coffee machines, air purifiers, and smart thermostats benefit from the dual-partition Flash for safe OTA firmware upgrades without bricking the device. The PIC24FJ128GU405-E/M4's USB controller enables smartphone-app commissioning via USB OTG, while the LCD driver shows status and control menus. The Microchip AN1388 bootloader library implements the A/B partition swap, and EEPROM emulation in Flash removes the need for an external EEPROM IC for user settings storage.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC24FJ128GU405-E/M4 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC24FJ128GL405-I/M4 | PIC24FJ128GL405-E/PT | PIC24FJ128GL405-I/PT | PIC24FJ128GL406-I/PT | PIC24FJ128GL410T-I/PT |
|---|---|---|---|---|---|---|
| Package | 48-UQFN (M4) 6x6 mm | 48-UQFN (M4) 6x6 mm - same | 48-UQFN (M4) 6x6 mm - same | 48-UQFN (M4) 6x6 mm - same | 48-UQFN (M4) 6x6 mm - same | 48-UQFN (M4) 6x6 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 128 KB | 128 KB - same | 128 KB - same | 128 KB - same | 256 KB (+100%) | 1 MB (+700%) |
| SRAM | 32 KB | 32 KB - same | 32 KB - same | 32 KB - same | 32 KB - same | 64 KB (+100%) |
| USB Controller | Full-Speed USB 2.0 | None | None | None | None | None |
| LCD Driver | Yes (segmented) | Yes - same | Yes - same | Yes - same | Yes - same | Yes - same |
| Dual-Partition OTA Flash | Yes | Yes - same | Yes - same | Yes - same | Yes - same | Yes - same |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) - same | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| Maximum Clock | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS - same | 32 MHz / 16 MIPS - same | 32 MHz / 16 MIPS - same | 32 MHz / 16 MIPS - same | 32 MHz / 16 MIPS - same |
Principaux différenciateurs
- Integrated USB 2.0 Full-Speed controller (vs PIC24FJ128GL405-I/M4)
- Dual-partition Flash for OTA updates (vs PIC24FJ128GA106-I/PT)
- Extended temperature grade -40C to +125C (vs PIC24FJ128GL405-I/M4)
Notes de conception
Route the USB D+ and D- traces as a 90-ohm differential pair with continuous ground reference on the layer beneath. Keep the differential pair length-matched within 150 mil. Place the USB ESD protection diode (e.g., USBLC6-2SC6) within 3 mm of the USB connector. According to Microchip's USB hardware design guide, inadequate impedance control causes USB compliance test failures.
Place a 100 nF ceramic decoupling capacitor within 2 mm of each VDD pin, plus a 4.7 uF bulk capacitor near the MCU. The PIC24FJ128GU405-E/M4 has multiple VDD pins (pin 6, pin 44) that each require their own decoupling. The exposed pad (pin 48) MUST be soldered to a ground plane for thermal dissipation and electrical reference.
When implementing OTA updates via dual-partition Flash, ensure firmware clears all RAM and peripheral states before jumping to the new partition, otherwise stale interrupt vectors or CIP states can crash the device. Microchip application note AN1388 provides reference bootloader code that handles the A/B swap correctly. Always test OTA rollback paths before production deployment.
For the 48-pin UQFN (M4) 6x6 mm package, use a land pattern with 0.4 mm pitch QFN pads and a central thermal pad (3.5x3.5 mm recommended). Per IPC-7351, the UQFN land pattern requires non-solder-mask-defined pads on the central exposed pad to ensure proper thermal and electrical connection. Stencil aperture reductions of 70-80% on the central pad help prevent solder voiding.
Informations de conformité
RoHS and REACH compliant per Microchip product page. AEC-Q100 qualified variants available within the PIC24FJ GU4/GL4 family - confirm specific ordering code for automotive deployment. Lead-free and halogen-free packaging standard.
