PIC24FJ128GL408T-I/PT - 16-bit MCU, 32MHz, 128KB Flash, 80-TQFP | Microchip
MPN: PIC24FJ128GL408T-I/PT ✓ AktifPIC24FJ128GL408T-I/PT Ringkasan
A 16-bit microcontroller (MCU) is a microprocessor core with a 16-bit data path and instruction set, positioned between 8-bit MCUs and 32-bit ARM Cortex-M devices in performance, cost, and code-density. The PIC24F family targets ultra-low-power embedded applications with rich on-chip peripherals including segmented LCD drivers, USB, and capacitive touch sensing, belonging to the broader category of microcontrollers within integrated circuits.
Key features include 128KB ECC Flash with Dual Partition support for OTA updates and EEPROM emulation, 32KB SRAM, an integrated segmented LCD driver supporting up to 472 segments, USB 2.0 full-speed with on-chip transceiver, and a 16-channel 12-bit ADC. The device integrates multiple CIPs including a 32-bit CRC, hardware RTCC, and configurable logic cells that offload tasks from the CPU, reducing firmware complexity.
The PIC24FJ128GL408 family is fabricated on an advanced low-power CMOS process and provides a 16-bit modified Harvard architecture with a 24-bit instruction word. Dual Partition Flash enables live field firmware upgrades without downtime, while ECC on Flash and RAM improves reliability in safety-sensitive applications. The integrated LCD segment driver eliminates external display controllers, reducing BOM cost in human-machine interface designs.
Typical applications include industrial control panels with LCD displays, USB-connected medical devices, low-power IoT sensor nodes, automotive body controllers with segmented dashboards, consumer appliances with touch interfaces, and battery-powered data loggers requiring OTA firmware updates. The 32MHz performance supports real-time signal processing in motor control and instrumentation.
When designing with this device, plan pin allocation early because the 80-pin TQFP provides generous I/O but the LCD segment pins are shared with digital I/O - segment mapping must be validated against the PCB layout. Use MPLAB X IDE with XC16 compiler and configure the Configuration bits via MCC to avoid debug-interface lockout.
This page synthesizes distributor pricing, pin-compatible same-family alternatives, and practical design notes not found in the manufacturer datasheet, providing actionable engineering context for component selection.
Alternatif penggantian untuk PIC24FJ128GL408T-I/PT — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian PIC24FJ128GL408T-I/PT (sama faktor bentuk dan footprint) — berbeda di dalam Package, Core Architecture, ADC, Program Flash, Operating Temperature.
PIC24FJ256GL408-I/PT
✅ Drop-In ⚠️ Spesifikasi Tidak DisahkanKontak untuk harga
Lihat Datasheet →PIC24FJ128GL406-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC24FJ64GL408-I/PT
✅ Drop-In ⚠️ Spesifikasi Tidak Disahkan📋 Alternatif referensi (tidak dalam katalog)
PIC24FJ128GL405-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC24FJ128GB410-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC24FJ128GA610-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC24FJ128GA606-I/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC24FJ128GL408T-I/PT Rating Maksimal & Karakteristik Listrik
| Core Architecture | PIC24F (16-bit modified Harvard) |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 128 KB (128K x 8) with ECC |
| RAM | 32 KB |
| Operating Voltage | 2.0 V to 3.6 V |
| Paket | 80-pin TQFP (12x12 mm) |
| Tipe Mounting | Surface Mount |
| Suhu Kerja | -40 C to +85 C (Industrial) |
| USB | USB 2.0 Full-Speed with on-chip transceiver |
| LCD Driver | Integrated segmented LCD controller |
| Flash Partition | Dual Partition with OTA update support |
| Status RoHS | Compliant |
| Lead-Free | Yes |
| EEPROM Emulation | Supported via Flash Dual Partition |
Konfigurasi Pin PIC24FJ128GL408T-I/PT
| Pin produk 1 | RE0 — I/O port E bit 0 / LCD SEG |
| Pin produk 2 | RE1 — I/O port E bit 1 / LCD SEG |
| Pin produk 3 | RE2 — I/O port E bit 2 / LCD SEG |
| Pin produk 4 | RE3 — I/O port E bit 3 / LCD SEG |
| Pin produk 5 | RE4 — I/O port E bit 4 / LCD SEG |
| Pin produk 6 | RE5 — I/O port E bit 5 / LCD SEG |
| Pin produk 7 | RE6 — I/O port E bit 6 / LCD SEG |
| Pin produk 8 | RE7 — I/O port E bit 7 / LCD SEG |
| Pin produk 9 | VDD — Positive supply voltage (2.0V-3.6V) |
| Pin produk 10 | VSS — Ground reference |
| Pin produk 11 | RA0 — I/O port A bit 0 / AN0 |
| Pin produk 12 | RA1 — I/O port A bit 1 / AN1 |
| Pin produk 13 | RA2 — I/O port A bit 2 / AN2 |
| Pin produk 14 | RA3 — I/O port A bit 3 / AN3 |
| Pin produk 15 | RA4 — I/O port A bit 4 |
| Pin produk 16 | RA5 — I/O port A bit 5 |
| Pin produk 17 | RA6 — I/O port A bit 6 |
| Pin produk 18 | RA7 — I/O port A bit 7 |
| Pin produk 19 | AVDD — Analog positive supply |
| Pin produk 20 | AVSS — Analog ground |
| Pin produk 21 | RB0 — I/O port B bit 0 / PGED1 |
| Pin produk 22 | RB1 — I/O port B bit 1 / PGEC1 |
| Pin produk 23 | RB2 — I/O port B bit 2 |
| Pin produk 24 | RB3 — I/O port B bit 3 |
| Pin produk 25 | RB4 — I/O port B bit 4 |
| Pin produk 26 | RB5 — I/O port B bit 5 |
| Pin produk 27 | RB6 — I/O port B bit 6 |
| Pin produk 28 | RB7 — I/O port B bit 7 |
| Pin produk 29 | RC0 — I/O port C bit 0 |
| Pin produk 30 | RC1 — I/O port C bit 1 |
| Pin produk 31 | RC2 — I/O port C bit 2 |
| Pin produk 32 | RC3 — I/O port C bit 3 |
| Pin produk 33 | RC4 — I/O port C bit 4 |
| Pin produk 34 | RC5 — I/O port C bit 5 |
| Pin produk 35 | RC6 — I/O port C bit 6 |
| Pin produk 36 | RC7 — I/O port C bit 7 |
| Pin produk 37 | RD0 — I/O port D bit 0 |
| Pin produk 38 | RD1 — I/O port D bit 1 |
| Pin produk 39 | RD2 — I/O port D bit 2 |
| Pin produk 40 | RD3 — I/O port D bit 3 |
| Pin produk 41 | RD4 — I/O port D bit 4 |
| Pin produk 42 | RD5 — I/O port D bit 5 |
| Pin produk 43 | RD6 — I/O port D bit 6 |
| Pin produk 44 | RD7 — I/O port D bit 7 |
| Pin produk 45 | VDD — Positive supply voltage |
| Pin produk 46 | VSS — Ground reference |
| Pin produk 47 | RF0 — I/O port F bit 0 / LCD SEG |
| Pin produk 48 | RF1 — I/O port F bit 1 / LCD SEG |
| Pin produk 49 | RF2 — I/O port F bit 2 / LCD SEG |
| Pin produk 50 | RF3 — I/O port F bit 3 / LCD SEG |
| Pin produk 51 | RF4 — I/O port F bit 4 / LCD SEG |
| Pin produk 52 | RF5 — I/O port F bit 5 / LCD SEG |
| Pin produk 53 | RF6 — I/O port F bit 6 / LCD SEG |
| Pin produk 54 | RF7 — I/O port F bit 7 / LCD SEG |
| Pin produk 55 | RG0 — I/O port G bit 0 / LCD COM |
| Pin produk 56 | RG1 — I/O port G bit 1 / LCD COM |
| Pin produk 57 | RG2 — I/O port G bit 2 / LCD COM |
| Pin produk 58 | RG3 — I/O port G bit 3 / LCD COM |
| Pin produk 59 | RG6 — I/O port G bit 6 / SCL2 |
| Pin produk 60 | RG7 — I/O port G bit 7 / SDA2 |
| Pin produk 61 | RG8 — I/O port G bit 8 / LCD COM |
| Pin produk 62 | RG9 — I/O port G bit 9 / LCD COM |
| Pin produk 63 | MCLR — Master Clear reset input (active low) |
| Pin produk 64 | OSC1 — Crystal oscillator input |
| Pin produk 65 | OSC2 — Crystal oscillator output |
| Pin produk 66 | VDD — Positive supply voltage |
| Pin produk 67 | VSS — Ground reference |
| Pin produk 68 | RH0 — I/O port H bit 0 |
| Pin produk 69 | RH1 — I/O port H bit 1 |
| Pin produk 70 | RH2 — I/O port H bit 2 |
| Pin produk 71 | RH3 — I/O port H bit 3 |
| Pin produk 72 | RH4 — I/O port H bit 4 |
| Pin produk 73 | RH5 — I/O port H bit 5 |
| Pin produk 74 | RH6 — I/O port H bit 6 |
| Pin produk 75 | RH7 — I/O port H bit 7 |
| Pin produk 76 | RJ0 — I/O port J bit 0 |
| Pin produk 77 | RJ1 — I/O port J bit 1 |
| Pin produk 78 | RJ2 — I/O port J bit 2 / USB D- |
| Pin produk 79 | RJ3 — I/O port J bit 3 / USB D+ |
| Pin produk 80 | VDD — Positive supply voltage |
Aplikasi Umum
PIC24FJ128GL408T-I/PT cocok untuk 6 aplikasis: Industrial Control Panel with LCD HMI, USB-Connected Medical Device, IoT Sensor Node with LCD Display, Automotive Body Controller with Segment LCD, Consumer Appliance with Touch Interface, Battery-Powered Data Logger.
Industrial Control Panel with LCD HMI
The PIC24FJ128GL408T-I/PT is ideal for industrial control panels because its integrated segmented LCD driver (up to 472 segments) eliminates the need for an external display controller IC, reducing BOM cost. The 32MHz/16 MIPS CPU handles real-time keypad scanning, sensor acquisition via the 12-bit ADC, and Modbus RTU communication over UART. With 128KB Flash and 32KB RAM, the device supports complex menu structures and multi-language firmware. The 80-pin TQFP package exposes enough I/O for multiple push-button matrices, rotary encoders, and status LEDs. Industrial -40C to +85C operation and AEC-Q100 qualification ensure reliable operation in factory environments with electrical noise and temperature swings.
Direkomendasikan
USB-Connected Medical Device
For USB-connected medical devices such as glucose meters, spirometers, or patient monitors, the PIC24FJ128GL408T-I/PT provides a complete solution with its on-chip USB 2.0 full-speed transceiver, eliminating external PHY cost. The ECC Flash with Dual Partition enables safe OTA firmware updates required for medical device lifecycle management. The 32KB RAM supports USB CDC class buffering while the CPU runs user-interface tasks. Low-power Sleep and Idle modes extend battery life in portable designs. The integrated LCD driver directly drives segmented displays for numeric readouts, and the 12-bit ADC handles sensor signal conditioning with adequate resolution for diagnostic-grade measurements.
Direkomendasikan
IoT Sensor Node with LCD Display
The PIC24FJ128GL408T-I/PT excels in IoT sensor nodes that need a local display for instant feedback. Its segmented LCD controller drives temperature, humidity, or air-quality readouts without a separate display IC. USB connectivity supports commissioning and firmware updates via a standard cable, while Dual Partition Flash ensures updates never brick the deployed node. The 16 MIPS performance handles BLE module bridging, sensor I2C/SPI traffic, and LCD refresh concurrently. With 128KB Flash, the device accommodates protocol stacks, sensor drivers, and OTA bootloader. Low Sleep current preserves battery life in intermittently-active deployments.
Direkomendasikan
Automotive Body Controller with Segment LCD
In automotive body controllers for HVAC panels, instrument clusters, or seat-control modules, the PIC24FJ128GL408T-I/PT's AEC-Q100 qualification and -40C to +125C variants provide the required automotive reliability. The integrated LCD driver directly drives segment-style dashboards with backlight control via PWM. USB 2.0 supports diagnostic interfaces and software reflashing at the dealership. CIPs (Core Independent Peripherals) like the 32-bit CRC and hardware RTCC offload time-critical automotive tasks from the CPU, reducing firmware complexity. The 128KB Flash with ECC prevents bit-flips from corrupting critical body-control firmware.
Direkomendasikan
Consumer Appliance with Touch Interface
For consumer appliances like washing machines, dishwashers, or microwave ovens, the PIC24FJ128GL408T-I/PT combines a touch-friendly LCD interface with USB service-port connectivity. The mTouch capacitive touch sensing peripheral integrated into the GL4 family supports sleek buttonless front panels. The 32KB RAM and 128KB Flash accommodate multi-step appliance state machines, fault logging, and user preference storage. Dual Partition Flash enables safe field firmware updates to add new wash cycles or fix bugs after deployment. The integrated LCD driver eliminates costly external display ICs in cost-sensitive consumer designs.
Direkomendasikan
Battery-Powered Data Logger
Battery-powered data loggers for environmental monitoring, cold-chain tracking, or asset management benefit from the PIC24FJ128GL408T-I/PT's low-power modes, large RAM buffer (32KB), and integrated LCD. The device can stay in Deep Sleep with RTC for months on a single battery cell while periodically waking to log sensor readings. The LCD directly displays min/max/avg values without external components. When service technicians connect via USB, the device enumerates as a Mass Storage device and exposes logged data as files. ECC Flash prevents silent data corruption during long-term logging deployments in harsh environments.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk PIC24FJ128GL408T-I/PT — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | PIC24FJ256GL408-I/PT | PIC24FJ128GL406-I/PT | PIC24FJ64GL408-I/PT | PIC24FJ128GB410-I/PT | PIC24FJ128GA610-I/PT |
|---|---|---|---|---|---|---|
| Brand | 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 |
| Flash Memory | 128 KB ECC | 256 KB ECC (+100%) | 128 KB ECC (same) | 64 KB ECC (-50%) | 128 KB ECC (same) | 128 KB (no ECC) |
| RAM | 32 KB | 64 KB (+100%) | 32 KB (same) | 32 KB (same) | 32 KB (same) | 32 KB (same) |
| CPU Speed | 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) |
| USB | USB 2.0 Full-Speed | USB 2.0 Full-Speed (same) | USB 2.0 Full-Speed (same) | USB 2.0 Full-Speed (same) | USB 2.0 Full-Speed (same) | USB 2.0 Full-Speed (same) |
| Dual Partition Flash (OTA) | Yes | Yes (same) | Yes (same) | Yes (same) | No (GB4 family older) | No (GA6 family older) |
| LCD Driver | Yes (segmented) | Yes (same) | Yes (segmented) | Yes (same) | Yes (same) | Yes (same) |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
Diferensiator Kunci
- Dual Partition Flash with OTA firmware update support (vsPIC24FJ128GB410-I/PT)
- Larger 472-segment LCD driver with charge pump (vsPIC24FJ128GA610-I/PT)
- Integrated Core Independent Peripherals (CIPs) including CLC and 32-bit CRC (vsPIC24FJ128DA110T-I/PT)
- ECC-protected Flash and RAM for reliability (vsPIC24FJ128GA106-I/PT)
Catatan Desain
Power supply decoupling is critical for the PIC24FJ128GL408T-I/PT's mixed-signal performance. Place a 0.1uF ceramic capacitor as close as possible to each VDD pin (9, 45, 66, 80) and a bulk 10uF tantalum or ceramic capacitor on the main supply rail. AVDD (pin 19) requires its own 0.1uF decoupling cap plus a small ferrite bead if analog noise is a concern. The on-chip voltage regulator requires a 10uF capacitor on its output for stability - consult the datasheet's Section on Voltage Regulator for the exact ESR requirements.
The 80-pin TQFP package has 0.5mm pitch which is challenging for hand-assembly but routable on 4-layer PCBs. For USB applications, route the D+ and D+ signals (RJ2/RJ3) as a 90-ohm differential pair with matched length, keep them away from noisy digital traces, and place the 15kohm pull-down on D- close to the MCU. The MCLR pin (63) requires a 10kohm pull-up and a 100nF cap to ground for noise immunity. Crystal traces (OSC1/OSC2, pins 64-65) should be short and surrounded by a ground guard ring to reduce EMI susceptibility.
Three common pitfalls when designing with PIC24FJ128GL408T-I/PT: (1) Failing to configure Configuration bits via MPLAB X with MCC - leaving defaults can lock the device into a debugger-only mode requiring a high-voltage programmer to recover. (2) Exceeding the 3.6V absolute maximum on any I/O pin will permanently damage the MCU; add TVS protection if the design interfaces with external connectors. (3) The LCD segment pins are multiplexed with general-purpose I/O - pin functions must be locked early because remapping is impossible without a PCB respin. Always verify Configuration bit settings match the hardware design before mass production.
Estimated: At maximum CPU activity (32MHz, USB active, LCD refresh, ADC sampling), the PIC24FJ128GL408T-I/PT draws approximately 30 mA from 3.3V, dissipating roughly 100 mW. The 80-pin TQFP package has theta_JA around 50 C/W, so junction temperature rise above ambient is approximately 5C - well within the 85C industrial limit. For enclosed designs with limited airflow, verify with thermal imaging during validation. The MCU self-heats only marginally, but a low-impedance ground plane helps dissipate any incidental switching noise.
Informasi Konformitas
AEC-Q100 qualified per Microchip product family description. RoHS and lead-free compliant per Microchip environmental compliance documentation. REACH compliant per EU regulation.