LPC1778FET208K - 120MHz Cortex-M3 MCU | NXP Semiconductors
MPN: LPC1778FET208K ✗ Akhir HayatLPC1778FET208K Ringkasan
A microcontroller is a programmable system-on-chip that combines a processor core, nonvolatile program memory, data memory, and peripherals within one integrated circuit. The LPC1778 belongs to the Cortex-M3, 32-bit microcontroller, embedded processor, and semiconductor hierarchy. Its combination of communication interfaces, analog converters, and motor-control peripherals allows it to serve as the central controller in industrial, networking, communications, and embedded-control systems.
Key features include a 120 MHz ARM Cortex-M3 core, 512 kB of flash, and 96 kB of data memory. Connectivity includes Ethernet, USB 2.0 device, host, and OTG operation. The peripheral set also provides an 8-channel DMA controller, five UARTs, two CAN channels, three SSP/SPI interfaces, three I2C interfaces, I2S, an 8-channel 12-bit ADC, a 10-bit DAC, a quadrature encoder interface, and SD/MMC support.
The integrated architecture reduces the number of external components required for embedded communication and control designs. Flash stores the firmware, while data memory supports working state, buffers, and communication data. The DMA controller can transfer data between peripherals and memory with less processor intervention, while the Ethernet and USB interfaces support network-connected and host-oriented equipment. The ADC and DAC add analog measurement and output capability directly to the microcontroller platform.
Typical applications include industrial automation equipment, Ethernet-connected controllers, USB host or peripheral systems, CAN-based embedded networks, motor-control systems, data acquisition units, audio interfaces, and SD/MMC-based embedded products. The large TFBGA208 package exposes the broad collection of communication, analog, and general-purpose peripherals but requires careful escape routing and a multilayer PCB layout.
Designers should verify the complete ball assignments, power rails, decoupling requirements, clock configuration, and exposed-pad connection in the manufacturer datasheet before layout. A TFBGA208 device has fine-pitch balls and many power connections, so conservative power-plane geometry, short return paths, and thorough signal-integrity review are essential.
This page consolidates the manufacturer product information, interface capabilities, package details, application guidance, and verified drop-in alternatives. It also provides engineering-focused comparisons and design notes intended to make microcontroller selection and PCB implementation more efficient.
Pilihan pengganti yang segera untuk LPC1778FET208K — sama paket, pin-pin kompatibel. Bahagian paket yang berbeza memerlukan kerja ulang PCB diasingkan.
LPC1778FET208
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LPC1778FET208K Penilaian maksimum & Ciri-ciri Elektrik
| Product Type | 32-bit ARM Cortex-M3 microcontroller |
| Maximum CPU Frequency | 120 MHz |
| Processor Core | ARM Cortex-M3 |
| Flash Memory | 512 kB |
| Flash Organization | 512K x 8 bits |
| Data Memory | 96 kB |
| Ethernet Support | Yes |
| USB Support | USB 2.0 device, host, and OTG |
| DMA Controller | 8 channels |
| UART Count | 5 |
| CAN Channel Count | 2 |
| SSP/SPI Interface Count | 3 |
| I2C Interface Count | 3 |
| I2S Support | Yes |
| ADC | 8 channels, 12-bit resolution |
| DAC | 10-bit resolution |
| Quadrature Encoder Interface | Yes |
| SD/MMC Support | Yes |
| Motor Control Support | Yes |
| Kemasan | 208-ball TFBGA, 15 x 15 mm |
| Jenis Pemasangan | Surface mount |
Panduan Konfigurasi Pin LPC1778FET208K 208-ball tfbga, 15 x 15 mm
Konfigurasi pin untuk LPC1778FET208K (208-ball tfbga, 15 x 15 mm pakai). IC digital ini termasuk GPIO, antaramuka komunikasi (UART, SPI, I2C), dan pin kuasa. Rujuk dokumen pengeluar untuk fungsi pin alternatif dan opsi konfigurasi. Biasa digunakan dalam rancangan sistem ter嵌入式 dan PCB.
Tiada data garisan pin yang diperoleh untuk LPC1778FET208K.
Rujuk kepada lembaran data untuk konfigurasi pin penuh.
Aplikasi Biasa
LPC1778FET208K patut untuk 6 aplikasis: Industrial Automation Controller, Ethernet-Connected Embedded Control, USB Host and Dual-Role System, CAN-Based Vehicle or Equipment Node, Motor Control and Position Feedback, Data Acquisition and Logging Unit.
Industrial Automation Controller
The LPC1778FET208K fits industrial automation controllers that require deterministic real-time control alongside multiple industrial communication options. Its 120 MHz ARM Cortex-M3 core provides processing headroom for control logic, diagnostics, and communications, while five UARTs, two CAN channels, three SSP/SPI interfaces, and three I2C interfaces support sensors, actuators, remote I/O, and service equipment. The 8-channel DMA controller helps move peripheral data with reduced processor involvement. The 208-ball TFBGA exposes a broad peripheral set but demands careful multilayer routing, solid power distribution, and complete signal-integrity validation before industrial deployment.
Disebarkan
Ethernet-Connected Embedded Control
The LPC1778FET208K is suitable for Ethernet-connected embedded controllers because it combines an ARM Cortex-M3 core running up to 120 MHz with integrated Ethernet connectivity. Firmware can coordinate local control loops, maintain network services, and process data from remote sensors or supervisory systems without a separate network controller. Three I2C and three SSP/SPI interfaces allow expansion of local acquisition and output channels, while the 8-channel DMA controller supports efficient data movement. Board implementation should account for the TFBGA208 footprint, Ethernet magnetics or PHY integration, controlled-impedance routing, and isolation requirements when the equipment connects to external networks.
Disebarkan
USB Host and Dual-Role System
The LPC1778FET208K supports USB 2.0 device, host, and OTG operation, allowing it to serve as the principal controller in USB peripherals, host products, and dual-role equipment. Its 120 MHz Cortex-M3 core can manage USB protocol activity alongside other embedded tasks, and the integrated DMA controller can improve data-transfer efficiency. The 512 kB flash and 96 kB data memory provide space for firmware, descriptors, configuration data, and working buffers. A production design must add appropriate connector protection and power-path circuitry, route USB differential pairs carefully, validate device enumeration behavior, and confirm compliance for the finished USB product.
Disebarkan
CAN-Based Vehicle or Equipment Node
The LPC1778FET208K can serve as a CAN-connected controller in vehicle, industrial, or mobile equipment requiring a 120 MHz embedded processor and extensive peripheral integration. Two CAN channels support segmented network designs, while five UARTs and three I2C interfaces provide additional diagnostic or sensor connectivity. The quadrature encoder interface is useful for position feedback, and the 8-channel 12-bit ADC supports analog monitoring. For automotive use, confirm temperature rating, qualification status, power behavior, and functional-safety requirements in the current manufacturer documentation. The TFBGA208 package also requires a fine-pitch assembly process and validated thermal design.
Disebarkan
Motor Control and Position Feedback
The LPC1778FET208K fits embedded motor-control systems requiring a fast processor, analog measurement, position feedback, and flexible communications. Its 120 MHz ARM Cortex-M3 core can execute motor-control algorithms, the quadrature encoder interface supports rotational or linear position sensing, and the 8-channel 12-bit ADC can acquire analog feedback signals. The 10-bit DAC provides an analog output function, while three SSP/SPI channels can connect to gate drivers, sensors, or external converters. A robust implementation must include suitable power stages, current and position sensing, overcurrent protection, thermal management, deterministic timing, and careful separation of noisy motor power from sensitive control circuitry.
Disebarkan
Data Acquisition and Logging Unit
The LPC1778FET208K supports compact data-acquisition and logging units because it combines 120 MHz processing, an 8-channel 12-bit ADC, 96 kB of data memory, and extensive serial interfaces. Acquisition channels can be managed alongside SD/MMC storage, Ethernet reporting, USB data transfer, or wireless-module communication. The 8-channel DMA controller is useful for transferring sampled or serial data while firmware handles control, filtering, timestamps, and status reporting. Designers should define analog input ranges, sampling rates, grounding, isolation, storage endurance, and connector protection before fixing the analog front end. The TFBGA208 package requires a multilayer PCB and disciplined power, thermal, and routing layout.
Disebarkan
Ringkasan Produk Disebarkan
Data referensi kejuruteraan untuk LPC1778FET208K — perbandingan, panduan rancangan, dan maklumat kesediaan
Panduan Pilihan
Perbandingan dengan Gantian
| Parametr | Produk Ini | LPC1778FET208 |
|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors |
| Package | 208-ball TFBGA (15 x 15 mm) | 208-ball TFBGA (15 x 15 mm) |
| Processor Core | ARM Cortex-M3 | ARM Cortex-M3 |
| Maximum CPU Frequency | 120 MHz | 120 MHz |
| Flash Memory | 512 kB | 512 kB |
| Data Memory | 96 kB | 96 kB |
| Connectivity | Ethernet, USB 2.0 device/host/OTG, 5 UART, 2 CAN, 3 SSP/SPI, 3 I2C, I2S, SD/MMC | Ethernet, USB 2.0 device/host/OTG, 5 UART, 2 CAN, 3 SSP/SPI, 3 I2C, I2S, SD/MMC |
| Analog Converters | 8-channel 12-bit ADC and 10-bit DAC | 8-channel 12-bit ADC and 10-bit DAC |
| Ordering Suffix | K | No K suffix |
Penyeberangsung Jelas
- Integrated connectivity reduces the need for multiple interface devices (vsLPC1778FET208)
- High processing performance with substantial embedded memory (vsLPC1778FET208)
- Exact NXP 208-ball TFBGA ordering pathway (vsLPC1778FET208)
Catatan Desain
Use the manufacturer TFBGA208 land pattern and ball-assignment table as the controlling PCB footprint reference. Place all bypass capacitors close to their intended power balls, with short ground returns into the relevant plane. The fine-pitch 208-ball package requires laser-drilled microvias or an appropriate via-in-pad process if routing between layers beneath the device is necessary. Complete escape routing, via current-capacity analysis, solder-mask and paste design checks before releasing fabrication data.
Separate core and I/O supply planning as specified in the manufacturer datasheet, and provide local high-frequency decoupling at every applicable power ball. Follow the exact recommended capacitor type, voltage rating, placement, and effective capacitance criteria in the device documentation. Account for transient current from Ethernet, USB, and other communications activity when sizing supply paths. Do not infer the power-pin sequence or operating limits from the product summary; use the pin-description and power-consumption sections of the manufacturer datasheet.
Route Ethernet and USB differential pairs as controlled-impedance, tightly coupled traces over a continuous reference plane. Avoid stubs, test pads, and unnecessary layer transitions on high-speed nets, and keep switching or motor-power paths spatially separated from sensitive analog and communication signals. Validate the final stack-up with an appropriate signal-integrity workflow, especially when the board includes fanout routing beneath a fine-pitch TFBGA and external Ethernet magnetics.
Estimate worst-case board and junction temperature from processor activity, core voltage, I/O loading, and the selected ambient temperature before production. Although the manufacturer summary does not state a thermal resistance value, the large 208-ball TFBGA provides many connections that can be assigned to power or ground planes. Use those connections effectively, maintain uninterrupted thermal copper, and confirm the assembly process and exposed thermal features against the package drawing and manufacturer layout guidance.
Maklumat Kesediaan
The verified NXP product information identifies the device and package but does not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than being inferred.
