LPC4078FET208 - 32-bit Arm Cortex-M4 MCU, 512KB Flash | NXP
料号： LPC4078FET208 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $12.85 | $12.85 |
| 10 | $11.78 | $117.80 |
| 100 | $10.46 | $1,046.00 |
| 500 | $9.18 | $4,590.00 |
| 1,000 | $8.05 | $8,050.00 |
LPC4078FET208 概述
A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, and a rich set of on-chip peripherals such as timers, communication interfaces, and analog blocks. Arm Cortex-M4 microcontrollers target deterministic real-time control and signal processing, occupying the mid-performance tier between Cortex-M0/M3 microcontrollers and Cortex-M7 high-end parts. The LPC407x family extends the Cortex-M4 lineage with NXP's familiar LPC peripheral set (EMC, Ethernet, USB, CAN, SPIFI) aimed at industrial communication, motor control, and human-machine interface designs.
Key features include 512 KB Flash with in-system programming, 96 KB SRAM plus 4 KB EEPROM emulation, a 10/100 Ethernet MAC, two USB 2.0 controllers (Host/Device/OTG and Device/Host), two CAN 2.0B controllers, four UARTs, three enhanced I2C-bus interfaces (one Fast-mode Plus up to 1 Mbit/s), three SSP/SPI controllers, an I2S audio interface, an external memory controller (EMC) supporting SRAM, NOR Flash, and SDRAM, and a Quad-SPI Flash Interface (SPIFI) for high-speed off-chip code execution. An 8-channel 10-bit ADC and a 10-bit DAC support mixed-signal feedback, while four timers plus a PWM/Motor Control PWM unit handle power-conversion and motor drive tasks. The part supports 1.8 V to 3.6 V single-supply operation with brownout detect and on-chip power profiles.
The architecture combines the Cortex-M4 main core with an Arm Cortex-M0 coprocessor that offloads I/O servicing through shared peripherals, reducing interrupt latency for time-critical peripherals such as Ethernet, USB, and CAN. The 4 KB EEPROM and 96 KB SRAM are large enough to host full TCP/IP stacks, USB device classes, and graphical user interface libraries without external memory; the EMC and SPIFI extend code space if needed. JTAG, SWD, and the on-chip ROM bootloader (UART, USB, SPI) cover in-field firmware updates.
Typical applications include industrial Ethernet gateways, motor control (BLDC and stepper drives), building automation and HVAC controllers, point-of-sale terminals, USB peripherals, and human-machine interface panels with TFT LCD support. The 208-ball TFBGA exposes a wide external bus and the full peripheral set, fitting designs that need Ethernet plus USB plus CAN in one package.
When designing with this part, allocate decoupling capacitors near each VDD/VSS pair and keep the TFBGA break-out on inner layers for signal integrity. Plan the boot mode straps (ISP, USB-CRC for the 4078/4088 parts) carefully if your firmware will boot from external SPIFI rather than internal flash. Use NXP's LPC407x CMSIS-pack and the LPCXpresso / MCUXpresso IDE for driver support and example peripheral initialization.
This page synthesizes distributor pricing, drop-in alternative candidates, and practical design notes not found in a single manufacturer datasheet, providing an engineer-ready overview of the LPC4078FET208 in seconds.
直接替换替代料： LPC4078FET208 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： LPC4078FET208 （相同外形与封装尺寸） ——差异在于 Ethernet, Package, Supply Voltage, EEPROM, SRAM.
快速对比工具——选择替代料号进行并排对比：
LPC4088FET208
✅ 直接替换📋 参考替代料（不在目录中）
LPC4076FET208
✅ 直接替换📋 参考替代料（不在目录中）
LPC4074FET208
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
LPC4072FET208
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
LPC4078FET208 最大额定值与电气特性
| Core | Arm Cortex-M4 (with FPU and DSP) + Arm Cortex-M0 coprocessor |
| Maximum CPU Frequency | 120 MHz |
| Flash Memory | 512 KB |
| SRAM | 96 KB |
| EEPROM | 4 KB (emulated) |
| 封装 | 208-TFBGA (15x15 mm) |
| 电源电压 | 1.8 V to 3.6 V |
| 工作温度 | -40 C to +85 C (industrial) |
| USB | USB 2.0 Host/Device/OTG + USB 2.0 Device/Host |
| Ethernet | 10/100 MAC (MII/RMII) |
| CAN | 2x CAN 2.0B |
| UART | 4x UART |
| I2C | 3x (1x Fast-mode Plus 1 Mbit/s, 2x standard) |
| SSP/SPI | 3x SSP/SPI |
| I2S | 1x I2S audio interface |
| External Memory Controller (EMC) | Yes (SRAM/NOR/SDRAM) |
| SPIFI (Quad-SPI) | Yes |
| ADC | 8-channel 10-bit |
| DAC | 1x 10-bit |
| Timers / PWM | 4 general-purpose timers + motor-control PWM |
| Debug | JTAG + SWD + ROM bootloader (UART/USB/SPI) |
| RoHS 状态 | Compliant |
LPC4078FET208 208-tfbga (15x15 mm) 引脚配置指南
LPC4078FET208（208-tfbga (15x15 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： LPC4078FET208.
请参阅 数据手册 以查看完整引脚配置。
典型应用
LPC4078FET208 适用于 6 应用s: Industrial Ethernet Gateway, Brushless DC Motor Control (BLDC / PMSM), Building Automation / HVAC Controller, Point-of-Sale Terminal (PoS), Human-Machine Interface (HMI) Panel, USB Audio / USB Peripherals.
Industrial Ethernet Gateway
The LPC4078FET208's 10/100 Ethernet MAC with MII/RMII plus the Cortex-M0 I/O coprocessor makes it ideal for industrial protocol gateways that translate Modbus TCP, EtherNet/IP, or PROFINET to fieldbus. The M4 main core runs the application and TCP/IP stack, while the M0 offloads DMA-driven Ethernet frame handling, reducing jitter on real-time cycles. Integrated dual USB and dual CAN are useful for diagnostic and fieldbus back-channels in the same gateway.
推荐
Brushless DC Motor Control (BLDC / PMSM)
The LPC4078FET208's Cortex-M4 with FPU and DSP extensions runs field-oriented control (FOC) loops for BLDC and PMSM motors at PWM frequencies above 20 kHz. The on-chip motor-control PWM block drives three-phase half-bridges directly, while the 8-channel 10-bit ADC samples phase currents synchronously to the PWM reload. The M0 coprocessor can host housekeeping tasks such as CANopen comms without disturbing the motor control loop timing.
推荐
Building Automation / HVAC Controller
With dual CAN 2.0B for BACnet or CAN-SL fieldbuses, dual USB Host ports for touch panels or Wi-Fi dongles, Ethernet for BACnet/IP, and a 208-TFBGA exposing all peripherals, the LPC4078FET208 fits centralized building controllers that must speak multiple protocols at once. The 96 KB SRAM is sufficient for an embedded BACnet stack plus LCD UI; the EMC allows external SDRAM for a richer graphical user interface.
推荐
Point-of-Sale Terminal (PoS)
PoS terminals need a secure host CPU, USB device for PC link, USB host for printers/scanners, Ethernet for payment processors, and a TFT LCD. The LPC4078FET208 integrates all of these on a single 208-TFBGA die with 512 KB Flash for the application, 96 KB SRAM for transaction buffers, and the SPIFI for fast external Flash storage of fonts and graphics.
推荐
Human-Machine Interface (HMI) Panel
HMI panels pair an MCU with a TFT LCD, capacitive touch controller, and fieldbus. The LPC4078FET208's EMC can address enough SDRAM to hold frame buffers for 480x272 or 800x480 displays, while the I2S outputs audio prompts, and the SPIFI loads fonts and graphics. The dual USB Host ports accept Wi-Fi/Bluetooth dongles for wireless commissioning.
推荐
USB Audio / USB Peripherals
USB audio interfaces, USB mass storage, and USB HID devices benefit from the LPC4078FET208's two independent USB 2.0 controllers (Host/Device/OTG + Device/Host). The I2S peripheral streams audio to an external DAC such as the PCM5102A, while the M0 coprocessor handles USB isochronous endpoints with low jitter. The 208-TFBGA exposes both USB D+/D- pairs and all I2S data/clock signals without external muxing.
推荐
推荐产品汇总
工程参考数据： LPC4078FET208 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | LPC4088FET208 | LPC4076FET208 | LPC4074FET208 |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 208-TFBGA (15x15) | 208-TFBGA (15x15) - same | 208-TFBGA (15x15) - same | 208-TFBGA (15x15) - same |
| Core | Cortex-M4 + M0 | Cortex-M4 + M0 | Cortex-M4 + M0 | Cortex-M4 + M0 |
| Max CPU Frequency | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Flash | 512 KB | 512 KB | 256 KB | 128 KB |
| SRAM | 96 KB | 96 KB | 96 KB | 96 KB |
| USB | 2x USB 2.0 (Host/Device/OTG + Device/Host) | 2x USB 2.0 (with USB-CRC boot) | 2x USB 2.0 | 2x USB 2.0 |
| Ethernet / CAN / I2C | 10/100 MAC + 2x CAN + 3x I2C | 10/100 MAC + 2x CAN + 3x I2C | 10/100 MAC + 2x CAN + 3x I2C | 10/100 MAC + 2x CAN + 3x I2C |
关键差异点
- Dual-core Cortex-M4 + Cortex-M0 design （对比 LPC1778FET208)
- 512 KB Flash + 96 KB SRAM + 4 KB EEPROM （对比 LPC4076FET208)
- Two independent USB 2.0 controllers （对比 STM32F407IGH6)
设计说明
Estimated: at 120 MHz with both USB controllers active and Ethernet in RMII mode, the LPC4078FET208 typically draws around 80-110 mA from a 3.3 V supply. Place a 10 uF bulk + 100 nF decoupling pair on each of the VDD/VSS pin clusters per the datasheet decoupling diagram, and isolate the analog VDD/AVDD rail with a ferrite bead and 10 uF + 100 nF filter for the 10-bit ADC accuracy. Brownout reset should be enabled in the LPC4078 power profiles before USB enumeration to prevent lockup if the upstream 3.3 V regulator sags during a host plug-in event.
Estimated: the 208-TFBGA at 15x15 mm uses a fine 0.8 mm ball pitch and must be routed on inner microvia layers. Use a 4-layer stack-up with 50 ohm controlled-impedance traces for USB D+/D- (90 ohm differential), RMII to PHY, and SDRAM address/data on the EMC bus. Match the length of USB differential pair to within 150 mil; place the RMII PHY within 50 mm of the LPC4078 to keep skew below 50 ps. Use a continuous GND pour under the BGA and stitch the BGA thermal pad with 4+ vias to inner GND for thermal relief.
Do not confuse the LPC4078FET208 with the LPC1778FET208 - the latter is Cortex-M3 only and lacks the M0 coprocessor, FPU, and DSP. Also confirm boot-pin straps: P2[10] selects ISP via UART vs internal Flash on reset, and the LPC4078 vs LPC4088 differ in USB-CRC boot behavior. Verify against the bootloader chapter of the datasheet before locking the PCB.
合规信息
RoHS compliant per NXP product page. Not AEC-Q100 qualified - this part targets industrial / consumer, not automotive. Halogen-free status not stated in the verified data.
