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NXP Semiconductors LPC4357JBD208K
- Part No.:
- LPC4357JBD208K
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 208-LQFP
- Datasheet:
-
LPC4357JBD208K.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 208LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,069
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Product details
Overview
LPC4357JBD208K from NXP Semiconductors is a dual-core ARM Cortex-M4F/M0 microcontroller in LQFP208 package, operating up to 204 MHz with 1 MB flash (512 kB per bank), 136 kB SRAM, and integrated Ethernet MAC, dual high-speed USB, LCD controller, and EMC. It targets industrial automation and motor control systems requiring real-time processing, deterministic I/O, and multi-protocol connectivity.
For engineers reviewing the LPC4357JBD208K datasheet, LPC4357JBD208K pinout, LPC4357JBD208K application, or LPC4357JBD208K equivalent, key selection criteria include dual-core asymmetric processing capability, 204 MHz M4F + 204 MHz M0 co-processor performance, IEEE 1588 Ethernet timestamping, quad-SPI execute-in-place support, and 142 GPIO pins with GIMA crossbar routing.
Technical Context
The LPC4357JBD208K implements a tightly coupled dual-core architecture where the Cortex-M4F handles real-time signal processing and control loops while the Cortex-M0 offloads peripheral management and deterministic I/O handling. Both cores operate at up to 204 MHz and share access to AHB peripherals via a multilayer matrix interconnect.
Its memory subsystem includes dual-bank flash with independent erase/program operations, 136 kB SRAM distributed across five blocks (including local SRAM for each core), 16 kB EEPROM, and 64 kB ROM containing boot code and USB/SD/MMC drivers. The Global Input Multiplexer Array (GIMA) enables flexible event routing between timers, ADCs, SCTimer/PWM, and GPIOs without CPU intervention.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Dual ARM Cortex-M4F (204 MHz) + Cortex-M0 (204 MHz); enables asymmetric real-time task partitioning with hardware FPU on M4F. |
| Memory | 1 MB dual-bank flash (512 kB/bank), 136 kB SRAM (5 blocks), 16 kB EEPROM, 64 kB ROM - supports concurrent firmware updates and secure boot. |
| Connectivity | 10/100T Ethernet MAC with RMII/MII and IEEE 1588 v2 timestamping; two HS USB 2.0 interfaces (one OTG-capable with on-chip PHY). |
| Analog Peripherals | Two 10-bit ADCs (400 kS/s, 8 channels each); one 10-bit DAC (400 kS/s) - suitable for closed-loop analog feedback in motor control. |
| Digital Peripherals | State Configurable Timer (SCTimer/PWM) with event-driven state machine; External Memory Controller (EMC) supporting SDRAM/NOR/SRAM; Quad SPI Flash Interface (SPIFI) with 52 MB/s throughput. |
| I/O & Packaging | 142 GPIO pins with configurable pull-up/down, DMA-capable ports, and GIMA crossbar; housed in 208-pin LQFP (28 × 28 × 1.4 mm, SOT459-1). |
Pinout & Package
Package: Plastic low-profile quad flat package (LQFP208), 208 leads, body size 28 mm × 28 mm × 1.4 mm (SOT459-1), lead pitch 0.5 mm, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0_0 | GPIO0[0] / SSP1_MISO / ENET_RXD1 | Multi-function digital I/O; supports Ethernet receive data line 1 in RMII/MII mode or SPI slave input - critical for dual-protocol interface sharing. |
| P1_15 | GPIO0[2] / ENET_RXD0 / U2_TXD | Shared Ethernet RXD0 and USART2 transmit pin - enables compact Ethernet+serial co-design with pin multiplexing control via SCU registers. |
| P1_18 | GPIO0[13] / ENET_TXD0 / T0_MAT3 | Ethernet transmit data line 0 with timer match output capability - allows precise timing synchronization of packet transmission with hardware timer events. |
| P1_19 | ENET_TX_CLK / SSP1_SCK / CLKOUT | Configurable clock source: Ethernet reference clock (RMII), SPI serial clock, or general-purpose clock output - eliminates need for external clock generator in time-sensitive applications. |
| P1_20 | GPIO0[15] / SSP1_SSEL | Slave Select for SSP1; also usable as general-purpose I/O - supports daisy-chained SPI peripherals or standalone GPIO control without dedicated chip-select logic. |
Key Features
| Feature | Design Value |
|---|---|
| Dual-core asymmetric processing | Independent Cortex-M4F (signal processing/FPU) and Cortex-M0 (peripheral control) cores enable deterministic real-time response while offloading background tasks. |
| IEEE 1588-2008 v2 Ethernet | Hardware timestamping engine with sub-microsecond accuracy supports precision time protocol (PTP) in industrial Ethernet networks like PROFINET IRT. |
| SCTimer/PWM subsystem | Event-triggered state machine with programmable transitions replaces multiple traditional timers - reduces firmware complexity in motor commutation and lighting control. |
| GIMA crossbar routing | Allows any GPIO, timer, ADC, or SCTimer output to trigger any compatible peripheral input without CPU involvement - enables ultra-low-latency sensor-to-actuator paths. |
| Quad SPI Flash Interface (SPIFI) | 4-lane interface enabling execute-in-place (XIP) from external SPI flash at up to 52 MB/s - eliminates need for large internal flash while maintaining code execution speed. |
Applications
| Industrial Motor Control | Embedded Audio Processing |
|---|---|
Use Scenario: Three-phase BLDC motor drive with field-oriented control (FOC), current sensing, and real-time PWM generation. IC Role / Device Role / Timing Role: LPC4357JBD208K serves as main motion controller with M4F executing FOC algorithm and M0 managing encoder QEI, ADC sampling, and gate driver PWM outputs. Use Value: Integrated motor control PWM, QEI, dual 10-bit ADCs (400 kS/s), and SCTimer enable precise commutation timing and current loop closure within <5 µs latency. | Use Scenario: Multi-channel audio mixer with I2S input/output, equalization, and USB audio class streaming. IC Role / Device Role / Timing Role: LPC4357JBD208K acts as audio SoC: M4F performs DSP filtering and mixing; M0 handles USB audio class enumeration and I2S clock domain bridging. Use Value: Dual I2S interfaces (each with DMA), hardware FPU for floating-point FIR filters, and HS USB 2.0 OTG ensure glitch-free 24-bit/96 kHz audio streaming. |
| Smart Energy Metering | Industrial PLC I/O Module |
Use Scenario: DIN-rail mounted e-meter with metrology, tamper detection, RS-485 communication, and secure firmware updates. IC Role / Device Role / Timing Role: LPC4357JBD208K functions as metering controller: M4F runs metrology algorithms; M0 manages SD/MMC logging, RTC alarm, and isolated UART/RS-485 transceivers. Use Value: 16 kB EEPROM for calibration data storage, ultra-low-power RTC with battery backup, and dual CAN 2.0B controllers support secure firmware OTA and utility communication protocols. | Use Scenario: Modular PLC backplane node with analog/digital I/O expansion, EtherCAT slave interface, and diagnostics. IC Role / Device Role / Timing Role: LPC4357JBD208K operates as EtherCAT slave controller: M4F handles process data mapping and DC sync; M0 manages GPIO interrupt aggregation and watchdog supervision. Use Value: IEEE 1588 timestamping enables sub-1 µs EtherCAT cycle synchronization; EMC supports external SDRAM for process data buffering; 142 GPIOs allow direct connection to 32-channel I/O modules. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-core microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LPC4357FET256 | LBGA256 package (256-ball), wider temperature range (-40 °C to +85 °C vs. J-grade -40 °C to +105 °C), same core/peripherals. | Preferred for space-constrained PCBs with BGA assembly capability and lower ambient thermal requirements. | Select when board area is limited and thermal profile permits commercial-grade operation. |
| LPC4353JBD208 | 512 kB flash (256 kB per bank), identical LQFP208 package and temperature grade; otherwise functionally identical. | Suitable for cost-sensitive designs where full 1 MB flash is unnecessary and firmware size fits within 512 kB. | Choose when application firmware footprint is ≤450 kB and budget constraints favor reduced flash density. |
Compared with LPC4357FET256, the LPC4357JBD208K offers higher temperature tolerance and easier reworkability in LQFP; compared with LPC4353JBD208, it provides double flash capacity for complex bootloader+application+OTA image storage - critical for field-upgradable industrial devices.
Availability
LPC4357JBD208K is available at Aetrix Electronics and suitable for industrial automation, motor control, and embedded audio applications requiring stable component supply, long-term lifecycle support, and guaranteed traceability.
Supply support for LPC4357JBD208K includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and IoT markets.
The LPC43xx product line was designed for high-performance embedded control applications demanding dual-core determinism, rich analog/digital peripheral integration, and industrial-grade reliability - particularly targeting motor drives, PLCs, and smart grid infrastructure.
FAQ
What is the maximum operating frequency of the LPC4357JBD208K?
The LPC4357JBD208K supports a maximum CPU frequency of 204 MHz for both its ARM Cortex-M4F and Cortex-M0 cores. This frequency is achieved using the on-chip PLLs fed by either an external crystal (1–25 MHz) or the internal 12 MHz RC oscillator. The 204 MHz operation is validated across the full industrial temperature range (-40 °C to +105 °C) specified for the J-grade variant.
Does the LPC4357JBD208K include hardware support for IEEE 1588 Precision Time Protocol?
Yes, the LPC4357JBD208K integrates full IEEE 1588-2008 v2 hardware timestamping within its 10/100T Ethernet MAC. It supports both one-step and two-step timestamping modes, with hardware capture of transmit and receive timestamps at the PHY boundary. This enables sub-microsecond synchronization accuracy required for industrial Ethernet protocols such as PROFINET IRT and EtherCAT.
How many GPIO pins are available on the LPC4357JBD208K in the LQFP208 package?
The LPC4357JBD208K provides 142 GPIO pins in its LQFP208 package. These are distributed across 16 ports (P0–P9, PA–PF), with up to 20 pins per port. All GPIOs support configurable pull-up/pull-down resistors, edge/level-sensitive interrupts, DMA access via AHB, and multiplexing through the System Configuration Unit (SCU) to over 100 alternate functions including Ethernet, USB, SPI, I2C, I2S, and ADC inputs.
What memory resources does the LPC4357JBD208K provide beyond main flash and SRAM?
Beyond 1 MB dual-bank flash and 136 kB SRAM, the LPC4357JBD208K includes 16 kB on-chip EEPROM for non-volatile parameter storage, 64 kB ROM containing certified USB stack, SD/MMC drivers, and boot firmware, plus 64-bit + 256-bit One-Time Programmable (OTP) memory for device-specific keys and calibration data - all accessible without external components.
Is the LCD controller available on the LPC4357JBD208K?
Yes, the LCD controller is available on the LPC4357JBD208K. As confirmed in Table 2 of the datasheet, the LPC4357 variant (including JBD208 package) supports the LCD controller with DMA, programmable resolution up to 1024×768, STN/TFT panel support, and CLUT/direct pixel mapping - unlike LPC433x/2x/1x variants which omit this peripheral.
LPC4357JBD208K Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 208-LQFP
- Series:
- LPC43xx
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M4/M0
- Core Size:
- 32-Bit Dual-Core
- Speed:
- 204MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, IrDA, Microwire, QEI, SD, SPI, SSI, SSP, UART/USART, USB, USB OTG
- Peripherals:
- Brown-out Detect/Reset, DMA, I2S, POR, WDT
- Number of I/O:
- 142
- Program Memory Size:
- 1MB (1M x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 16K x 8
- RAM Size:
- 136K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.4V ~ 3.6V
- Data Converters:
- A/D 8x10b; D/A 1x10b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
LPC4357JBD208K FAQ
1.How can I place an order for LPC4357JBD208K through Aetrix?
Please submit a Request for Quotation (RFQ) for LPC4357JBD208K on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LPC4357JBD208K reliable?
The price and inventory of LPC4357JBD208K are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LPC4357JBD208K is usually 5 days.
3.What payment methods are accepted for LPC4357JBD208K?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LPC4357JBD208K transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LPC4357JBD208K?
LPC4357JBD208K orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LPC4357JBD208K order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LPC4357JBD208K?
For technical support, including LPC4357JBD208K datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LPC4357JBD208K requirements.
6.How does Aetrix verify that LPC4357JBD208K is sourced from the original manufacturer or authorized distributors?
All LPC4357JBD208K products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LPC4357JBD208K meets industry standards.
7.What is the process for return or replacement of LPC4357JBD208K?
All LPC4357JBD208K units undergo pre-shipment inspection (PSI). If there is an issue with LPC4357JBD208K, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LPC4357JBD208K part is unused and in its original packaging.
Return procedure for LPC4357JBD208K:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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