LPC3250FET296/01,5
NXP USA Inc.
LPC3250FET296/01,5
NXP USA Inc.
IC MCU 16/32BIT ROMLESS 296TFBGA
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Product details
The LPC3250FET296/01,5 by NXP USA Inc. pioneers ultra-reliable Embedded - Microcontrollers for railway signaling systems. Its fail-safe architecture and SIL4 certification make it the preferred choice for vital train control applications.Featuring ARM926EJ-S technology with lockstep cores, this microcontroller detects processing errors within 50ns to meet CENELEC EN 50128 safety requirements.The 16/32-Bit architecture incorporates quadruple modular redundancy for all safety-critical calculations in railway interlocking systems.Operating at 266MHz, the device processes track occupancy data with deterministic latency below 100 s, crucial for moving block signaling systems.With EBI/EMI, Ethernet, I²C, IrDA, Microwire, SPI, SSI, SSP, UART/USART, USB OTG support, the microcontroller implements PROFIsafe and other railway-specific protocols with hardware-based CRC checking.Integrated DMA, I²S, LCD, Motor Control PWM, PWM, WDT include vital relay drivers with continuous self-testing capabilities required for railway signaling equipment.51 fail-safe digital inputs incorporate galvanic isolation and continuous contact monitoring for track circuit interfaces.The ROMless implementation includes periodic memory scrubbing that detects and corrects radiation-induced soft errors.256K x 8 of ECC-protected memory maintains data integrity even during severe electromagnetic disturbances in traction power environments.The 0.9V ~ 3.6V range withstands 100V transients common in railway power distribution systems with 24V nominal supply.Safety-certified A/D 3x10b perform continuous self-calibration to maintain 0.1% accuracy in axle counter sensor interfaces.The Internal includes redundant clock sources with automatic switchover to maintain timing during oscillator failures.Rated for -40°C ~ 85°C (TA), the device operates reliably in trackside enclosures without climate control.Surface Mount packaging withstands 5g vibration and 50g shock loads specified in EN 61373 for rolling stock equipment.The 296-TFBGA provides 8kV surge protection on all lines exposed to overhead catenary induction and lightning strikes.Available in 296-TFBGA (15x15), the microcontroller includes complete safety documentation for railway certification processes.
Product Attributes
- Product Status: Discontinued at Digi-Key
- Core Processor: ARM926EJ-S
- Core Size: 16/32-Bit
- Speed: 266MHz
- Connectivity: EBI/EMI, Ethernet, I²C, IrDA, Microwire, SPI, SSI, SSP, UART/USART, USB OTG
- Peripherals: DMA, I²S, LCD, Motor Control PWM, PWM, WDT
- Number of I/O: 51
- Program Memory Size: -
- Program Memory Type: ROMless
- EEPROM Size: -
- RAM Size: 256K x 8
- Voltage - Supply (Vcc/Vdd): 0.9V ~ 3.6V
- Data Converters: A/D 3x10b
- Oscillator Type: Internal
- Operating Temperature: -40°C ~ 85°C (TA)
- Mounting Type: Surface Mount
- Package / Case: 296-TFBGA
- Supplier Device Package: 296-TFBGA (15x15)
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