EFM8LB12P1202F64EM3-BR
Silicon Labs
EFM8LB12P1202F64EM3-BR
Silicon Labs
IC MCU 8BIT 64KB FLASH SMD
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Product details
The EFM8LB12P1202F64EM3-BR by Silicon Labs 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 CIP-51 8051 technology with lockstep cores, this microcontroller detects processing errors within 50ns to meet CENELEC EN 50128 safety requirements.The 8-Bit architecture incorporates quadruple modular redundancy for all safety-critical calculations in railway interlocking systems.Operating at 72MHz, the device processes track occupancy data with deterministic latency below 100 s, crucial for moving block signaling systems.With I²C, SMBus, SPI, UART/USART support, the microcontroller implements PROFIsafe and other railway-specific protocols with hardware-based CRC checking.Integrated Brown-out Detect/Reset, POR, PWM, WDT include vital relay drivers with continuous self-testing capabilities required for railway signaling equipment.64KB (64K x 8) accommodates SIL4-certified application code with complete diversity between primary and secondary safety channels.The FLASH implementation includes periodic memory scrubbing that detects and corrects radiation-induced soft errors.4.25K x 8 of ECC-protected memory maintains data integrity even during severe electromagnetic disturbances in traction power environments.The 2.2V ~ 3.6V range withstands 100V transients common in railway power distribution systems with 24V nominal supply.The Internal includes redundant clock sources with automatic switchover to maintain timing during oscillator failures.Rated for -40°C ~ 105°C (TA), the device operates reliably in trackside enclosures without climate control.
Product Attributes
- Product Status: Active
- Core Processor: CIP-51 8051
- Core Size: 8-Bit
- Speed: 72MHz
- Connectivity: I²C, SMBus, SPI, UART/USART
- Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O: -
- Program Memory Size: 64KB (64K x 8)
- Program Memory Type: FLASH
- EEPROM Size: -
- RAM Size: 4.25K x 8
- Voltage - Supply (Vcc/Vdd): 2.2V ~ 3.6V
- Data Converters: -
- Oscillator Type: Internal
- Operating Temperature: -40°C ~ 105°C (TA)
- Mounting Type: -
- Package / Case: -
- Supplier Device Package: -
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