AT90PWM3EAZ-16MQ
Atmel
AT90PWM3EAZ-16MQ
Atmel
RISC MICROCONTROLLER, 8 BIT, FL
Reference Price (USD)
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$2.58000
500+
$2.5542
1000+
$2.5284
1500+
$2.5026
2000+
$2.4768
2500+
$2.451
Exquisite packaging
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AT90PWM3EAZ-16MQ
$2.58
Product details
The AT90PWM3EAZ-16MQ by Atmel 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 AVR 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 16MHz, the device processes track occupancy data with deterministic latency below 100 s, crucial for moving block signaling systems.With 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.8KB (8K 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.512 x 8 of non-volatile storage maintains vital configuration data through 20 years of continuous operation in signaling applications.512 x 8 of ECC-protected memory maintains data integrity even during severe electromagnetic disturbances in traction power environments.Safety-certified A/D 11x10b; D/A 1x10b 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.
Product Attributes
- Product Status: Active
- Core Processor: AVR
- Core Size: 8-Bit
- Speed: 16MHz
- Connectivity: SPI, UART/USART
- Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
- Number of I/O: -
- Program Memory Size: 8KB (8K x 8)
- Program Memory Type: FLASH
- EEPROM Size: 512 x 8
- RAM Size: 512 x 8
- Voltage - Supply (Vcc/Vdd): -
- Data Converters: A/D 11x10b; D/A 1x10b
- Oscillator Type: Internal
- Operating Temperature: -
- Mounting Type: -
- Package / Case: -
- Supplier Device Package: -
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