TTP-C2NF communication controller

The TTP-Controller is an integrated device which implements functionalities and features described in the SAE AS6003 standard. It is designed using the DO 254-compliant C2NF chip and is commercially available in its third generation.

Key Benefits
• Dual-channel controller for redundant data transfers
• Dedicated controller supporting TTP (time-triggered protocol class C)
• Suited for dependable distributed real-time systems with guaranteed response time
• Asynchronous data rate up to 5 Mbit/s (MFM/Manchester)
• Synchronous data rate 5 to 25 Mbit/s
• Bus interface (speed, encoding) for each channel selectable independently
• 40 MHz main clock with support for 10 MHz crystal, 10 MHz oscillator or 40 MHz oscillator
• 16 MHz bus guardian clock with support for 16 MHz crystal or 16 MHz oscillator
• Single power supply 3.3V, 0.35 µm CMOS process
• 80 pin LQFP80 Package
• Operating temperature range from -40ºC to 125ºC
• 16k x 16 SRAM for message, status, control area (communication network interface) and for scheduling information (MEDL)
• 4k x 16 (plus parity) instruction code RAM for protocol execution code
• Data sheet conforms to protocol revision 2.04
• 16k x 16 instruction code ROM containing startup execution code and deprecated protocol code revision 1.00
• 16 Bit non-multiplexed asynchronous host CPU interface
• 16 Bit RISC architecture
• Software tools, design support, development boards available
• Certification support package according to RTCA/DO-254 DAL A available