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Introduction to Sercos interface
Advantages
Applications Types
Sercos III
Sercos I and II
Fiber Optics
ASICs
Timing & Interface
Sercos IDNs
I/O Functions
Cycle Times
Cyclic Operation
System Safety
Packaging Profile
Sercos Standardization
The SERCON ASICs are application-specific integrated circuits for Sercos I and II. While their use is not mandatory, the ASICs contain all the hardware-related functions of the Sercos interface, and considerably reduce the hardware costs for a design. They feature the capability to perform all sequencing and synchronization tasks, relieving the host microprocessor of these time-intensive functions. The ASIC is the direct link between the fiber-optic receiver and transmitter and the microprocessor that executes the control algorithms in a Sercos interface device. The same SERCON ASIC is used both for Sercos interface masters and slaves.

The current Sercos interface ASIC is the SERCON816, manufactured by STMicroelectronics in the 0.5 Ám/5V HCMOS technology. It operates at 2/4/8/16 Mbit/sec and is downward compatible with the now obsolete SERCON410B (2/4 Mbit/sec) ASIC.


Characteristics:

Pin to pin compatible to SERCON410B
Highly effective and much cheaper than its predecessor.
Transmission rate: 2, 4, 8 and 16 Mbaud
Dual port RAM 2K x 16-bit
256 mHz PLL for clock generation
Watchdog
Improved functionality
Shrunken die size
Improved layout

ASICS can be obtained from STMicroelectronics.


Ordering Information:

SERC816 = SERCON816 packed in trays
SERC816/TR = SERCON816 packed in tape & reel