1
7743A–AERO–07/07
Features
•
Also known as SMCS116SpW
• Single
Bidirectional SpaceWire link allowing
– Full duplex communication
– Transmit rate from 1.25 up to 200 Mbit/s in each direction
– Supports Serial Transfer Universal Protocol (STUP)
•
Derived from the T7906 Single Point to Point IEEE 1355 High Speed Controller
– Known anomalies of the T7906 chip corrected
•
Host interface
– Gives read/write accesses to the AT7912E configuration registers
– Gives read/write accesses to the SpaceWire channel
•
ADC/ DAC interface
– Allows direct connection of an ADC with a width of up to 16 bits
– Allows direct connection of a DAC with up to 16 data lines and the required control
signals
•
FIFO interface
•
RAM interface
– 16-bit data bus and 16-bit address bus
– Four chip selects to address 4 different memory partitions
•
Two independent UART interfaces
•
24 Bidirectional General Purpose I/Os
•
Two 32-Bit Timers / Event Counters
•
SpaceWire Link Performance
– At 3.3V : 100Mbit/s full duplex communication
– At 5V : 200Mbit/s full duplex communication
•
Operating range
– Voltages
• 3V to 3.6V
• 4.5V to 5.5V
– Temperature
• - 55°C to +125°C
•
Maximum Power consumption
– At 3.6V with a 5MHz clock: 150mW
– At 5.5V with a 5MHz clock: 700mW
•
Radiation Performance
– Total dose tested successfully up to 50 Krad (Si)
– No single event latchup below a LET of 80 MeV/mg/cm2
•
ESD better than 2000V
•
Quality Grades
– QML-Q or V with SMD
•
Package: 100pins MQFPF
•
Mass: 3grams
Single
SpaceWire link
High Speed
Controller
AT7912E
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