3SwitchUnit(SU1)
Fig. 11 SU1 Blo ck Diagram
3.3.1 CPU Subsystem
The CPU subsystem uses a high perform
ance 64-bit RISC processor with the following memories:
• DDR3 D RAM
• Application FLASH (SD-memory card)
•BootFLASH
The application software is stored in FLASH memory. Thus, it is possible to update th e software
on the field when new softw are feature packs become availab le. Similarly, th e card and interface
parameters are s tore d in
FLASH, so those are restored after reset.
PLD
Various system control functions are embedd ed in SUP PLD.
I2C
I2C bus and switches are used for accessing devices such as EEPROMs, A/D converters and
temperature
sensors.
76.8670-40128B 8600 Smart Rou ters
© 2015 Coriant. 8665 Smart Router FP7.0 Reference Manual
41
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