TAHOE 8724 User Guide
Rev: 01
8/10/2017
Page 12 OF 45
Interface Masters Technologies Inc. Confidential & Proprietary
2
Major Components
2.1
CN78XX Processor
2.1.1
CN78XX Processor Overview
The Cavium OCTEON III CN78XX Multicore MIPS processor is the main
processor used in this system
.
The CN78XX has Four 72-bit DRAM controllers and
support DDR4 SPD. It includes Eight groups of four SERDES configured for various
Ethernet interfaces or PCI-e 3.0.
The following interfaces are provided by this part:
•
Boot bus
•
Four x SMI/MDIO bus
•
Two x TWSI bus
•
Two x UART
•
SPI
•
eMMC/SD
•
USB 3.0 Host
•
Eight QLMs SerDes block with four lanes each
•
Four 72b DDR4 interface
