Intel C2518 FH8065501516710 Data Sheet
Product codes
FH8065501516710
Volume 2—Gigabit Ethernet (GbE) Controller—C2000 Product Family
Architectural Overview
Intel
®
Atom™ Processor C2000 Product Family for Microserver
Datasheet, Vol. 2 of 3
September 2014
194
Order Number: 330061-002US
11.5
Architectural Overview
The integrated GbE controller uses descriptor queues and Direct Memory Access
shows an architectural overview of the controller and the interface
to the platform board. The number of LAN Ports available varies by product SKU. Key
parts of the diagram are explained. The queues and the DMA are described in the
Intel
®
Atom™ Processor C2000 Product Family Integrated GbE Controller
Programmer’s Reference Manual (PRM).
Figure 11-2. System Architecture and Interface
SerDes / SGMII
GbE MAC
SerDes / SGMII
GbE MAC
SerDes / SGMII
GbE MAC
Queue Management & DMA
SerDes / SGMII
GbE MAC
TX
FIFO
RX
FIFO
TX
FIFO
RX
FIFO
TX
FIFO
RX
FIFO
TX
FIFO
RX
FIFO
Management
PCI Express Integrated Endpoint
SoC Root Complex
SMBus or NC-SI
Ref CLK
LEDs
SDP
MDIO
or I
2
C
Pin
Straps
LAN Port 0
LAN Port 1
LAN Port 2
LAN Port 3
Queues
Queues
Queues
Queues
SPI for
External
EEPROM