Chapter 2
Major Component (ICs) Definitions
Table 2-1
lists the major ICs, including a brief description of each, on the CoreModule 720.
2-4
show the locations of the major ICs.
Table 2-1. Major Component Descriptions and Functions
Chip Type
CPU (U1)
DDR2 Memory - 1
(U2, U3, U4, U5)
DDR2 Memory - 2
(U6, U7, U8, U9 - on
bottom side [see
Figure
2-4])
PCH [Platform
Controller Hub
(U10)]
CAN Transceiver
(U12 - on bottom
side [see
Figure
2-4])
Gigabit Ethernet
Controller (U15)
Ethernet EEPROM
(U16)
LPC-to-ISA Bridge
(U17 - on bottom
side [see
Figure
2-4])
PCIe-to-PCI Bridge
(U18)
8
Mfg.
Model
Intel
Atom E620T, E660T,
or E680T
Hynix
H5PS2G83AFR-S6C
Hynix
H5PS2G83AFR-S6C
Intel
CS82TPCF
(PCH EG20T)
Texas
SN65HVD1040D
Instruments
Intel
82574IT
Atmel
AT25128B-SSHL-B
Fintek
F85226FG
PLX
PEX8112
Technology
Reference Manual
Product Overview
Figures 2-3
Description
Function
600MHz, 1.3GHz,
Integrates
or 1.6GHz processor
Processor Core
with 8-way L2 cache
and Graphics
Memory
Controller Hub
On-board DDR2
Provides high-
System Memory - 1
speed data
transfer
On-board DDR2
Provides high-
System Memory - 2
speed data
transfer
I/O Hub for
Provides
common user
Southbridge
interfaces
interfaces and
off loads some
Northbridge
functions from
the CPU
Transceiver for
Provides up to
Controller Area
1 Mbps of
Network (CAN)
differential
transmit and
receive
capabilities for
the CAN
controller in the
PCH
Gigabit Ethernet
Generates PCIe
controller
10T/100TX/
1000T Ethernet
signals
Three-Wire Serial
Provides storage
EEPROM for
for MAC
Gigabit Ethernet
addresses, serial
Controller
numbers, and
pre-boot
configuration
data
LPC-to-ISA
Migrates legacy
interface
ISA interfaces
PCIe-to-PCI
Migrates legacy
interface
PCI interfaces
CoreModule 720
and
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