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Chapter 2
Product Overview
8
Reference Manual
CoreModule 745
Major Component (ICs) Definitions
lists the major ICs, including a brief description of each, on the CoreModule 745.
and
show the locations of the major ICs.
Table 2-1. Major Component Descriptions and Functions
Chip Type
Mfg.
Model
Description
Function
CPU (U1)
Intel
Atom N455 or D525 1.67GHz or 1.83GHz
processor with 8-way
L2 cache
Integrates
Processor core
and Graphics
Memory
Controller Hub
I/O Hub (U2)
Intel
82801HBM
(ICH8-M)
I/O Hub for some
common user
interfaces
Provides
Southbridge
interfaces and
off loads some
Northbridge
functions from
the CPU
Gigabit Ethernet
Controller (U4)
Intel
82574IT
Gigabit Ethernet
controller
Generates PCIe
10T/100TX/
1000T Ethernet
signals
PCI-to-ISA Bridge
(U8)
ITE
ITE8888G-L
Interface between PCI
bus and ISA bus
Migrates legacy
ISA bus
Super I/O Hub
(U9)
SMSC
SCH3114I-NU
Super I/O controller
Provides
complete legacy
Super I/O
functionality
RS-232 Transceiver
(U11 - on bottom
side) [see
]
Analog
Devices
ADM213EARSZ
Transceiver for Serial 1
and Serial 2 RS-232
signals
Transmits and
receives RS-232
signals for
COM1 and
COM2
RS-422/485
Transceiver (U12 -
on bottom side) [see
]
Linear
Technology
LTC1334CG
Transceiver for Serial 1
and Serial 2 RS-485/
422 signals
Transmits and
receives RS-
485/422 signals
for COM1 and
COM2
CPLD (U17 - on
bottom side) [see
]
Xilinx
XC9536XL
Complex
Programmable Logic
Device (not user
programmable)
Provides control
for Power
Sequencing
SPI Flash (U32) - on
bottom side [see
]
Winbond
W25Q64BVSSIG
Serial Peripheral
Interface Flash
Memory chip (for
firmware)
Stores BIOS in
Flash Memory
SSD (Solid State
Drive, U33 - on
bottom side [see
])
Greenliant
GLS85LP1004P
Industrial-grade,
soldered solid-state
storage module
Provides solid
state storage
through the IDE
channel