2
Overview
1.2
Major Components (ICs)
Table 1-1 lists the major integrated circuits on the LEC-BTS, including a brief description of each
IC. Figures 1-2 and 1-3 show the locations of the major ICs.
Figure 1-2: Component Locations (Top Side)
Table 1-1: Major Integrated Circuit Descriptions and Functions
Chip Type
Mfg.
Model
Description
Function
CPU (U1)
Intel
• E3805 (dual core, 3W,
headless, 1.33GHz)
• E3815 (single core, 5W,
1.46GHz)
• E3826 (dual core,
7W, 1.46GHz)
• E3845 (quad core, 10W,
1.91GHz)
• N2807 (dual core, 4.3W,
1.58Ghz)
Atom, 22nm SoC
(System on Chip) with
Intel 64 Architecture
Celeron, 22nm SoC
(System on Chip) with
Intel 64 Architecture
Integrates
Processor Core,
Graphics and
Memory Controller
Hub, and I/O Hub
Ethernet
Controller (U9
[bottom])
Intel
WGI210IT SLIXT
Single-port Gigabit
Ethernet controller
Integrates GbE
MAC, PHY, and
SGMII/SerDes to
enable
10T/100TX/1000T
Ethernet signals
using the PCIe x1
bus
DDR3L
SDRAM (U24
[bottom], U25,
U26 [top], U27
[bottom])
Micron
MT41K256M16HA-125
On-board DDR3L,
1.35V, 4Gb,
32Mx16x8, non-ECC,
un-buffered System
Memory
Provides
high-speed data
transfer
LEC_BTS_T
op_Comp_a
U1
U26
U25
Key:
U1
- CPU
U25
- DDR3L SDRAM
U26
- DDR3L SDRAM
P156
P74
