ADLINK LEC-BASE R1 - Manual (Page 8)

2 Overview
1.2 Major Components (ICs)
Table 1-1 lists the major integrated circuits on the LEC-BASE, including a brief description of
each IC. Figure 1-2 shows the locations of the major ICs.
Table 1-1: Major Integrated Circuit Descriptions and Functions
Chip Type Mfg. Model Description Function
G-Sensor (U4) Freescale
Semicondu
ctor MMA7660FC 3-axis Orientation/
Motion Detection
Sensor, connected to
the I2C GP interface at
pins S48 and S49 of
the SMARC connector.
The I2C address is
0x4C/0x4D. Senses data
changes, product
orientation, and
gestures through
an interrupt (INT)
pin.
Touch Panel
Controller
(U18) Texas
Instruments TSC2046 Low-Voltage Touch
Controller, connected
to the SPIO interface
at pins P43, P44, P45,
and P46 of the
SMARC connector. Senses 4-wire
resistive touch
screen.
I2C, 2-wire
EEPROM
(U19) Atmel AT24C08C 2-wire, 8Kb serial
EEPROM, connected
to the I2C LCD
interface at pins S139
and S140 of the
SMARC connector.
The I2C address is
0xA8/0xA9. Provides storage
for baseboard
parameters
through the I 2 C
LCD pins, S139
and S140, on the
SMARC module.
CAN
Transceiver
(U25, U26) Texas
Instruments SN65HVDA540QDR Transceiver for
Controller Area
Network, connected to
the CAN0 and CAN1
interfaces at pins
P143, P144, P145,
and P146 of the
SMARC connector. Provides up to 1
Mbps of
differential
transmit and
receive
capabilities for the
CAN controller in
the CPU.
I2S Audio
CODEC (U27) Texas
Instruments TLV320AIC23B I2S Stereo Audio
CODEC, connected to
the I2S0 interface at
pins S39, S40, S41,
S42 of the SMARC
connector. Supports
data-transfer word
lengths of 16, 20,
24, and 32 bits
with sample rates
from 8kHz to
96kHz.
Real Time
Clock (U36) Maxim DS1337S I2C Serial Real-Time
Clock, connected to
the I2C LCD interface
at pins S139 and S140
of the SMARC
connector. The I2C
address is 0xD0/0xD1. Provides
low-power clock/
calendar with two
programmable
time-of-day
alarms and a
programmable
square-wave
output
GPS Module
(U136) u-blox NEO-Q-0 GPS Receiver,
connected over the
USB hub to the
SMARC connector at
pins P65 and P66. Provides
6-positioning
engine for parallel
time/frequency
space searches