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MAX9257/MAX9258 Evaluation Kit
Quick Start
Recommended Equipment
Before beginning, the following equipment is needed:
? MAX9257/MAX9258 EV kit (USB cable included)
? User-supplied Windows 2000/XP- or Windows Vista-
compatible PC with a spare USB port
? One 5V, 500mA power supply
? One 4-channel oscilloscope
Refer to the MAX9257/MAX9258 IC data sheet while
using this EV kit for a detailed description of the SerDes
pair features.
Note: In the following sections, software-related items
are identified by bolding. Text in bold refers to items
directly from the EV kit software. Text in bold and under    -
lined refers to items from the Windows operating system.
Procedure
The MAX9257/MAX9258 EV kit is fully assembled and
tested. Follow the steps below to verify board opera-
tion. Caution: Do not turn on the power supply until
all connections are completed.
1) Visit www.maxim-ic.com/evkitsoftware to down-
load the latest version of the EV kit software,
9257_8Rxx.ZIP. Save the EV kit software to a
temporary folder and uncompress the ZIP file.
2) Install the MAX9257/MAX9258 EV kit software on
your computer by running the INSTALL.EXE pro-
gram inside the temporary folder. The program files
are copied and icons are created in the Windows
Start | Programs menu.
3) Verify that all the jumpers are set in their default
positions. See Table 1 for default shunt positions.
4) Connect the 5V power supply to the +5V and GND
pads on both sides of the EV board. Keep the
power off.
5) Connect the JAE LVDS cable between J2 and J7.
6) Connect Ch1 of the oscilloscope to J1-35 (ECU TX
line).
7) Connect Ch2 of the oscilloscope to J1-37 (ECU RX
line).
8) Connect Ch3 of the oscilloscope to J5-12
(MAX9258 CCEN pin).
9) Connect the USB cable between the PC and J3
(Attention: not J8).
10) Turn on the 5V power supply. Verify that D3 and D4
green LEDs are lit.
11) Start the MAX9257/MAX9258 program by opening
its icon in the Start menu.
12) Press the Yes button on the popup window (Figure
1), which verifies if the ECU remotely wakes up the
MAX9257. If the REM pin of the MAX9257 is set to
high, the ECU should wake up the MAX9257 by set-
ting the REG08 PD bit to low. If the REM pin of the
MAX9257 is set to low, the MAX9257 is powered up
when V CC is applied.
Figure 1. MAX9257/MAX9258 Evaluation Kit Software—
MAX9257 REM Status
13) The next popup window (Figure 2) asks if you want
to load a previous EV kit setting from a file. If this
is the first time the software is run, you can choose
from three EV kit setting files included with
the software: NeverComeBackSettings.txt ,
FiniteCTOSettings.txt , or I2CSettings.txt . Press
the No button.
Figure 2. MAX9257/MAX9258 Evaluation Kit Software—Load
Previous EV Kit Settings
14) Verify that the software main window shows up next
(Figure 3).
15) Verify that the Hardware: Connected message is
displayed on the status bar of the software main
window. This indicates the proper connection of the
EV kit.
16) Press the ECU Wakes Up MAX9257 button on the
ECU Control tab sheet.
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