7
12.
Expansion Connector Cable Details
The maximum length for the expansion connector cables is as follows:
General Purpose IO, TTL, Serial, etc = 6” recommended maximum, 8” absolute maximum
Ethernet, high-speed IO, etc = 3” recommended maximum, 4” absolute maximum
The following table provides example part numbers for the expansion cables: Molex Inc, Parlex Corp, and Wurth
Electronics, Inc provide compatible cables.
Description
Mfg
Mfg PN
Digi-Key Pn
3.00” 50-pin 0.5mm
Molex
21020-7650
WM10231-ND
3.00” 20-pin 0.5mm
Molex
21020-0209
WM10226-ND
1.18” 50-pin 0.5mm
Molex
21020-3050
WM14323-ND
1.18” 20-pin 0.5mm
Molex
21020-0205
WM14317-ND
Note: These lengths are only recommendations. The actual lengths utilized will be dependent on the expansion board
circuitry, layouts and general environment of the application. It is up to the customer to test and validate the functional
operation and use of the expansion connectors.
13.
DC Power Input – P8
The uEZGUI-EXP-DK supports a 7VDC-24VDC 1A (min) Power Supply. The connector is 2.1mm with center positive.
P8 Pin Number
Description
1
7VDC to 24VDC, +/- 10%, 1.0A (min)
2
Power Supply Ground
14.
USB Host – P3
The uEZGUI-EXP-DK Board includes one USB Host Port allowing the unit to interface to various USB peripherals such as a
USB Flash Drive (Thumb Drive). The operational mode of this port is dependent on the software utilized (i.e. driver
support)
P3 Pin Number
Description
1
USB VBus
2
D –
3
D +
4
Signal Ground
