Setting up the OMAP-L138/C6748 Development Kit (LCDK)
7
SPRUIL2A – February 2019 – Revised September 2019
Copyright © 2019, Texas Instruments Incorporated
OMAP-L138/C6748 Low-Cost Development Kit (LCDK)
3.1.1
Push Buttons
There are three push buttons on the board connected, as described in
. When a button is pressed,
the attached signal is pulled low; otherwise it is pulled high.
Table 7. Push Buttons
Switch Number
Pin
S1
Reset
S2
GPIO2[4]
S3
GPIO2[5]
3.1.2
LEDs
There are seven LEDs on the board which function, as described in
.
Table 8. LEDs
LED
Signal
Lit when...
D1
5V_IN
5 V is applied to J1
D2
VOLT_ERR
Input voltage is > 5.8 V
D3
VCC_5VD_IN
Board is powered from either J1 or USB
D4
GPIO6[13]
Signal is high
D5
GPIO6[12]
Signal is high
D6
GPIO2[12]
Signal is high
D7
GPIO0[9]
Signal is high
3.1.3
Power
The board can be powered with 5 V input through the J1 barrel connector.
3.1.4
USB-to-UART Port (J3)
The board features FD232 USB UART IC, which acts an external serial port. It is connected to the OMAP-
L138/C6748 UART2 peripheral.
Windows and Linux drivers for the chip can be found on the
.
3.2
Setup the Out of the Box Demonstration on LCDK
The LCDK provides a quick start guide in the packaging that walks users through the hardware setup to
run the out of the box demonstration that is programed in the flash or on the SD card included in the kit.
Please follow the instruction in the quick start guide to setup the demonstration. The Quick start guide is
also available to access online on ti.com in URLs provided below:
•
•
OMAP-L138 DSP+ARM9™ Development Kit (LCDK) Quick Start Guide
