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Hardware Description
7
SLLU224B – August 2015 – Revised March 2018
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Copyright © 2015–2018, Texas Instruments Incorporated
DP159RSB Evaluation Module
(1)
The target I
2
C address for DP159 can be modified by the EVM jumper settings.
Table 3. DP159 Target I
2
C Address
(1)
DP159 I
2
C Target Address
Bit 7 (MSB)
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0 (W/R)
A6
A5
A4
A3
A2
A1
A0
1
0
1
1
1
1
0
0/1
2.7
Local I
2
C Access Through USB Interface via TUSB3410
Access to DP159’s local I
2
C signals is also provided through the TUSB3410 on the DP159RSBEVM using
a USB TI Utility called Eye Scan. To use the utility:
•
Install the Eye Scan software from Texas Instruments
•
J6 must be set to SDA – SDA_USB
•
J4 must be set to SCL – SCL_USB
•
Attach USB micro cable to J13 and to the host computer
NOTE:
The USB connection should be made prior to installing any DP or HDMI cables.
•
Start the Eye Scan software
Figure 3
shows the Register Status / Control tab.
Figure 3. Register Status / Control Tab
Confirm that the SN65DP149/159/TMDS171/181 Interface is present and selected at the top. If it is not,
check the USB connection and confirm that the driver is loaded in Device Manager. It may take a moment
for the USB driver to load, if the DP159RSB does not appear, hit the Refresh button. This tab can be used
to read and write the status and control registers of the device.
