Introduction to JESD204B Short Pattern Test
11
SLAA750 – July 2017
Copyright © 2017, Texas Instruments Incorporated
DAC38RF8x Test Modes
Figure 12. DAC38RF8xEVM GUI Digital (DAC A) Tab
2.5
Register Writes for Custom Setup
To achieve this DAC configuration without the DAC38RF8x EVM GUI, perform the register writes shown in
.
Table 2. DAC38RF8x Register Writes
Page
Address
Bit
Value
Function
1.
1
0x0C
9, 5
1, 1
Enable mixer and NCO
2.
1
0x1E
15:0
0xC7C1
Update NCO frequency (AB)
3.
1
0x1F
15:0
0x1C71
Update NCO frequency (AB)
4.
1
0x120
15:0
0x2B67
Update NCO frequency (AB)
5.
1
0x121
15:0
0x0000
Update NCO frequency (CD)
6.
1
0x122
15:0
0x0000
Update NCO frequency (CD)
7.
1
0x123
15:0
0x0000
Update NCO frequency (CD)
8.
1
0x1C
15:0
0x0000
Update NCO phase offset (AB)
9.
1
0x1D
15:0
0x0000
Update NCO phase offset (CD)
10.
1
0x28
1
1
SIF Sync
11.
1
0x28
1
0
SIF Sync
12.
2
0x28
1
1
SIF Sync
13.
2
0x28
1
0
SIF Sync
2.6
TSW14J56 SETUP for JESD204B Short Pattern Test
After the DAC38RF8x EVM GUI has been properly configured, the next step is to send the pattern to the
DAC. Follow these steps to configure the HSDC pro to send the pattern to the DAC:
Step 1.
Launch the HSDC Pro application.
Step 2.
A window will pop up asking the user to select a device. Select the TSW14J56 RevD board
and click the
OK
button (see
