Datasheet

Software Installation www.ti.com
Contents
1 Software Installation ........................................................................................................ 2
2 AFE722x.ini file for TSW140x ............................................................................................. 3
3 AFE722x EVM Software - SPI Control ................................................................................... 3
4 Initial EVM Setup and Basic Test Procedure ............................................................................ 4
4.1 CDCE72010 Configuration ....................................................................................... 5
4.2 RX Path Using TSW1400 ......................................................................................... 5
4.3 TX Path Using TSW1400 ......................................................................................... 7
5 Power Supply Options .................................................................................................... 11
6 Clocking Configuration .................................................................................................... 11
6.1 Non-VCXO Option (Default) ..................................................................................... 12
6.2 System Level ...................................................................................................... 13
6.3 RX Only ............................................................................................................ 13
6.4 RX and TX Independent Clocking .............................................................................. 13
6.5 Interpolation on the DAC ........................................................................................ 13
6.6 Decimation on the ADC .......................................................................................... 14
7 RX Setup ................................................................................................................... 14
8 TX Setup .................................................................................................................... 15
List of Figures
1 Software Installation Screens ............................................................................................. 3
2 AFE722x EVM Software Control.......................................................................................... 4
3 AFE722x EVM Setup....................................................................................................... 5
4 CDCE72010 Configuration ................................................................................................ 5
5 HSDCP Settings ............................................................................................................ 7
6 ................................................................................................................................ 8
7 ................................................................................................................................ 9
8 Spectrum Analyzer: Sample Rate = 245.76 Msps, Input Tone = 15 MHz ......................................... 10
9 Power Supply Jumper Settings.......................................................................................... 11
10 Configuration of Clock Output in CDCE72010......................................................................... 12
11 Receive Control Tab in RX Setup....................................................................................... 15
12 AFE722x Schematic ...................................................................................................... 16
13 Transmit Control Tab in TX Setup ...................................................................................... 17
List of Tables
1 Control Registers............................................................................................................ 7
2 Clock Delays for Listed DAC Sampling Rates .......................................................................... 8
1 Software Installation
1. Open the folder named AFE722x_Installer_vxpx (xpx represents the latest version)
2. Run Setup.exe
3. Follow the on-screen instructions
4. Once installed, launch by clicking on the AFE722x_GUI_vxpx program in Start→Texas Instruments
ADCs.
5. When plugging in the USB cable for the first time, a prompt to install the USB drivers for USB Serial
Converter and USB Serial Port comes up (see Figure 1).
(a) Follow the on-screen instructions to install the USB drivers.
(b) If needed, access the drivers directly in the install directory
2
AFE722x Evaluation Module (AFE722xEVM) User's Guide SLOU362–February 2013
Submit Documentation Feedback
Copyright © 2013, Texas Instruments Incorporated