Texas Instruments DAC5681ZEVM - DAC5681Z Evaluation Module DAC5681ZEVM DAC5681ZEVM Datenbogen
Produktcode
DAC5681ZEVM
DAC5681/81z/82z EVM Software
www.ti.com
Table 8. CDCM7005 Register Configuration Software Functionality
Input
Subarea Name
Description
Output
General Settings (1)
Output Settings
Input
Switches the display between the CDCM7005 output settings and advanced settings.
Select Buffer Mode when there is no VCXO installed or the VCXO is enabled. In this case the
CDCM7005 Operation
Input
CDCM7005 operates as a buffer. Select PLL Mode when a VCXO is being used by the
CDCM7005.
CDCM7005.
PLL Settings (2)
(Auto) M and N divider values are calculated automatically based on Reference and VCXO
M & N Selection
Input
frequencies.
Ref. Freq. (MHz)
Input
Frequency of the reference oscillator given to the CDCM7005.
VCXO Freq. (MHz)
Input
Frequency of the VCXO used.
M Divider
Input/Output
M divider value.
N Divider
Input/Output
N divider value.
FB_MUX
Input/Output
Feedback MUX select.
Phase Shift
Input
Phase shift select.
Output frequency of the CDCM7005 based on the Reference and VCXO frequencies, and M and
Output Freq (MHz)
Output
N values. If Output Freq differs from VCXO Freq, Output Freq displays using a red text.
Output Settings (3)
Y0-Y4 Dividers
Input
Selects the output dividers of the CDCM7005 outputs.
Y0-Y4 Levels
Input
Selects between CMOS or LVPECL levels of the CDCM7005 outputs.
Y0-Y4 States
Input
Selects the operating state of the CDCM7005 outputs.
SEND/SAVE Button Settings (4)
Send All
Input
Writes all registers to the DCDM7005 device.
Loads a DCDM7005 register configuration from a text file. Files need to consist of a single
Load Regs
Input
column with the register values in hexadecimal format.
Save Regs
Input
Saves a DCDM7005 register configuration to a text file.
Advanced Settings (not shown)
Input CDCM7005 advanced registers. See the CDCM7005 data sheet (
) for more
Advanced Registers
information about these registers.
18
DAC5681/81z/82z EVM
SLAU236A – November 2007 – Revised October 2008