Cirrus Logic CDB4270 - Manual (Page 8)

8 DS686DB3
CDB4270
1.10 Analog Outputs
The CS4270 analog outputs are AC-coupled and routed through a single-pole RC Low-Pass filter.
1.11 Control Port
A graphical user interface is included with the CDB4270 to allow easy manipulation of the registers in the
CS4270 (see the CS4270 data sheet for register descriptions and the
“FPGA GUI Register Description” on
page 18 ). The GUI will run on a standard Windows-based PC. Connecting a USB cable from a PC to J15
or an RS-232 cable to J16 and launching the Cirrus Logic FlexGUI software enables control and configura-
tion of the board.
Refer to “Software Mode” on page 13 for a description of the Graphical User Interface (GUI).
1.12 Hardware Mode Switches
The “HW Mode Config” and ”Clk/Data Config” switches control all Hardware Mode options. “Hardware
Mode” on page 18 provides a description of each topology.