Cirrus Logic CDB61884 - Manual (Page 12)

CDB61884
12 DS485DB1
5. CS61884 CONFIGURATION SCREENS
5.1 Choose Parallel Port Settings
The opening screen shown before in Figure 11 and
now in Figure 19 is used for the following configu-
ration activities:
– Select the parallel port mode of operation
– Select the parallel port address
Click the appropriate radio button to choose the op-
erational modes you wish to use.
Important Notes:
1. If the mode of operation does not match the
mode switches on the evaluation board, an
error will occur.
2. If the parallel port address does not match
the address of the control parallel port,
access to the register bits will not be
permitted.
5.2 Access and Configure the Read /
Write Registers
You also use the opening screen to access the
tabbed configuration screens for the Read / Write
Registers.
5.2.1 Access Configuration Screens
Click on the Read/ Write Registers button on the
opening screen to start configuring these registers.
5.2.2 Select Register to Configure
When the next screen appears, select the desired
register screen by clicking on one of the TABs la-
beled
Loopback/Bits Clk, LOS/AIS/DFM,
XMIT, AWG, or GCR at the top of the
Read/Write Register screen.
Figure 19. Opening Screen for Port and Address Selection