- #. • altera quartus ii v12.1 web edition serial#
Table 4 describes the registers of the Avalon peripheral: Table 3 Avalon peripheral ports description 
. Table 3 describes the ports of the Avalon peripheral: The follwing figure presents the timing diagram for the read operations from the AD7091 driver. In chain mode, the data should be read when CNV is high. In CS mode, it enables the SDO pin when low. On its leading edge, it initiates the conversions and selects the interface mode of the part, chain, or CS mode.