5.1.1 A_WIDTH and B_WIDTH

Two-port mode is in effect when the width of at least one port is greater than 20 bits, and A_WIDTH indicates the read width while B_WIDTH indicates the write width. The following table lists the width/depth mode selections for each port.

Table 5-2. Width/Depth Mode Selection
Depth x WidthA_WIDTH/B_WIDTH
16K x 1000
8K x 2001
4K x 4, 4K x 5010
2K x 8, 2K x 10011
1K x 16, 1K x 20100
512 x 32 (two-port)

512 x 40 (two-port)

512 x 33 (two-port ECC)

101