I'm trying to understand the write strobe functionality for a 128bit bus width, burst type FIXED.
Case scenario:
AXI bus width 128bit.
awlen = 3 (4 write transfers)
awsize = 2 (32bit per each transfer)
awburst = 0 (FIXED)
awaddr = 0x6116_0304;
How will the write strobe look like throughout the burst?.
1. 0x00f0, 0x0f00, 0xf000, 0x000f
or
2. 0x00f0, 0x00f0, 0x00f0, 0x00f0
Please explain why.
Many thanks.
Tsach