Example 1 - 9.1 English - PG109

Fast Fourier Transform LogiCORE IP Product Guide (PG109)

Document ID
PG109
Release Date
2024-11-13
Version
9.1 English

The core has been configured to have four FFT data channels and overflow. The current frame contains an overflow in channels 2 and 3.

Table 1. Status Channel TDATA Example 1
Field Name Padding Value
OVFLO (channel 0) None 0
OVFLO (channel 1) None 0
OVFLO (channel 2) None 1
OVFLO (channel 3) None 1

This gives a vector length of 4 bits. As all AXI channels must be aligned to byte boundaries, 4 padding bits are required, giving an m_axis_status_tdata length of 8 bits.

Figure 1. Status Channel TDATA Example 1