Stratix® V Device Handbook: Volume 1: Device Interfaces and Integration

ID 683665
Date 10/18/2023
Public
Document Table of Contents

2.7.1. Byte Enable Controls in Memory Blocks

Table 12.   byteena Controls in x20 Data Width
byteena[1:0] Data Bits Written
11 (default) [19:10] [9:0]
10 [19:10]
01 [9:0]
Table 13.   byteena Controls in x40 Data Width
byteena[3:0] Data Bits Written
1111 (default) [39:30] [29:20] [19:10] [9:0]
1000 [39:30]
0100 [29:20]
0010 [19:10]
0001 [9:0]
Note: If you use the ECC feature on the M20K blocks, you cannot use the byte enable feature.