EPCQ-L Serial Configuration Devices Datasheet

ID 683710
Date 5/18/2018
Document Table of Contents

Non-Volatile Configuration Register

Table 22.  Dummy Clock Cycles and Address Bytes for the Non-Volatile Configuration Register Operation
FPGA Device Address Bytes Dummy Clock Cycles
AS x1 AS x4
Intel® Arria® 10 and Intel® Cyclone® 10 GX 4-byte addressing 10 10
Intel® Stratix® 10 4-byte addressing 10
Table 23.  Non-Volatile Configuration Register Operation Bit Definition
Bit Description Default Value
15:12 Number of dummy cycles. When this number is from 0001 to 1110, the dummy cycles is from 1 to 14. 0000 or 1111 15 16
11:5 Set these bits to 1111111. 1111111
4 Don't care. 1
3:1 Set these bits to 111. 111
0 Address byte setting. 17
  • 0—4-byte addressing
  • 1—3-byte addressing
15 The default dummy clock cycles is 10 for extended quad input fast read and 8 for extended dual input fast and standard fast read.
16 For the Intel® Stratix® 10 device, use the default value 1111h to set 10 dummy clock cycles.
17 You can only configure the Intel® Arria® 10 and Intel® Cyclone® 10 GX devices using the 4-byte addressing mode.

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