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Zynq-7000 AP SoC Technical Reference Manual www.xilinx.com 1744
UG585 (v1.11) September 27, 2016
Appendix B: Register Details
Field Name Bits Type Reset Value Description
ecc_read
(ECC_READ)
29:25 ro 0x0 Read flags for ECC blocks. Indicate whether the
stored ECC value for each block has been read
from memory:
0: not read
1: read
Bit [29] Extra block (if used).
Bit [28] Block 3.
Bit [27] Block 2.
Bit [26] Block 1.
Bit [25] Block 0.
ecc_can_correct
(ECC_CAN_CORREC
T)
24:20 ro 0x0 Correctable flag for each ECC block:
0: not correctable error
1: correctable error
Bit [24] Extra block (if used).
Bit [23] Block 3.
Bit [22] Block 2.
Bit [21] Block 1.
Bit [20] Block 0.
ecc_fail
(ECC_FAIL)
19:15 ro 0x0 Pass/fail flag for each ECC block
ecc_value_valid
(ECC_VALID)
14:10 ro 0x0 Valid flag for each ECC block.
ecc_read_not_write
(ECC_READ_NOT_W
RITE)
9 ro 0x0 ECC calcuation type:
0: write
1: read
ecc_last_status
(ECC_LAST)
8:7 ro 0x0 Last ECC result is updated after completing the
ECC calculation:
00: Completed successfully.
01: Unaligned Address, or out-of-range.
10: Data stop after incomplete block.
11: Data stopped but values not read/written
because of ecc_jump value.