Texas Instruments TMS570LC4357

SECDED www.ti.com
342
SPNU563A–March 2018
Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
F021 Level 2 Flash Module Controller (L2FMC)
Table 7-1. ECC Encoding for BE32 Devices
9
2
9
1
9
0
8
9
8
8
8
7
8
6
8
5
8
4
8
3
8
2
8
1
8
0
7
9
7
8
7
7
7
6
7
5
7
4
7
3
7
2
7
1
7
0
6
9
6
8
6
7
6
6
6
5
6
4
Participating Address Bits
ADDR_MSW_LSW E
C
C
3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
0
9
0
8
0
7
0
6
0
5
0
4
0
3
1FC0007F_00FFFF00
_FF0000FF
7 x x x x x x x x x x x x x x
3FFF80_FF0000FF
_FF0000FF
6 x x x x x x x x x x x x x x x
1FC07F80_00FF00FF
_00FF00FF
5 x x x x x x x x x x x x x x x
FC19F83_FCC0FCC0
_FCC0FCC0
4 x x x x x x x x x x x x x x x x
13C6A78D_E338E338
_E338E338
3 x x x x x x x x x x x x x x x x
14DAA9B5_99A699A6
_99A699A6
2 x x x x x x x x x x x x x x x x
1D68BAD1_57155715
_57155715
1 x x x x x x x x x x x x x x x x
A7554EA_D1B4D1B4
_2E4B2E4B
0 x x x x x x x x x x x x x x x
Participating Data Bits
6
3
6
2
6
1
6
0
5
9
5
8
5
7
5
6
5
5
5
4
5
3
5
2
5
1
5
0
4
9
4
8
4
7
4
6
4
5
4
4
4
3
4
2
4
1
4
0
3
9
3
8
3
7
3
6
3
5
3
4
3
3
3
2
3
1
3
0
2
9
2
8
2
7
x x x x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x
x x x x x x x x x x x x x x x x x x
(1)
For Odd parity, XOR a 1 to the row’s XOR result. For even Parity, use the row’s XOR result directly.
(2)
Each ECC[x] bit represents the XOR of all the address and data bits marked with x in the same row.
Participating Data Bits Parity
(1)
Check Bits
(2)
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
0
0
9
0
8
0
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
x x x x x x x x x x x Even ECC[7]
x x x x x x x x x x x Even ECC[6]
x x x x x x x x x x x x x x x x Even ECC[5]
x x x x x x x x x x x Even ECC[4]
x x x x x x x x x x x x x Odd ECC[3]
x x x x x x x x x x x x x Odd ECC[2]
x x x x x x x x x x x x x x Even ECC[1]
x x x x x x x x x x x x x x Even ECC[0]