ECC Codes
http://www.motorola.com/computer/literature 3-87
3
ECC CodesWhen the Hawk reports a single-bit error, software can use the syndrome
that was logged by the Hawk to determine which bit was in error. Table
3-21 shows the syndrome for each possible single bit error. Table 3-22
shows the same information ordered by syndrome.
Table 3-21. Syndrome Codes Ordered by Bit in Error
Bit Syndrome Bit Syndrome Bit Syndrome Bit Syndrome Bit Syndrome
rd0 $4A rd16 $92 rd32 $A4 rd48 $29 ckd0 $01
rd1 $4C rd17 $13 rd33 $C4 rd49 $31 ckd1 $02
rd2 $2C rd18 $0B rd34 $C2 rd50 $B0 ckd2 $04
rd3 $2A rd19 $8A rd35 $A2 rd51 $A8 ckd3 $08
rd4 $E9 rd20 $7A rd36 $9E rd52 $A7 ckd4 $10
rd5 $1C rd21 $07 rd37 $C1 rd53 $70 ckd5 $20
rd6 $1A rd22 $86 rd38 $A1 rd54 $68 ckd6 $40
rd7 $19 rd23 $46 rd39 $91 rd55 $64 ckd7 $80
rd8 $25 rd24 $49 rd40 $52 rd56 $94
rd9 $26 rd25 $89 rd41 $62 rd57 $98
rd10 $16 rd26 $85 rd42 $61 rd58 $58
rd11 $15 rd27 $45 rd43 $51 rd59 $54
rd12 $F4 rd28 $3D rd44 $4F rd60 $D3
rd13 $0E rd29 $83 rd45 $E0 rd61 $38
rd14 $0D rd30 $43 rd46 $D0 rd62 $34
rd15 $8C rd31 $23 rd47 $C8 rd63 $32