Motorola MVME172 ユーザーズマニュアル
Programming Model
http://www.mcg.mot.com/literature
5-31
5
Scrub Address Counter (Bits 7-4)
This register reflects the current value in the Scrub Address Counter bits
7-4.
7-4.
Error Logger Register
SBE
SINGLE BIT ERROR is set when the last error logged
was due to a single bit error. It is cleared when a 1 is
written to the ERRLOG bit. The syndrome code reflects
the bit in error. (Refer to the section on Syndrome
Decode.)
was due to a single bit error. It is cleared when a 1 is
written to the ERRLOG bit. The syndrome code reflects
the bit in error. (Refer to the section on Syndrome
Decode.)
MBE
MULTIPLE BIT ERROR is set when the last error logged
was due to a multiple bit error. It is cleared when a 1 is
written to the ERRLOG bit. The syndrome code is
meaningless if MBE is set.
was due to a multiple bit error. It is cleared when a 1 is
written to the ERRLOG bit. The syndrome code is
meaningless if MBE is set.
ERA
This bit provides status for a function that is not currently
used in the MCECC.
used in the MCECC.
ADR/SIZ
1st $FFF43058/2nd $FFF43158 (8-bits)
BIT
31
30
29
28
27
26
25
24
NAME
SAC7
SAC6
SAC5
SAC4
0
0
0
0
OPER
R/W
R/W
R/W
R/W
R
R
R
R
RESET
0 PLS
0 PLS
0 PLS
0 PLS
X
X
X
X
ADR/SIZ
1st $FFF4305C/2nd $FFF4315C (8-bits)
BIT
31
30
29
28
27
26
25
24
NAME
ERRL
OG
OG
ERD
ESCR
B
B
ERA
EALT
0
MBE
SBE
OPER
R/C
R
R
R
R
R
R
R
RESET
0 PLS
0 PLS
0 PLS
0 PLS
0 PLS
X
0 PLS
0 PLS