82443MX Datasheet, PDF (77/173 Pages) Intel Corporation – PCIset

82443MX PCIset
Current
State
Write
Read with
auto
precharge
CS# SRAS SCAS WE# Address
#
#
Command
Action
Row active
Notes
LH
H
H
X
NOP
Continue burst to end ->
Row active
LH
L
H
BA,CA,A10 READ/READAP Term burst, new
6
read:Optional AP
LH
L
L
BA,CA,A10 WRIT/WRITEAP Term burst, start
6,7
write:Optional AP
LL
H
H
BA,RA
ACT
ILLEGAL
2
LL
H
L
BA,A10
PRE/PALL
Term burst, precharge
LL
L
H
X
CBR/SELF
ILLEGAL
11
LL
L
L
Opcode
MRS
ILLEGAL
11
HX
X
xX X
DSEL
Continue burst to end -
> Write recovering
LH
H
H
X
NOP
Continue burst to end -
> Write recovering
LH
L
H
BA,CA,A10 READ/READAP Term burst, start read: 6,7
optional AP
LH
L
L
BA,CA,A10 WRIT/WRITEAP Term burst, new write: 6
optional AP
LL
H
H
BA,RA
ACT
ILLEGAL
2
LL
H
L
BA,A10
PRE/PALL
Term burst precharging 8
LL
L
H
X
CBR/SELF
ILLEGAL
11
LL
L
L
Op Code MRS
ILLEGAL
11
HX
X
X
X
DSEL
Continue burst to end -
> precharging
LH
H
H
X
NOP
Continue burst to end -
> precharging
LH
L
H
BA,CA,A10 READ/READAP ILLEGAL
10
LH
L
L
BA,CA,A10 WRIT/WRITEAP ILLEGAL
10
LL
H
H
BA,RA
ACT
ILLEGAL
2,10
LL
H
L
BA,A10
PRE/PALL
ILLEGAL
2,10
LL
L
H
X
CBR/SELF
ILLEGAL
11
LL
L
L
Opcode
MRS
ILLEGAL
11
65