Table of Contents
Advertisement
7
Bit
RFSHE
Initial value
0
Read/Write
R/W
CBR Refresh Mode
0
1
Refresh Control
0
Refresh control is not performed
1
Refresh control is performed
6
5
CBRM
RLW1
0
0
R/W
R/W
Self-Refresh Enable
0
Self-refreshing is disabled in software standby mode
1
Self-refreshing is enabled in software standby mode
Refresh Cycle Wait Control
0
0
No wait state inserted in CBR refresh
1
1 wait state inserted in CBR refresh
1
0
2 wait states inserted in CBR refresh
1
3 wait states inserted in CBR refresh
External access during CAS-before-RAS refreshing is enabled
External access during CAS-before-RAS refreshing is disabled
4
3
RLW0
SLFRF
0
0
R/W
R/W
Self-Refresh Precharge Cycle Control
RAS precharge cycle after self-refresh =
0
0
0
[TPC set value] states
RAS precharge cycle after self-refresh =
1
[TPC set value + 1] states
RAS precharge cycle after self-refresh =
1
1
0
[TPC set value + 2] states
RAS precharge cycle after self-refresh =
1
[TPC set value + 3] states
RAS precharge cycle after self-refresh =
0
0
0
[TPC set value + 4] states
RAS precharge cycle after self-refresh =
1
[TPC set value + 5] states
RAS precharge cycle after self-refresh =
1
1
0
[TPC set value + 6] states
RAS precharge cycle after self-refresh =
1
[TPC set value + 7] states
2
1
TPCS2
TPCS1
0
0
R/W
R/W
0
TPCS0
0
R/W
529
Advertisement
Table of Contents
