Figure 24.18 Cas-Before-Ras Refresh Timing; Figure 24.19 Cas-Before-Ras Refresh Timing (With Wait Cycle Insertion); Figure 24.20 Self-Refresh Timing (Return From Software Standby Mode: Rast = 0) - Renesas H8S/2368 Series Hardware Manual

,
,

Figure 24.18 CAS-Before-RAS Refresh Timing

T
Rp
,
,

Figure 24.19 CAS-Before-RAS Refresh Timing (with Wait Cycle Insertion)

T
Rp
,
,

Figure 24.20 Self-Refresh Timing (Return from Software Standby Mode: RAST = 0)

T T
Rp Rr
t
t
CSR1
t
CASD1
T T
Rrw Rr
t
CSD2
t
CSR2
t
CASD1
T T
Rr Rc
t
CSD2
t
CASD1
T
Rc1
CSD2
T T
Rc1 Rcw
Self-refresh
T T
Rc psr
t
CSD2
t
CASD1
Rev. 2.00, 05/03, page 757 of 820
T
Rc2
t
CSD1
t
CASD1
T
Rc2
t
CSD1
t
CASD1
DRAM access
T T
p r
t
RPS2