h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 546

• Manufacturer Part Number: h8s-2172
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
• Manufacturer: Renesas Electronics Corporation.

Rev. 2.00, 03/04, page 514 of 534
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φ
Figure 18.18 Self-Refresh Timing (Return from Software Standby Mode: RAST = 0)
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,
,
Figure 18.17 CAS-Before-RAS Refresh Timing (with Wait Cycle Insertion)
,
TRp
TRp
Figure 18.16 CAS-Before-RAS Refresh Timing
t
CASD1
TRp
t
CASD1
TRr
TRrw
t
CSD2
t
CSR2
t
t
CSR1
CASD1
TRc
TRr
TRr
t
t
CSD2
CSD2
TRc
TRc1
TRc1
Self-refresh
Tpsr
TRcw
t
CSD2
TRc2
DRAM access
t
CASD1
Tp
t
TRc2
RPS2
t
t
CSD1
CASD1
t
Tr
t
CASD1
CSD1