h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 547

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

18.3.4
Table 18.9 DMAC Timing
Conditions: V
Item
DREQ setup time
DREQ hold time
TEND delay time
DACK delay time 1
DACK delay time 2
φ
Figure 18.19 Self-Refresh Timing (Return from Software Standby Mode: RAST = 1)
,
DMAC Timing
CC
= 3.0 V to 3.6 V, V
TRp
t
CASD1
Symbol
t
t
t
t
t
DRQS
DRQH
TED
DACD1
DACD2
TRr
t
SS
CSD2
= 0 V, φ = 10 MHz to 33 MHz
Min.
25
10



TRc
Max.


18
18
18
TRc
Self-refresh
Unit
ns
ns
Rev. 2.00, 03/04, page 515 of 534
Tpsr
t
CSD2
Test Conditions
Figure 18.23
Figure 18.22
Figures 18.20 and 18.21
DRAM access
t
CASD1
t
RPS1
Tp
Tr