Figure 32.21 mpx basic bus cycle (write) – Renesas SH7781 User Manual
Page 1617
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32. Electrical Characteristics
Rev.1.00 Jan. 10, 2008 Page 1587 of 1658
REJ09B0261-0100
Tm1
Tmd1w
Tmd1
t
FMD
t
FMD
t
BSD
t
BSD
t
CSD
t
CSD
t
DACD
t
RDYH
t
RDYS
t
DACD
t
WED1
t
WED1
Tm1
Tmd1
t
FMD
t
FMD
t
BSD
t
BSD
t
CSD
t
CSD
t
DACD
D0
D0
t
RDYH
t
RDYS
t
DACD
t
RWD
t
RWD
t
RWD
t
RWD
t
WED1
t
WED1
A
t
RDYH
t
RDYS
t
RDYH
t
RDYS
t
WDD
t
WDD
t
WDD
A
t
WDD
t
WDD
t
WDD
Tm1
Tmd1w
Tmd1w
Tmd1
t
FMD
t
FMD
t
BSD
t
BSD
t
CSD
t
CSD
t
DACD
t
DACD
t
WED1
t
WED1
D0
t
RWD
t
RWD
A
t
WDD
t
WDD
t
WDD
CLKOUT
RD/FRAME
RD/
WR
WEn
RDY
BS
CSn
DACKn
(DA)
D31 to D0
(1) 1st data: No wait
Information in the first data bus cycle
D31 to D29: Access size
000: Byte
001:
Word (2 bytes)
010:
Longword (4 bytes)
011:
Quadword (8 bytes)
1xx:
Burst (32 bytes)
D25 to D0: Address
(2) 1st data: One internal wait cycle
Information in the first data bus cycle
D31 to D29: Access size
000: Byte
001:
Word (2 bytes)
010:
Longword (4 bytes)
011:
Quadword (8 bytes)
1xx:
Burst (32 bytes)
D25 to D0: Address
(3) 1st data: One internal wait + one external wait cycles
Information in the first data bus cycle
D31 to D29: Access size
000: Byte
001:
Word (2 bytes)
010:
Longword (4 bytes)
011:
Quadword (8 bytes)
1xx:
Burst (32 bytes)
D25 to D0: Address
Legend:
IO: DACK
device
SA:
Single-address DMA transfer
DA:
Dual-address DMA transfer
Note: DACK is configured as active-high.
Figure 32.21 MPX Basic Bus Cycle (Write)