|
SH7708 Datasheet, PDF (242/633 Pages) Renesas Technology Corp – SuperH™ RISC engine | |||
|
◁ |
Table 10.7 16-Bit External Device/Big Endian Access and Data Alignment
Data Bus
Operation
D31â D23â
D24 D16 D15âD8 D7âD0
Address 0 byte
access
â â Data â
7â0
Address 1 byte
access
âââ
Data
7â0
Address 2 byte
access
â â Data â
7â0
Address 3 byte
access
âââ
Data
7â0
Address 0 word
access
â â Data Data
15â8 7â0
Address 2 word
access
â â Data Data
15â8 7â0
Address 0 1st time â â Data Data
longword (address
31â24 23â16
access 0)
2nd time â â Data Data
(address
15â8 7â0
2)
Strobe Signal
WE3, WE2, WE1, WE0,
CASHH, CASHL, CASLH, CASLL,
DQMUU DQMUL DQMLU DQMLL
â
â
Asserted â
â
â
â
Asserted
â
â
Asserted â
â
â
â
Asserted
â
â
Asserted Asserted
â
â
Asserted Asserted
â
â
Asserted Asserted
â
â
Asserted Asserted
224
|
▷ |