Renesas HD6417641 - Figure 12.17 Example of 16-Bit Data Width SDRAM Connection (RASU and CASU Are Used)

Section 12 Bus State Controller (BSC)
Rev. 4.00 Sep. 14, 2005 Page 338 of 982
REJ09B0023-0400
A14
A1
CKE
CKIO
CSn
RASU
CASU
RASL
CASL
RD/WR
D15
D16
DQMLU
DQMLL
64M SDRAM
(1M
× 16-bit × 4-bank)
A13
A0
CKE
CLK
CS
RAS
CAS
WE
I/O15
I/O0
DQMU
DQML
. . . . . .. . . . . .
A13
A0
CKE
CLK
CS
RAS
CAS
WE
I/O15
I/O0
DQMU
DQML
. . . . . .
This LSI
Figure 12.17 Example of 16-Bit Data Width SDRAM Connection
(RASU and CASU are Used)