SH7261 Datasheet, PDF (240/1348 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7260 Series

Section 9 Bus State Controller (BSC)
Name
SDCKE
DQM3
DQM2
DQM1
DQM0
WAIT
I/O
Output
Output
Output
Output
Output
Input
Function
Connects to CKE pin when SDRAM is connected.
Connects to DQMUU pin when SDRAM is connected by 32-bit
SDRAM.
Connects to DQMUL pin when SDRAM is connected by 32-bit
SDRAM.
Connects to DQMLU pin when SDRAM is connected by 32-bit bus.
Connects to DQMU pin when SDRAM is connected by 16-bit bus.
Connects to DQMLL pin when SDRAM is connected by 32-bit bus.
Connects to DQML pin when SDRAM is connected by 16-bit bus.
Connects to DQM pin when SDRAM is connected by 8-bit bus.
External wait input
Rev. 2.00 Sep. 07, 2007 Page 208 of 1312
REJ09B0320-0200