r5s72060w200fpv Renesas Electronics Corporation., r5s72060w200fpv Datasheet - Page 227

• Manufacturer Part Number: r5s72060w200fpv
• Description: 32-bit Risc Microcomputer Superhtm Risc Engine Family / Sh7200 Series
• Manufacturer: Renesas Electronics Corporation.

Name
WE1/DQMLU/WE
WE0/DQMLL
RASU, RASL
CASU, CASL
CKE
FRAME
WAIT
BREQ
BACK
REFOUT
MD2, MD0
I/O
Output Indicates that D15 to D8 are being written to.
Output Indicates that D7 to D0 are being written to.
Output Connects to RAS pin when SDRAM is connected.
Output Connects to CAS pin when SDRAM is connected.
Output Connects to CKE pin when SDRAM is connected.
Output Functions as FRAME signal when connected to burst MPX-I/O
Input
Input
Output Bus enable output
Output Refresh request output in bus-released state
Input
Function
Connected to the byte select signal when a SRAM with byte
selection is connected.
Functions as the select signals for D15 to D8 when SDRAM is
connected.
Functions as a strobe signal for indicating memory write cycles when
PCMCIA is used.
Connected to the byte select signal when a SRAM with byte
selection is connected.
Functions as the select signals for D7 to D0 when SDRAM is
connected.
interface
External wait input
Bus request input
Select bus width of area 0 and initial bus width of areas 1 to 8.
Rev. 2.00 Dec. 09, 2005 Page 203 of 1152
Section 8 Bus State Controller (BSC)
REJ09B0191-0200