SH7206 Datasheet, PDF (226/1188 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7200 Series

Section 8 Bus State Controller (BSC)
8.2 Input/Output Pins
Table 8.1 shows the pin configuration of the BSC.
Table 8.1 Pin Configuration
Name
A25 to A0
D31 to D0
BS
CS0 to CS4, CS7,
CS8
CS5/CE1A,
CS6/CE1B
CE2A, CE2B
RD/WR
RD
WE3/DQMUU/
ICIOWR/AH
WE2/DQMUL/
ICIORD
I/O
Function
Output Address bus
I/O
Data bus
Output Bus cycle start
Output Chip select
Output Chip select
Function as PCMCIA card select signals for D7 to D0 when PCMCIA
is used.
Output Function as PCMCIA card select signals for D15 to D8.
Output Read/write
Connects to WE pins when SDRAM or SRAM with byte selection is
connected.
Output Read pulse signal (read data output enable signal)
Functions as a strobe signal for indicating memory read cycles when
PCMCIA is used.
Output Indicates that D31 to D24 are being written to.
Connected to the byte select signal when a SRAM with byte
selection is connected.
Functions as the select signals for D31 to D24 when SDRAM is
connected.
Functions as a strobe signal for indicating I/O write cycles when
PCMCIA is used.
Functions as the address hold signal when the MPX-I/O is used.
Output Indicates that D23 to D16 are being written to.
Connected to the byte select signal when a SRAM with byte
selection is connected.
Functions as the select signals for D23 to D16 when SDRAM is
connected.
Functions as a strobe signal for indicating I/O read cycles when
PCMCIA is used.
Rev. 3.00 Jun. 18, 2008 Page 202 of 1160
REJ09B0191-0300