SH7144_08 Datasheet, PDF (206/930 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series

9. Bus State Controller (BSC)
This LSI
External device
BREQ accepted
Strobe pin:
high-level output
Address, data, strobe pin:
high impedance
Bus mastership release response
BREQ = Low
Bus mastership request
BACK = Low
BACK confirmation
Bus mastership release status
Bus mastership acquisition
Figure 9.9 Bus Mastership Release Procedure
Rev.4.00 Mar. 27, 2008 Page 162 of 882
REJ09B0108-0400