Datasheet

Section 6 Bus Controller (BSC)
Rev. 2.00 Aug. 20, 2008 Page 109 of 1198
REJ09B0403-0200
Bus
controller
External bus control signals
[Legend]
BCR:
BCR2:
WSCR:
WSCR2:
Bus control register
Bus control register 2
Wait state control register
Wait state control register 2
Internal control signals
Internal data bus
Wait
controller
BCR2
WSCR2
Bus mode signal
Bus arbiter
DTC bus acknowledge signal
CPU bus acknowledge signal
DTC bus request signal
CPU bus request signal
BCR
WSCR
WAIT
E-DMAC bus request signal
E-DMAC bus acknowledge signal
Figure 6.1 Block Diagram of Bus Controller