HD64F2149 Datasheet, PDF (170/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

6.1.2 Block Diagram
Figure 6.1 shows a block diagram of the bus controller.
External bus control signals
Bus controller
WAIT
WSCR
BCR
Wait controller
Internal
control signals
Bus mode signal
Internal
data bus
Bus arbiter
CPU bus request signal
DTC bus request signal
CPU bus acknowledge signal
DTC bus acknowledge signal
Figure 6.1 Block Diagram of Bus Controller
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