HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 151

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

6.1.2
Figure 6.1 shows a block diagram of the bus controller.
132
CS0 to CS3
External bus control signals
BREQ
BACK
WAIT
Block Diagram
Figure 6.1 Block Diagram of Bus Controller
controller
Wait
Area decoder
Bus arbiter
controller
Bus
ABWCR
ASTCR
WCRH
WCRL
BCRH
BCRL
CPU bus request signal
DTC bus request signal
CPU bus acknowledge signal
DTC bus acknowledge signal
Internal control
signals
Bus mode signal
Internal
address bus