HD6413008F RENESAS [Renesas Technology Corp], HD6413008F Datasheet - Page 146

• Manufacturer Part Number: HD6413008F
• Description: Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series
• Manufacturer: RENESAS [Renesas Technology Corp]

6. Bus Controller
6.1.2
Figure 6.1 shows a block diagram of the bus controller.
Rev.4.00 Aug. 20, 2007 Page 102 of 638
REJ09B0395-0400
Legend:
ABWCR:
ASTCR:
WCRH:
WCRL:
BRCR:
CSCR:
ADRCR:
BCR:
Internal address bus
CPU bus request signal
CPU bus acknowledge signal
Block Diagram
WAIT
Bus width control register
Access state control register
Wait control register H
Wait control register L
Bus release control register
Chip select control register
Address control register
Bus control register
Internal signals
decoder
Area
Figure 6.1 Block Diagram of Bus Controller
control signals
Chip select
CS
0
to CS
7
Bus control
Wait state
controller
Bus arbiter
circuit
ABWCR
ADRCR
ASTCR
WCRH
WCRL
CSCR
BRCR
BCR
BACK
BREQ
Bus mode control signal
Bus size control signal
Access state control signal
Wait request signal
Internal signals