h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 166
h8s-2646
Manufacturer Part Number
h8s-2646
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2646.pdf
(1165 pages)
- Current page: 166 of 1165
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Section 7 Bus Controller
7.1.2
Figure 7.1 shows a block diagram of the bus controller.
Rev. 5.00 Sep 22, 2005 page 140 of 1136
REJ09B0257-0500
Block Diagram
External bus control signals
Legend:
ABWCR : Bus width control register
ASTCR
BCRH
BCRL
WCRH
WCRL
WAIT
: Access state control register
: Bus control register H
: Bus control register L
: Wait control register H
: Wait control register L
Figure 7.1 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
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