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H8/3003 Folha de dados(PDF) 120 Page - Renesas Technology Corp

Nome de Peças H8/3003
Descrição Electrónicos  microcontroller (MCU)
PDF  715 Pages
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Fabricante Electrônico  RENESAS [Renesas Technology Corp]
Página de início  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8/3003 Folha de dados(HTML) 120 Page - Renesas Technology Corp

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6.1.2 Block Diagram
Figure 6-1 shows a block diagram of the bus controller.
Figure 6-1 Block Diagram of Bus Controller
0
CS to
7
CS
ABWCR
ASTCR
WCER
WCR
BRCR
BACK
BREQ
WAIT
Internal
address bus
Area
decoder
Bus control
circuit
Wait-state
controller
Bus arbiter
Bus mode control signal
Bus size control signal
Access state control signal
Wait request signal
CPU bus request signal
DMAC bus request signal
Refresh controller bus request signal
CPU bus acknowledge signal
DMAC bus acknowledge signal
Refresh controller bus acknowledge signal
Legend
ABWCR:
ASTCR:
WCER:
WCR:
BRCR:
Bus width control register
Access state control register
Wait state controller enable register
Wait control register
Bus release control register
Internal signals
Internal signals
102



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