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H83069RF Datasheet(PDF) 214 Page - Renesas Technology Corp

Part # H83069RF
Description  Renesas 16-Bit Single-Chip Microcomputer
PDF  1003 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H83069RF Datasheet(HTML) 214 Page - Renesas Technology Corp

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Rev. 5.0, 09/04, page 192 of 978
φ
RD
BACK
(1)
(2)
(3)
(4)
(5)
(6)
BREQ
HWR, LWR
T0
T1
T2
AS
Data bus
Address bus
CPU cycles
CPU cycles
External bus released
High
Address
Minimum 3 cycles
High-impedance
High-impedance
High-impedance
High-impedance
High-impedance
Figure 6.48 Example of External Bus Master Operation
In the event of contention with a bus request from an external bus master when a transition is
made to software standby mode, the
BACK and strobe states may be indeterminate after the
transition to software standby mode (see figure 6.36).
When software standby mode is used, the BRLE bit should be cleared to 0 in BRCR before
executing the SLEEP instruction.



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