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H83069RF Datasheet(PDF) 268 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) 268 Page - Renesas Technology Corp

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Rev. 5.0, 09/04, page 246 of 978
7.4.14
DMAC States in Reset State, Standby Modes, and Sleep Mode
When the chip is reset or enters software standby mode, the DMAC is initialized and halts.
DMAC operations continue in sleep mode. Figure 7.24 shows the timing of a cycle-steal transfer
in sleep mode.
φ
Address bus
RD
HWR LWR
,
2
Td
T
T2
1
T2
T
d
T1
T
2
T1
T
2
T
1
T
CPU cycle
DMAC cycle
DMAC cycle
Sleep mode
d
T
Figure 7.24 Timing of Cycle-Steal Transfer in Sleep Mode



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