HD6413002 Datasheet, PDF (247/700 Pages) Renesas Technology Corp – High-performance single-chip microcontroller

8.4.14 DMAC States in Reset State, Standby Modes, and Sleep Mode
When the chip is reset or enters hardware or software standby mode, the DMAC is initialized.
DMAC operations continue in sleep mode. Figure 8-24 shows the timing of a cycle-steal transfer
in sleep mode.
CPU cycle
DMAC cycle
Sleep mode
DMAC cycle
T₂ T_d T₁ T₂ T₁ T₂
T_d T₁ T₂ T₁ T₂
T_d
ø
Address
bus
RD
HWR , LWR
Figure 8-24 Timing of Cycle-Steal Transfer in Sleep Mode
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