HD6417034 Datasheet, PDF (247/691 Pages) Renesas Technology Corp – SuperH RISC ENGINE SH7032 AND SH7034

CK
DREQ
Bus
cycle ^CPU
CPU
CPU
DMAC
DMAC
DMAC
CPU
DACK
Figure 9.23 DREQ Pin Sampling Timing in Burst Mode (Single Address DREQ Level
Detection, DACK Active-Low, 1 Bus Cycle = 2 States)
CK
DREQ
Bus
cycle
CPU
CPU
DMAC(R) DMAC(W) DMAC(R) DMAC(W)
CPU
DACK
Figure 9.24 DREQ Pin Sampling Timing in Burst Mode (Dual Address DREQ Level
Detection, DACK Active-Low, DACK Output in Read Cycle, 1 Bus Cycle = 2 States)
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