Dmac Timing - Renesas F-ZTAT H8 Series Hardware Manual

Section 22 Electrical Characteristics
22.3.8

DMAC Timing

DMAC timing is shown as follows.
• DMAC TEND output timing for 2 state access
Figure 22.28 shows the DMAC TEND output timing for 2 state access.
• DMAC TEND output timing for 3 state access
Figure 22.29 shows the DMAC TEND output timing for 3 state access.
• DMAC DREQ input timing
Figure 22.30 shows DMAC DREQ input timing.
φ
TEND
Figure 22.28 DMAC TEND
φ
t
TED1
TEND
Figure 22.29 DMAC TEND
Rev. 7.00 Sep 21, 2005 page 726 of 878
REJ09B0259-0700
T
1
t
TED1
TEND TEND TEND Output Timing for 2 State Access
T T
1
TEND Output Timing for 3 State Access TEND TEND
φ
t
DRQS
DREQ
Figure 22.30 DMAC DREQ
T
2
T
2 3
t
DRQH
DREQ Input Timing DREQ DREQ
t
TED2
t
TED2