MSC7118 Datasheet, PDF (31/60 Pages) Freescale Semiconductor, Inc – Low-Cost 16-bit DSP with DDR Controller

Figure 10 and Figure 11 show HDI16 read signal timing. Figure 12 and Figure 13 show HDI16 write signal timing.
HA[0–2]
57
58
56
53
HCS[1–2]
57
58
HRW
HDS
HD[0–15]
44a
44b
51
55
44c
50
52
49
HREQ (single host request)
61
HRRQ (double host request)
Figure 10. Read Timing Diagram, Single Data Strobe
HA[0–2]
HCS[1–2]
HRD
HD[0–15]
57
58
56
53
44a
51
55
50
49
44b
44a
52
61
HREQ (single host request)
HRRQ (double host request)
Figure 11. Read Timing Diagram, Double Data Strobe
MSC7118 Low-Cost 16-bit DSP with DDR Controller Data Sheet, Rev. 7
Freescale Semiconductor
31