Table of Contents
Advertisement
8.5.16
External I/O Device – SDRAM Dual Address Transfer
SDCLK/SYSCLK
CS*
CE*
ADDR [19:0]
RAS*
CAS*
WE*
CKE
OE*
BUSSPRT*
DQM[7:0]
DATA [31:0]
ACK*
ACE*
SWE*
BWE*
DMAREQ[n]
DMAACK[n]
DMADONE*
Figure 8.5.18 Dual Address Transfer from External I/O Device to SDRAM
ff
V
V
V
X
X
X
(4-word Burst Transfer to 32-bit SDRAM)
8-54
Chapter 8 DMA Controller
V
Valid
f
f0
ff
V
V
V
Advertisement
Table of Contents
