19-28 MC68VZ328 User’s Manual

AC Electrical Characteristics
19.3.23 Page-Miss at Starting of LCD DMA for SDRAM (CAS
Latency = 1)

Figure 19-24 shows the timing diagram for the page-miss at the starting of LCD DMA for SDRAM. The

signal values and units of measure for this figure are found in Table19-16 on page 19-31. Detailed

information about the operation of individual signals can be found in both Chapter 8, “LCD Controller,”

and Chapter 7, “DRAM Controller.”

Figure 19-24. Page-Miss at Starting of LCD DMA for SDRAM Timing Diagram

SDCLK
RAS
SCKEN
D[15:0]
CAS
A[16:1]/MD[15:0]
SDA10
CS
WE
DQM
DTACK
Active
Command
Precharge
Command Read
Command
Read
Command Read
Command
Read
Command
Bank Row Col n Col n+1 Col n+2 Col n+3
1=All Bank
Data n Data n+1 Data n+2 Data n+3