Motorola MC68VZ328 19.3.14 Page-Miss SDRAM CPU Read Cycle (CAS

AC Electrical Characteristics
Electrical Characteristics 19-19
19.3.14 Page-Miss SDRAM CPU Read Cycle (CAS
Latency = 1)
Figure 19-15 shows the t imi ng di ag ram f or the page-miss SDRAM CPU read cycle. 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 Chapter8, “LCD Controller,” and Chapter 7, “DRAM
Controller.”
Figure 19-15. Page-Miss SDRAM CPU Read Cycle Timing Diagram
1
S0
5
16
2
S2 S4 S4 S4 S4 S0S6 S4S2 S3S1S7S5S4S4S4S3S1
SDCLK
RAS
SCKEN
D[15:0]
CAS
A[16:1]/MD[15:0]
SDA10
CS
WE
DQM
DTACK
3
Active
Command
Precharge
Command Read Command
4
Bank Row Col
1=All Bank