19-24 MC68VZ328 User’s Manual

AC Electrical Characteristics
19.3.19 Page-Hit CPU Byte-Write Cycle for 8-Bit SDRAM (CAS
Latency = 1)

Figure 19-20 shows the t imin g di ag ram for the page-hit SDRAM CPU byte-write cycle for 8-bit 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 19-20. Page-Hit CPU Byte-Write Cycle for 8-Bit SDRAM Timing Diagram

S0 S2 S4 S6 S7S5S3S1
SDCLK
RAS
SCKEN
D[15:0]
CAS
A[16:1]/MD[15:0]
SDA10
CS
WE
DQM
DTACK
Write
Command
Col
Upper Byte Lower Byte
13
12