Motorola MC68VZ328 사용자 설명서
AC Electrical Characteristics
Electrical Characteristics
19-27
19.3.22
Enter Self-Refresh Due to No Activity for 64 Clocks
(Bit RM of DRAM Control Register = 1)
Figure 19-23 shows the timing diagram for enter self-refresh due to no activity. The signal values and units
of measure for this figure are found in Table 19-16 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.”
of measure for this figure are found in Table 19-16 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 19-23. Enter Self-Refresh Due to No Activity Timing Diagram
SDCLK
RAS
SCKEN
CAS
A[16:1]/MD[15:0]
SDA10
CS
WE
Precharge
Command
Command
Auto Refresh (SCKEN = 0)
Command