Motorola M68000 - Page 49

MOTOROLA M68000 8-/16-/32-BIT MICROPROCESSORS USER'S MANUAL 5- 3
S0 S1 S2 S3 S4 S5 S6 S7 S0 S1 S2 S3 S4 S5 S6 S7 S0 S1 S2 S3 S4 w w w w S5 S6 S7
CLK
FC2–FC0
A23–A1
AS
UDS
LDS
R/W
DTACK
D15–D8
D7–D0
READ WRITE 2 WAIT STATE READ
Figure 5-3. Read and Write-Cycle Timing Diagram
S0 S1 S2 S3 S4 S5 S6 S7 S0 S1 S2 S3 S4 S5 S6 S7 S0 S1 S2 S3 S4 S5 S6 S7
*Internal Signal Only
CLK
FC2–FC0
A23–A1
AS
UDS
LDS
R/W
DTACK
D15–D8
D7–D0
READ WRITE
READ
A0 *
Figure 5-4. Word and Byte Read-Cycle Timing Diagram
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