DS80C320-MCG Datasheet, PDF (90/175 Pages) Dallas Semiconductor – High-Speed Microcontroller User Guide

FOUR CYCLE MOVX INSTRUCTION Figure 6-5b
Last Cycle of
Previous
Instruction
First
Machine
Cycle
Second
Machine
Cycle
Third
Machine
Cycle
MOVX Instruction
High-Speed Microcontroller User’s Guide
Fourth
Machine
Cycle
Next
Instruction
Machine
Cycle
C1 C2 C3 C4 C1 C2 C3 C4 C1 C2 C3 C4 C1 C2 C3 C4 C1 C2 C3 C4 C1 C2 C3 C4
CLK
ALE
PSEN
WR
AD0-AD7 ^A0-A7
D0-D7 A0-A7
D0-D7 A0-A7
D0-D7
PORT 2
MOVX
Next
MOVX
Instruction
Instruction
Data
Address
Address
Address
MOVX
Instruction
Next
Instruction
Read
A8-A15
A8-A15
MOVX
Data
A8-A15
FOUR CYCLE DATA MEMORY WRITE
STRETCH VALUE=2
A0-A7 _D0-D7
A8-A15
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