DS80C320-MCG Datasheet, PDF (89/175 Pages) Dallas Semiconductor – High-Speed Microcontroller User Guide

High-Speed Microcontroller User’s Guide
THREE CYCLE MOVX INSTRUCTION Figure 6-5a
Last Cycle
of
Previous
Instruction
First
Machine
Cycle
Second
Machine
Cycle
Third
Machine
Cycle
Next
Instruction
Machine
Cycle
MOVX Instruction
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
Next
MOVX
Instruction
Instruction
Address
Address
MOVX
Instruction
Next
Instruction
Read
MOVX
Data
Address
A8-A15
A8-A15
MOVX
Data
A8-A15
THREE CYCLE DATA MEMORY WRITE (RESET DEFAULT)
STRETCH VALUE=1
A0-A7 D0-D7
A8-A15
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