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DS89C430 Fiches technique(PDF) 28 Page - Dallas Semiconductor

No de pièce DS89C430
Description  Ultra-High-Speed Flash Microcontrollers
PDF  48 Pages
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Fabricant  DALLAS [Dallas Semiconductor]
Site Internet  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS89C430 Fiches technique(HTML) 28 Page - Dallas Semiconductor

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DS89C430/DS89C440/DS89C450 Ultra-High-Speed Flash Microcontrollers
28 of 48
Figure 8. Nonpage Mode, External Data Memory Access (Stretch = 0, CD1:CD2 = 10)
ALE
Port 0
XTAL1
PSEN
RD/WR
MOVX
INST
A
DATA
A
A
A
A
Port 2
MOVX Instruction
1st Machine Cycle
2nd Machine Cycle
MOVX
Instruction
Fetch
Memory
Access
Stretch = 0
Figure 9. Nonpage Mode, External Data Memory Access (Stretch = 1, CD1:CD2 = 10)
ALE
Port 0
XTAL1
PSEN
RD/WR
MOVX
INST
A
DATA
A
A
A
A
Port 2
MOVX Instruction
1st Machine Cycle
2nd Machine Cycle
MOVX
Instruction
Fetch
Memory Access
Stretch = 1
3rd Machine Cycle



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