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W77LE58 Datasheet(PDF) 39 Page - List of Unclassifed Manufacturers

Part # W77LE58
Description  8-BIT MICROCONTROLLER
PDF  82 Pages
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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W77LE58 Datasheet(HTML) 39 Page - List of Unclassifed Manufacturers

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W77LE58/W77L058A
Publication Release Date: April 17, 20067
- 39 -
Revision A7
Table 4. Data Memory Cycle Stretch Values
M2
M1
M0
MACHINE
CYCLES
RD OR WR
STROBE WIDTH IN
CLOCKS
RD OR WR
STROBE WIDTH @ 25
MHZ
0
0
0
2
2
80 nS
0
0
1
3(default)
4
160 nS
0
1
0
4
8
320 nS
0
1
1
5
12
480 nS
1
0
0
6
16
640 nS
1
0
1
7
20
800 nS
1
1
0
8
24
960 nS
1
1
1
9
28
1120 nS
Next Instruction
Machine Cycle
Second
Machine cycle
First
Machine cycle
Last Cycle
of Previous
Instruction
C4
PORT 2
PORT 0
WR
PSEN
ALE
CLK
C3
C2
D0-D7
A0-A7
D0-D7
A0-A7
D0-D7
A0-A7
D0-D7
A15-A8
A15-A8
A15-A8
A15-A8
A0-A7
C1
C4
C3
C2
C1
C4
C3
C2
C1
C4
C3
C2
C1
MOVX instruction cycle
Next Inst. Read
Next Inst.
Address
MOVX Data out
MOVX Data
Address
MOVX Inst.
Address
MOVX Inst
.
Figure 8. Data Memory Write with Stretch Value = 0



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