W77C32F-40 Nuvoton Technology Corporation of America, W77C32F-40 Datasheet - Page 72

• Manufacturer Part Number: W77C32F-40
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W77C32F-40

• Lead Free Status / Rohs Status: Supplier Unconfirmed

17.3.4 Explanation of Logic Symbols
In order to maintain compatibility with the original 8051 family, this device specifies the same
parameter for each device, using the same symbols. The explanation of the symbols is as follows.
t
C
H
I
Q
V
X
M2
0
0
0
0
1
1
1
1
Time
Clock
Logic level high
Instruction
Output Data
Valid
No longer a valid state
M1
0
0
1
1
0
0
1
1
A
D
L
P
R
W
Z
M0
0
1
0
1
0
1
0
1
Address
Input Data
Logic level low
Tri-state
PSEN
RD signal
WR signal
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2 machine cycles
3 machine cycles
4 machine cycles
5 machine cycles
6 machine cycles
7 machine cycles
8 machine cycles
9 machine cycles
MOVX CYCLES
W77C32/W77C032
12 t
16 t
20 t
24 t
28 t
4 t
8 t
T
MCS
0
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL