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M93C76-R 数据表(PDF) 12 Page - STMicroelectronics

部件名 M93C76-R
功能描述  Programming instructions that work on: byte word or entire memory
PDF  35 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M93C76-R 数据表(HTML) 12 Page - STMicroelectronics

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Instructions
M93C86-x M93C76-x M93C66-x M93C56-x M93C46-x
12/35
DocID4997 Rev 17
Table 5. Instruction set for the M93C56 and M93C66
Instruction
Description
Start
bit
Op-
code
x8 origination (ORG = 0)
x16 origination (ORG = 1)
Address
(1) (2)
Data
Required
clock
cycles
Address
(1) (3)
Data
Required
clock
cycles
READ
Read Data from Memory
1
10
A8-A0
Q7-
Q0
-
A7-A0
Q15-
Q0
-
WRITE
Write Data to Memory
1
01
A8-A0
D7-
D0
20
A7-A0
D15-D0
27
WEN
Write Enable
1
00
1 1XXX
XXXX
-
12
11XX
XXXX
-
11
WDS
Write Disable
1
00
0 0XXX
XXXX
-
12
00XX
XXXX
-
11
ERASE
Erase Byte or Word
1
11
A8-A0
-
12
A7-A0
-
11
ERAL
Erase All Memory
1
00
1 0XXX
XXXX
-
12
10XX
XXXX
-
11
WRAL
Write All Memory with
same Data
1
00
0 1XXX
XXXX
D7-
D0
20
01XX
XXXX
D15-D0
27
1.
X = Don't Care bit.
2.
Address bit A8 is not decoded by the M93C56.
3.
Address bit A7 is not decoded by the M93C56.
Table 6. Instruction set for the M93C76 and M93C86
Instruction
Description
Start
bit
Op-
code
x8 Origination (ORG = 0)
x16 Origination (ORG = 1)
Address
(1)(2)
Data
Required
clock
cycles
Address
(1) (3)
Data
Required
clock
cycles
READ
Read Data from
Memory
1
10
A10-A0
Q7-Q0
-
A9-A0
Q15-Q0
-
WRITE
Write Data to
Memory
1
01
A10-A0
D7-D0
22
A9-A0
D15-D0
29
WEN
Write Enable
1
00
11X XXXX
XXXX
-
14
11 XXXX
XXXX
-
13
WDS
Write Disable
1
00
00X XXXX
XXXX
-
14
00 XXXX
XXXX
-
13
ERASE
Erase Byte or Word
1
11
A10-A0
-
14
A9-A0
-
13
ERAL
Erase All Memory
1
00
10X XXXX
XXXX
-
14
10 XXXX
XXXX
-
13
WRAL
Write All Memory
with same Data
1
00
01X XXXX
XXXX
D7-D0
22
01 XXXX
XXXX
D15-D0
29
1.
X = Don't Care bit.
2.
Address bit A10 is not decoded by the M93C76.
3.
Address bit A9 is not decoded by the M93C76.



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