参数资料
型号: M93S66-WDS3TP
厂商: STMICROELECTRONICS
元件分类: PROM
英文描述: 256 X 16 MICROWIRE BUS SERIAL EEPROM, PDSO8
封装: 3 X 3 MM, ROHS COMPLIANT, TSSOP-8
文件页数: 33/35页
文件大小: 610K
代理商: M93S66-WDS3TP
7/34
M93S66, M93S56, M93S46
Table 3. Instruction Set for the M93S66, M93S56
Note: 1. X = Don’t Care bit.
2. Address bit A7 is not decoded by the M93S56.
Instruction
Description
W
PRE
Start
bit
Op-
Code
Address1,2
Data
Required
Clock
Cycles
Additional
Comments
READ
Read Data
from Memory
X
0
1
10
A7-A0
Q15-Q0
WRITE
Write Data to
Memory
1
0
1
01
A7-A0
D15-D0
27
Write is executed if
the address is not
inside the
Protected area
PAWRITE
Page Write to
Memory
10
1
11
A7-A0
N x
D15-D0
11 + N x 16
Write is executed if
all the N
addresses are not
inside the
Protected area
WRAL
Write All
Memory
with same
Data
1
0
1
00
01XXXXXX
D15-D0
27
Write all data if the
Protection
Register is cleared
WEN
Write Enable
1
0
1
00
11XXXXXX
11
WDS
Write Disable
X
0
1
00
00XXXXXX
11
PRREAD
Protection
Register Read
X
1
10
XXXXXXXX
Q7-Q0
+ Flag
Data Output =
Protection
Register content +
Protection Flag bit
PRWRITE
Protection
Register Write
11
1
01
A7-A0
11
Data above
specified address
A7-A0 are
protected
PRCLEAR
Protection
Register Clear
1
11
11111111
11
Protect Flag is also
cleared (cleared
Flag = 1)
PREN
Protection
Register
Enable
1
00
11XXXXXX
11
PRDS
Protection
Register
Disable
1
00
00000000
11
OTP bit is set
permanently
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M93S66-WDS6P 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:4Kbit, 2Kbit and 1Kbit 16-bit wide MICROWIRE Serial Access EEPROM with Block Protection
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