M93S46 ST Microelectronics, M93S46 Datasheet - Page 11

• Manufacturer Part Number: M93S46
• Description: 4Kbit / 2Kbit and 1Kbit 16-bit wide MICROWIRE Serial Access EEPROM with Block Protection
• Manufacturer: ST Microelectronics

Figure 7. PRCLEAR and PRDS Sequences
Note: For the meanings of An, Xn and Dn, please see Table 2 and Table 3.
Protect
Register
CLEAR
Protect
Register
DISABLE
W
S
Q
W
S
Q
PRE
D
PRE
D
1 1
1 0
CODE
CODE
OP
OP
1
0
ADDR
ADDR
1 1 1
0 0 0
BUSY
BUSY
STATUS
STATUS
CHECK
CHECK
READY
READY
M93S66, M93S56, M93S46
AI00892C
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