ST93CS47 STMicroelectronics, ST93CS47 Datasheet - Page 11

• Manufacturer Part Number: ST93CS47
• Description: (ST93CS46 / ST93CS47) 1K 64 x 16 SERIAL MICROWIRE EEPROM
• Manufacturer: STMicroelectronics

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Figure 8. PRREAD, PRWRITE, PREN Sequences
Protect
Register
READ
Protect
Register
WRITE
Protect
Register
ENABLE
PRE
S
Q
W
S
Q
S
D
PRE
D
PRE
W
D
1 1 0 Xn
1 0
1
CODE
CODE
CODE
OP
OP
0
OP
1
0
1
An
1
ADDR
ADDR
Xn X0
X0
A0
An
DATA
OUT
BUSY
A0 F
STATUS
CHECK
F = Protect Flag
READY
ST93CS46, ST93CS47
AI00891D
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