M93S66-WMN6TP 데이터 시트보기 (PDF) - STMicroelectronics

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M93S66-WMN6TP

4Kbit, 2Kbit and 1Kbit (16-bit wide) MICROWIRE Serial Access EEPROM with Block Protection

STMicroelectronics 

M93S66, M93S56, M93S46

Figure 6. PREAD, PRWRITE and PREN Sequences

Protect

Register

READ

PRE

S

D

1 1 0 Xn X0

Protect

Register

WRITE

Q

PRE

An

A0 F

ADDR

OP

CODE

DATA

OUT

F = Protect Flag

W

S

CHECK

STATUS

D

1 0 1 An A0

Protect

Register

ENABLE

Q

PRE

W

ADDR

OP

CODE

BUSY

READY

S

D

1 0 0 1 1 Xn X0

OP

CODE

Note: For the meanings of An, Xn and Dn, please see Table 2. and Table 3..

AI00891D

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