M95320-MB3 데이터 시트보기 (PDF) - STMicroelectronics

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M95320-MB3

32Kbit and 64Kbit Serial SPI Bus EEPROMs With High Speed Clock

STMicroelectronics 

M95640, M95320

– The ‘last bit of the instruction’ can be the

eighth bit of the instruction code, or the eighth

bit of a data byte, depending on the instruction

(except for Read Status Register (RDSR) and

Read (READ) instructions).

– The ‘next rising edge of Serial Clock (C)’ might

(or might not) be the next bus transaction for

some other device on the SPI bus.

Table 5. Write-Protected Block Size

Status Register Bits

BP1

BP0

Protected Block

0

0

none

0

1

Upper quarter

1

0

Upper half

1

1

Whole memory

Array Addresses Protected

M95640, M95640-W,

M95640-R, M95640-S

M95320, M95320-W,

M95320-R, M95320-S

none

none

1800h - 1FFFh

0C00h - 0FFFh

1000h - 1FFFh

0800h - 0FFFh

0000h - 1FFFh

0000h - 0FFFh

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