M95M02-DF datasheet(41/45 Pages) STMICROELECTRONICS

41 / 45 page

Contents

Description ........................................................................2

Block diagram .....................................................................4

Signal description .................................................................5

3.1

Serial data output (Q) ........................................................... 5

3.2

Serial data input (D) ............................................................ 5

3.3

Serial clock (C) ................................................................ 5

3.4

Chip select (S) ................................................................. 5

3.5

Hold (HOLD) .................................................................. 5

3.6

Write protect (W) ............................................................... 5

3.7

VCC supply voltage ............................................................. 5

3.8

VSS ground.................................................................... 5

Connecting to the SPI bus .........................................................6

4.1

SPI modes .................................................................... 7

Operating features.................................................................8

5.1

Supply voltage (VCC) ........................................................... 8

5.1.1

Operating supply voltage (VCC).............................................. 8

5.1.2

Device reset ............................................................ 8

5.1.3

Power-up conditions ...................................................... 8

5.1.4

Power-down ............................................................ 9

5.2

Active power and standby power modes ........................................... 9

5.3

Hold condition ................................................................. 9

5.4

Status register ................................................................ 10

5.5

Data protection and protocol control .............................................. 10

Instructions ......................................................................11

6.1

Write enable (WREN) .......................................................... 12

6.2

Write disable (WRDI) .......................................................... 13

6.3

Read status register (RDSR) .................................................... 14

6.3.1

WIP bit ............................................................... 14

6.3.2

WEL bit ............................................................... 14

6.3.3

BP1, BP0 bits .......................................................... 14

6.3.4

SRWD bit ............................................................. 15

6.4

Write status register (WRSR).................................................... 16

6.5

Read from memory array (READ)................................................ 18

6.6

Write to memory array (WRITE) ................................................. 19

M95M02-DR M95M02-DF

Contents

DS7024 - Rev 13

page 41/45

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