M95M01-DF datasheet(16/51 Pages) STMICROELECTRONICS

Part #	M95M01-DF

Description	1-Mbit serial SPI bus EEPROM

PDF	51 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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16 / 51 page

Instructions

M95M01-DF M95M01-R

16/51

DocID13264 Rev 14

Instructions

Each command is composed of bytes (MSBit transmitted first), initiated with the instruction

byte, as summarized in Table 3.

If an invalid instruction is sent (one not contained in Table 3), the device automatically enters

a Wait state until deselected.

Table 3. Instruction set

Instruction

Description

Instruction

format

WREN

Write Enable

0000 0110

WRDI

Write Disable

0000 0100

RDSR

Read Status Register

0000 0101

WRSR

Write Status Register

0000 0001

READ

Read from Memory Array

0000 0011

WRITE

Write to Memory Array

0000 0010

RDID(1)

1. Instruction available only for the M95M01-D device.

Read Identification Page

1000 0011

WRID(1)

Write Identification Page

1000 0010

RDLS(1)

Reads the Identification Page lock status

1000 0011

LID(1)

Locks the Identification page in read-only mode

1000 0010

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