Table 6-2. First Word Address Byte

Access Area

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

EEPROM

X

X

X

X

A11

A10

A9

A8

Serial Number

X

X

X

X

1

0

X

X

Next, the second word address byte is sent to the device which provides the remaining eight bits of the word address

(A7 through A0). Upon completion of the second word address byte, the AT24CS32 will return an ACK. See Table

6-3 to review these bit positions.

Table 6-3. Second Word Address Byte

Access Area

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

EEPROM

A7

A6

A5

A4

A3

A2

A1

A0

Serial Number

X

X

X

A4

A3

A2

A1

A0

AT24CS32

Memory Organization

© 2020 Microchip Technology Inc.

Datasheet

DS20006341A-page 17