 2012-2015 Microchip Technology Inc.

DS20005142C-page 15

23A1024/23LC1024

FIGURE 4-2:

BYTE READ MODE SDI

FIGURE 4-3:

BYTE WRITE MODE SDI

Note 1: Page and Sequential mode are similar in that additional bytes can be clocked out before CS is

brought high.

2: The first byte read after the address will be a dummy byte.

CS

9

1011

1213 14151617181920

0

2

34

56

7

18

1

0

0

14 12 10

8

64

2

22 20 18 16

0

0

0

15 13 11

9

75

3

23 21 19 17

1

24-Bit Address

Instruction

Dummy Byte

21 22 23

642

0

75

3

1

Data Out

SCK

SIO0

SIO1

0

1

0

Note:

Page and Sequential mode are similar in that additional bytes can be clocked in before CS is brought high.

CS

SCK

SIO0

SIO1

9

1011

12 13141516171819

0

234567

1

8

22 20 18 16 14 12 10

8

6

4

20

6

4

0

2

0

0

0

0

23 21 19 17 15 13 11

9

7

5

31

7

5

1

3

0

0

0

1

Instruction

24-Bit Address

Data In