23A512/23LC512

DS20005155B-page 16

 2012-2013 Microchip Technology Inc.

FIGURE 4-4:

ENTER SQI MODE (EQIO) FROM SPI MODE

4.3

Exit SDI or SQI Mode

To exit from SDI mode, the RSTIO command must be

issued. The command must be entered in the current

device configuration, either SDI or SQI, see Figure 4-7

and Figure 4-8.

FIGURE 4-5:

BYTE READ MODE SQI

SCK

0

234

56

7

1

SI

High-Impedance

SO

CS

0

0

0

111

0

0

Note:

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

Note:

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

CS

SCK

02

3

4

56

7

1

8

9

1

0

12

8

4

0

SIO0

1

0

13

9

5

1

0

0

0

0

SIO1

SIO2

SIO3

Instruction

16-Bit Address

Dummy Byte

Data Out

14

10

6

2

15

11

7

3

73

6

2

5

1

4

0