23LC512 Ver la hoja de datos (PDF) - Microchip Technology

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Fabricante

23LC512

512Kbit SPI Serial SRAM with SDI and SQI Interface

Microchip Technology 

23A512/23LC512

FIGURE 4-4:

ENTER SQI MODE (EQIO) FROM SPI MODE

CS

SCK

01234567

SI

0 0 1 1 1 0 00

High-Impedance

SO

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

CS

SCK

01 234 5 6 78 9

SIO0

0 1 12 8 4 0

40

SIO1

0 1 13 9 5 1

51

SIO2

0 0 14 10 6 2

62

SIO3

Note:

Note:

0 0 15 11 7 3

73

Instruction

16-Bit Address

Dummy Byte Data Out

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

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

DS20005155B-page 16

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