23K256-ESLASHST datasheet(7/27 Pages) MICROCHIP

部件名	23K256-E/ST

功能描述	256-Kbit SPI Bus Low-Power Serial SRAM

PDF	27 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

标志

7 / 27 page

 2008-2022 Microchip Technology Inc. and its subsidiaries

DS20002100G-page 7

23A256/23K256

FIGURE 2-1:

BYTE READ SEQUENCE

FIGURE 2-2:

BYTE WRITE SEQUENCE

TABLE 2-1:

INSTRUCTION SET

Instruction Name

Instruction Format

Description

READ

0000 0011

Read data from memory array beginning at selected address

WRITE

0000 0010

Write data to memory array beginning at selected address

RDSR

0000 0101

Read STATUS register

WRSR

0000 0001

Write STATUS register

SCK

23456789 10 11

21 22 23 24 25 26 27 28 29 30 31

15 14 13 12

210

76543210

Instruction

16-bit Address

Data Out

High-Impedance

9 10 11

21 222324 25 262728 2930 31

15 14 13 12

210 7

6543

210

Instruction

16-bit Address

Data Byte

High-Impedance

SCK

4567

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