23A512T-ESLASHST datasheet(6/32 Pages) MICROCHIP

tên linh kiện	23A512T-E/ST

Giải thích chi tiết về linh kiện	512Kbit SPI Serial SRAM with SDI and SQI Interface

PDF	32 Pages

Scroll/Zoom	100%

nhà sản xuất	MICROCHIP [Microchip Technology]

Trang chủ	http://www.microchip.com

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6 / 32 page

23A512/23LC512

DS20005155B-page 6

 2012-2013 Microchip Technology Inc.

FIGURE 2-1:

BYTE READ SEQUENCE (SPI MODE)

FIGURE 2-2:

BYTE WRITE SEQUENCE (SPI MODE)

TABLE 2-1:

INSTRUCTION SET

Instruction Name Instruction Format

Hex

Code

Description

READ

0000 0011

0x03

Read data from memory array beginning at selected address

WRITE

0000 0010

0x02

Write data to memory array beginning at selected address

EDIO

0011 1011

0x3B

Enter Dual I/O access

EQIO

0011 1000

0x38

Enter Quad I/O access

RSTIO

1111 1111

0xFF

Reset Dual and Quad I/O access

RDMR

0000 0101

0x05

Read Mode Register

WRMR

0000 0001

0x01

Write Mode Register

SCK

23456

789 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 1011

2122 23242526 272829 30 31

15 14 13 12

210 76

543

Instruction

16-bit Address

Data Byte

High-Impedance

SCK

567

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