S-25CM01A Datasheet, PDF(10/28 Page) Seiko Instruments Inc – Function to prevent malfunction by monitoring clock pulse

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

S-25CM01A Datasheet, PDF (10/28 Pages) Seiko Instruments Inc – Function to prevent malfunction by monitoring clock pulse

◁

SPI SERIAL E2PROM

S-25CM01A

Rev.2.2_02_S

ï® Instruction Set

Table 13 is the list of instruction for the S-25CM01A. The instruction is able to be input by changing the CS pin "H" to

"L". Input the instruction in the MSB first. Each instruction code is organized with 1-byte as shown below. If the S-

25CM01A receives any invalid instruction code, the device goes in the non-select status.

Table 13 Instruction Set

Instruction Code

Address

Data

Instruction

Operation

SCK Input Clock SCK Input Clock SCK Input Clock SCK Input Clock SCK Input Clock

1 to 8

9 to 16

17 to 24

25 to 32

33 to 40

WREN Write enable

0000 0110

WRDI Write disable

0000 0100

RDSR

Read the status

0000 0101 b7 to b0 output *1

WRSR

Write in the status

0000 0001

b7 to b0 input

READ Read memory data

0000 0011

A23 to A16 *2

A15 to A8

A7 to A0 D7 to D0 output *3

WRITE Write memory data

0000 0010

A23 to A16 *2

A15 to A8

A7 to A0

D7 to D0 input

*1. Sequential data reading is possible.

*2. The higher addresses A23 to A17 = Donât care.

*3. After outputting data in the specified address, data in the following address is output.

▷