S-25C080A データシートの表示（PDF） - Seiko Instruments Inc

部品番号

コンポーネント説明

メーカー

S-25C080A

CMOS SPI 8K SERIAL E2PROM

Seiko Instruments Inc 

Rev.1.1_00

CMOS SPI 8K SERIAL E2PROM

S-25C080A

„ Instruction Setting

Table 16 is the list of instruction for the S-25C080A. 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-

25C080A receives any invalid instruction code, the device goes in the non-select status.

Table 16

Instruction code

Address

Data

Instruction

Operation

SCK input clock SCK input clock SCK input clock SCK input clock

1 to 8

9 to 16

17 to 24

25 to 32

WREN

Write enable

0000 0110

−

−

−

WRDI

Write disable

0000 0100

−

−

−

RDSR

Read the status register

0000 0101

b7 to b0 output *1

−

−

WRSR

READ

WRITE

Write in the status register

Read memory data

Write memory data

0000 0001

0000 0011

0000 0010

b7 to b0 input

A15 to A8 *2

A15 to A8 *2

−

A7 to A0

A7 to A0

−

D7 to D0 output *3

D7 to D0 input

*1. Sequential data reading is possible.

*2. The higher addresses A15 to A10 = Don’t care.

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

Seiko Instruments Inc.

11

Share Link: