ASAHI KASEI

[AK6510C/12C]

DAP02E-04

2005/03

- 5 -

Function Description

AK6510C/12C has six instructions.

The instruction can be input after the CS pin changes high to

low.

All the instructions are MSB first.

Instruction

Op-code

Address

Data

Description

READ

0000 X011

X X X A12-A8

A7-A0

D7-D0 (out)

Read from Memory Array

WRITE

0000 X010

X X X A12-A8

A7-A0

D7-D0 (in)

Write to Memory Array

WREN

0000 X110

------

------

Write Enable

WRDI

0000 X100

------

------

Write Disable

RDSR

0000 X101

Bit7-Bit0 (out)

------

------

Read Status Register

WRSR

0000 X001

Bit7-Bit0 (in)

------

------

Write Status Register

X: don’t care

AK6510C: A12 is don’t care

Table 1. Instruction set for AK6510C/12C

WREN (WRITE ENABLE) / WRDI (WRITE DISABLE)

The WRITE function can be accepted only in the status of Write Enable. After VCC is applied,

AK6510C/12C is in the status of Write Disable.

After the function of WRDI, AK6510C/12C cannot

accept any programming function.

WREN

WRDI

01234567

1

X

0

0

0

00

0

Hi-Z

CS

SCK

SI

SO

X = don’t care

01234567

1

X

0

0

0

01

0

Hi-Z

CS

SCK

SI

SO

X = don’t care