E

DD28F032SA

13

5.0 BUS OPERATIONS, COMMANDS AND STATUS REGISTER DEFINITIONS

Mode

Notes

RP#

OE#

WE#

RY/BY#

Read

1,2,7

X

Output Disable

1,6,7

X

High Z

X

Standby

1,6,7

X

X

X

High Z

X

Deep Power-Down

1,3

X

XXXX

High Z

Manufacturer ID

4

0089H

Device ID

4

66A0H

Write

1,5,6

X

Mode

Notes

RP#

OE#

WE#

RY/BY#

Read

1,2,7

X

Output Disable

1,6,7

X

High Z

X

Standby

1,6,7

X

X

X

High Z

X

Deep Power-Down

1,3

X

XXXX

High Z

Manufacturer ID

4

89H

Device ID

4

A0H

Write

1,5,6

X

NOTES:

1.

X can be V

2. RY/BY# output is open drain. When the WSM is ready, block erase is suspended or the device is in deep power-down

mode, RY/BY# will be at V

operation is in progress.

3. RP# at GND ± 0.2V ensures the lowest deep power-down current.

codes in x8 and x16 modes respectively. All other addresses are set to zero.

5. Commands for different block erase operations, data program operations or lock-block operations can only be successfully

completed when V

.

6. While the WSM is running, RY/BY# in level-mode (default) stays at V

V

7. RY/BY# may be at V

data program operation.

8. CE