M36D232A, M36DR232B

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Table 3. Main Operation Modes

1. If UBS and LBS are tied together the bus is at 16 bit. For an 8 bit bus configuration use UBS and LBS separately.

Operation

Mode

EF

GF

WF

RPF

WPF

E1S

E2S

GS

WS

DQ15-DQ0

Read

X

Don't care

SRAM must be disabled

Data

Output

Write

SRAM must be disabled

Data Input

Block

Locking

XX

Don't care

SRAM must be disabled

X

Standby

XX

X

Don't care

Any SRAM mode is allowable

Hi-Z

Reset

X

X

X

X

Don't care

Any SRAM mode is allowable

Hi-Z

Output

Disable

X

Don't care

Any SRAM mode is allowable

Hi-Z

Read

Flash must be disabled

Data out

Word Read

Write

Flash must be disabled

Data in

Word Write

Standby/

Power

Down

Any Flash mode is allowable

XXX

X

Hi-Z

X

X

X

X

Hi-Z

XXXX

Hi-Z

Data

Retention

Any Flash mode is allowable

XXX

X

Hi-Z

X

X

X

X

Hi-Z

XXXX

Hi-Z

Output

Disable

Any Flash mode is allowable

X

Hi-Z