ID242LXX データシートの表示（PDF） - Sharp Electronics

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ID242LXX

Flash Memory Card

Sharp Electronics 

SHARP

ID242SERIESPRODUCTOVERVIEW

IO. Command Definitions

Device operations are determined by writing specific commands to the Command User Interface. Table 9 defines

the commands.

Table 9. Command Definitions

Command

Read Array / Reset

Read Identifier Codes

Read Status Register

Zlear Status Register

WordlByte Write

Block Erase

Block Erase and Word/Byte Write

Suspend

Block Erase and Word/Byte Write

Resume

Set Block Lock-Bit

Set Master Lock-Bit

Clear Block Lock-Bit

First Bus Cycle

-r Second Bus Cycle

1

gate

EOperation

Write

Address

DA

1 Write

DA

2 Write

DA

Write

DA

Data

FFh

(PFl+)

90h

(9090h)

70h

(707Oh)

50h

(5050h)

( 3peration

Read

Read

Address 1 Data

3 Write

I

3 Write

40h

(4040h)

WA

or

Read

1Oh

(1010h)

BA

20h

(2020h)

Write

WA 1 WD

3 Write

DA

BOh

(BOBOh)

3 Write

DOh

DA

(DODOh)

Write

BA

60h

Write

(6060h)

4 Write

DA

60h

(6060h)

Write

Write

DA

60h

(6060h)

Write

Address

IA

=Identifier code Address

Data

ID

=Identifier Codes

WA =Write Address

WD =Write Data

BA

=Block Address

SRD =Data from Status Register

DA

=Device Address

Note:

1. Following the Read Identifier Codes command, read operations access manufacture, device, block lock, and

master lock codes.

2. Status Register may be read to determine when a write, block erase, or lock bit configuration is complete,

and whether that operation completed successfully.

3. If the block is locked, block erase or write operations are desabled.

4. This command is not available.

CPSOOOZ-002@

May.1991

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