ID242 Datasheet, PDF (17/33 Pages) Sharp Electrionic Components – Flash Memory Card

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