LH28F320BJHE-PTTL90 Sharp Electronics, LH28F320BJHE-PTTL90 Datasheet - Page 12

• Manufacturer Part Number: LH28F320BJHE-PTTL90
• Manufacturer: Sharp Electronics

Specifications of LH28F320BJHE-PTTL90

• Cell Type: NOR
• Density: 32Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Top
• Address Bus: 22/21Bit
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: -40C to 85C
• Package Type: TSOP
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Word Size: 8/16Bit
• Number Of Words: 4M/2M
• Supply Current: 30mA
• Mounting: Surface Mount
• Pin Count: 48
• Lead Free Status / Rohs Status: Not Compliant

3.5 Read Identifier Codes
The
manufacturer code, device code, block lock configuration
codes for each block and the permanent lock configuration
code (see Figure 4). Using the manufacturer and device
codes, the system CPU can automatically match the device
with its proper algorithms. The block lock and permanent
lock configuration codes identify locked and unlocked
blocks and permanent lock-bit setting.
sharp
1FDFFF
1FCFFF
1FEFFF
1FD003
1FD002
1FD001
1FD000
1EFFFF
1FFFFF
1F8FFF
1F7FFF
[A
1FF003
1FF002
1FF001
1FF000
1FE003
1FE002
1FE001
1FE000
007FFF
000FFF
1F9000
1F8003
1F8002
1F8001
1F8000
1F0003
1F0002
1F0001
1F0000
008000
001000
000080
00007F
000004
000003
000002
000001
000000
20
Figure 4. Device Identifier Code Memory Map
-A
read
0
]
Parameter Block 0 Lock Configuration Code
Parameter Block 5 Lock Configuration Code
Main Block 62 Lock Configuration Code
Main Block 0 Lock Configuration Code
Boot Block 0 Lock Configuration Code
Boot Block 1 Lock Configuration Code
identifier
Permanent Lock Configuration Code
Reserved for Future Implementation
Reserved for Future Implementation
Reserved for Future Implementation
Reserved for Future Implementation
Reserved for Future Implementation
Reserved for Future Implementation
Reserved for Future Implementation
Reserved for Future Implementation
Reserved for Future Implementation
Reserved for Future Implementation
Reserved for Future Implementation
Reserved for Future Implementation
(Parameter Blocks 1 through 4)
(Main Blocks 1 through 61)
Manufacturer Code Main Block 62
Device Code
OTP Block
codes
Top Boot
Parameter Block 0
Parameter Block 5
operation
Main Block 0
Boot Block 0
Boot Block 1
outputs
[A
3FFFFF
3FE006
3FE005
3FE004
3FE003
3FE000
3FDFFF
3FC006
3FC005
3FC004
3FC003
3FC000
3FBFFF
3FA006
3FA005
3FA004
3FA003
3FA000
3F9FFF
3F2000
3F1FFF
3F0006
3F0005
3F0004
3F0003
3F0000
3EFFFF
3E0006
3E0005
3E0004
3E0003
3E0000
3DFFFF
010000
00FFFF
002000
001FFF
000100
0000FF
000008
000007
000006
000005
000004
000003
000002
000001
000000
20
-A
-1
]
the
LHF32J04
3.6 OTP(One Time Program) Block
The OTP block is a special block that can not be erased.
The block is divided into two parts. One is a factory
program area where a unique number can be written
according to customer requirements in SHARP factory.
This factory program area is "READ ONLY" (Already
locked). The other is a customer program area that can be
used by customers. This customer program area can be
locked. After locking, this customer program area is
protected permanently.
The OTP block is read in Configuration Read Mode by
writing Read Identifier Codes command(90H). To return
to Read Array Mode, write Read Array command(FFH).
The OTP block is programmed by writing OTP Program
command(C0H). First write OTP Program command and
then write data with address to the device (See Figure 5).
If OTP program is failed, SR.4(WORD/BYTE WRITE
AND SET LOCK-BIT STATUS) bit is set to "1". And if
this OTP block is locked, SR.1(DEVICE PROTECT
STATUS) bit is set to "1" too.
The OTP block is also locked by writing OTP Program
command(C0H). First write OTP Program command and
then write data "FFFDH" with address "80H" to the
device. Address "80H" of OTP block is OTP lock
information. Bit 0 of address "80H" means factory
program area lock status("1" is "NOT LOCKED", "0" is
"LOCKED"). Bit 1 of address "80H" means customer
program area lock status. The OTP lock information can
not be cleared, after once it is set.
[A
000FFF
000085
000084
000081
000080
20
-A
0
]
Figure 5. OTP Block Address Map
Customer Program Area Lock
Factory Program Area Lock
Customer Program Area
Factory Program Area
OTP Lock
[A
001FFF
00010A
000109
000102
000100
Rev. 1.27
20
-A
-1
]
10