参数资料
型号: LH28F320SKTD-ZR
厂商: Sharp Microelectronics
文件页数: 35/70页
文件大小: 0K
描述: IC FLASH 32MBIT 70NS 48TSOP
产品变化通告: Symmetrical Flash Discontinuation 01/Dec/2005
标准包装: 50
格式 - 存储器: 闪存
存储器类型: FLASH
存储容量: 32M(4M x 8,2M x 16)
速度: 70ns
接口: 并联
电源电压: 2.7 V ~ 3.6 V,4.5 V ~ 5.5 V
工作温度: 0°C ~ 70°C
封装/外壳: 48-TSOP
供应商设备封装: 48-TSOP
包装: 托盘
其它名称: 425-2463
LHF32KZR
LHF32KZR
32
Start
Write 60H
Bus
Operation
Write
Write
Command
Clear Block
Lock-Bits Setup
Clear Block
Lock-Bits Confirm
Data=60H
Addr=X
Data=D0H
Addr=X
Comments
Write D0H
Read
Status Register
Read
Standby
Status Register Data
Check SR.7
1=WSM Ready
0=WSM Busy
SR.7=
0
Write FFH after the Clear Block Lock-Bits operation to
place device in read array mode.
1
Full Status
Check if Desired
Clear Block Lock-Bits
Complete
FULL STATUS CHECK PROCEDURE
Read Status Register
Data(See Above)
SR.3=
1
V PP Range Error
Bus
Operation
Standby
Command
Comments
Check SR.3
1=V PP Error Detect
Check SR.1
0
1
Standby
1=Device Protect Detect
WP#=V IL
Check SR.4,5
SR.1=
Device Protect Error
Standby
Both 1=Command
Sequence Error
0
Standby
Check SR.5
1=Clear Block Lock-Bits Error
SR.4,5=
0
1
Command Sequence
Error
SR.5,SR.4,SR.3 and SR.1 are only cleared by the Clear Status
Register command.
If error is detected, clear the Status Register before attempting
retry or other error recovery.
SR.5=
1
Clear Block Lock-Bits
Error
0
Clear Block Lock-Bits
Successful
Figure 13. Clear Block Lock-Bits Flowchart
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