參數(shù)資料
型號(hào): HN29WT800T-12
英文描述: x8/x16 Flash EEPROM
中文描述: x8/x16閃存EEPROM
文件頁數(shù): 36/43頁
文件大?。?/td> 321K
代理商: HN29WT800T-12
HN29W12811BP Series
36
Function Description
Status Register:
The HN29W12811 outputs the operation status data as follows: I/O7 pin outputs a V
OL
to
indicate that the memory is in either erase or program operation. The level of I/O7 pin turns to a V
OH
when
the operation finishes. I/O5 and I/O4 pins output V
OL
s to indicate that the erase and program operations
complete in a finite time, respectively. If these pins output V
OH
s, it indicates that these operations have timed
out. When these pins monitor, I/O7 pin must turn to a V
OH
. To execute other erase and program operation,
the status data must be cleared after a time out occurs. From I/O0 to I/O3 pins are reserved for future use.
The pins output V
OL
s and should be masked out during the status data read mode. The function of the status
register is summarized in the following table
.
I/O
Flag definition
Ready/
Busy
Definition
I/O7
V
OH
= Ready, V
OL
= Busy
Outputs a V
OL
and should be masked out during the status data poling mode.
V
OH
= Fail, V
OL
= Pass
V
OH
= Fail, V
OL
= Pass
Outputs a V
OL
and should be masked out during the status data poling mode.
I/O6
Reserved
I/O5
Erase check
I/O4
Program check
I/O3
Reserved
I/O2
Reserved
I/O1
Reserved
I/O0
Reserved
Requirement for System
Specifications
Item
Min
Typ
Max
Unit
Usable sectors (initially)
8,029
8,192
sector
Spare sectors
145
sector
ECC (Error Correction Code)
1
bit/sector
Program/Erase endurance
3
×
10
5
cycle
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