TC58NS256DC Просмотр технического описания (PDF) - Toshiba
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TC58NS256DC Datasheet PDF : 33 Pages
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TC58NS256DC
(4) Acceptable commands after Serial Input command 80H
Once the Serial Input command 80H has been input, do not input any command other than the Program
Execution command 10H or the Reset command FFH.
80
FF
WE
RY/BY
Address input
Figure 16.
If a command other than 10H or FFH is input, the Program operation is not performed.
80
XX
Command Other than
10H or FFH
10
Programming cannot be executed.
For this operation the FFH command is needed.
(5) Status Read during a Read operation
Command
CE
WE
RY/BY
RE
00
Address N
00
[A]
70
Status Read
command input
Status Read
Status output
Figure 17.
The device status can be read out by inputting the Status Read command 70H in Read mode. Once the
device has been set to Status Read mode by a 70H command, the device will not return to Read mode.
Therefore, a Status Read during a Read operation is prohibited.
However, when the Read command 00H is input during [A], Status mode is reset and the device returns to
Read mode. In this case, data output starts automatically from address N and address input is unnecessary.
(6) Auto programming failure
80
10
Address Data
M
input
80
10
M
Fail
70
I/O
80
10
Address Data
N
input
If the programming result for page address M is Fail, do not try to program the
page to address N in another block. Because the previous input data has been lost,
the same input sequence of 80H command, address and data is necessary.
N
Figure 18.
2000-08-27 26/33
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