A29010B Series
accept additional sector erase commands. To ensure the
command has been accepted, the system software should
check the status of I/O3 prior to and following each subsequent
sector erase command. If I/O3 is high on the second status
check, the last command might not have been accepted.
Table 5 shows the outputs for I/O3.
START
Read I/O
7
-I/O
0
Read I/O7-I/O
0
(Note 1)
No
Toggle Bit
= Toggle ?
Yes
No
I/O5 = 1?
Yes
- I/O
Read I/O
7
0
(Notes 1,2)
Twice
No
Toggle Bit
= Toggle ?
Yes
Program/Erase
Operation Not
Program/Erase
Commplete, Write
Reset Command
Operation Complete
Notes :
1. Read toggle bit twice to determine whether or not it is
toggling. See text.
2. Recheck toggle bit because it may stop toggling as I/O
5
changes to "1". See text.
Figure 4. Toggle Bit Algorithm
PRELIMINARY (June, 2016, Version 0.0)
13
AMIC Technology, Corp.
AMICC [ AMIC TECHNOLOGY ]
