a290011tx-90f AMIC Technology Corporation, a290011tx-90f Datasheet - Page 15

• Manufacturer Part Number: a290011tx-90f
• Description: 128k X 8 Bit Cmos 5.0 Volt-only, Boot Sector Flash Memory
• Manufacturer: AMIC Technology Corporation

and then read I/O
erase cycle has begun; all further commands (other than
Erase Suspend) are ignored until the erase operation is
complete. If I/O
sector erase commands. To ensure the command has
been accepted, the system software should check the
status of I/O
sector erase command. If I/O
check, the last command might not have been accepted.
Table 6 shows the outputs for I/O
(December, 2004, Version 1.3)
3
prior to and following each subsequent
3
is "0", the device will accept additional
3
. If I/O
3
is "1", the internally controlled
3
is high on the second status
3
.
14
Notes :
1. Read toggle bit twice to determine whether or not it is
2. Recheck toggle bit because it may stop toggling as I/O
toggling. See text.
changes to "1". See text.
No
Figure 5. Toggle Bit Algorithm
A29001/A290011 Series
Commplete, Write
Reset Command
Read I/O
Program/Erase
Read I/O
Read I/O
Operation Not
= Toggle ?
= Toggle ?
Toggle Bit
Toggle Bit
I/O
AMIC Technology, Corp.
START
Twice
5
= 1?
7
7
7
Yes
Yes
Yes
-I/O
-I/O
- I/O
0
0
0
(Note 1)
(Notes 1,2)
Operation Complete
No
No
Program/Erase
5