TC58256AFT
Table 3. Command table (HEX)
First Cycle Second Cycle Acceptable while Busy
Serial Data Input
80
¾
Read Mode (1)
00
¾
Read Mode (2)
01
¾
Read Mode (3)
50
¾
Reset
FF
¾
Q
Auto Program
10
¾
Auto Block Erase
60
D0
Status Read
70
¾
Q
ID Read
90
¾
HEX data bit assignment
(Example)
Serial data input: 80H
10000000
I/O8 7 6 5 4 3 2 I/O1
Once the device has been set to Read mode by a 00H, 01H or 50H command, additional Read commands are
not needed for sequential page Read operations. Table 4 shows the operation states for Read mode.
Table 4. Read mode operation states
CLE
ALE
CE
WE
RE
I/O1~I/O8
Power
Output Select
L
L
L
H
L
Data output
Active
Output Deselect
L
L
L
H
H
High impedance
Active
Standby
L
L
H
H
*
High impedance
Standby
H: VIH, L: VIL, *: VIH or VIL
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