SMART 3 ADVANCED BOOT BLOCK–WORD-WIDE
E
Command
Read Array
Intelligent Identifier
Read Status Register
Clear Status Register
Write (Program)
Alternate Write (Program)
Block Erase/Confirm
Program/Erase Suspend
Program/Erase Resume
Table 6. Command Bus Definitions
Notes
First Bus Cycle
Oper Addr
Data
5
Write
X
FFH
2,3.5 Write
X
90H
5
Write
X
70H
5
Write
X
50H
4,5 Write
X
40H
4,5 Write
X
10H
5
Write
X
20H
5
Write
X
B0H
5
Write
X
D0H
Second Bus Cycle
Oper
Addr
Data
Read
IA
ID
Read
X
SRD
Write
PA
PD
Write
PA
PD
Write
BA
D0H
ADDRESS
DATA
BA = Block Address
IA = Identifier Address
PA = Program Address
X = Don’t Care
SRD = Status Register Data
ID = Identifier Data
PD = Program Data
NOTES:
1. Bus operations are defined in Table 3.
2. A0 = 0 for manufacturer code, A0 = 1 for device code.
3. Following the Intelligent Identifier command, two read operations access manufacturer and device codes.
4. Either 40H or 10H command is valid.
5. When writing commands to the device, the upper data bus [DQ8–DQ15] should be either VIL or VIH, to minimize current
draw.
20
PRELIMINARY