AT45DB321
16
X (Don’t Care)
r (reserved bits)
Table 2.
Buffer 1 to
Main
Memory
Page
Program
with Built
In Erase
Buffer 2 to
Main
Memory
Page
Program
with Built-
In Erase
Buffer 1 to
Main
Memory
Page
Program
without
Built-In
Erase
Buffer 2 to
Main
Memory
Page
Program
without
Built-In
Erase
Page
Erase
Block
Erase
Main
Memory
Page
Program
Through
Buffer 1
Main
Memory
Page
Program
Through
Buffer 2
Auto
Page
Rewrite
Through
Buffer 1
Auto
Page
Rewrite
Through
Buffer 2
Status
Register
Opcode
83H
86H
88H
89H
81H
50H
82H
85H
58H
59H
57H
1
1
1
1
1
0
1
1
0
0
0
0
0
0
0
0
1
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
1
0
0
1
1
0
0
0
0
1
1
0
0
1
0
0
0
0
0
1
0
0
1
1
1
0
0
0
0
1
0
0
0
1
1
0
0
1
1
0
0
1
0
1
1
r
r
r
r
r
r
r
r
r
r
PA12
PA12
PA12
PA12
PA12
PA12
PA12
PA12
PA12
PA12
PA11
PA11
PA11
PA11
PA11
PA11
PA11
PA11
PA11
PA11
PA10
PA10
PA10
PA10
PA10
PA10
PA10
PA10
PA10
PA10
PA9
PA9
PA9
PA9
PA9
PA9
PA9
PA9
PA9
PA9
PA8
PA8
PA8
PA8
PA8
PA8
PA8
PA8
PA8
PA8
PA7
PA7
PA7
PA7
PA7
PA7
PA7
PA7
PA7
PA7
PA6
PA6
PA6
PA6
PA6
PA6
PA6
PA6
PA6
PA6
PA5
PA5
PA5
PA5
PA5
PA5
PA5
PA5
PA5
PA5
PA4
PA4
PA4
PA4
PA4
PA4
PA4
PA4
PA4
PA4
PA3
PA3
PA3
PA3
PA3
PA3
PA3
PA3
PA3
PA3
PA2
PA2
PA2
PA2
PA2
X
PA2
PA2
PA2
PA2
PA1
PA1
PA1
PA1
PA1
X
PA1
PA1
PA1
PA1
PA0
PA0
PA0
PA0
PA0
X
PA0
PA0
PA0
PA0
X
X
X
X
X
X
BFA9
BFA9
X
X
X
X
X
X
X
X
BFA8
BFA8
X
X
X
X
X
X
X
X
BFA7
BFA7
X
X
X
X
X
X
X
X
BFA6
BFA6
X
X
X
X
X
X
X
X
BFA5
BFA5
X
X
X
X
X
X
X
X
BFA4
BFA4
X
X
X
X
X
X
X
X
BFA3
BFA3
X
X
X
X
X
X
X
X
BFA2
BFA2
X
X
X
X
X
X
X
X
BFA1
BFA1
X
X
X
X
X
X
X
X
BFA0
BFA0
X
X