at49bv642dt ATMEL Corporation, at49bv642dt Datasheet - Page 10

• Manufacturer Part Number: at49bv642dt
• Description: 64-megabit 4m X 16 3-volt Only Flash Memory
• Manufacturer: ATMEL Corporation

4. Status Bit Table
Notes:
10
Configuration Register
Programming
Erasing
Erase Suspended & Read
Erasing Sector
Erase Suspended & Read
Non-erasing Sector
Erase Suspended & Program
Non-erasing Sector
Erase Suspended & Program
Suspended and Reading from
Non-suspended Sectors
Program Suspended & Read
Programming Sector
Program Suspended & Read
Non-programming Sector
1. I/O5 switches to a “1” when a program or an erase operation has exceeded the maximum time limits or when a program or
2. I/O3 switches to a “1” when the V
AT49BV642D(T)
sector erase operation is performed on a protected sector.
DATA
DATA
DATA
I/O7
I/O7
I/O7
I/O7
00
0
1
PP
level is not high enough to successfully perform program and erase operations.
DATA
DATA
DATA
I/O7
01
0
0
1
0
1
TOGGLE
TOGGLE
TOGGLE
00/01
DATA
DATA
DATA
I/O6
1
1
Status Bit
I/O5
00/01
DATA
DATA
DATA
0
0
0
0
0
(1)
I/O3
00/01
DATA
DATA
DATA
0
0
0
0
0
(2)
3631A–FLASH–04/06
TOGGLE
TOGGLE
TOGGLE
TOGGLE
00/01
DATA
DATA
DATA
I/O2
1