11

AT49BV162/163A(T)

3349G–FLASH–7/04

Notes:

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

sector erase operation is performed on a protected sector.

2. I/O3 switches to a “1” when the V

status bit is not available for the AT49BV163A(T).

Status Bit Table

Status Bit

I/O7

I/O7

I/O6

I/O5(1)

I/O3(2)

I/O2

RDY/BUSY

Configuration Register

00

01

00/01

00/01

00/01

00/01

00/01

Programming

I/O7

0

TOGGLE

0010

Erasing

0

0

TOGGLE

0

0

TOGGLE

0

Erase Suspended & Read

Erasing Sector

111

00

TOGGLE

1

Erase Suspended & Read

Non-erasing Sector

DATA

DATA

DATA

DATA

DATA

DATA

1

Erase Suspended &

Program Non-erasing Sector

I/O7

0

TOGGLE

0

0

TOGGLE

0

Erase Suspended &

Program Suspended and

Reading from Non-

suspended Sectors

DATA

DATA

DATA

DATA

DATA

DATA

1

Program Suspended & Read

Programming Sector

I/O7

1

1

0

0

TOGGLE

1

Program Suspended & Read

Non-programming Sector

DATA

DATA

DATA

DATA

DATA

DATA

1