AT52BC3221A View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

AT52BC3221A

32-Mbit Flash + 8-Mbit PSRAM Stack Memory

Atmel Corporation 

AT52BC3221A(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

0

0

1

0

Erasing

0

0

TOGGLE

0

0

TOGGLE

0

Erase Suspended & Read

Erasing Sector

1

1

1

0

0

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

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 VPP level is not high enough to successfully perform program and erase operations.

11

3466A–STKD–11/04

Share Link: