AT52BC3221AT Ver la hoja de datos (PDF) - Atmel Corporation

Número de pieza

componentes Descripción

Fabricante

AT52BC3221AT

32-Mbit Flash + 8-Mbit PSRAM Stack Memory

Atmel Corporation 

Pin Configuration

CBGA (Top View)

Pin Name

A0 - A18, A19 - A20

CE

OE

WE

RESET

RDY/BUSY

VPP

VCC

GND

I/O0 - I/O15

NC

PLB

PUB

PVCC

PGND

PCS1

ZZ

PWE

POE

Function

Common Address Input for 8M PSRAM/Flash, Flash Address Input

Flash Chip Enable

Flash Output Enable

Flash Write Enable

Flash Reset

Flash READY/BUSY Output

Flash Power Supply for Accelerated Program/Erase Operations

Flash Power

Flash Ground

Data Inputs/Outputs

No Connect

PSRAM Lower Byte

PSRAM Upper Byte

PSRAM Power

PSRAM Ground

PSRAM Chip Select 1

Low Power Modes

PSRAM Write Enable

PSRAM Output Enable

1 2 3 4 5 6 7 8 9 10 11 12

A

NC NC A20 A11 A15 A14 A13 A12 GND NC NC NC

B

A16 A8 A10 A9 I/O15 PWE I/O14 I/O7

C

WE RDY/BUSY

I/O13 I/O6 I/O4 I/O5

D

PGND RESET

I/O12 ZZ PVCC VCC

E

NC VPP A19 I/O11

I/O10 I/O2 I/O3

F

PLB PUB POE

I/O9 I/O8 I/O0 I/O1

G

A18 A17 A7 A6 A3 A2 A1 PCS1

H

NC NC NC A5 A4 A0 CE GND OE NC NC NC

2 AT52BC3221A(T)

3466A–STKD–11/04

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