AT52BC6402A-70CI データシートの表示（PDF） - Atmel Corporation

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AT52BC6402A-70CI

64-Mbit Flash, 16-Mbit PSRAM (x16 I/O)

Atmel Corporation 

66C4 – CBGA

Top View

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 PSWE I/O14 I/O7

C

WE

A21

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

D

PSGND RESET

I/O12 PSCS PSVCC VCC

E

WP VPP A19 I/O11

I/O10 I/O2 I/O3

F

LB UB PSOE

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

G

A18 A17 A7 A6 A3 A2 A1 PSCE1

H

NC NC NC A5 A4 A0 CE1 GND OE NC NC NC

Pin Configurations

Pin Name

A0 - A21

I/O0 - I/O15

CE1

PSCE1

PSCS

OE/PSOE

WE/PSWE

LB

UB

RESET

WP

VPP

VCC/PSVCC

NC

GND/PSGND

Function

Address

Data Inputs/Outputs

Flash Chip Enable

PSRAM Chip Enable

PSRAM Chip Select (Deep Power-down Control – Mode Pin)

Flash Output Enable/PSRAM Output Enable

Flash Write Enable/PSRAM Write Enable

Lower Byte Control (PSRAM)

Upper Byte Control (PSRAM)

Flash Reset

Flash Write Protect

Flash Write Protection and Power Supply for Accelerated

Program/Erase Operation

Flash Power Supply/PSRAM Power Supply

No Connect

Device Ground/PSRAM Ground

2 AT52BC6402A(T)

3441B–STKD–11/04

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