SAMA5D3 datasheet(6/22 Pages) ATMEL

Numer części	SAMA5D3

Szczegółowy opis	The Atmel SAMA5D3 series is a high-performance, power-efficient embedded MPU based on the ARM짰 Cortex??A5 processor, achieving 536 MHz with power consumption levels below 0.5 mW in low-power mode.

PDF	22 Pages

Scroll/Zoom	100%

Producent	ATMEL [ATMEL Corporation]

Strona internetowa	http://www.atmel.com

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6 / 22 page

SAMA5D3 Series [SUMMARY DATASHEET]

11121AS–ATARM–31-Jan-13

External Bus Interface - EBI

D0 - D15

Data Bus

I/O

A0 - A25

Address Bus

Output

NWAIT

External Wait Signal

Input

Low

Static Memory Controller - HSMC

NCS0 - NCS3

Chip Select Lines

Output

Low

NWR0 - NWR1

Write Signal

Output

Low

NRD

Read Signal

Output

Low

NWE

Write Enable

Output

Low

NBS0 - NBS1

Byte Mask Signal

Output

Low

NANDOE

NAND Flash Output Enable

Output

Low

NANDWE

NAND Flash Write Enable

Output

Low

DDR2/LPDDR Controller

DDR_VREF

Reference Voltage

Input

DDR_CALP

Positive Calibration Reference

Input

DDR_CALN

Negative Calibration Reference

Input

DDR_CK,

DDR_CKN

DDR2 differential clock

Output

DDR_CKE

DDR2 Clock Enable

Output

High

DDR_CS

DDR2 Controller Chip Select

Output

Low

DDR_BA[2..0]

Bank Select

Output

Low

DDR_WE

DDR2 Write Enable

Output

Low

DDR_RAS,

DDR_CAS

Row and Column Signal

Output

Low

DDR_A[13..0]

DDR2 Address Bus

Output

DDR_D[31..0]

DDR2 Data Bus

I/O/-PD

DQS[3..0]

Differential Data Strobe

I/O- PD

DQSN[3..0]

DQSN must be connected to DDR_VREF for

DDR2 memories

I/O- PD

DQM[3..0]

Write Data Mask

Output

High Speed Multimedia Card Interface - HSMCI0-2

MCI0_CK,

MCI1_CK, MCI2_CK

Multimedia Card Clock

I/O

MCI0_CDA,MCI1_C

DA, MCI2_CDA

Multimedia Card Command

I/O

MCI0_DA[7..0]

Multimedia Card 0 Data

I/O

MCI1_DA[3..0]

Multimedia Card 1 Data

I/O

MCI2_DA[3..0)

Multimedia Card 2 Data

I/O

Table 3-1.

Signal Description List (Continued)

Signal Name

Function

Type

Active

Level

Frequency

(MHz)

Comments

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