Atmel ATSAM3U-EK Data Sheet

6478E–ATARM–30-Mar-11

The SAM3U4E features an External Bus Interface (EBI) that permits interfacing to a broad range of 
external memories and virtually to any parallel peripheral. The SAM3U-EK board is equipped with two 
kinds of memory devices connected to the SAM3U4E EBI:

„

One 512K x16 PSRAM device

„

One NAND Flash MT29F2G16ABD.

PSRAM

Brand and reference may vary. Check the bill of materiel (BOM) corresponding to your 
kit version to get precise information regarding that matter.

 

D0

D1

D2

D3

D4

D5

D6

D7

D8

D9

D10

D11

D12

D13

D14

D15

A1

A2

A3

A4

A5

A6

A7

A8

A9

A10

A11

A12

A13

A14

A15

A16

A17

A18

A19

NBS0

NBS1

NCS0

NRD

NWE

PB9
PB10
PB11
PB12

PB16

PB13

PB15

PB14

PB28

PB25

PB27

PB6

PB29

PB26

PB30
PB31

PC2

PC20

PC1

PC6

PC3

PC0

PC21

PC4

PC8

PC10

PC22

PC5

PC11

PC7

PC9

PC25

PC24

PC23

PB19
PB23

PC15

PB8

PB7
PB19
PB20
PB23

PB7

PB20

+3V3

+3V3

+3V3

DGND

PB[31:0]

PC[31:0]

R11
47K

R11
47K

JP12
JP

JP12
JP

C28
100nF

C28
100nF

C29
1uF

C29
1uF

R10
47K

R10
47K

MN2
PSRAM 512K x16

MN2
PSRAM 512K x16

A0

3

A1

4

A2

5

A3

9

A4

10

A5

15

A6

16

A7

22

A8

44

A9

45

A10

46

A11

47

A12

39

A13

40

A14

33

A15

34

A16

28

A17

21

A18

43

DQ0

12

DQ1

17

DQ2

18

DQ3

23

DQ4

29

DQ5

35

DQ6

36

DQ7

42

DQ8

7

DQ9

13

DQ10

14

DQ11

20

DQ12

26

DQ13

32

DQ14

31

DQ15

37

LB#

1

UB#

8

CE#

11

OE#

2

WE#

41

NC1

27

NC2

38

NC3

48

VCC

24

VCCQ

25

VSS

30

VSSQ

19

ZZ#

6