Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet

 8

SAM4S-WPIR-RD [USER GUIDE]

42060A–ATARM–12/2012

Power Supply

The SAM4S features an External Bus Interface (EBI) that permits interfacing to a broad range of external memo-
ries and virtually to any parallel peripheral. The SAM4S-WPIR-RD board is equipped with a memory device 
connected to the SAM4 EBI:



One SRAM IS62WV10248DBLL

Memory

JP8

RV2
V5.5MLA0603

D4

NSR0320MW2T1G

U4

JY- 3AAA

VCC

1

GND

2

FGND

DGND

FGND

DGND

DGND

DGND

VIN_ SYSTEM

JP9

U6

TPS7823 0DDCR

IN

1

GND1

2

EN

3

GND2

4

OUT

5

C58

100n F

U5

TPS7823 0DDCR

IN

1

GND1

2

EN

3

GND2

4

OUT

5

+3V

VIN_ SYSTEM

DGND

DGND

DGND

+3V_L CD

+3V_PERIPH

+3V_MCU

VIN_ SYSTEM

DGND

JP10

JP7

C70

100n F

C57
1uF

C59
1uF

R41 100K

C60
1uF

C29
1uF

R43 100K

PC17

VBU

S

PB1

1

PB1

0

VBAT

L6 220o hm at 10 0MHz

1

2

C6

16V

33 uF

5V

D-

D+

ID

G

J1

USB Micr o B

1

2

3

4

7

5

6

8
9

C3
10pF

RV1

V5.5MLA0603

R2

68K

R4

27R

C51

100n F

R1

47K

R3

27R

D3

NSR0320MW2T1G

PC18

PC8

PC11

PC4

PC3

PC1

PC25

PC20

PC31

PC21

PC27

PC23

PA18

PC19

PC22

PC26

PC30

PC24

PA19

PC29

PA20
PA0
PA1

PC28

PC14

PC9

PC5

PC2

PC0

PC16

PC7

PC6

PC8_WE

PC8

C

2

8

33pF

R22
47K

R20
DNP

R21
470K

C27
1uF

R25
DNP

MN3

IS62WV10248DBLL

A0

5

A1

4

A2

3

A3

2

A4

1

A5

44

A6

43

A7

42

A8

39

A9

28

A10

27

A11

26

A12

25

A13

24

A14

23

A15

22

A16

21

A17

20

A18

19

A19

18

CS1#

6

CS2

40

OE#

41

WE#

17

D0

9

D1

10

D2

13

D3

14

D4

31

D5

32

D6

35

D7

36

NC1

7

NC2

8

NC3

15

NC4

16

NC5

29

NC6

30

NC7

37

NC8

38

VDD1

11

VDD2

33

GND1

12

GND2

34

Q2

IRLML6401

1

3

2

R46 0R

C26
100nF

DGND

DGND

+3V_SRAM

+3V_PERIPH

+3V_SRAM

DGND

NWE

NRD

NCS0

PC8