User manual

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Evaluation Kit Hardware

SAM4S-EK2 User Guide 4-15

11176A–ATARM–24-Sep-12

Figure 4-23. ZigBEE Interface

4.3.18 PIO Expansion

The SAM4S-EK2 product features three PIO controllers, PIOA, PIOB and PIOC, which are multiplexed

with the I/O lines of the embedded peripherals. Each PIO Controller controls up to 32 lines (16 for PIOB).

Expansion ports J12, J13 and J14 provide PIO lines access for customer defined usage.

Figure 4-24. PIO Expansion

Note: All PIO lines are available on these expansion connectors, except those that are used for

the QTouch elements.

R118 0R

J1 6

HE 10 5x2

1 2

3 4

5 6

7 8

9 10

R119 0R

MISO

SPIO_N PCS2#

IRQ1_Z BEE

MOSI

IRQ0_Z BEE

SLP_TR

SPCK

PA13

C9 5

18pF

C9 6

2.2nF

C9 7

2.2uF

PA16

ZB_RST N

PA14PA12

PB2

JP 27

Header2

R1 20 0R

DG ND

+3V3

PA17

PA18

ZI GB EE

R1 21 0R

PA15

+5V

PA18

+3V3

JP 23

JP 24

PA19

+5V +5V

+3V3

PIO A

+3V3

PA20

DG ND

JP 22

+3V3 +3V3 +3V3 +3V3

PC0

PC1

PC2

PC4

PC3

PC5

PC6

J1 3

1 2

3 4

5 6

7 8

9 10

11 12

13 14

15 16

17 18

19 20

21 22

23 24

25 26

27 28

29 30

31 32

33 34

35 36

37 38

39 40

PC8

PC7

PC9

PC12

PC11

PC10

PC15

PC14

PC13

PC17

PC19

PC20

PC16

PC21

PB6

PC18

PB7

PB3

PB1

PB0

PB4

PB2

PB5

PB11

PB9

PB14

PB13

PB8

PB12

PB10

PA13

PA14

PA11

PA9

PA6

PA7

PA15

PA10

PA12

PA8

PA23

PA27

PA22

PA25

PA30

PA29

PA24

PA28

PA21

PA31

PA26

J1 2

1 2

3 4

5 6

7 8

9 10

11 12

13 14

15 16

17 18

19 20

21 22

23 24

25 26

27 28

29 30

31 32

33 34

35 36

37 38

39 40

PC[0..31]

PA[0..31]

PB[0..14]

DG NDDG ND

DG ND

PIO C

PA16

PIO B

J1 4

1 2

3 4

5 6

7 8

9 10

11 12

13 14

15 16

17 18

19 20

21 22

23 24

PA17