MICROCHIP TECHNOLOGY PCB extension board : User manual : Page 13

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www.rovingnetworks.com Version 1.1 9/20/2012 13

RN-131/171-PICTAIL-UM

BOARD SCHEMATICS

Figures 7 and 8 show the schematics for the RN-131-PICTAIL and RN-171-PICTAIL evaluation boards, respectively.

Figure 7. RN-131-PICTAIL Board Schematic

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RB2/SS1/AN2

1

RF2/U1RX_E

2

RF6/SCK1

3

RF3/U1TX_E

4

RF7/SDI 1_E

5

RG2/SCL 1

6

RF8/SDO1_E

7

RG3/SDA1

8

GND

9

GND

10

RB0/AN0

11

RB1/AN1

12

RB3/AN3

13

RB4/AN4

14

GND

15

GND

16

RE9/I NT2

17

RE8/I NT1

18

RD14/U1CTS_E

19

RD15/U1RTS_E

20

3.3V

21

3.3V

22

5V

23

5V

24

9V

25

9V

26

RG0

27

RF0

28

RG1

29

RF1

30

J2 PI CTAI L PLUS 30 Pin

RE2

1

RA5

2

RE3

3

RA4

4

RA7/OSC1

5

RA3

6

RA6/OSC2

7

RC5

8

RC7

9

RC4

10

RC6

11

RC3

12

RB7

13

RA0

14

RB6

15

RA1

16

RB5

17

RA2

18

RB4

19

RC0

20

RB3

21

RC1

22

RB2

23

RC2

24

RB1

25

V_VAR

26

RB0

27

GND

28

J1 PICTAI L 28 Pin

29 GPI O_4

29

30 SENSOR_1

30

31 SENSOR_2

31

32 SENSOR_3

32

33 SENSOR_POWER

33

34 SENSOR_0

34

36

G

ND

36

EPC_A 6

6

EPC_B 7

7

SUPERCAP_BAL ANCE 8

8

FORCE_AWAKE 9

9

UART_RTS(GPI O_13) 10

10

UART_CTS(GPI O_12) 11

11

UART_RX(GPI O_11) 12

12

UART_TX (GPI O_10) 13

13

SENSOR_6 1

1

SENSOR_4 2

2

SENSOR_5 3

3

SENSOR_7 4

4

RESET 5

5

SPI_MOSI 14

14

SPI_SCK 15

15

SPI_MISO 16

16

SREG_OUT 17

17

SREG_IN 18

18

GND 19

19

BATT 20

20

VDD 21

21

IS

P

_

TX

2

22

23 ISP_RX

23

24 GPIO_9

24

25 GPI O_8

25

26 GPI O_7

26

27 GPI O_6

27

28 GPI O_5

28

37 GND

37

38 GND

38

39 GND

39

40 GND

40

41 GND

41

42 GND

42

43 GND

43

44 GND

44

M2

RN131 Module

VDD3V3

V

DD3V3

PIC_CTS PIC_RTS

PIC_RX

PIC_TX

SS

SCK

MI SO

MOSI

PIC_TX

PIC_RX

SCK

MI SO

MOSI

PIC_CTS

PIC_RTS

VDD3V3

PIC_CTS

PIC_RTS

UART_TX

SS

SCK

MI SO

MOSI

ISP_TX

ISP_RX

STATUS_L ED

WAKEUP

RESET

100k

R13

100k

R15

100k

R16

100k

R17

SI RQ

STATUS_L ED

SS

MI SO

MOSI

SI RQ

100k

R14

VDD3V3

WAKEUP

RESET

WAKEUP

PI C_L EDR

SEN2

SEN3

SEN0

SI RQ

PI C_L EDY

PIC_TX

i Power Net

i

Power Net

220R

R18

Green LED

D4

STATUS

_L E D

220R

R19

Red LED

D5

PIC _L E DR

220R

R20

PIC _L E DY

Yellow LED

D6

SEN0

100k

R22

220k

R21

PIC_TX

3k3

R12

1

2

3

4

S2

UART_TXPIC_RX

PIC_TX

ISP_TX

ISP_RX

SEN2

SEN3

SS

10uF

C3

10uF

C4

VDD3V3

Vin

1

GND

2

Vout

3

Tab

4

TC1262- 3.3VU2Vin

i Power Net

Vin

ISP_ T X

ISP_ R X

1 2

3 4

5 6

7 8

J3

ISP Connector

UART_TX

PIC_TX

RESETWAKEUP

VDD3V3