background image

GPIO !

31

GPIO !

32

GPIO !

33

GPIO !

34

Timer_ Cap/ GPIO !

35

Timer_ Cap/ GPIO !

36

PWM/ GPIO !

37

PWM/ GPIO !

38

PWM/ GPIO !

39

PWM/ GPIO !

40

GPIO !

11

SPI_ CS/ GPIO !

12

SPI_ CS/ GPIO !

13

SPI_ MISO

14

SPI_ MOSI

15

RST

16

GPIO

17

GPIO !

18

PWM/ GPIO !

19

GND

20

J2/J4

C3 +/NC

1

C3-/ NC

2

RIN1

3

RIN2

4

DOUT1

5

DOUT2

6

NC

7

NC

8

DIN2

9

DIN1

10

ROUT2

11

ROUT1

12

INVALID

13

FORCEOFF

14

FORCEON

15

C1-

16

GND

17

VL

18

VCC

19

V+

20

C1+

21

C2+

22

C2-

23

V-

24

PAD

25

U1

TRS3122 ERGER

GND

1

2

3

4

5

6

7

8

9

J10

GND

GND

CTS2

FORCEON

RX2

RTS2

INV

3v3

GP5

GP8

GP11

GND

VCC

VCC

GP3

GP4

GND

GP18

10.0 k

R1

10.0k

R4

10.0k

R3

10.0 k

R2

FORCEOFF

5

4

1
2
3

6
7
8
9
10

J6

GP12

GP13

GP19

GP5

GP8

GP3

GP4

5

4

1
2
3

6
7
8
9
10

J8

1

2

3

4

5

6

J9

INV

GP14

GP11

GP18

GP12

GP13

GP19

GP5

GP8

GP3

GP4

GP11

GP18

GP12

GP13

GP19

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15
17
19

16
18
20

J7

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15
17
19

16
18
20

J5

FORCEON

FORCEOFF

GP19

GP18

0.1

µ

F

C1

0.1

µ

F

C2

0.1

µ

F

C3

0 .1

µ

F

C4

0.1

µ

F

C5

0 .1

µ

F

C6

RX2

TX2

CTS2

RTS2

TX2

+3.3V

1

Analog_In

2

LP_ UART_ RX

3

LP_ UART_ TX

4

GPIO !

5

Analog In

6

SPI_ CLK

7

GPIO !

8

I2C_SCL

9

I2C_SDA

10

+5V

21

GND

22

Analog_ In

23

Analog_ In

24

Analog_ In

25

Analog_ In

26

Analog_ In/I2S _WS

27

Analog_In/I2S_ SCLK

28

Analog_ Out/I2S_ SDout

29

Analog_ Out/I2S_ SDin

30

J1 /J3

4

1

2

3

J11

TX1

CTS1

RX1

RTS1

0 R5

CTS1

TX1

RTS1

RX1

GP14

GP14

GP14

3v3

Green

1

2

D1

Green

1

2

D2

Green

1

2

D4

Red

2

1

D7

Red

2

1

D9

5.23k

R7

5.23k

R8

5 .23k

R 10

GND

RX1

CTS1

GND

GND

TX1

RTS1

GND

GND

1.96k

R6

Red

2

1

D5

Red

2

1

D3

Green

1

2

D6

Green

1

2

D8

5.23k

R9

3v3

1v8

VCC

1
2
3

J12

TSW- 103- 07-G-S

VIN

1

GND

2

ON/OFF

3

BYPASS

4

VOUT

5

U2

LP2985- 18DBVR

GND

1

µ

F

C7

0.01

µ

F

C9

2.2

µ

F

C8

3v3

1v8

Copyright © 2016, 

Texas Instruments Incorporated       

Additional Information

www.ti.com

14

SLLU250 – November 2016

Submit Documentation Feedback

Copyright © 2016, Texas Instruments Incorporated

BOOSTXL-RS232 BoosterPack™ Hardware

6

Additional Information

6.1

Design Files

All design files including schematics, layout, bill of materials (BOM), Gerber files, and documentation are
available in the

Texas Instruments Resource Explorer

:

dev.ti.com/tirex

The schematic is shown in

Section 6.3

the top layer and bottom layer PCB layouts are illustrated in

Figure 13

and

Figure 14

.

6.2

Hardware Change Log

Table 5

details descriptions of hardware changes.

Table 5. Description of Hardware Changes

PCB Revision

Description of Changes

Rev 1.0

Initial Release

6.3

Schematic

Figure 12

illustrates the BOOSTXL-RS232 schematic.

Figure 12. BOOSTXL-RS232 Schematic (Zoom for Higher Resolution)

Содержание BoosterPack BOOSTXL-RS232

Страница 1: ...BOOSTXL RS232 BoosterPack Hardware User s Guide Literature Number SLLU250 November 2016 ...

Страница 2: ...ption 5 3 1 Top and Bottom View 5 3 2 Board Overview 5 3 3 Block Diagram 6 3 4 DB9 Connector 7 3 5 Header Descriptions 8 3 6 LED Description 10 4 Functional Modes 11 4 1 Auto Powerdown Plus 11 4 2 Forced On 11 4 3 Forced Off 11 4 4 Invalid 12 5 Interfacing with External Hardware 13 6 Additional Information 14 6 1 Design Files 14 6 2 Hardware Change Log 14 6 3 Schematic 14 6 4 PCB Layout 15 ...

Страница 3: ...L RS232 Overview 5 5 BOOSTXL RS232 Block Diagram 6 6 DB9 Pinout 7 7 GPIO Headers 8 8 Header J9 9 9 Supply Select 9 10 RS232 LEDs 10 11 Interfacing With LaunchPad 13 12 BOOSTXL RS232 Schematic Zoom for Higher Resolution 14 13 Top Layer Routing 15 14 Bottom Layer Routing 15 List of Tables 1 RS 232 Female DB9 Connector Pin Summary 7 2 Driver Functions 11 3 Receiver Functions 11 4 INVALID Status 12 5 ...

Страница 4: ... control RTS CTS channels that can be easily assigned to 1 of 10 general purpose input output GPIO pins These channels on the TRS3122E can be configured to be either one set of data channels and one set of control channels for flow control or to be two sets of data channels However this BoosterPack is configured for one set of data channels RX TX and one set of control channels RTS CTS With its un...

Страница 5: ...edback Copyright 2016 Texas Instruments Incorporated BOOSTXL RS232 BoosterPack Hardware 3 Hardware Description 3 1 Top and Bottom View Figure 2 is a top view of the BOOSTXL RS232 and Figure 3 is a bottom view of the BOOSTXL RS232 Figure 2 Top View of BOOSTXL RS232 Figure 3 Bottom View of BOOSTXL RS232 3 2 Board Overview Figure 4 shows an overview of the BOOSTXL RS232 BoosterPack The main features ...

Страница 6: ...k diagram of the BOOSTXL RS232 BoosterPack The 40 pin BoosterPack header allows the BoosterPack to be easily interfaced with LaunchPads A 3 pin header is available to change VCC VL between 3 3 V and 1 8 V This allows the BoosterPack to communicate with LaunchPads either at 3 3 V or 1 8 V logic levels See Section 3 5 4 for more details The two 30 pin GPIO headers allow for the selection of GPIO pin...

Страница 7: ...sterPack to the connected device through the RS232 interface while TX1 is an input from the connected device to the BoosterPack through the RS232 interface The same applies to the RTS1 input and CTS1 output ports The RX2 TX2 CTS2 and RTS2 ports are used to interface with the microcontroller through 0 V to 3 3 V or 1 8 V TTL signals See Table 1 for information on how the DB9 connector is routed on ...

Страница 8: ... the middle column are connected to their coinciding transceiver pins which are labeled at the bottom of each column this is seen in Figure 7 For example looking at header J5 J6 in Figure 7 the right column coincides with RX2 Placing a jumper across the first pins of the middle column and the right column would short GP3 from the LaunchPad to the DIN1 pin on the TRS3122E NOTE See Section 5 for inf...

Страница 9: ...or to drop the typical 3 3 V VCC on most LaunchPads to 1 8 V This allows for communication with LaunchPads that are capable of communicating at 1 8 V logic levels To switch between a 1 8 V and 3 3 V supply use a jumper on J12 to short the center VCC pin to the desired supply voltage see Figure 9 A short between pin 1 and 2 results in 3 3 V VCC and a short between 2 and 3 results in 1 8 V VCC Pin 1...

Страница 10: ...ation is also denoted next to each LED a sign for the green LED and a sign for the red LED Upon powering the BoosterPack the power LED will turn on and the driver and receiver line LEDs may also be on depending on what the board is connected to Since RS232 TX and RX lines sit at a LOW voltage level until data is transmitted or received the red LED for TX1 and RX1 on the board will be on until data...

Страница 11: ...power states of the transceiver When the jumpers short FORCEON to GP19 and FORCEOFF to GP18 the power down states of the transceiver can be controlled through GPIO see Table 2 and Table 3 4 2 Forced On If the FORCEON and FORCEOFF pins are both set HIGH the device will power on with Auto Powerdown Plus disabled Both the drivers and receivers will be active regardless of inactivity as shown in Table...

Страница 12: ...ble connected to the port A HIGH voltage level on the pin means there is a connection and a LOW voltage level on the pin means there is not a connection see Table 4 1 H high level L low level X irrelevant Z high impedance off Open input disconnected or connected driver off Table 4 INVALID Status 1 Inputs Output RIN1 RIN2 FORCEON FORCEOFF Time Elapsed Since Last RIN or DIN Transition INVALID Any L ...

Страница 13: ...nnected directly to LaunchPad pins J9 is highlighted because the right column is routed directly to header pins that are connected to LaunchPad pins The highlighted headers are color matched to the description boxes on the exterior of the image of the board If the description boxes are labeled it means that they are specifically routed on the BoosterPack For example the first red box on the left i...

Страница 14: ...og_In I2S_WS 27 Analog_In I2S_ SCLK 28 Analog_Out I2S_ SDout 29 Analog_Out I2S_ SDin 30 J1 J3 4 1 2 3 J11 TX1 CTS1 RX1 RTS1 0 R5 CTS1 TX1 RTS1 RX1 GP14 GP14 GP14 3v3 Green 1 2 D1 Green 1 2 D2 Green 1 2 D4 Red 2 1 D7 Red 2 1 D9 5 23k R7 5 23k R8 5 23k R10 GND RX1 CTS1 GND GND TX1 RTS1 GND GND 1 96k R6 Red 2 1 D5 Red 2 1 D3 Green 1 2 D6 Green 1 2 D8 5 23k R9 3v3 1v8 VCC 1 2 3 J12 TSW 103 07 G S VIN ...

Страница 15: ...eedback Copyright 2016 Texas Instruments Incorporated BOOSTXL RS232 BoosterPack Hardware 6 4 PCB Layout Figure 13 shows the top layer routing of the BOOSTXL RS232 Figure 14 shows the bottom layer routing of the BOOSTXL RS232 Figure 13 Top Layer Routing Figure 14 Bottom Layer Routing ...

Страница 16: ... are returned during the warranty period to the address designated by TI and that are determined by TI not to conform to such warranty If TI elects to repair or replace such EVM TI shall have a reasonable time to repair such EVM or provide replacements Repaired EVMs shall be warranted for the remainder of the original warranty period Replaced EVMs shall be warranted for a new full ninety 90 day wa...

Страница 17: ... by Industry Canada to operate with the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain greater than the maximum gain indicated for that type are strictly prohibited for use with this device Concernant les EVMs avec antennes détachables Conformément à la rég...

Страница 18: ...connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even with the inputs and outputs kept within the specified allowable ranges some circuit components may have elevated case temperatures These components include but are not limited to linear regulators switching transistors pass transistors cur...

Страница 19: ...F REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF USE LOSS OF DATA OR BUSINESS INTERRUPTION NO CLAIM SUIT OR ACTION SHALL BE BROUGHT AGAINST TI MORE THAN ONE YEAR AFTER THE RELATED CAUSE OF ACTION HAS OCCURRED 8 2 Specific Limitations IN NO EVENT SHALL T...

Страница 20: ...esponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related information or support that may be provided by TI Buyer represents and agrees that it has all the necessary expertise to create and implement safeguards which anticipate dangerous consequences of failur...

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