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EDGE CONNECTOR - MALE

WL_BG ANT2

WL_BG/BT ANT1

Short PIN Header (1-2)
for entering test mode.
Open for function mode.

These two TPs for test mode
when WL_IRQ pull high.

WL_UART_DBG

BT_AUD_CLK

BT_AUD_FSYNC

BT_AUD_IN

WL_RS232_TX

WL_RS232_RX

BT_HCI_TX

BT_HCI_RX

BT_HCI_CTS

BT_HCI_RTS

BT_EN_SOC

BT_UART_DBG

SDIO_CLK_WL

SDIO_CMD_WL

SDIO_D0_WL

SDIO_D2_WL

SDIO_D3_WL

SDIO_D1_WL

WLAN_EN_SOC

BT_AUD_OUT

BT_FUNC1

GPIO9

GPIO11

GPIO12

GPIO10

SLOW_CLK

BT_FUNC2

WLAN_IRQ

2G4_ANT1_WB

2G4_ANT2_W

SDIO_D3_WL

GPIO12

SDIO_D2_WL

GPIO11

SDIO_D0_WL

SDIO_D1_WL

GPIO9

WLAN_IRQ

GPIO10

2G4_ANT2_W

WL_RS232_TX

WL_RS232_RX

2G4_ANT1_WB

BT_FUNC1

BT_FUNC2

BT_HCI_RX

BT_HCI_TX

BT_HCI_CTS

BT_HCI_RTS

BT_AUD_IN

BT_AUD_OUT

BT_AUD_CLK

BT_AUD_FSYNC

SDIO_CMD_WL

SDIO_CLK_WL

SLOW_CLK

WL_UART_DBG

BT_UART_DBG

BT_EN_SOC

WLAN_EN_SOC

VBAT_IN

VIO_IN

VIO_IN

VBAT_IN

VIO_IN

VIO_IN

R20

10k

0402

R25

0R

0402

C5
10pF

0402

J6
U.FL-R-SMT(10)

U.FL

1

2

3

C14
4pF

0402

ANT2
ANT016008LCD2442MA1

ANT-N3-1.6X0.8MM-B

5G

B

2

FEED

A

2.4G

B

1

R17

0R

0402

C6
10pF

0402

J2
NU_100pin Micro Edge MEC6

SD-100P

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

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

TP4

1

C7

NU_10pF

0402

C9
2pF

0402

R12

0R

0402

C11

1.2pF

0402

R11

0R

0402

ANT1
ANT016008LCD2442MA1

ANT-N3-1.6X0.8MM-A

5G

B

2

FEED

A

2.4G

B

1

C1
1uF

0402

R30

0R

0402

R9

0R

0402

J5
U.FL-R-SMT(10)

U.FL

1

2

3

C10
NU_0.3pF

0402

R10

0R

0402

TP1

1

TP5

1

R2

0R

0402

0R

R21

0402

TP6

1

0R

R19

0402

OSC1
1V8 / 32.768kHz

OSC-3.2X2.5

EN

1

VCC

4

OUT

3

GND

2

R6
0R

0402

R3

0R

0402

R16

0R

0402

U1
WL1835MODGB

E-13.4X13.3-N100_0.75-TOP

G

P

IO

9

3

G

P

IO

1

2

5

G

P

IO

1

1

2

G

P

IO

1

0

4

GND

17

V

IO

3

8

V

B

A

T

4

7

E

X

T

_32K

36

BT_AUD_FSYNC

58

BT_AUD_IN

56

BT_AUD_OUT

57

BT_AUD_CLK

60

W

L

_

S

D

IO

_

D

2

1

2

W

L

_

S

D

IO

_

C

L

K

8

W

L

_

S

D

IO

_

D

3

1

3

W

L

_

S

D

IO

_

D

0

1

0

W

L

_

S

D

IO

_

D

1

1

1

W

L

_

S

D

IO

_

C

M

D

6

BT_HCI_RTS

50

BT_HCI_RX

53

BT_HCI_TX

52

BT_HCI_CTS

51

GN

D

1

6

GPIO_4

25

GPIO_2

26

GPIO_1

27

B

T

_

E

N

_

S

O

C

4

1

W

L

A

N

_

IR

Q

1

4

W

L

A

N

_

E

N

_

S

O

C

4

0

B

T

_

U

A

R

T

_

D

B

G

4

3

W

L

_

U

A

R

T

_

D

B

G

4

2

GND

G13

GND

G14

GND

G15

GND

G16

GND

G9

GND

G10

GN

D

4

8

GND

G11

GND

G12

V

B

A

T

4

6

GND

28

GND

G1

GND

G2

GND

G3

GND

G4

GND

G5

GND

G6

GND

G7

GND

G8

2G4_ANT1_WB

32

GND

64

GN

D

1

GND

20

RESERVED1

21

RESERVED2

22

GN

D

3

7

GND

19

RESERVED3

62

GND

G17

GND

G18

GND

G19

GND

G20

GND

G21

GND

G22

GND

G23

GND

G24

GND

G25

GND

G26

GND

G27

GND

G28

GND

G29

GND

G30

GND

G31

GND

G32

GND

G33

GND

G34

GND

G35

GND

23

GND

59

GN

D

3

4

GND

29

GN

D

7

2G4_ANT2_W

18

GND

49

GN

D

9

GND

31

GN

D

3

5

GN

D

1

5

GND

55

GN

D

4

5

GN

D

4

4

GND

30

GND

24

GND

63

GND

61

GN

D

3

9

GN

D

3

3

GND

54

GND

G36

C2
10uF

0603

R31
0R

0402

J1
HEADER 1x2

H-1X2_2MM

1

2

R1

0R

0402

R29

0R

0402

R8

0R

0402

L1

0402

1.1nH

TP3

1

R28

0R

0402

0R

R24

0402

R7

0R

0402

TP8

1

R14

0R

0402

C8

NU_10pF

0402

C4
0.1uF

0402

R27

0R

0402

R13

0R

0402

R15

0R

0402

C3
0.1uF

0402

0R

R22

0402

R18

0R

0402

R4

0R

0402

R23

0R

0402

R32
0R

0402

C13
8pF

0402

R5

NU_0R

0402

C12
NU

0402

J3
HEADER 1x2

H-1X2_2MM

1

2

J4
HEADER 1x2

H-1X2_2MM

1

2

0R

R26

0402

L2
1.5nH

0402

TP2

1

www.ti.com

Circuit Design

15

SWRU359E – September 2013 – Revised September 2015

Submit Documentation Feedback

Copyright © 2013–2015, Texas Instruments Incorporated

WL1835MODCOM8B WLAN MIMO and Bluetooth

®

Module EVM

7

Circuit Design

7.1

Schematic

Figure 13. Schematic

Содержание WL1835MODCOM8B

Страница 1: ...enefits 5 3 Board Pin Assignment 6 3 1 Pin Descriptions 7 4 Electrical Characteristics 9 5 Approved Antenna Types and Maximum Gain Values 9 6 On Board Antenna Configuration 10 6 1 VSWR 10 6 2 Efficiency 11 6 3 Radio Pattern 11 6 4 ANT1 12 6 5 ANT2 13 7 Circuit Design 15 7 1 Schematic 15 7 2 Bill of Materials BOM 16 8 Layout Guidelines 17 8 1 Board Layout 17 List of Figures 1 WL1835MODCOM8B Top Vie...

Страница 2: ... Radio Module of the EVM For evaluation only not FCC approved for resale This kit is designed to allow 1 Product developers to evaluate electronic components circuitry or software associated with the kit to determine whether to incorporate such items in a finished product 2 Software developers to write software applications for use with the end product This kit is not a finished product and when a...

Страница 3: ...uments Incorporated WL1835MODCOM8B WLAN MIMO and Bluetooth Module EVM 2 Introduction The WL1835MODCOM8B device is a Wi Fi MIMO Bluetooth and Bluetooth Low Energy BLE module board with the TI WL18MODGB module WL18MODGB is built in TI WL1835 IEEE 802 11 b g n and Bluetooth 4 0 solutions to provide the best Wi Fi and Bluetooth coexistence interoperability and power saving technologies from TI Figure ...

Страница 4: ...pyright 2013 2015 Texas Instruments Incorporated WL1835MODCOM8B WLAN MIMO and Bluetooth Module EVM continued 2 1 Features WLAN Bluetooth BLE on a module board 100 pin board card Dimension 76 0 mm L x 31 0 mm W WLAN 2 4 GHz SISO 20 and 40 MHz channels 2 4 GHz MIMO 20 MHz channels Support for BLE dual mode Seamless integration with TI Sitara and other application processors Design for TI AM335X gene...

Страница 5: ...tering Video Conferencing Video Camera and Security 2 3 TI Module Key Benefits Reduces Design Overhead Single WiLink8 Module Scales Across Wi Fi and Bluetooth WLAN High Throughput 80 Mbps TCP 100 Mbps UDP Bluetooth 4 0 BLE Smart Ready Wi Fi Bluetooth Single Antenna Coexistence Low Power 30 50 Less than Previous Generation Available as Easy to Use FCC ETSI and Telec Certified Module Lower Manufactu...

Страница 6: ...WRU359E September 2013 Revised September 2015 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated WL1835MODCOM8B WLAN MIMO and Bluetooth Module EVM 3 Board Pin Assignment Figure 2 Board Top View Figure 3 Board Bottom View ...

Страница 7: ...C No connection 15 WL_UART_DBG O WLAN Logger output 16 N C No connection 17 N C No connection 18 GND G Ground 19 GND G Ground 20 SDIO_CLK I WLAN SDIO clock 21 N C No connection 22 GND G Ground 23 N C No connection 24 SDIO_CMD I O WLAN SDIO command 25 N C No connection 26 SDIO_D0 I O WLAN SDIO data bit 0 27 N C No connection 28 SDIO_D1 I O WLAN SDIO data bit 1 29 N C No connection 30 SDIO_D2 I O WL...

Страница 8: ...ion 66 BT_UART_IF_TX O Bluetooth HCI UART transmit output 67 N C No connection 68 BT_UART_IF_RX I Bluetooth HCI UART receive input 69 N C No connection 70 BT_UART_IF_CTS I Bluetooth HCI UART Clear to Send input 71 N C No connection 72 BT_UART_IF_RTS O Bluetooth HCI UART Request to Send output 73 N C No connection 74 BT_FUNC1 O BT_HOST_WAKE_UP Signal to wake up the host from Bluetooth 75 N C No con...

Страница 9: ...na Operate the radio transmitter using only an antenna of a type and maximum or lesser gain approved by TI Table 1 lists the antennas approved by TI for use with the radio transmitter along with maximum allowable gain values Antenna types not included in the list or having a gain greater than the maximum indicated are strictly prohibited for use with this transmitter Table 1 Approved Antenna Types...

Страница 10: ...ember 2013 Revised September 2015 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated WL1835MODCOM8B WLAN MIMO and Bluetooth Module EVM 6 On Board Antenna Configuration 6 1 VSWR Figure 4 shows the antenna VSWR Figure 4 Antenna VSWR ...

Страница 11: ...umentation Feedback Copyright 2013 2015 Texas Instruments Incorporated WL1835MODCOM8B WLAN MIMO and Bluetooth Module EVM 6 2 Efficiency Figure 5 shows the antenna efficiency Figure 5 Antenna Efficiency 6 3 Radio Pattern Figure 6 shows the radio pattern of the WL1835MODCOM8B device Figure 6 Radio Pattern ...

Страница 12: ...d September 2015 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated WL1835MODCOM8B WLAN MIMO and Bluetooth Module EVM 6 4 ANT1 Figure 7 shows the ANT1 polarization of the WL1835MODCOM8B device Figure 7 ANT1 Polarization Figure 8 ANT1 Polarization ...

Страница 13: ... September 2015 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated WL1835MODCOM8B WLAN MIMO and Bluetooth Module EVM Figure 9 ANT1 Polarization 6 5 ANT2 Figure 10 shows the ANT2 polarization of the WL1835MODCOM8B device Figure 10 ANT2 Polarization ...

Страница 14: ...com 14 SWRU359E September 2013 Revised September 2015 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated WL1835MODCOM8B WLAN MIMO and Bluetooth Module EVM Figure 11 ANT2 Polarization Figure 12 ANT2 Polarization ...

Страница 15: ... 1 R2 0R 0402 0R R21 0402 TP6 1 0R R19 0402 OSC1 1V8 32 768kHz OSC 3 2X2 5 EN 1 VCC 4 OUT 3 GND 2 R6 0R 0402 R3 0R 0402 R16 0R 0402 U1 WL1835MODGB E 13 4X13 3 N100_0 75 TOP GPIO9 3 GPIO12 5 GPIO11 2 GPIO10 4 GND 17 VIO 38 VBAT 47 EXT_32K 36 BT_AUD_FSYNC 58 BT_AUD_IN 56 BT_AUD_OUT 57 BT_AUD_CLK 60 WL_SDIO_D2 12 WL_SDIO_CLK 8 WL_SDIO_D3 13 WL_SDIO_D0 10 WL_SDIO_D1 11 WL_SDIO_CMD 6 BT_HCI_RTS 50 BT_H...

Страница 16: ...ni RF Header Receptacle U FL R SMT 1 10 J5 J6 7 IND 0402 1 1 nH 0 05 nH SMD LQP15MN1N1W02 L1 8 IND 0402 1 5 nH 0 05 nH SMD LQP15MN1N5W02 L2 9 CAP 0402 1 2 pF 50 V C0G 0 1 pF GJM1555C1H1R2BB01 C11 10 CAP 0402 2 2 pF 50 V C0G 0 1 pF GJM1555C1H2R2BB01 C9 11 CAP 0402 4 pF 50 V C0G 0 1 pF GJM1555C1H4R0BB01 C14 12 CAP 0402 8 pF 50 V C0G 0 1 pF GJM1555C1H8R0BB01 C13 13 CAP 0402 10 pF 50 V NPO 5 0402N100J...

Страница 17: ...ht 2013 2015 Texas Instruments Incorporated WL1835MODCOM8B WLAN MIMO and Bluetooth Module EVM 8 Layout Guidelines 8 1 Board Layout Figure 14 shows the WL1835MODCOM8B 4 layer board Table 3 Figure 15 Figure 16 Figure 17 Figure 18 and Figure 19 show instances of good layout practices Figure 14 Layer 1 Figure 15 Layer 2 ...

Страница 18: ...nd vias must be close to the pad 2 Signal traces must not be run underneath the module on the layer where the module is mounted 3 Have a complete ground pour in layer 2 for thermal dissipation 4 Have a solid ground plane and ground vias under the module for stable system and thermal dissipation 5 Increase the ground pour in the first layer and have all of the traces from the first layer on the inn...

Страница 19: ...as Instruments Incorporated WL1835MODCOM8B WLAN MIMO and Bluetooth Module EVM Figure 18 Module Layout Guidelines Top Layer Figure 19 Module Layout Guidelines Bottom Layer Figure 20 shows the trace design for the PCB A 50 Ω impedance match on the trace to the antenna should be used Also 50 Ω traces are recommended for the PCB layout ...

Страница 20: ... be as short as possible beyond the ground reference At this point the trace starts to radiate 2 The RF trace bends must be gradual with an approximate maximum bend of 45 degrees with trace mitered RF traces must not have sharp corners 3 RF traces must have via stitching on the ground plane beside the RF trace on both sides 4 RF traces must have constant impedance microstrip transmission line 5 Fo...

Страница 21: ...r 2015 Submit Documentation Feedback Copyright 2013 2015 Texas Instruments Incorporated WL1835MODCOM8B WLAN MIMO and Bluetooth Module EVM Figure 22 Top Layer Antenna and RF Trace Routing Layout Guidelines Figure 23 Bottom Layer Antenna and RF Trace Routing Layout Guidelines ...

Страница 22: ...ed inductance and trace resistance If possible shield VBAT traces with ground above below and beside the traces The digital signal routing guidelines are as follows Route SDIO signal traces CLK CMD D0 D1 D2 and D3 in parallel to each other and as short as possible less than 12 cm In addition each trace must be the same length Ensure enough space between traces greater than 1 5 times the trace widt...

Страница 23: ...n History Revision History NOTE Page numbers for previous revisions may differ from page numbers in the current version Changes from C Revision March 2015 to E Revision Page Changed from 40 2 Added Approved Antenna Types and Maximum Gain Values section from SWRU382A 9 Changed section title from Antenna Characteristics 10 Replaced digital signal routing guidelines 22 ...

Страница 24: ... TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD PARTY IS GRANTED HEREIN including but not limited to any patent right copyright mask work right or other intellectual property right relating to any combination machine or process in which TI product...

Страница 25: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments WL1835MODCOM8B ...

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