WL1801MOD datasheet(9/46 Pages) TI1

Part #	WL1801MOD

Description	WL18xxMOD WiLink 8 Single-Band Combo Module Wi-Fi, Bluetooth, and Bluetooth Low Energy (LE)

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Manufacturer	TI1 [Texas Instruments]

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WL1801MOD, WL1805MOD, WL1831MOD, WL1835MOD

www.ti.com

SWRS152L – JULY 2013 – REVISED DECEMBER 2015

Table 4-1. Pin Description (continued)

PIN NAME

TYPE/

SHUTDOWN

AFTER

VOLTAGE

CONNECTIVITY(2)

DESCRIPTION

DIR

STATE

POWER

LEVEL

1801

1805

1831

1835

UP(1)

WL_IRQ_1V8

14

O

PD

0

1.8 V

v

WLAN SDIO out-of-

band interrupt line.

Set to rising edge

(active high) by

default. (To extract

the debug option

WL_RS232_TX/RX

interface out, pull up

the IRQ line at power

up before applying

enable.)

RF_ANT2

18

ANA

–

x

v

x

v

2.4-GHz ANT2 TX,

RX; 2.4-GHz

secondary antenna

MRC/MIMO only.

GPIO2

26

I/O

PD

1.8 V

v

WL_RS232_RX

(when WLAN_IRQ =

1 at power up)

GPIO1

27

I/O

PD

1.8 V

v

WL_RS232_TX

(when WLAN_IRQ =

1 at power up)

RF_ANT1

32

ANA

–

v

2.4-GHz WLAN main

antenna SISO,

Bluetooth

WL_UART_DBG

42

O

PU

1.8 V

v

Option: WLAN logger

Bluetooth Functional Block: Int Signals

BT_UART_DBG

43

O

PU

1.8 V

x

v

Option: Bluetooth

logger

BT_HCI_RTS_1V8

50

O

PU

1.8 V

x

v

UART RTS to host.

NC if not used.

BT_HCI_CTS_1V8

51

I

PU

1.8 V

x

v

UART CTS from

host. NC if not used.

BT_HCI_TX_1V8

52

O

PU

1.8 V

x

v

UART TX to host. NC

if not used.

BT_HCI_RX_1V8

53

I

PU

1.8 V

x

v

UART RX from host.

NC if not used.

BT_AUD_IN

56

I

PD

1.8 V

x

v

Bluetooth PCM/I2S

bus. Data in. NC if

not used.

BT_AUD_OUT

57

O

PD

1.8 V

x

v

Bluetooth PCM/I2S

bus. Data out. NC if

not used.

BT_AUD_FSYNC

58

I/O

PD

1.8 V

x

v

Bluetooth PCM/I2S

bus. Frame sync. NC

if not used.

BT_AUD_CLK

60

I/O

PD

1.8 V

x

v

Bluetooth PCM/I2S

bus. NC if not used.

Terminal Configuration and Functions

9

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Product Folder Links: WL1801MOD WL1805MOD WL1831MOD WL1835MOD

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