SWRU359F September   2015  – December 2021 WL1801MOD , WL1805MOD , WL1831MOD , WL1835MOD

 

  1.   Trademarks
  2.   Warning
  3. 1Introduction
    1. 1.1 Features
    2. 1.2 Applications
    3. 1.3 TI Module Key Benefits
  4. 2Board Pin Assignment
    1. 2.1 Pin Descriptions
  5. 3Electrical Characteristics
  6. 4Approved Antenna Types and Maximum Gain Values
  7. 5On-Board Antenna Configuration
    1. 5.1 VSWR
    2. 5.2 Efficiency
    3. 5.3 Radio Pattern
    4. 5.4 ANT1
    5. 5.5 ANT2
  8. 6Circuit Design
    1. 6.1 Schematic
    2. 6.2 Bill of Materials (BOM)
  9. 7Layout Guidelines
    1. 7.1 Board Layout
  10. 8Revision History

2.1 Pin Descriptions

No.NameTypeDescription
1SLOW_CLKISlow clock input
2GNDGGround
3GNDGGround
4WL_ENIWLAN Enable
5VBATPPower supply input
6GNDGGround
7VBATPPower supply input
8VIOPPower supply input for I/O pin
9GNDGGround
10N.C.No connection
11WL_RS232_TXOWLAN tool RS232 output
12N.C.No connection
13WL_RS232_RXIWLAN tool RS232 input
14N.C.No connection
15WL_UART_DBGOWLAN Logger output
16N.C.No connection
17N.C.No connection
18GNDGGround
19GNDGGround
20SDIO_CLKIWLAN SDIO clock
21N.C.No connection
22GNDGGround
23N.C.No connection
24SDIO_CMDI/OWLAN SDIO command
25N.C.No connection
26SDIO_D0I/OWLAN SDIO data bit 0
27N.C.No connection
28SDIO_D1I/OWLAN SDIO data bit 1
29N.C.No connection
30SDIO_D2I/OWLAN SDIO data bit 2
31N.C.No connection
32SDIO_D3I/OWLAN SDIO data bit 3
33N.C.No connection
34WLAN_IRQOWLAN SDIO interrupt out
35N.C.No connection
36N.C.No connection
37GNDGGround
38N.C.No connection
39N.C.No connection
40N.C.No connection
41N.C.No connection
42GNDGGround
43N.C.No connection
44N.C.No connection
45N.C.No connection
46N.C.No connection
47GNDGGround
48N.C.No connection
49N.C.No connection
50N.C.No connection
51N.C.No connection
52PCM_IF_CLKI/OBluetooth PCM clock input or output
53N.C.No connection
54PCM_IF_FSYNCI/OBluetooth PCM frame sync input or output
55N.C.No connection
56PCM_IF_DINIBluetooth PCM data input
57N.C.No connection
58PCM_IF_DOUTOBluetooth PCM data output
59N.C.No connection
60GNDGGround
61N.C.No connection
62N.C.No connection
63GNDGGround
64GNDGGround
65N.C.No connection
66BT_UART_IF_TXOBluetooth HCI UART transmit output
67N.C.No connection
68BT_UART_IF_RXIBluetooth HCI UART receive input
69N.C.No connection
70BT_UART_IF_CTSIBluetooth HCI UART Clear to Send input
71N.C.No connection
72BT_UART_IF_RTSOBluetooth HCI UART Request to Send output
73N.C.No connection
74BT_FUNC1OBT_HOST_WAKE_UP Signal to wake up the host from Bluetooth
75N.C.No connection
76BT_UART_DEBUGOBluetooth Logger UART output
77GNDGGround
78GPIO9I/OGeneral-purpose I/O
79N.C.No connection
80N.C.No connection
81N.C.No connection
82N.C.No connection
83GNDGGround
84N.C.No connection
85N.C.No connection
86N.C.No connection
87GNDGGround
88N.C.No connection
89BT_ENIBluetooth Enable
90N.C.No connection
91N.C.No connection
92GNDGGround
93BT_FUNC2IBT_WAKE_UP Bluetooth wakeup from host
94N.C.No connection
95GNDGGround
96GPIO11I/OGeneral-purpose I/O
97GNDGGround
98GPIO12I/OGeneral-purpose I/O
99N.C.General-purpose I/O
100GPIO10I/OGeneral-purpose I/O