User's Manual

www.ti.com Board Pin Assignment
Table 1. Pin Description (continued)
No. Name Type Description
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 RESERVED1 O Reserved
75 N.C. No connection
76 BT_UART_DEBUG O Bluetooth Logger UART output
77 GND G Ground
78 GPIO9 I/O General-purpose I/O
79 N.C. No connection
80 N.C. No connection
81 N.C. No connection
82 N.C. No connection
83 GND G Ground
84 N.C. No connection
85 N.C. No connection
86 N.C. No connection
87 GND G Ground
88 N.C. No connection
89 BT_EN I Bluetooth enable
90 N.C. No connection
91 N.C. No connection
92 GND G Ground
93 RESERVED2 I Reserved
94 N.C. No connection
95 GND G Ground
96 GPIO11 I/O General-purpose I/O
97 GND G Ground
98 GPIO12 I/O General-purpose I/O
99 TCXO_CLK_COM Option to supply 26 MHz externally
100 GPIO10 I/O General-purpose I/O
2.2 Jumper Connections
The WL1837MODCOM8I EVB includes the following jumper connections:
• J1: Jumper connector for V
IO
power input
• J3: Jumper connector for V
BAT
power input
• J5: RF connector for 2.4- and 5-GHz WLAN and Bluetooth
• J6: Second RF connector for 2.4-GHz WLAN
3 Electrical Characteristics
For electrical characteristics, see the WL18xxMOD WiLink™ Single-Band Combo Module – Wi-Fi®,
Bluetooth®, and Bluetooth Low Energy (BLE) Data Sheet (SWRS170).
7
SWRU382–November 2014 WL1837MODCOM8I WLAN MIMO and Bluetooth
®
Module Evaluation Board
for TI Sitara™ Platform
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