User's Manual

TiWi-SL MODULE
DATASHEET
The information in this document is subject to change without notice.
Confirm the data is current by downloading the latest revision from www.lsr.com.
330-0085-R0.4 Copyright © 2011 LS Research, LLC Page 8 of 36
PIN DESCRIPTIONS
Module
Pin
Name I/O
Type
Buffer
Type
Description
1
GND
GND
-
GROUND
2
NC
-
-
NO CONNECT (DO NOT CONNECT)
3
NC
-
-
NO CONNECT (DO NOT CONNECT)
4
NC
-
-
NO CONNECT (DO NOT CONNECT)
5 MODE1 DI -
MODE1 (SHORT TO MODE2 FOR NORMAL USE,
SHORT TO GROUND FOR TEST USE)
6
NC
-
-
NO CONNECT (DO NOT CONNECT)
7
UART_TX
(1)
DO
-
TEST UART TX (1.8V LOGIC)
8 MODE2 DI -
MODE2 (SHORT TO MODE1 FOR NORMAL USE,
LEAVE OPEN FOR TEST USE)
9
UART_RX
(1)
DI
-
TEST UART RX (1.8V LOGIC)
10
NC
-
-
NO CONNECT (DO NOT CONNECT)
11
GND
GND
-
GROUND
12
GND
GND
-
GROUND
13
PWR_EN
DI
-
MODULE POWER ENABLE
14
GND
GND
-
GROUND
15
VCC
PI
-
POWER TO MODULE
16
GND
GND
-
GROUND
17
GND
GND
-
GROUND
18
SPI_DI
DI
8mA
HOST INTERFACE SPI DATA IN
19
SPI_CLK
DI
4mA
HOST INTERFACE SPI CLOCK
20
/SPI_CS
DI
4mA
HOST INTERFACE SPI CHIP SELECT (ACTIVE LOW)
21
SPI_DO
DO
8mA
HOST INTERFACE SPI DATA OUT
22
/SPI_IRQ
DO
4mA
HOST INTERFACE SPI INTERRUPT (ACTIVE LOW)
23
GND
GND
-
GROUND
24
GND
GND
-
GROUND
25
NC
-
-
NO CONNECT (DO NOT CONNECT)
26
NC
-
-
NO CONNECT (DO NOT CONNECT)
27
GND
GND
-
GROUND
28
SDA_EE
(2)
DIO
-
I2C DATA LINE FROM EEPROM (1.8V LOGIC)
29 SDA_CC
(2)
DIO 4mA
I2C DATA LINE FROM CC3000, PULL-UP ON
MODULE (1.8V LOGIC)