Data Sheet

LS9X – Data Sheet
Libre Wireless Technologies Data Sheet: Ver:1.0 Page 16 of 23
Libre Confidential
6.3. Pin Descriptions
6.3.1. Connector
Connector J5
Connector J6
Pin
No.
Signal Name
Functionality
Pin
No.
Signal Name
Functionality
1
GND
GROUND
19
PWR_3.3V
3V3 POWER
SUPPLY I/P
2
BG2CDp_URT0_
TXD
Host MCU
communication
/Debugging
20
PWR_3.3V
3V3 POWER
SUPPLY I/P
3
UART0_RXD
Host MCU
communication
/Debugging
21
GND
GND
4
RESET
POWER ON RESET
INPUT
22
GND
GND
5
I2S_TXD
I2S_TXD/SPDIF_OU
T/I2S_RXD2
23
USB_VBUS
USB VBUS PORT1
6
I2S_RXD
I2S Input channel
24
GND
GND
7
I2S_LRCLK
AUDIO O/P LR
CLOCK
25
USB_DM
USB DP
8
I2S_BCLK
AUDIO O/P BIT
CLOCK
26
USB_DP
USB_DP
9
I2S_MCLK
AUDIO O/P MASTER
CLOCK
27
GND
GND
10
GND
GND
28
TW1_SDA_IO1
3
GPIO13
11
I2C0_SCL
I2C0_SCL/GPIO6
29
TW1_SCL_IO12
GPIO12
12
I2C0_SDA
I2C0_SDA/GPIO7
30
GND
GND