User Guide

LM960 HW Design Guide
1VV0301485 Rev. 15 Page 60 of 88 2020-08-13
Below functions are not dedicated to specific GPIO.
One of the dedicated GPIOs (GPIO_03 to GPIO_08) can be configured by means of AT
commands for one of the following functions:
 Boot OK
 Shutdown Indicator
 Shutdown Trigger
 Dying Gasp Trigger
Not Dedicated I/O
Pin
no.
Signal IO/Level Dedicated Function
44 GPIO_03 I/O, 1.8V Can be used as specific functions.
46 GPIO_04 I/O, 1.8V Can be used as specific functions.
45 GPIO_05 I/O, 1.8V Can be used as specific functions.
47 GPIO_06 I/O, 1.8V Can be used as specific functions.
49 GPIO_07 I/O, 1.8V Can be used as specific functions.
51 GPIO_08 I/O, 1.8V Can be used as specific functions.
6.6.5. I2C – Inter-integrated circuit
The LM960 supports an I2C interface on the following pins:
Below table lists the I2C signals of LM960.
Module I2C Signal
PIN Signal I/O Function Type Comment
30
I2C_SCL
O
I2C Clock
CMOS 1.8V
32 I2C_SDA I/O I2C Data CMOS 1.8V
The I2C interface is used for controlling peripherals outside the module (such as codec,
etc.).