User's Guide

LE940B6 HW User Guide
Rev. 2.02
Page 26 of 111 2020-01-10
Pad
Signal
I/O
Function
Type
Comment
A4
EAR1_MT-
A
O
Earphone signal output,
phase -
B3
MIC1_MT+
AI
Microphone input, phase +
A2
MIC1_MT-
AI
Microphone input, phase -
G6
MIC_BIAS
A
O
Microphone Bias
Power
Digital Voice Interface (DVI)
C8
DVI_RX
I
Digital Voice interface (Rx)
1.8V
C10
DVI_CLK
O
Digital Voice interface (CLK
master output)
1.8V
D9
DVI_TX
O
Digital Voice interface (Tx)
1.8V
D11
DVI_WA0
O
Digital Voice interface (WA0
master output)
1.8V
SPI – Serial Peripheral Interface
K19
SPI_MOSI
O
SPI data Master output
Slave input
1.8V
M19
SPI_MISO
I
SPI data Master input Slave
output
1.8V
N18
SPI_CS
O
SPI Chip select output
1.8V
P19
SPI_CLK
O
SPI Clock output
1.8V
I2C Interface
C14
I2C_SCL
I/O
I2C Clock
1.8V
D13
I2C_SDA
I/O
I2C Data
1.8V
Digital I/O
F9
GPIO_01
I/O
GPIO_01
1.8V
E10
GPIO_02
I/O
GPIO_02
1.8V
F11
GPIO_03
I/O
GPIO_03
1.8V
Provided to Dekra under NDA
Distribution is Prohibited except for
Dekra employees with a Need to know