User's Guide

LE910Cx HW User Guide
Doc#: 1VV0301298
Rev. 13.0 Page 26 of 124 2019-07-15
PAD
Signal
I/O
Function
Type
Comment
A5
SIMIO1
I/O
External SIM 1 signal - Data
I/O
1.8/2.85V
Internally PU
10 kΩ to
SIMVCC1
A4
SIMIN1
I
External SIM 1 signal -
Presence
1.8V
Active low
A3
SIMVCC1
-
External SIM 1 signal – Power
supply for SIM 1
1.8/2.85V
SIM Card Interface 2
C1
SIMCLK2
O
External SIM 2 signal – Clock
1.8/2.85V
D1
SIMRST2
O
External SIM 2 signal – Reset
1.8/2.85V
C2
SIMIO2
I/O
External SIM 2 signal – Data
I/O
1.8/2.85V
Internally PU
10kΩ to
SIMVCC2
G4
SIMIN2
I
External SIM 2 signal –
Presence
1.8V
Active low
D2
SIMVCC2
-
External SIM 2 signal – Power
supply for SIM 2
1.8/2.85V
Digital Voice Interface (DVI)
B9
DVI_WAO
O
Digital Voice interface (WAO
master output)
1.8V
B6
DVI_RX
I
Digital Voice interface (Rx)
1.8V
B7
DVI_TX
O
Digital Voice interface (Tx)
1.8V
B8
DVI_CLK
O
Digital Voice interface (CLK
master output)
1.8V
B12
REF_CLK
O
Reference clock for external
Codec
1.8V
See Note
below
General Purpose Digital I/O
C8
GPIO_01
I/O
GPIO_01 / STAT_LED
1.8V
Alternate Fn
I2C
C9
GPIO_02
I/O
GPIO_02
1.8V
Alternate Fn
I2C
C10
GPIO_03
I/O
GPIO_03
1.8V
Alternate Fn
I2C
C11
GPIO_04
I/O
GPIO_04
1.8V
Alternate Fn
I2C