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L830-EB-11 Hardware User Manual
Page 30 of 39
Pin Pin Name
I/O
Reset Value Pin Description
Type
40
GNSS_SCL
O
PU
I2C serial data, internal 4.7KΩ pull up.
CMOS 1.8V
42
GNSS_SDA
I/O
PU
I2C serial clock, internal 4.7KΩ pull up.
CMOS 1.8V
The module is connected to the external I2C slave devices (e.g. Audio Codec), which is as follows:
Figure 3-20 I2C Signal Connection
Note:
The I2C interface pins can be left floating if not used.
3.10 Clock Interface
The L830 module supports a clock interface, it can output 26MHz clock.
Pin
Pin Name
I/O
Reset Value
Pin Description
Type
46
SYSCLK
O
26MHz clock output, can be used for
external GPS or Audio Codec.
1.8V
3.11 Configuration Interface
The L830 module provides four config pins for the configuration as the WWAN-SSIC-0 type M.2 module:
Pin
Pin Name
I/O
Reset Value
Pin Description
Type
1
CONFIG_3
O L
Internally connected to GND
21
CONFIG_0
O
NC
69
CONFIG_1
O L
Internally connected to GND
75
CONFIG_2
O L
Internally connected to GND
The M.2 module configuration as the following table:
Config_0
(pin21)
Config_1
(pin69)
Config_2
(pin75)
Config_3
(pin1)
Module Type and Main
Host Interface
Port
Configuration
NC
GND
GND
GND
WWAN-SSIC
0
Please refer to “PCI_Express_M.2_Specification_Rev1.1” for more details.
