Data Sheet

INTERFACES
I2C
GM02S DATASHEET (PRELIMINARY) PROPRIETARY 13
SEQUANS Communications
2.5.2 SIM1 Interface
This interface can be used as a second SIM interface for GM02S, typically used
for soldered SIM chips (since it lacks SIM detect and SIM VCC). If design only
has one SIM, it is preferred then to use the main SIM interface (see Section
SIM0 Interface above).
2.6 I2C
Table 2-7: SIM1 Signals
Pad #
Pad
Name
Primary
Function
Alternate
Function
1
1. Alternate functions will be available in future versions via SW upgrade.
Power Group
Direction
Pad Type
2
2.Pad types’s electrical characteristics are detailed in Table 2-15.
State
@reset
40 GPIO26/SIM1_CLK GPIO26 SIM1_CLK PVDD_1V8 Out BIDIR Out-0,
2mA
41 GPIO27/SIM1_RESETN GPIO27 SIM1_RESETN PVDD_1V8 Out BIDIR Out-0,
2mA
39 GPIO25/SIM1_IO GPIO25 SIM1_IO PVDD_1V8 In/Out BIDIR HighZ,
2mA
Table 2-8: I2C Pad Details
Pad #
Pad
Name
Primary
Function
Alternate
Function
1
Power Group
Direction
Pad type
2
State
@reset
95 GPIO23/
I2C_SDA
GPIO23 I2C_SDA PVDD_1V8 In/Out BIDIR HiZ
97 GPIO24/
I2C_SCL
GPIO24 I2C_SCL PVDD_1V8 In/Out BIDIR HiZ
1. Alternate functions will be available in future versions via SW upgrade.
2.I2C pad types’s electrical characteristics are detailed in Table 2-15.