3.5 Hardware selectable options
21
J106 - cconnects SIM_PWR_KEY of the SIM7000E to EXT_P0_0 of the I/O expander
J404 - test connector of the battery voltage
J401 - connects USB +5V to the input of the LDO, it is bypassed by a 0R resistor by default
J403 - connects power to the input of the low power 3.3V converter, the source of the power is
USB +5V or battery if the +5V is not present.
J400 - test connector of the VCC_SIM (by default it is a 3.3V output of the LDO)
3.5
Hardware selectable options
Figure 3.10: Hardware options of the Dev Kit.
Components marked on the Figure 3.10 are:
0R jumper connects P3_2 of SoM module to the User Button