Telit Wireless Solutions FN990 Series - Reset; Unconditional Hardware Reset

FN990
Family Hardware Design Guide
1VV0301752 Rev. 3 Page 42 of 92 2022-10-07
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ect to NDA
Warning: If the VPH_PWR is to be kept at a high status, the module
will re-boot. (Not applicable to Shutdown Indicator function)
Warning: Failure to follow recommended shut-down procedures
might damage the device and consequently void the warranty.
6.2.3. Reset
Device reset can be achieved as follows:
 Unconditional reset using the SYS_RESIN_N
6.2.3.1. Unconditional Hardware Reset
To unconditionally restart the FN990 Family module, the SYS_RESIN_N pin must be
asserted low more than 1 second and then released.
Figure 9: Unconditional Hardware Reset by SYS_RESIN_N