NXP Semiconductors UM11227 - SIM Reset Exit

NXP Semiconductors
UM11227
NTM88 family of tire pressure monitor sensors
UM11227 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2020. All rights reserved.
User manual Rev. 6 — 24 April 2020
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10.22.1 SIM reset exit
aaa-031071
Synchronous
Reset?
POR or LVR?
Assert System
Reset signal
Any Reset
Detected?
Reset Control
Idle
yes
yes
yes
yes
yes
yes
yes
nono
no
no
no
POR or LVR
Source asserted?
Second Reset
Time-out Cycle
Done?
Is RESET pin
asserted?
no
Disable
ICS ouput clock
Enable
ICS ouput clock
Negates System
Reset signal
Reset SIMRS register
no
First Reset
Time-out Cycle
Done?
Load SIMRS register
Assert System Reset signal
Negates sim_ipp_obe_reset
Reset Control
Idle
Figure 50. SIM reset exit diagram