NXP Semiconductors FS4500 - MCU Analog Input

NXP Semiconductors FS4500/FS6500 evaluation boards
KTFRDMFS4500-FS6500EVMUG
FS4500/FS6500 evaluation boards All information provided in this document is subject to legal disclaimers. © NXP B.V. 2017. All rights reserved.
User guide Rev. 4.0 — 12 June 2017
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Figure 12. FCRBM Resistor Bridge
5.2.4 MCU analog input
To assure the complete isolation of analog signals connected from an external
component to the MCU, remove input resistance as applicable for the following:
• V
PRE
tied to MCU through R83
• V
CORE
tied to MCU through R98
• V
AUX
tied to MCU through R90
• V
CCA
tied to MCU through R94
• CAN_5V tied to MCU through R80
• MUX_OUT tied to MCU through R18
• V
KAM
tied to MCU through R96