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nERROR_IN
nERROR
nERROR1
nERROR2
Control of Special Multiplexed Options
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SPNU563A–March 2018
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I/O Multiplexing and Control Module (IOMM)
6.5.11.1 nERROR and nERROR1 Input Multiplexing
There are two ESM modules in this microcontroller. When the microcontroller is in lockstep mode, only
ESM1 is active.
By default, the ESM1 Error Pin Status Register (ESMEPSR) samples the nERROR pin input. The default
is achieved with PINMMR174[16] = 1. By setting PINMMR174[16] = 0, the ESM1 Error Pin Status register
will sample from the nERROR1 pin instead as illustrated in Figure 6-8.
Figure 6-8. nERROR and nERROR1 Input Multiplexing
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