Datasheet

N2HET1
N2HET2
IOMMmuxcontrolsignalx
N2HET1[1]/N2HET2[8]
N2HET1[1]
N2HET2[8]
N2HET1[3]/N2HET2[10]
N2HET1[5]/N2HET2[12]
N2HET1[7]/N2HET2[14]
N2HET1[9]/N2HET2[16]
N2HET1
N2HET2
IOMMmuxcontrolsignalx
N2HET1[11]/N2HET2[18]
N2HET1[11]
N2HET2[18]
180
RM57L843
SPNS215C –FEBRUARY 2014–REVISED JUNE 2016 www.ti.com
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Peripheral Information and Electrical Specifications Copyright © 2014–2016, Texas Instruments Incorporated
7.6.5 N2HET Checking
7.6.5.1 Internal Monitoring
To assure correctness of the high-end timer operation and output signals, the two N2HET modules can be
used to monitor each other’s signals as shown in Figure 7-16. The direction of the monitoring is controlled
by the I/O multiplexing control module.
Figure 7-16. N2HET Monitoring
7.6.5.2 Output Monitoring using Dual Clock Comparator (DCC)
N2HET1[31] is connected as a clock source for counter 1 in DCC1. This allows the application to measure
the frequency of the pulse-width modulated (PWM) signal on N2HET1[31].
Similarly, N2HET2[0] is connected as a clock source for counter 1 in DCC2. This allows the application to
measure the frequency of the pulse-width modulated (PWM) signal on N2HET2[0].
Both N2HET1[31] and N2HET2[0] can be configured to be internal-only channels. That is, the connection
to the DCC module is made directly from the output of the N2HETx module (from the input of the output
buffer).