JAJSSJ5 December 2023 DRV8234
PRODUCTION DATA
The DRV8234 allows the nFAULT pin to be configured for various settings of RC_CNT using the RC_REP register. Table 7-19 lists the settings for the RC_REP register (refer to Section 7.6 for details). Timing diagrams corresponding to RC_REP settings are shown in Figure 7-13 and Figure 7-14.
RC_REP | nFAULT | RC_CNT |
---|---|---|
00b | Ripple counting has no effect on nFAULT | If RC_CNT reaches the maximum value of 216 - 1, it is held at that value until a CLR_CNT command is issued. |
01b | Ripple counting has no effect on nFAULT | If RC_CNT reaches the maximum value of 216 - 1, RC_CNT is cleared and restarted from 0. |
10b | nFAULT is pulled low if RC_CNT exceeds threshold | If RC_CNT reaches the maximum value of 216 - 1, it is held at that value until a CLR_CNT command is issued. |
11b | nFAULT is pulled low for 50 μs if RC_CNT reaches the maximum value of 216 - 1 | If RC_CNT reaches the maximum value of 216 - 1, RC_CNT is cleared and restarted from 0. |