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TNETV2840ENGGU Fiches technique(PDF) 46 Page - Texas Instruments |
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TNETV2840ENGGU Fiches technique(HTML) 46 Page - Texas Instruments |
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46 / 91 page ![]() Functional Overview 46 December 1999 − Revised October 2008 SPRS122F 3.2.5.1 Watchdog Timer Registers There are four 16-bit registers associated with the watchdog timer. • WD Timer Counter Register (WDTIM) • WD Timer Period Register (WDPRD) • WD Timer Control Register (WDTCR) • WD Timer Second Control Register (WDTSCR) 3.2.5.2 WDTIM Register This register contains the 16-bit watchdog counter value. It is decremented once every watchdog clock cycle. 3.2.5.3 WDPRD Register This register is used to reload the WD timer counter register (WDTIM). 3.2.5.4 WDTCR Register This register provides the control and status information. WDTCR bit fields are as shown in Figure 3−23 and are described in Table 3−12. 15 14 13 12 11 10 98 7 6 5 43210 Reserved SOFT FREE PSC Reserved TDDR R/W+0 R/W+0 R R/W+1111 LEGEND: R = Read, W = Write, +0 = Value at reset Figure 3−23. Watchdog Timer Control Register (WDTCR) |
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