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ST6200CM1 датащи(PDF) 25 Page - STMicroelectronics |
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ST6200CM1 датащи(HTML) 25 Page - STMicroelectronics |
25 / 70 page 25/70 ST62T00C/T01C ST62T03C/E01C DIGITAL WATCHDOG (Cont’d) These instructions test the C bit and Reset the MCU (i.e. disable the Watchdog) if the bit is set (i.e. if the Watchdog is active), thus disabling the Watchdog. In all modes, a minimum of 28 instructions are ex- ecuted after activation, before the Watchdog can generate a Reset. Consequently, user software should load the watchdog counter within the first 27 instructions following Watchdog activation (software mode), or within the first 27 instructions executed following a Reset (hardware activation). It should be noted that when the GEN bit is low (in- terrupts disabled), the NMI interrupt is active but cannot cause a wake up from STOP/WAIT modes. Figure 18. A typical circuit making use of the EXERNAL STOP MODE CONTROL feature Figure 19. Digital Watchdog Block Diagram NMI SWITCH I/O VR02002 RSFF 8 DATA BUS VA00010 -2 -12 OSCILLATOR RESET WRITE RESET DB0 R S Q DB 1.7 SET LOAD 7 8 -2 SET CLOCK 25 |
Аналогичный номер детали - ST6200CM1 |
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Аналогичное описание - ST6200CM1 |
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