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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32G431C6 датащи(PDF) 32 Page - STMicroelectronics |
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STM32G431C6 датащи(HTML) 32 Page - STMicroelectronics |
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32 / 198 page  Functional overview STM32G431x6 STM32G431x8 STM32G431xB 32/198 DS12589 Rev 6 3.21 Comparators (COMP) The STM32G431x6/x8/xB devices embed four rail-to-rail comparators with programmable reference voltage (internal or external), hysteresis. The reference voltage can be one of the following: • External I/O • DAC output channels • Internal reference voltage or submultiple (1/4, 1/2, 3/4). All comparators can wake up from Stop mode, generate interrupts and breaks for the timers. 3.22 Operational amplifier (OPAMP) The STM32G431x6/x8/xB devices embed three operational amplifiers with external or internal follower routing and PGA capability. The operational amplifier features: • 13 MHz bandwidth • Rail-to-rail input/output • PGA with a non-inverting gain ranging of 2, 4, 8, 16, 32 or 64 or inverting gain ranging of -1, -3, -7, -15, -31 or -63 3.23 Random number generator (RNG) All devices embed an RNG that delivers 32-bit random numbers generated by an integrated analog circuit. 3.24 Timers and watchdogs The STM32G431x6/x8/xB devices include two advanced motor control timers, up to six general-purpose timers, two basic timers, one low-power timer, two watchdog timers and a SysTick timer. The table below compares the features of the advanced motor control, general purpose and basic timers. Table 7. Timer feature comparison Timer type Timer Counter resolution Counter type Prescaler factor DMA request generation Capture/ compare channels Complementary outputs Advanced motor control TIM1, TIM8 16-bit Up, down, Up/down Any integer between 1 and 65536 Yes 4 4 General- purpose TIM2 32-bit Up, down, Up/down Any integer between 1 and 65536 Yes 4 No General- purpose TIM3, TIM4 16-bit Up, down, Up/down Any integer between 1 and 65536 Yes 4 No |
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