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ST72361AR4-Auto 데이터시트(PDF) 248 Page - STMicroelectronics |
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ST72361AR4-Auto 데이터시트(HTML) 248 Page - STMicroelectronics |
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248 / 279 page ![]() Electrical characteristics ST72361xx-Auto 248/279 Doc ID 12468 Rev 3 19.11 Timer peripheral characteristics Subject to general operating conditions for VDD, fOSC, and TA unless otherwise specified. Refer to I/O port characteristics for more details on the input/output alternate function characteristics (output compare, input capture, external clock, PWM output...). Table 109. 8-bit PWM-ART auto reload timer characteristics Symbol Parameter Conditions Min Typ Max Unit tres(PWM) PWM resolution time 1tCPU fCPU = 8 MHz 125 ns fEXT ART external clock frequency 0fCPU/2 MHz fPWM PWM repetition rate ResPWM PWM resolution 8 bit VOS PWM/DAC output step voltage VDD =5V, Res = 8- bits 20 mV tCOUNTER Timer clock period when internal clock is selected fCPU =8 MHz 1 128 tCPU 0.125 16 µs Table 110. 8-bit timer characteristics Symbol Parameter Conditions Min Typ Max Unit tw(ICAP)in Input capture pulse time 1 tCPU tres(PWM) PWM resolution time 2 fCPU = 8 MHz 250 ns fPWM PWM repetition rate 0 fCPU/4 MHz ResPWM PWM resolution 8 bit tCOUNTER Timer clock period fCPU =8 MHz 2 8000 tCPU 0.250 1000 µs Table 111. 16-bit timer characteristics Symbol Parameter Conditions Min Typ Max Unit tw(ICAP)in Input capture pulse time 1 tCPU tres(PWM) PWM resolution time 2 fCPU = 8 MHz 250 ns fEXT Timer external clock frequency 0fCPU/4 MHz fPWM PWM repetition rate ResPWM PWM resolution 16 bit |
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