35:["$","li","li-1",{"className":"ml-8 list-disc mb-4 leading-relaxed","children":[["$","strong","strong-0",{"className":"text-brand-500 font-black","children":"Timer resolution"}],": 16-bit at 16 MHz, prescaler 1: 1 us resolution, max 65.5 ms. For longer periods use prescaler 256."]}] 36:["$","div","pre-0",{"className":"overflow-x-auto w-full my-6 bg-surface p-4 rounded-xl","children":["$","pre",null,{"className":"text-xs sm:text-sm my-0! bg-transparent! p-0!","children":["$","code","code-0",{"className":"language-c","children":"// Servo PWM with hardware timer (Timer1)\n\nvoid servo_attach() {\n pinMode(9, OUTPUT);\n TCCR1A = (1 << WGM11);\n TCCR1B = (1 << WGM13) | (1 << WGM12) | (1 << CS11);\n ICR1 = 39999; // 50 Hz: 16000000/(8*50) - 1\n TCCR1A |= (1 << COM1A1);\n}\n\nvoid servo_write(int angle) {\n int pulse_us = map(angle, 0, 180, 1000, 2000);\n OCR1A = pulse_us * 2; // 0.5 us per tick at prescaler 8\n}\n"}]}]}] 37:["$","p","p-6",{"className":"mb-8 leading-relaxed","children":["[[SIM:TimerConfigSim]]\n",["$","strong","strong-0",{"className":"text-brand-500 font-black","children":"Simulation -- TimerConfigSim"}],"\n| Field | Detail |\n|---|---|\n| Render type | 2D Timer Datasheet + Oscilloscope |\n| ME domain | Timer/Counter Systems |\n| User inputs | Select prescaler, mode, set OCR/ICR values |\n| Primary visual | Timer block diagram with counter waveform |\n| Secondary output | Calculated frequency, period, resolution |"]}] 38:["$","h2","h2-3",{"className":"text-3xl font-black mt-16 mb-6","children":"Worked Examples"}] 39:["$","h3","h3-5",{"className":"text-2xl font-bold mt-12 mb-6 text-foreground/90","children":"Example 1 -- 8-bit Timer PWM at 1 kHz"}] 3a:["$","p","p-7",{"className":"mb-8 leading-relaxed","children":"With prescaler 64: 1000 = 16e6/(64 x (TOP+1)), TOP+1 = 250, TOP = 249\n75% duty: OCR = 249 x 0.75 = 187"}] 3b:["$","h3","h3-6",{"className":"text-2xl font-bold mt-12 mb-6 text-foreground/90","children":"Example 2 -- Encoder Mode (STM32)"}] 3c:["$","div","pre-1",{"className":"overflow-x-auto w-full my-6 bg-surface p-4 rounded-xl","children":["$","pre",null,{"className":"text-xs sm:text-sm my-0! bg-transparent! p-0!","children":["$","code","code-0",{"className":"language-c","children":"TIM2->SMCR = TIM_SMCR_SMS_1 | TIM_SMCR_SMS_0; // Encoder mode 3\nTIM2->CCER = 0;\nTIM2->ARR = 0xFFFF;\nTIM2->CR1 |= TIM_CR1_CEN;\n\nint32_t encoder_read(void) {\n return (int16_t)TIM2->CNT; // Signed for direction\n}\n"}]}]}] 3d:["$","h2","h2-4",{"className":"text-3xl font-black mt-16 mb-6","children":"Practice Problems"}] 3e:["$","p","p-8",{"className":"mb-8 leading-relaxed","children":[["$","strong","strong-0",{"className":"text-brand-500 font-black","children":"P1"}],": 8-bit timer, 8 MHz clock, prescaler 64. Calculate PWM frequency and OCR for 40% duty."]}] 3f:["$","p","p-9",{"className":"mb-8 leading-relaxed","children":[["$","strong","strong-0",{"className":"text-brand-500 font-black","children":"P2"}],": 16-bit timer at 16 MHz, prescaler 8, measures 100 Hz input via input capture. Calculate counter range and resolution."]}] 40:["$","p","p-10",{"className":"mb-8 leading-relaxed","children":[["$","strong","strong-0",{"className":"text-brand-500 font-black","children":"P3"}],": Write code for 38 kHz IR carrier with 50% duty using 16-bit timer. Calculate prescaler and TOP."]}]