Infineon CCU6 PWM Capture 1 Manual page 12

Ccu6 pwm signal capture, aurix tc2xx microcontroller training

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Implementation

Period calculation example

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Part 1: 64534 increments before the first overflow: 65534 - 1000 = 64534

(Maximum value of T12 - counter value at rising edge = total increments)

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Part 2: 262136 increments between the first and last overflow:

4 * 65534 = 262136 (4 overflows * maximum value of T12 = total increments)

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Part 3: 63955 increments after the last overflow: 63955 (counter value at rising edge)

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Total increments between two rising edges: 64534 + 262136 + 63955 = 390625

(between 0 and 65534)

Period of PWM signal 0.5 s

Interrupt on previous rising edge

2020-01-17

T12 counter value: 1000

T12 count

PWM signal (2 Hz)

Part 1

Part 2

5 overflows of timer T12 during one

PWM period

Interrupt on current rising edge

T12 counter value: 63955

Part 3

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