EKTF6708 datasheet(112/158 Pages) EMC

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eKTF6708

8-Bit Microcontroller

102



IC Product Specification (V1.2) 03.12.2020

(This specification is subject to change without prior notice)

n-3

n-1 n

Internal clock

Up-counter

n-2

TCx pin

TCx interrupt

match

counter clear

TCxDA

Figure 6-13b Window Mode Waveform

6.9.3 Capture Mode

8-bit up counter

TCxDB

TCxDA

TC1CR

TCxM2~0

TCx pin

TCxCK

TC1S

TCx

interrupt

TCxM2~0=010

Capture

CAP

Inhibit

Rising

Falling

Overflow

Edge

detector

MUX

Capture

control

fc/2

Data Bus

Figure 6-14a Capture Mode Block Diagram

In Capture mode, the pulse width, period and duty of the TCx input pin are measured and

can be used to decode the remote control signal. The counter is free running by the

internal clock. On a rising (falling) edge of TCx pin, the contents of the counter are loaded

into TCxDA, then the counter is cleared and interrupt is generated. On a falling (rising)

edge of TC1 pin, the contents of the counter are loaded into TCxDB. At this time, the

counter is still counting. Once the next rising edge of TCx pin is triggered, the contents of

the counter are loaded into TCxDA, the counter is cleared and interrupt is generated once

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