ST7FOXK2 datasheet(82/226 Pages) STMICROELECTRONICS

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On-chip peripherals

ST7FOXF1, ST7FOXK1, ST7FOXK2

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10.2

Dual 12-bit autoreload timer

10.2.1

Introduction

The 12-bit Autoreload timer can be used for general-purpose timing functions. It is based on

one or two free-running 12-bit upcounters with an Input Capture register and four PWM

output channels. There are 7 external pins:

●

Four PWM outputs

●

ATIC/LTIC pins for the Input Capture function

●

BREAK pins for forcing a break condition on the PWM outputs

10.2.2

Main features

●

Single Timer or Dual Timer mode with two 12-bit upcounters (CNTR1/CNTR2) and two

12-bit autoreload registers (ATR1/ATR2)

●

Maskable overflow interrupts

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PWM mode

–

Generation of four independent PWMx signals

–

Dead time generation for Half bridge driving mode with programmable dead time

–

Frequency 2 kHz - 4 MHz (@ 8 MHz fCPU)

–

Programmable duty-cycles

–

Polarity control

–

Programmable output modes

●

Output Compare mode

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Input Capture mode

–

12-bit Input Capture register (ATICR)

–

Triggered by rising and falling edges

–

Maskable IC interrupt

–

Long range Input Capture

●

Internal/External Break control

●

Flexible Clock control

●

One Pulse mode on PWM2/3

●

Force update

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