Chapter 16 timer interface a (tima), 1 introduction, 2 features – Freescale Semiconductor MC68HC908MR32 User Manual

Page 215: Chapter 16, Timer interface a (tima), Introduction, Features, Timb). see

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MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1

Freescale Semiconductor

215

Chapter 16
Timer Interface A (TIMA)

16.1 Introduction

This section describes the timer interface module A (TIMA). The TIMA is a 4-channel timer that provides:

Timing reference with input capture

Output compare

Pulse-width modulator functions

Figure 16-2

is a block diagram of the TIMA.

16.2 Features

Features of the TIMA include:

Four input capture/output compare channels:

Rising-edge, falling-edge, or any-edge input capture trigger

Set, clear, or toggle output compare action

Buffered and unbuffered pulse-width modulator (PWM) signal generation

Programmable TIMA clock input:

7-frequency internal bus clock prescaler selection

External TIMA clock input (4-MHz maximum frequency)

Free-running or modulo up-count operation

Toggle any channel pin on overflow

TIMA counter stop and reset bits

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