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MC908MR32CFUE Datasheet, PDF (215/282 Pages) Freescale Semiconductor, Inc – Microcontrollers | |||
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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:
â Rising-edge, falling-edge, or any-edge input capture trigger
â Set, clear, or toggle output compare action
⢠Buffered and unbuffered pulse-width modulator (PWM) signal generation
⢠Programmable TIMA clock input:
â 7-frequency internal bus clock prescaler selection
â 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
MC68HC908MR32 ⢠MC68HC908MR16 Data Sheet, Rev. 6.1
Freescale Semiconductor
215
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