mc68hc908gr8vp Freescale Semiconductor, Inc, mc68hc908gr8vp Datasheet - Page 229
mc68hc908gr8vp
Manufacturer Part Number
mc68hc908gr8vp
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908GR8VP.pdf
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Chapter 22
Timer Interface Module (TIM)
22.1 Introduction
This section describes the timer interface (TIM) module. The TIM on this part is a 2-channel and
a1-channel timer that provides a timing reference with input capture, output compare, and
pulse-width-modulation functions.
timer interface modules which are denoted as TIM1 and TIM2.
For further information regarding timers on M68HC08 family devices, please consult the HC08 Timer
Reference Manual, TIM08RM/AD.
22.2 Features
Features of the TIM include:
22.3 Pin Name Conventions
The text that follows describes both timers, TIM1 and TIM2. The TIM input/output (I/O) pin names are
T[1,2]CH0 (timer 1 channel 0, timer 2 channel 0) and T[1]CH1 (timer channel 1), where “1” is used to
indicate TIM1 and “2” is used to indicate TIM2. The two TIMs share three I/O pins with three port D I/O
port pins. The full names of the TIM I/O pins are listed in
the text that follows.
Freescale Semiconductor
•
•
•
•
•
•
Three input capture/output compare channels:
–
–
Buffered and unbuffered pulse-width-modulation (PWM) signal generation
Programmable TIM clock input with 7-frequency internal bus clock prescaler selection
Free-running or modulo up-count operation
Toggle any channel pin on overflow
TIM counter stop and reset bits
Rising-edge, falling-edge, or any-edge input capture trigger
Set, clear, or toggle output compare action
Pin Names:
TIM Generic Pin Names:
Full TIM
MC68HC908GR8 • MC68HC908GR4 Data Sheet, Rev. 7
Table 22-1. Pin Name Conventions
Figure 22-1
TIM1
TIM2
is a block diagram of the TIM. This particular MCU has two
PTD4/ATD12/T1CH0
PTD6/ATD14/T2CH0
T[1,2]CH0
Table
22-1. The generic pin names appear in
PTD5/T1CH1
T[1,2]CH1
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