Datasheet

Timer Interface Module (TIM)
Technical Data MC68HC908GR8 — Rev 4.0
336 Timer Interface Module (TIM) MOTOROLA
22.3 Features
Features of the TIM include:
• Three 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-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
• I/O port bit(s) software configurable with pullup device(s) if
configured as input port bit(s)
22.4 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 Table 22-1. The generic pin names appear in the text that
follows.
Table 22-1. Pin Name Conventions
TIM Generic Pin Names: T[1,2]CH0 T[1,2]CH1
Full TIM
Pin Names:
TIM1 PTD4/ATD12/TBLCK PTD5/T1CH1
TIM2 PTD6/ATD14/TACLK --
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cale Semiconductor,
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