MC908AP32CFBE Freescale, MC908AP32CFBE Datasheet - Page 135

• Manufacturer Part Number: MC908AP32CFBE
• Manufacturer: Freescale

Specifications of MC908AP32CFBE

• Cpu Family: HC08
• Device Core Size: 8b
• Frequency (max): 8MHz
• Interface Type: SCI/SPI
• Total Internal Ram Size: 2KB
• # I/os (max): 32
• Number Of Timers - General Purpose: 4
• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• On-chip Adc: 8-chx10-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 44
• Package Type: PQFP
• Program Memory Type: Flash
• Program Memory Size: 32KB
• Lead Free Status / RoHS Status: Compliant

Chapter 9
Timer Interface Module (TIM)
9.1 Introduction
This section describes the timer interface (TIM) module. The TIM is a two-channel timer that provides a
timing reference with Input capture, output compare, and pulse-width-modulation functions.
a block diagram of the TIM.
This particular MCU has two timer interface modules which are denoted as TIM1 and TIM2.
9.2 Features
Features of the TIM include:
9.3 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 channel 0) and T[1,2]CH1 (timer channel 1), where “1” is used to indicate TIM1 and “2”
is used to indicate TIM2. The two TIMs share four I/O pins with four I/O port pins. The external clock input
for TIM2 is shared with the an ADC channel pin. The full names of the TIM I/O pins are listed in
The generic pin names appear in the text that follows.
Freescale Semiconductor
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Two input capture/output compare channels:
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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
References to either timer 1 or timer 2 may be made in the following text by
omitting the timer number. For example, TCH0 may refer generically to
T1CH0 and T2CH0, and TCH1 may refer to T1CH1 and T2CH1.
TIM Generic Pin Names:
Pin Names:
Full TIM
MC68HC908AP Family Data Sheet, Rev. 4
Table 9-1. Pin Name Conventions
TIM1
TIM2
NOTE
PTB4/T1CH0
PTB6/T2CH0
T[1,2]CH0
PTB5/T1CH1
PTB7/T2CH1
T[1,2]CH1
Figure 9-1
Table
9-1.
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is