參數(shù)資料
型號: MC68HC08LT8CFGE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 MM, 1.40 MM THICKNESS, 0.80 MM PITCH, ROHS COMPLIANT, MS-026BCB, LQFP-44
文件頁數(shù): 109/156頁
文件大?。?/td> 1107K
代理商: MC68HC08LT8CFGE
Timer Interface Module (TIM)
MC68HC08LT8 Data Sheet, Rev. 1
56
Freescale Semiconductor
6.4 Functional Description
Figure 6-1 shows the structure of the TIM. The central component of the TIM is the 16-bit TIM counter
that can operate as a free-running counter or a modulo up-counter. The TIM counter provides the timing
reference for the input capture and output compare functions. The TIM counter modulo registers,
TMODH:TMODL, control the modulo value of the TIM counter. Software can read the TIM counter value
at any time without affecting the counting sequence.
The two TIM channels (per timer) are programmable independently as input capture or output compare
channels.
Figure 6-1. TIM Block Diagram
Figure 6-2 summarizes the timer registers.
NOTE
References to either timer 1 or timer 2 may be made in the following text by
omitting the timer number. For example, TSC may generically refer to both
T1SC and T2SC.
PRESCALER
PRESCALER SELECT
INTERNAL
16-BIT COMPARATOR
PS2
PS1
PS0
16-BIT COMPARATOR
16-BIT LATCH
TCH0H:TCH0L
TOF
TOIE
16-BIT COMPARATOR
16-BIT LATCH
TCH1H:TCH1L
CHANNEL 0
CHANNEL 1
TMODH:TMODL
TRST
TSTOP
TOV0
CH0IE
CH0F
TOV1
CH1IE
CH1MAX
CH1F
CH0MAX
MS0B
16-BIT COUNTER
INT
ERNAL
BUS
BUS CLOCK
T[1,2]CH0
INTERRUPT
LOGIC
PORT
LOGIC
INTERRUPT
LOGIC
INTERRUPT
LOGIC
PORT
LOGIC
CH01IE
ELS0B
ELS0A
MS0A
ELS0B
ELS0A
MS0A
T[1,2]CH1
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