參數(shù)資料
型號(hào)： MC68HC11ED0CFN3
廠商： FREESCALE SEMICONDUCTOR INC
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-BIT, 3 MHz, MICROCONTROLLER, PQCC44
封裝： PLASTIC, LCC-44
文件頁(yè)數(shù)： 96/108頁(yè)
文件大?。?/td> 1672K
代理商： MC68HC11ED0CFN3
Technical Summary
MC68HC11ED0 — Rev. 1.0
Timing System
Timing System
9.2 Introduction
The timing system is based on a free-running 16-bit counter with a
four-stage programmable prescaler. A timer overflow function allows
software to extend the system’s timing capability beyond the counter’s
16-bit range.
The timer has:
Three channels for input capture
Four channels for output compare
One channel that can be configured as a fourth input capture or a
fifth output compare
In addition, the timing system includes pulse accumulator and real-time
interrupt (RTI) functions, as well as a clock monitor function, which can
be used to detect clock failures that are not detected by the computer
operating properly (COP. Refer to 9.4 Pulse Accumulator for further
information about these functions.
Table 9-1 provides a summary of the crystal-related frequencies and
periods. A block diagram of the timer system is shown in Figure 9-1.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相關(guān)PDF資料
PDF描述
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MC68HC11ED0CP3 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Technical Summary
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