參數(shù)資料
型號: MCF51CN128CLK
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 50.33 MHz, MICROCONTROLLER, PQFP80
封裝: 14 X 14 MM, 1.40 MM HEIGHT, 0.65 MM PITCH, LQFP-80
文件頁數(shù): 21/48頁
文件大?。?/td> 3550K
代理商: MCF51CN128CLK
MCF51CN128 ColdFire Microcontroller Data Sheet, Rev. 4
Electrical Characteristics
Freescale Semiconductor
28
3.12.2
TPM Module Timing
Synchronizer circuits determine the shortest input pulses that can be recognized or the fastest clock that can be used as the
optional external source to the timer counter. These synchronizers operate from the current bus rate clock.
Figure 21. Timer External Clock
Figure 22. Timer Input Capture Pulse
Table 18. TPM Input Timing
No.
C
Function
Symbol
Min
Max
Unit
1
D
External clock frequency
fTCLK
0fBus/4
Hz
2
D
External clock period
tTCLK
4—
tcyc
3
D
External clock high time
tclkh
1.5
tcyc
4
D
External clock low time
tclkl
1.5
tcyc
5
D
Input capture pulse width
tICPW
1.5
tcyc
tTCLK
tclkh
tclkl
TCLK
tICPW
TPMCHn
tICPW
TPMCHn
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參數(shù)描述
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