參數(shù)資料
型號: SAF-XC164TM-4F40F
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP64
封裝: 0.50 MM PITCH, GREEN, PLASTIC, TQFP-64
文件頁數(shù): 53/66頁
文件大小: 1936K
代理商: SAF-XC164TM-4F40F
XC164TM
Derivatives
Electrical Parameters
Data Sheet
55
V1.2, 2007-03
4.4
AC Parameters
These parameters describe the dynamic behavior of the XC164TM.
4.4.1
Definition of Internal Timing
The internal operation of the XC164TM is controlled by the internal master clock
f
MC.
The master clock signal
f
MC can be generated from the oscillator clock signal fOSC via
different mechanisms. The duration of master clock periods (TCMs) and their variation
(and also the derived external timing) depend on the used mechanism to generate
f
MC.
This influence must be regarded when calculating the timings for the XC164TM.
Figure 13
Generation Mechanisms for the Master Clock
Note: The example for PLL operation shown in Figure 13 refers to a PLL factor of 1:4,
the example for prescaler operation refers to a divider factor of 2:1.
MCT05555
Phase Locked Loop Operation (1:N)
f
OSC
Direct Clock Drive (1:1)
Prescaler Operation (N:1)
f
MC
f
OSC
fMC
fOSC
f
MC
TCM
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