参数资料
型号: SAK-XC164CB-32F40F
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 40 MHz, RISC MICROCONTROLLER, PQFP100
封装: 0.0197 INCH PITCH, PLASTIC, TQFP-100
文件页数: 62/80页
文件大小: 1163K
代理商: SAK-XC164CB-32F40F
XC164-32
Derivatives
Electrical Parameters
Data Sheet
63
V1.0, 2005-06
4.4
AC Parameters
4.4.1
Definition of Internal Timing
The internal operation of the XC164 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 XC164.
Figure 15
Generation Mechanisms for the Master Clock
Note: The example for PLL operation shown in Figure 15 refers to a PLL factor of 1:4,
the example for prescaler operation refers to a divider factor of 2:1.
The used mechanism to generate the master clock is selected by register PLLCON.
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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