參數(shù)資料
型號: SAF-XC2786X-96F80L66
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 80 MHz, RISC MICROCONTROLLER, PQFP144
封裝: 0.50 MM PITCH, GREEN, PLASTIC, LQFP-144
文件頁數(shù): 115/120頁
文件大?。?/td> 1434K
代理商: SAF-XC2786X-96F80L66
XC2786X
XC2000 Family Derivatives
Electrical Parameters
Data Sheet
92
V2.1, 2008-08
4.6.2
Definition of Internal Timing
The internal operation of the XC2786X is controlled by the internal system clock
f
SYS.
Because the system clock signal
f
SYS can be generated from a number of internal and
external sources using different mechanisms, the duration of the system clock periods
mechanism used to generate
f
SYS. This must be considered when calculating the timing
for the XC2786X.
Figure 18
Generation Mechanisms for the System Clock
Note: The example of PLL operation shown in Figure 18 uses a PLL factor of 1:4; the
example of prescaler operation uses a divider factor of 2:1.
The specification of the external timing (AC Characteristics) depends on the period of the
system clock (TCS).
MC_XC2X_CLOCKGEN
Phase Locked Loop Operation (1:N)
f
IN
Direct Clock Drive (1:1)
Prescaler Operation (N:1)
f
SYS
f
IN
f
SYS
f
IN
f
SYS
TCS
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