參數(shù)資料
型號: SAL-XC866L-4FRA
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 75 MHz, MICROCONTROLLER, PDSO38
封裝: GREEN, PLASTIC, TSSOP-38
文件頁數(shù): 76/113頁
文件大?。?/td> 2289K
代理商: SAL-XC866L-4FRA
SAL-XC866
Functional Description
PRELIMINARY
Data Sheet
61
V1.0, 2011-02
3.8.2
Clock Management
The CGU generates all clock signals required within the microcontroller from a single
clock, fsys. During normal system operation, the typical frequencies of the different
modules are as follow:
CPU clock: CCLK, SCLK = 25 MHz
CCU6 clock: FCLK = 25 MHz
Other peripherals: PCLK = 25 MHz
Flash Interface clock: CCLK3 = 75 MHz and CCLK = 25 MHz
In addition, different clock frequency can output to pin CLKOUT(P0.0). The clock output
frequency can further be divided by 2 using toggle latch (bit TLEN is set to 1), the
resulting output frequency has 50% duty cycle. Figure 24 shows the clock distribution of
the SAL-XC866.
Figure 24
Clock Generation from fsys
PLL
N,P,K
fsys
CLKREL
FCLK
CCLK
SCLK
PCLK
/3
CCU6
CORE
Peripherals
OSC
fosc
FLASH
Interface
CCLK3
CLKOUT
COREL
COUTS
Toggle
Latch
TLEN
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