参数资料
型号: SAX-XC878M-13FFI5V
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 24 MHz, RISC MICROCONTROLLER, PQFP64
封装: PLASTIC, TQFP-64
文件页数: 124/141页
文件大小: 2385K
代理商: SAX-XC878M-13FFI5V
XC878CLM
Functional Description
Data Sheet
76
V1.1, 2009-08
3.8.2
Clock Management
The CGU generates all clock signals required within the microcontroller from a single
clock,
f
sys. During normal system operation, the typical frequencies of the different
modules are as follow:
CPU clock: CCLK, SCLK = 24 MHz
MultiCAN clock : MCANCLK = 24 or 48 MHz
MDU clock : MDUCLK = 24 or 48 MHz
CORDIC clock : CORDICCLK = 24 or 48 MHz
CCU6 clock : CCU6CLK = 24 or 48 MHz
T2CCU clock : T2CCUCLK = 24 or 48 MHz
Peripheral clock: PCLK = 24 MHz
In addition, different clock frequencies can be output to pin CLKOUT (P0.0 or P0.7). The
clock output frequency, which is derived from the clock output divider (bit COREL), can
further be divided by 2 using toggle latch (bit TLEN is set to 1). The resulting output
frequency has a 50% duty cycle. Figure 21 shows the clock distribution of the XC878.
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