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| 型号： | SAB-XC164CM-8F40F |
| 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, MICROCONTROLLER, PQFP64 |
| 封装： | PLASTIC, TQFP-64 |
| 文件页数： | 39/69页 |
| 文件大小： | 1591K |
| 代理商： | SAB-XC164CM-8F40F |
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XC164CM
Derivatives
Functional Description
Data Sheet
42
V1.2, 2006-03
3.15
Clock Generation
The Clock Generation Unit uses a programmable on-chip PLL with multiple prescalers
to generate the clock signals for the XC164CM with high flexibility. The master clock
f
MC
is the reference clock signal, and is used for TwinCAN and is output to the external
system. The CPU clock
f
CPU and the system clock fSYS are derived from the master clock
either directly (1:1) or via a 2:1 prescaler (
f
The on-chip oscillator can drive an external crystal or accepts an external clock signal.
The oscillator clock frequency can be multiplied by the on-chip PLL (by a programmable
factor) or can be divided by a programmable prescaler factor.
If the bypass mode is used (direct drive or prescaler) the PLL can deliver an independent
clock to monitor the clock signal generated by the on-chip oscillator. This PLL clock is
independent from the XTAL1 clock. When the expected oscillator clock transitions are
missing the Oscillator Watchdog (OWD) activates the PLL Unlock/OWD interrupt node
and supplies the CPU with an emergency clock, the PLL clock signal. Under these
circumstances the PLL will oscillate with its basic frequency.
The oscillator watchdog can be disabled by switching the PLL off. This reduces power
consumption, but also no interrupt request will be generated in case of a missing
oscillator clock.
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| SAB-XC164CM-4F40F | 16-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP64 |
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| SAB-XC164KM-4F40F | 16-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP64 |
| SAB-XC164KM-4F20F | 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP64 |
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相关代理商/技术参数 |
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| SAB-XC167CI-16F20F | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:16-Bi t Single-Chip Microcontroller Preliminary |
| SAB-XC167CI-16F40F | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:16-Bi t Single-Chip Microcontroller Preliminary |
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