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| 型号： | SAF-XC2735X-72F80L |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | RISC MICROCONTROLLER, PQFP64 |
| 封装： | 0.50 MM PITCH, GREEN, PLASTIC, LQFP-64 |
| 文件页数： | 85/101页 |
| 文件大小： | 862K |
| 代理商： | SAF-XC2735X-72F80L |
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XC2735X
XC2000 Family Derivatives / Base Line
Electrical Parameters
Data Sheet
84
V2.0, 2009-03
Wakeup Clock
When wakeup operation is selected (SYSCON0.CLKSEL = 00B), the system clock is
derived from the low-frequency wakeup clock source:
f
SYS = fWU.
In this mode, a basic functionality can be maintained without requiring an external clock
source and while minimizing the power consumption.
Selecting and Changing the Operating Frequency
When selecting a clock source and the clock generation method, the required
parameters must be carefully written to the respective bitfields, to avoid unintended
intermediate states.
Many applications change the frequency of the system clock (
f
SYS) during operation in
order to optimize system performance and power consumption. Changing the operating
frequency also changes the switching currents, which influences the power supply.
To ensure proper operation of the on-chip EVRs while they generate the core voltage,
the operating frequency shall only be changed in certain steps. This prevents overshoots
and undershoots of the supply voltage.
To avoid the indicated problems, recommended sequences are provided which ensure
the intended operation of the clock system interacting with the power system.
Please refer to the Programmer’s Guide.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SAF-XC2766X-96F66L66 | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:16/32-Bit Single-Chip Microcontroller with 32-Bit Performance |
| SAF-XC2786X-96F66L | 制造商:Infineon Technologies AG 功能描述: |
| SAF-XC822-1FRA | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit Single-Chip Microcontroller |
| SAF-XC822-1FRA AA | 功能描述:8位微控制器 -MCU RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| SAF-XC822-1FRI | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit Single-Chip Microcontroller |
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