参数资料
型号: MC9RS08KA2CPC
厂商: Freescale Semiconductor
文件页数: 116/136页
文件大小: 0K
描述: IC MCU 8-BIT 2K FLASH 8-PDIP
产品培训模块: Mechatronics
USBSpyder08 Discovery Kit
RS08KA2 Low-End Microcontroller Series
MC9RS08KA8 Microcontroller
标准包装: 50
系列: RS08
核心处理器: RS08
芯体尺寸: 8-位
速度: 10MHz
外围设备: LVD,POR,WDT
输入/输出数: 4
程序存储器容量: 2KB(2K x 8)
程序存储器类型: 闪存
RAM 容量: 63 x 8
电压 - 电源 (Vcc/Vdd): 1.8 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 8-DIP(0.300",7.62mm)
包装: 管件
产品目录页面: 726 (CN2011-ZH PDF)
配用: DEMO9RS08KA2-ND - DEMO BOARD FOR 9RS08KA2
Internal Clock Source (RS08ICSV1)
MC9RS08KA2 Series Data Sheet, Rev. 4
80
Freescale Semiconductor
9.4
Functional Description
9.4.1
Operational Modes
The states of the ICS are shown as a state diagram and are described in this section. The arrows indicate
the allowed movements between the states.
Figure 9-7. Clock Switching Modes
9.4.1.1
FLL Engaged Internal (FEI)
FLL engaged internal (FEI) is the default mode of operation out of any reset and is entered when CLKS is
written to 0.
In FLL engaged internal mode, the ICSOUT clock is derived from the FLL clock, which is controlled by
the internal reference clock. The FLL loop will lock the frequency to 512 times the filter frequency.
9.4.1.2
FLL Bypassed Internal (FBI)
The FLL bypassed internal (FBI) mode is entered when CLKS is written to 1 and LP bit is a 0.
In FLL bypassed internal mode, the ICSOUT clock is derived from the internal reference clock. The FLL
clock is controlled by the internal reference clock, and the FLL loop will lock the FLL frequency to 512
times the filter frequency.
9.4.1.3
FLL Bypassed Internal Low Power (FBILP)
The FLL bypassed internal low power (FBILP) mode is entered when CLKS is written to 1 and LP = 1.
In FLL bypassed internal low power mode, the ICSOUT clock is derived from the internal reference clock
and the FLL is disabled.
FLL Bypassed
Internal Low
Power(FBILP)
CLKS=0
1 ICS enters its Stop state when MCU enters stop, FLL is always disabled. ICS returns to the state that
was active before MCU entered stop, unless a reset occurs while in stop.
2 If IREFSTEN is set when MCU enters stop, the ICSIRCLK remains running.
FLL Engaged
Internal (FEI)
FLL Bypassed
Internal (FBI)
CLKS=1
LP=0
CLKS=1
LP=1
Stop1, 2
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MC9RS08KA2CSCR 功能描述:8位微控制器 -MCU 2K FLASH W/ ACMP 62 RAM 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
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