参数资料
型号: MC9RS08KA1CSCR
厂商: Freescale Semiconductor
文件页数: 111/136页
文件大小: 0K
描述: IC MCU 8-BIT 1K FLASH 8-SOIC
产品培训模块: Mechatronics
USBSpyder08 Discovery Kit
RS08KA2 Low-End Microcontroller Series
MC9RS08KA8 Microcontroller
标准包装: 1
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: 1KB(1K 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-SOIC(0.154",3.90mm 宽)
包装: 标准包装
产品目录页面: 726 (CN2011-ZH PDF)
其它名称: MC9RS08KA1CSCRDKR
Internal Clock Source (RS08ICSV1)
MC9RS08KA2 Series Data Sheet, Rev. 4
76
Freescale Semiconductor
9.1.1
Features
Key features of the ICS module are:
Frequency-locked loop (FLL) is trimmable for accuracy
— 0.2% resolution using internal 32 kHz reference
— 2% deviation over voltage and temperature using internal 32 kHz reference
— DCO output is 512 times internal reference frequency
Internal reference clock has 9 trim bits available
Internal reference clock can be selected as the clock source for the MCU
Whichever clock is selected as the source can be divided down
— 2 bit select for clock divider is provided (allowable dividers are: 1, 2, 4, and 8)
FLL engaged internal mode is automatically selected out of reset
9.1.2
Modes of Operation
There are four modes of operation for the ICS: FEI, FBI, FBILP, and stop.
9.1.2.1
FLL Engaged Internal (FEI)
In FLL engaged internal mode, which is the default mode, the ICS supplies a clock derived from the FLL
which is controlled by the internal reference clock.
9.1.2.2
FLL Bypassed Internal (FBI)
In FLL bypassed internal mode, the FLL is enabled and controlled by the internal reference clock, but is
bypassed. The ICS supplies a clock derived from the internal reference clock.
9.1.2.3
FLL Bypassed Internal Low Power (FBILP)
In FLL bypassed internal low power mode, the FLL is disabled and bypassed, and the ICS supplies a clock
derived from the internal reference clock.
9.1.2.4
Stop (STOP)
In stop mode, the FLL is disabled and the internal reference clocks can be selected to be enabled or
disabled. The ICS does not provide an MCU clock source.
9.1.3
Block Diagram
Figure 9-2 shows the ICS block diagram.
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