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參數(shù)資料
| 型號(hào)： | MC9RS08KA1CDB |
| 廠商： | Freescale Semiconductor |
| 文件頁(yè)數(shù)： | 117/136頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU 8-BIT 1K FLASH 6-DFN |
| 產(chǎn)品培訓(xùn)模塊： | Mechatronics USBSpyder08 Discovery Kit RS08KA2 Low-End Microcontroller Series MC9RS08KA8 Microcontroller |
| 標(biāo)準(zhǔn)包裝： | 490 |
| 系列： | RS08 |
| 核心處理器： | RS08 |
| 芯體尺寸： | 8-位 |
| 速度： | 10MHz |
| 外圍設(shè)備： | LVD，POR，WDT |
| 輸入/輸出數(shù)： | 2 |
| 程序存儲(chǔ)器容量： | 1KB（1K x 8） |
| 程序存儲(chǔ)器類型： | 閃存 |
| RAM 容量： | 63 x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 1.8 V ~ 5.5 V |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 6-VDFN 裸露焊盤 |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁(yè)面： | 726 (CN2011-ZH PDF) |
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Internal Clock Source (RS08ICSV1)
MC9RS08KA2 Series Data Sheet, Rev. 4
Freescale Semiconductor
81
9.4.1.4
Stop
ICS stop mode is entered whenever the MCU enters stop. In this mode, all ICS clocks are stopped except
ICSIRCLK which will remaining running if IREFSTEN is written to a 1.
When the MCU is interrupted from stop, the ICS will go back to the operating mode that was running when
the MCU entered stop. If the internal reference was not running in stop (IREFSTEN = 0), the ICS will take
some time, tir_wu, for the internal reference to wakeup. If the internal reference was already running in stop
(IREFSTEN = 1), entering into FEI will take some time, tfll_wu, for the FLL to return its previous acquired
frequency.
9.4.2
Mode Switching
When changing from FBILP to either FEI or FBI, or anytime the trim value is written, the user should wait
the FLL acquisition time, tacquire, before FLL will be guaranteed to be at desired frequency.
9.4.3
Bus Frequency Divider
The BDIV bits can be changed at anytime and the actual switch to the new frequency will occur
immediately.
9.4.4
Low Power Bit Usage
The low power bit (LP) is provided to allow the FLL to be disabled and thus conserve power when it is
not being used. However, in some applications it may be desirable to enable the FLL and allow it to lock
for maximum accuracy before switching to an FLL engaged mode. The FLL is disabled in bypass mode
when LP = 1.
9.4.5
Internal Reference Clock
The ICSIRCLK frequency can be re-targeted by trimming the period of the internal reference clock. This
can be done by writing a new value to the TRIM bits in the ICSTRM register. Writing a larger value will
slow down the ICSIRCLK frequency, and writing a smaller value to the ICSTRM register will speed up
the ICSIRCLK frequency. The TRIM bits will affect the ICSOUT frequency if the ICS is in FLL engaged
internal (FEI), FLL bypassed internal (FBI), or FLL bypassed internal low power (FBILP) mode. The
TRIM and FTRIM values will not be affected by a reset. For the ICS to run in stop, the LVDE and LVDSE
bits in the SPMSC1 must both be set before entering stop.
Until ICSIRCLK is trimmed, ICSOUT frequencies may exceed the maximum chip-level frequency and
violate the chip-level clock timing specifications (see the Device Overview chapter). The BDIV is reset to
a divide by 2 to prevent the bus frequency from exceeding the maximum. The user should trim the device
to an allowable frequency before changing BDIV to a divide by 1 operation.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC9RS08KA1CDBR | 功能描述:8位微控制器 -MCU 1K FLSH W/ACMP 62RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| MC9RS08KA1CPC | 功能描述:8位微控制器 -MCU 1K FLASH W/ ACMP 62 RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| MC9RS08KA1CSC | 功能描述:8位微控制器 -MCU 1K FLASH W/ ACMP 62 RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| MC9RS08KA1CSCR | 功能描述:8位微控制器 -MCU 1K FLASH W/ ACMP 62 RAM RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
| MC9RS08KA1DB | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Microcontrollers |
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