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| 型號： | MC9RS08KA1CDB |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 52/136頁 |
| 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 |
| 標準包裝： | 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 |
| 程序存儲器容量： | 1KB（1K x 8） |
| 程序存儲器類型： | 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)品目錄頁面： | 726 (CN2011-ZH PDF) |
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Chapter 3 Modes of Operation
MC9RS08KA2 Series Data Sheet, Rev. 4
22
Freescale Semiconductor
When a BDC breakpoint is encountered
After active background mode is entered, the CPU is held in a suspended state waiting for serial
background commands rather than executing instructions from the user application program.
Background commands are of two types:
Non-intrusive commands, defined as commands that can be issued while the user program is
running, can be issued through the BKGD pin while the MCU is in run mode. Non-intrusive
commands can also be executed when the MCU is in the active background mode. Non-intrusive
commands include:
— Memory access commands
— Memory-access-with-status commands
— BACKGROUND command
Active background commands, which can be executed only while the MCU is in active background
mode, include commands to:
— Read or write CPU registers
— Trace one user program instruction at a time
— Leave active background mode to return to the user application program (GO)
Active background mode is used to program user application code into the Flash program memory before
the MCU is operated in run mode for the first time. When the MC9RS08KA2 Series is shipped from the
Freescale Semiconductor factory, the Flash program memory is usually erased so there is no program that
could be executed in run mode until the Flash memory is initially programmed. The active background
mode can also be used to erase and reprogram the Flash memory after it has been previously programmed.
For additional information about the active background mode, refer to the Development Support chapter
of this data sheet.
3.5
Wait Mode
Wait mode is entered by executing a WAIT instruction. Upon execution of the WAIT instruction, the CPU
enters a low-power state in which it is not clocked. The program counter (PC) is halted at the position
where the WAIT instruction is executed. When an interrupt request occurs:
1. MCU exits wait mode and resumes processing.
2. PC is incremented by one and fetches the next instruction to be processed.
It is the responsibility of the user program to probe the corresponding interrupt source that woke the MCU,
because no vector fetching process is involved.
While the MCU is in wait mode, not all background debug commands can be used. Only the
BACKGROUND command and memory-access-with-status commands are available when the MCU is in
wait mode. The memory-access-with-status commands do not allow memory access, but they report an
error indicating that the MCU is in either stop or wait mode. The BACKGROUND command can be used
to wake the MCU from wait mode and enter active background mode.
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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 最大時鐘頻率:50 MHz 程序存儲器大小: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 最大時鐘頻率:50 MHz 程序存儲器大小: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 最大時鐘頻率:50 MHz 程序存儲器大小: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 最大時鐘頻率:50 MHz 程序存儲器大小: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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