參數(shù)資料
型號(hào)： MC908AS60AVFU
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, FLASH, 8.4 MHz, MICROCONTROLLER, PQFP64
封裝： 20 X 20 MM, PLASTIC, QFP-64
文件頁數(shù)： 71/576頁
文件大?。?/td> 3417K
代理商： MC908AS60AVFU
System Integration Module (SIM)
Technical Data
MC68HC908AZ60A — Rev 2.0
162
System Integration Module (SIM)
MOTOROLA
9.6.3 Break Interrupts
The break module can stop normal program flow at a software-
programmable break point by asserting its break interrupt output. See
Break Module (BRK) on page 203. The SIM puts the CPU into the break
state by forcing it to the SWI vector location. Refer to the break interrupt
subsection of each module to see how each module is affected by the
break state.
9.6.4 Status Flag Protection in Break Mode
The SIM controls whether status flags contained in other modules can
be cleared during break mode. The user can select whether flags are
protected from being cleared by properly initializing the break clear flag
enable bit (BCFE) in the SIM break flag control register (SBFCR).
Protecting flags in break mode ensures that set flags will not be cleared
while in break mode. This protection allows registers to be freely read
and written during break mode without losing status flag information.
Setting the BCFE bit enables the clearing mechanisms. Once cleared in
break mode, a flag remains cleared even when break mode is exited.
Status flags with a two-step clearing mechanism — for example, a read
of one register followed by the read or write of another — are protected,
even when the first step is accomplished prior to entering break mode.
Upon leaving break mode, execution of the second step will clear the flag
as normal.
9.7 Low-Power Modes
Executing the WAIT or STOP instruction puts the MCU in a low power-
consumption mode for standby situations. The SIM holds the CPU in a
non-clocked state. The operation of each of these modes is described
below. Both STOP and WAIT clear the interrupt mask (I) in the condition
code register, allowing interrupts to occur.
相關(guān)PDF資料
PDF描述
MC908AZ60ACFUR2 8-BIT, FLASH, 8.4 MHz, MICROCONTROLLER, PQFP64
MC68HC908AZ60ACFU 8-BIT, FLASH, 8.4 MHz, MICROCONTROLLER, PQFP64
MC908AS60AVFN 8-BIT, FLASH, 8.4 MHz, MICROCONTROLLER, PQCC52
MC68HC908AS60ACFU 8-BIT, FLASH, 8.4 MHz, MICROCONTROLLER, PQFP64
MC908AZ60AMFUE 8-BIT, FLASH, 8.4 MHz, MICROCONTROLLER, PQFP64
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC908AS60AVFUE 功能描述:8位微控制器 -MCU 64K FLASH W/2K EEPROM 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
MC908AS60AVFUR2 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Motorola Inc 功能描述: 制造商:MOTOROLA 功能描述:
MC908AZ32ACFU 功能描述:8位微控制器 -MCU 8BIT FLASH EEPROM/CAN 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
MC908AZ32ACFUE 功能描述:8位微控制器 -MCU 8BIT FLASH EEPROM/CAN 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
MC908AZ32ACFUER 功能描述:8位微控制器 -MCU 8BIT FLASH EEPROM/ CAN 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
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