- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄25636 > MQ80C154-36/883D (ATMEL CORP) 8-BIT, 36 MHz, MICROCONTROLLER, CQFP44 PDF資料下載
參數(shù)資料
| 型號： | MQ80C154-36/883D |
| 廠商： | ATMEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, 36 MHz, MICROCONTROLLER, CQFP44 |
| 封裝： | CERAMIC, QFP-44 |
| 文件頁數(shù)： | 51/134頁 |
| 文件大小： | 3805K |
| 代理商： | MQ80C154-36/883D |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁第49頁第50頁當(dāng)前第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁第73頁第74頁第75頁第76頁第77頁第78頁第79頁第80頁第81頁第82頁第83頁第84頁第85頁第86頁第87頁第88頁第89頁第90頁第91頁第92頁第93頁第94頁第95頁第96頁第97頁第98頁第99頁第100頁第101頁第102頁第103頁第104頁第105頁第106頁第107頁第108頁第109頁第110頁第111頁第112頁第113頁第114頁第115頁第116頁第117頁第118頁第119頁第120頁第121頁第122頁第123頁第124頁第125頁第126頁第127頁第128頁第129頁第130頁第131頁第132頁第133頁第134頁
23
8068U–AVR–06/2013
XMEGA A3
Not recommended for new designs -
Use XMEGA A3U series
12. System Control and Reset
12.1
Features
Multiple reset sources for safe operation and device reset
– Power-On Reset
– External Reset
– Watchdog Reset
The Watchdog Timer runs from separate, dedicated oscillator
– Brown-Out Reset
Accurate, programmable Brown-Out levels
– PDI reset
– Software reset
Asynchronous reset
– No running clock in the device is required for reset
Reset status register
12.2
Resetting the AVR
During reset, all I/O registers are set to their initial values. The SRAM content is not reset. Appli-
cation execution starts from the Reset Vector. The instruction placed at the Reset Vector should
be an Absolute Jump (JMP) instruction to the reset handling routine. By default the Reset Vector
address is the lowest Flash program memory address, ‘0’, but it is possible to move the Reset
Vector to the first address in the Boot Section.
The I/O ports of the AVR are immediately tri-stated when a reset source goes active. The reset
functionality is asynchronous, so no running clock is required to reset the device. After the
device is reset, the reset source can be determined by the application by reading the Reset Sta-
tus Register.
12.3
Reset Sources
12.3.1
Power-On Reset
The MCU is reset when the supply voltage VCC is below the Power-on Reset threshold voltage.
12.3.2
External Reset
The MCU is reset when a low level is present on the RESET pin.
12.3.3
Watchdog Reset
The MCU is reset when the Watchdog Timer period expires and the Watchdog Reset is enabled.
The Watchdog Timer runs from a dedicated oscillator independent of the System Clock. For
more details see ”WDT - Watchdog Timer” on page 24.
12.3.4
Brown-Out Reset
The MCU is reset when the supply voltage VCC is below the Brown-Out Reset threshold voltage
and the Brown-out Detector is enabled. The Brown-out threshold voltage is programmable.
12.3.5
PDI reset
The MCU can be reset through the Program and Debug Interface (PDI).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC80C52XXX-20SHXXX | 8-BIT, MROM, 20 MHz, MICROCONTROLLER, CDIP40 |
| MQ80C52CXXX-36SHXXX:D | 8-BIT, MROM, 36 MHz, MICROCONTROLLER, CQFP44 |
| MR80C52TXXX-20/883:D | 8-BIT, MROM, 20 MHz, MICROCONTROLLER, CQCC44 |
| MR80C52XXX-30SHXXX:R | 8-BIT, MROM, 30 MHz, MICROCONTROLLER, CQCC44 |
| MQ80C52EXXX-30 | 8-BIT, MROM, 30 MHz, MICROCONTROLLER, CQFP44 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MQ80C154-L16 | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:CMOS 0 to 36 MHz Single Chip 8-bit Microcontroller |
| MQ80C186-10/BYA | 制造商:Rochester Electronics LLC 功能描述: |
| MQ80C186-12/BYA | 制造商:Rochester Electronics LLC 功能描述: |
| MQ80C186-12/BYC | 制造商:Rochester Electronics LLC 功能描述: |
| MQ80C186-12/R | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。