- 您现在的位置：买卖IC网 > PDF目录243484 > SAB-C505-2R20M (INFINEON TECHNOLOGIES AG) 8-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP44 PDF资料下载
参数资料
| 型号： | SAB-C505-2R20M |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 20 MHz, MICROCONTROLLER, PQFP44 |
| 封装： | PLASTIC, MQFP-44 |
| 文件页数： | 47/88页 |
| 文件大小： | 1013K |
| 代理商： | SAB-C505-2R20M |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页当前第47页第48页第49页第50页第51页第52页第53页第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页第64页第65页第66页第67页第68页第69页第70页第71页第72页第73页第74页第75页第76页第77页第78页第79页第80页第81页第82页第83页第84页第85页第86页第87页第88页
C505/C505C/C505A/C505CA
Data Sheet
47
12.00
Oscillator Watchdog
The oscillator watchdog unit serves for three functions:
– Monitoring of the on-chip oscillator's function
The watchdog supervises the on-chip oscillator's frequency; if it is lower than the frequency
of the auxiliary RC oscillator in the watchdog unit, the internal clock is supplied by the RC
oscillator and the device is brought into reset; if the failure condition disappears (i.e. the on-
chip oscillator has a higher frequency than the RC oscillator), the part, in order to allow the
oscillator to stabilize, executes a final reset phase of typ. 1 ms; then the oscillator watchdog
reset is released and the part starts program execution from address 0000H again.
– Fast internal reset after power-on
The oscillator watchdog unit provides a clock supply for the reset before the on-chip oscillator
has started. The oscillator watchdog unit also works identically to the monitoring function.
– Control of external wake-up from software power-down mode
When the power-down mode is left by a low level at the P3.2/INT0 pin or the P4.1/RXDC pin,
the oscillator watchdog unit assures that the microcontroller resumes operation (execution of
the power-down wake-up interrupt) with the nominal clock rate. In the power-down mode the
RC oscillator and the on-chip oscillator are stopped. Both oscillators are started again when
power-down mode is released. When the on-chip oscillator has a higher frequency than the
RC oscillator, the microcontroller starts program execution by processing a power down
interrupt after a final delay of typ. 1 ms in order to allow the on-chip oscillator to stabilize.
相关PDF资料 |
PDF描述 |
|---|---|
| SAB-C515-RN | 8-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQCC68 |
| S1C88862F0A0100 | MICROCONTROLLER, PQFP128 |
| STM8AF6146TDXXXX | MICROCONTROLLER, PQFP32 |
| STM32F105RBT7XXX | 32-BIT, FLASH, 72 MHz, RISC MICROCONTROLLER, PQFP64 |
| ST72F63BK6B1 | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDIP32 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SAB-C505-2RM | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAB-C505A-4EM | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAB-C505A-4EM-BA | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| SAB-C505C-2RM | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:8-Bit CMOS Microcontroller |
| SAB-C505CA-4EM | 制造商:Infineon Technologies 功能描述:Bulk |
发布紧急采购，3分钟左右您将得到回复。