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參數(shù)資料
| 型號(hào)： | C167SR |
| 廠商： | SIEMENS AG |
| 英文描述： | 16-Bit CMOS Single-Chip Microcontroller |
| 中文描述： | 16位CMOS單芯片微控制器 |
| 文件頁數(shù)： | 26/66頁 |
| 文件大?。?/td> | 680K |
| 代理商： | C167SR |
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C167SR
Semiconductor Group
23
Figure 7
Block Diagram of GPT2
Watchdog Timer
The Watchdog Timer represents one of the fail-safe mechanisms which have been implemented to
prevent the controller from malfunctioning for longer periods of time.
The Watchdog Timer is always enabled after a reset of the chip, and can only be disabled in the time
interval until the EINIT (end of initialization) instruction has been executed. Thus, the chip’s start-up
procedure is always monitored. The software has to be designed to service the Watchdog Timer
before it overflows. If, due to hardware or software related failures, the software fails to do so, the
Watchdog Timer overflows and generates an internal hardware reset and pulls the RSTOUT pin low
in order to allow external hardware components to be reset.
The Watchdog Timer is a 16-bit timer, clocked with the system clock divided either by 2 or by 128.
The high byte of the Watchdog Timer register can be set to a prespecified reload value (stored in
WDTREL) in order to allow further variation of the monitored time interval. Each time it is serviced
by the application software, the high byte of the Watchdog Timer is reloaded. Thus, time intervals
between 25
μ
s and 420 ms can be monitored (@ 20 MHz). The default Watchdog Timer interval
after reset is 6.55 ms (@ 20 MHz).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| C167SR-LM | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:16-Bi t Single-Chip Microcont roller |
| C167SRLMHABXQLA1 | 功能描述:IC MCU 32BIT 144MQFP 制造商:infineon technologies 系列:* 零件狀態(tài):最後搶購 標(biāo)準(zhǔn)包裝:1 |
| C167SRLMHABXQLA2 | 功能描述:IC MCU 32BIT 144MQFP 制造商:infineon technologies 系列:* 零件狀態(tài):最後搶購 標(biāo)準(zhǔn)包裝:1 |
| C167SRLMHABXUMA1 | 制造商:Infineon Technologies AG 功能描述:MCU 16-Bit C166 CISC/RISC ROMLess 5V 144-Pin MQFP 制造商:Infineon Technologies AG 功能描述:16 BIT ROM/ROMLESS - Tape and Reel 制造商:Infineon Technologies AG 功能描述:IC MCU 16BIT 144MQFP |
| C167SRLMHABXUMA2 | 功能描述:IC MCU 16BIT ROMLESS 144MQFP 制造商:infineon technologies 系列:C16xx 包裝:帶卷（TR） 零件狀態(tài):最後搶購 核心處理器:C166 核心尺寸:16-位 速度:25MHz 連接性:CAN，EBI/EMI，SPI，UART/USART 外設(shè):POR，PWM，WDT I/O 數(shù):111 程序存儲(chǔ)容量:- 程序存儲(chǔ)器類型:ROMless EEPROM 容量:- RAM 容量:4K x 8 電壓 - 電源（Vcc/Vdd）:4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 16x10b 振蕩器類型:外部 工作溫度:0°C ~ 70°C（TA） 封裝/外殼:144-BQFP 供應(yīng)商器件封裝:PG-MQFP-144 標(biāo)準(zhǔn)包裝:200 |
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