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參數(shù)資料
| 型號(hào)： | SAF-C161RI-LM |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, 20 MHz, MICROCONTROLLER, PQFP100 |
| 封裝： | METRIC, PLASTIC, QFP-100 |
| 文件頁數(shù)： | 14/60頁 |
| 文件大?。?/td> | 926K |
| 代理商： | SAF-C161RI-LM |
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Semiconductor Group
21
1998-05-01
C161RI
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 31
s and 525 ms can be monitored (@ 16 MHz). The default Watchdog Timer interval
after reset is 8.2 ms (@ 16 MHz).
GPT2 Timer T5
2n n=2...9
T5
Mode
Control
GPT2 Timer T6
T6
Mode
Control
GPT2 CAPREL
T6OTL
Interrupt
Request
CPU
Interrupt
Request
2n n=2...9
CPU
Clock
Interrupt
Request
CAPIN
Clear
Capture
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAB-C161RI-LF | 16-BIT, 20 MHz, MICROCONTROLLER, PQFP100 |
| SAF-C161S-L25M | 16-BIT, 25 MHz, MICROCONTROLLER, PQFP80 |
| SAB-C161S-LM3V | 16-BIT, 20 MHz, MICROCONTROLLER, PQFP80 |
| SAB-C161S-L25M | 16-BIT, 25 MHz, MICROCONTROLLER, PQFP80 |
| SAF-C501G-LN | 8-BIT, 12 MHz, MICROCONTROLLER, PQCC44 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAFC161S | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:16-Bit Single-Chip Microcontroller |
| SAF-C161S | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:16-Bit Single-Chip Microcontroller |
| SAF-C161S-L25M | 制造商:Infineon Technologies AG 功能描述:IC 16BIT MCU ROM/ROMLESS SMD 161 |
| SAF-C161S-L25M AA | 功能描述:16位微控制器 - MCU 16-Bit Single-Chip 5V 25MHz ROM less RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| SAF-C161S-L25M AATR | 制造商:Infineon Technologies AG 功能描述: |
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