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參數(shù)資料
| 型號(hào)： | MAX6324HUT44-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Analog IC |
| 中文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO6 |
| 封裝： | ROHS COMPLIANT, SOT-23, 6 PIN |
| 文件頁(yè)數(shù)： | 2/13頁(yè) |
| 文件大?。?/td> | 168K |
| 代理商： | MAX6324HUT44-T |
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WDPO to MR Loopback
An error detected by the watchdog often indicates that
a problem has occurred in the P code execution. This
could be a stalled instruction or a loop from which the
processor cannot free itself. If the P will still respond
to a nonmaskable input (NMI), the processor can be
redirected to the proper code sequence by connecting
the WDPO output to an NMI input. Internal RAM data
should not be lost, but it may have been contaminated
by the same error that caused the watchdog to time
out.
If the processor will not recognize NMI inputs, or if the
internal data is considered potentially corrupted when
a watchdog error occurs, the processor should be
restarted with a reset function. To obtain proper reset
timing characteristics, the WDPO output should be
connected to the MR input, and the RESET output
should drive the P RESET input (Figure 10). The short
1ms WDPO pulse output will assert the manual reset
input and force the RESET output to assert for the full
reset timeout period (100ms min). All internal RAM data
is lost during the reset period, but the processor is
guaranteed to begin in the proper operating state.
MAX6323/MAX6324
P Supervisory Circuits with Windowed
(Min/Max) Watchdog and Manual Reset
10
______________________________________________________________________________________
START
SET WDI
LOW
SUBROUTINE OR
PROGRAM LOOP
SET WDI HIGH
RETURN
END
Figure 9. Watchdog Flow Diagram
MAX6323
MAX6324
RESET
WDPO
P
RESET
*MAX6324 ONLY
MR
WDI
I/O
GND
VCC
*RPULLUP
500pF
Figure 10. WDPO to MR Loopback Circuit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6324HUT46 | 制造商:Maxim Integrated Products 功能描述:UP SUPERVISORY CIRCUIT WITH WINDOWE - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX6324HUT46+ | 制造商:Maxim Integrated Products 功能描述:MAXIM MAX6324HUT46+ PROCESSOR SUPERVISORS - Boxed Product (Development Kits) 制造商:Maxim Integrated Products 功能描述:Maxim MAX6324HUT46+ Processor Supervisors |
| MAX6324HUT46+T | 功能描述:監(jiān)控電路 uPower Supervisor RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6324HUT46-T | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6325CPA | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
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