参数资料
| 型号： | 78M6610+PSU/EK#1 |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/63页 |
| 文件大小： | 0K |
| 描述： | EVAL KIT 78M6610+PSU |
| 标准包装： | 1 |
| 系列： | * |
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78M6610+PSU Data Sheet
1.2
Power-On Reset, WD Timer, and Reset Circuitry
events in noisy environments. The reset does not occur until RESET has been held low for at least 1 μs.
Power-On Reset (POR)
An on-chip Power-On Reset (POR) block monitors the supply voltage (V 3P3D ) and initializes the internal
digital circuitry at power-on. Once V 3P3D is above the minimum operating threshold, the POR circuit
triggers and initiates a reset sequence. It will also issue a reset to the digital circuitry if the supply voltage
falls below the minimum operating level.
Watchdog Timer (WDT)
A Watchdog Timer (WDT) block detects any software processing errors. The embedded software
periodically refreshes the free-running watchdog timer to prevent it from timing out. If the WDT times out,
it is an indication that software is no longer being executed in the intended sequence; thus, a system
reset is initiated.
External Reset Pin ( RESET Pin)
The 24-pin QFN package provides a dedicated reset ( RESET ) pin. In addition to the internal sources, a
reset can be forced by applying a low level to the RESET pin.
If the RESET pin is pulled low, all digital activities in the device stop, except the clock management
circuitry and oscillators, which continue to run. The external reset input is filtered to prevent spurious reset
Once initiated, the reset mode persists until the RESET is set high and the reset timer times out (4096
clock cycles). At the completion of the reset sequence, the internal reset is released and the processor
(EMP) begins executing from address 0.
If not used, the RESET pin can be connected either directly or through a pull-up resistor to V 3P3D supply.
V 3P3D
V 3P3
V 3P3D
V 3P3
10K Ω
RESET
GNDD
1nF
Manual
Reset Switch
RESET
GNDD
78M6610+PSU/B
GND
78M6610+PSU/B
GND
a) RESET External Connection Example
b) Unused RESET Connection Example
Figure 3: RESET Pin Connections
6
Rev 1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 78M6611-EVM | 制造商:Maxim Integrated Products 功能描述:78M6611 EVAL BOARD - Boxed Product (Development Kits) |
| 78M6611-IVT/F | 功能描述:IC POWER MEASUREMENT AC 24-TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 能量测量 系列:* 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:* |
| 78M6611-IVT/F/P | 制造商:Maxim Integrated Products 功能描述:PROGRAMMED - LEAD FREE - Rail/Tube |
| 78M6611-IVTR/F | 功能描述:IC POWER MEASUREMENT AC 24-TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 能量测量 系列:* 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:* |
| 78M6611-IVTR/F/P | 制造商:Maxim Integrated Products 功能描述:PROGRAMMED - LEAD FREE/TAPE & REEL - Tape and Reel |
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