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Why do you recommend opening an unused pin in the high-impedance state of initial value rather than opening it as “L” or “H” fixed in output setting?

Under the high-impedance state of initial value, the microcontroller performs internal control to prevent a current path for both input and output, and thus a current does not flow even when a terminal is opened. If a terminal is opened while it is fixed to “L” or “H” in output setting and a short circuit with an adjacent terminal, etc. occurs, a current may flow between the short-circuited terminals. In the high-impedance state, however, a current will not flow. Therefore, we recommend that a terminal be opened in the high-impedance state of initial value. Related Products: ML610(Q)40x, ML610(Q)42x, ML610(Q)47x, ML610(Q)48x, ML610Q10x, ML610Q11x, ML610Q17x, ML610Q30x, ML610Q35x, ML610Q36x, ML610Q38x, ML610Q41x, ML610Q43x, ML610Q46x, ML620Q13x, ML620Q15x, ML620Q416/ML620Q418, ML620Q503H/ML620Q504H/ML620Q506H, ML62Q12xx, ML62Q13xx, ML62Q14xx, ML62Q15xx/ML62Q18xx, ML62Q16xx, ML62Q17xx

2024-08-30 -  技术问答

What is the initial input / output status of the port of the ML62Q1000 series?

It is a high impedance state with input disabled and output disabled. In this state, no current will flow even if the terminal is opened or L / H is input. Related Products: ML62Q12xx, ML62Q13xx, ML62Q14xx, ML62Q15xx/ML62Q18xx, ML62Q16xx, ML62Q17xx

2024-08-30 -  技术问答

When should I set the high-impedance output that can be set in the port n control registers (PnC0, PnC1)?

The pins become open in high-impedance output mode, thus eliminating the current path for the pins. Please set the high-impedance output when you do not want to set the "H" or "L" level to a connection destination, or when the pins are not used. Also, the current path for the pins can be eliminated when no pull-up/pull-down resistor is used in high-impedance input mode. However, this may cause a pass-through current to flow in the input circuit if the pins become intermediate potential, thus increasing the current consumption. Please set the unused pins to high-impedance output mode. Related Products: ML610(Q)40x, ML610(Q)42x, ML610(Q)47x, ML610(Q)48x, ML610Q10x, ML610Q11x, ML610Q17x, ML610Q30x, ML610Q35x, ML610Q36x, ML610Q38x, ML610Q41x, ML610Q43x, ML610Q46x, ML620Q13x, ML620Q15x, ML620Q416/ML620Q418, ML620Q503H/ML620Q504H/ML620Q506H, ML62Q12xx, ML62Q13xx, ML62Q14xx, ML62Q15xx/ML62Q18xx, ML62Q16xx, ML62Q17xx

2024-08-30 -  技术问答

How does Walmate ensure the quality of my parts?

Walmate takes a proactive approach to customer’s quality concerns from the initial communication, providing cost-effective and rationalized advice from designs, materials, production processes, manufacturability, etc. Once your order is confirmed, we will perform a full Design for Manufacturing (DFM) review to point out any issues that our engineers feel may affect the quality of your parts. We have the ability to share inspection data with you in real-time so we can work together to address any quality issues you may have during production. All incoming materials will meet your design specifications. Final inspection reports before shipment.

2024-09-30 -  技术问答

Why does my function generator amplitude not match the set point?

The most likely cause is that the generator output is not configured with the correct value that matches the actual load.

2024-09-23 -  技术问答

请推荐一款工作电压±35V,输出电流能达到5A的功率运放,用于驱动电磁阀。

电磁阀驱动推荐Rohm的单通道高边开关BD1HD500EFJ-C,其耐压最高40V,电流限值1.45A,具备在线诊断对地短路,对电源短路,开路故障功能,同时具备过热,过流及欠压保护功能。参考链接:1ch High-side switch BD1Hx500 Series数据手册

2019-09-26 -  技术问答 代理服务 技术支持 采购服务

Is the LCD display turned OFF in the HALT mode?

Entering the HALT mode does not affect the LCD display. The existing state before entering the HALT mode is maintained. Related Products: ML610(Q)40x, ML610(Q)42x, ML610(Q)47x, ML610Q17x, ML610Q38x, ML610Q41x, ML610Q43x, ML610Q46x, ML620Q416/ML620Q418, ML62Q16xx, ML62Q17xx

2024-08-30 -  技术问答 代理服务 技术支持 采购服务

用于磁性开关和用于拨盘、轨迹球的工作方式有何不同?

磁开闭开关用是检测有无磁场。检测出磁场后,输出从High变为Low。在磁场消失后便恢复High。而滚轮键、轨迹球用则是检测磁场的极性变化。检测出N极的磁场后,输出变为High,在下一次检测出S极之前输出保持High不变,检测出S极后即变为Low。

2024-08-30 -  技术问答 代理服务 技术支持 采购服务

Is LE Audio supported?

No, it is not supported. LE Audio is an optional feature of Bluetooth v5.2. Neither MK71511 nor MK71521 supports this function.

2024-08-30 -  技术问答

Tell me the pin status of a general-purpose port in the 1000 series.

You can use the register setting to select input and output status for the general-purpose port. At high impedance, the pin does not output both "H" and "L" because PMOS and NMOS are turned off. For pull-up, the pin has a pull-up resistor connected. For N-channel open output, the pin outputs "L" or is in the high-impedance state because PMOS is turned off. For CMOS output, the pin outputs "H" or "L" because PMOS/NMOS is turned on/off. Related Products: ML610(Q)40x, ML610(Q)42x, ML610(Q)47x, ML610(Q)48x, ML610Q10x, ML610Q11x, ML610Q17x, ML610Q30x, ML610Q35x, ML610Q36x, ML610Q38x, ML610Q41x, ML610Q43x, ML610Q46x, ML620Q13x, ML620Q15x, ML620Q416/ML620Q418, ML620Q503H/ML620Q504H/ML620Q506H, ML62Q12xx, ML62Q13xx, ML62Q14xx, ML62Q15xx/ML62Q18xx, ML62Q16xx, ML62Q17xx

2024-08-30 -  技术问答 代理服务 技术支持 采购服务

Does the A/D converter include a sample/hold circuit? Or, does a hold occur for the number of input ports?

The ADC of our microcontroller includes a sample/hold circuit. Note that the sample/hold circuits for the number of input ports are not provided.

2024-08-30 -  技术问答

For BD37033FV-M,BD37034FV-M, What is the difference between the two products?

The BD37034FV-M has built-in HPFs for front and rear, and also supports HI-VOL output.

2024-08-30 -  技术问答 代理服务 技术支持 采购服务

When performing A/D conversion for multiple channels, are channels put into the sampling wait state until sampling of one channel is completed? Or, can sampling be performed simultaneously?

The ADC of our microcontroller performs A/D conversion while switching channels and therefore unprocessed channels are put into the wait state. Simultaneous conversion cannot be performed.

2024-08-30 -  技术问答
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