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RH850/F1L芯片中CAN和LIN是复用的吗，最高支持6路CAN和LIN？
瑞萨RH850/F1L芯片中CAN和LIN是分开的，并不复用，目前最高可分别支持6路CAN和6路LIN。
使用RH850/F1L系列MCU，请问在RESET时，通用I/O是什么状态？
Renesas RH850/F1L系列MCU在RESET状态期间，除引脚P0_0 / _RESETOUT以外，所有通用I / O引脚均处于高Z行为的输入模式。 上电复位时，必须特别注意引脚JP0_4 / _DCUTRST。在上电复位期间，不应从外部将引脚JP0_4驱动为高电平。 推荐的连接方式是通过电阻连接到EVSS或保持open。
瑞萨电子汽车MCU RH850/F1L在设计时，如果要关闭内置看门狗应该如何设置？
RH850/F1L若要关闭内置看门狗，需要将选项字节OPBT0的19bit WDT0_0和23bit WDT1_0设置为0,即可关闭内置看门狗。
瑞萨电子汽车级MCU RH850/F1L是否支持JTAG调试，所对应的接口是哪几个？
RH850/F1L支持JTAG调试，JTAG所对应的引脚标号是JP0端口，分别为： DCURDY,DCUTRST,DCUTMS,DCUTCK,DCUTDO,DCUTDI。
瑞萨电子32bit 汽车级MCU RH850/F1L的UART最大可支持的波特率为多少？
RH850/F1L中RLIN3模块具有UART功能模式，其最高可支持的通讯速率为1.5Mbps。
可以讲一下如何用恒温晶振锁定1pps吗？
使用恒温晶振（OCXO）来锁定1PPS（One Pulse Per Second）信号的过程，通常涉及到精准的时间频率同步技术。这里简述一种常见的应用场景和技术方案，比如在一个精密时钟同步系统中，通过GPS接收机或者其他高精度的时间源来驯服（ disciplining）恒温晶振：系统概述： GPS接收机接收到GPS卫星广播的时间信号，其中包括极其精确的1PPS脉冲信号，该信号代表UTC时间的整秒时刻。恒温晶振作为一个本地的频率基准源，其输出频率虽然相对稳定，但仍存在长期漂移和短期噪声。锁定步骤：信号捕获：首先，将GPS接收机产生的1PPS信号与本地恒温晶振产生的参考时钟信号进行比较。相位检测：使用锁相环（PLL, Phase-Locked Loop）或频率综合器（FLL, Frequency-Locked Loop）等电路结构，通过鉴相器（Phase Detector）来检测两个信号之间的相位差。频率调整：根据相位差信息，通过压控振荡器（VCO, Voltage-Controlled Oscillator）或直接通过晶振驱动电路来调整恒温晶振的输出频率，使其与GPS的1PPS信号严格同步。闭环控制：通过闭环控制系统，不断地调整和校正恒温晶振的输出频率，直到其与GPS信号的1PPS之间达到稳定的相位关系，也就是说，本地恒温晶振的每秒钟脉冲都与GPS的1PPS信号精确对齐。长期稳定：即使在GPS信号不可用的情况下，因为恒温晶振是在GPS信号的有效指导下进行了修正，所以它的频率漂移会大大减少，能够在一定时间内保持很高的频率稳定性，从而保证1PPS信号的长期精确度
Camera Module Exposure Time
The camera module exposure time is the time for which the sensor is exposed to light. It can be adjusted within a range of a few milliseconds to a few dozen milliseconds. This exposure is the brightness index of the image. The Auto Exposure (AE) function automatically adjusts the exposure according to the ambient brightness and IC register settings.
For Analog Audio Processors, For products with VOL and FADER, how can I use them to reduce output noise?
To reduce the output noise level, decrease the gain of the FADER in the second stage instead of the VOL in the first stage.
MY THERMAL PASTE IS DIFFICULT TO SPREAD OR COMES OFF THE SURFACE AGAIN. WHAT CAN I DO?
The surface should be thoroughly cleaned and free of grease before use. We recommend TG Remove or a similar cleaner such as acetone for cleaning. When applying, the thermal compound should be at least at room temperature. In winter, it can help to warm the thermal paste on a radiator or preheat the syringe slightly with a hairdryer. When applying the thermal paste, it is important to spread it very slowly. Avoid fast wiping movements at all costs. For a typical Intel or AMD CPU, a single wiping motion should take about 3 seconds. The slower the movement, the better the paste can be spread.
The local leakage exceeds the standard limit on Secondary Radiated Emission at reception. How should I deal with it?
The L of the RX matching circuit and the L of the VCO tank circuit might be placed parallel or close. Extend the distance and layout the Ls at right angles to one another. [Reference] Design Manual ML7396: Chapter 5.2, ML7344: Chapter 3.2, ML7406: Chapter 4.2, * The Design Manual can be downloaded from the Support Site. Account registration is needed in using the Support Site Related Products: ML7344/ML7406 family, ML7345 family, ML7396 family, ML7404, ML7414
What is the procedure for repeating the IQ adjustments twice or more?
When performing the second and subsequent IQ adjustments, restore IQ_MAG_ADJ[11:0]([IQ_MAG_ADJ_L: B0 0x5A(3-0)],[IQ_MAG_ADJ_L: B0 0x5B])=0x800,[IQ_PHASE_ADJ_H/L: B0 0x5C/5D]=0x0000, then start the adjustment. Related Products: ML7345 family, ML7404, ML7414
目前在评估瑞纳捷的RJM8L151S系统的单片机，需要确认一下关于RTC的问题，内置RTC最大分辨率是否只能以秒为单位？无法实现毫秒分辨率？
RTC的中断是秒为单位的，如果不作为万年历的话，可以通过设置RTC_SECOND_CNT寄存器，将对应的数值除以1000再配置实现毫秒级别，但一般不建议这么使用。RJM8L151S里面增加了一个LPtimer这可以实现低功耗下面的毫秒计数唤醒。
请问瑞纳捷的RJM8L151S，RTC最大分辨率是否只能以秒为单位？无法实现毫秒分辨率？
RTC的中断是秒为单位的，如果不作为万年历的话，可以通过设置RTC_SECOND_CNT寄存器，将对应的数值除以1000再配置实现毫秒级别，但一般不建议这么使用。 151S里面增加了一个LPtimer这可以实现低功耗下面的毫秒计数唤醒。
How can I use the debugger to verify that I have entered standby mode such as HALT mode or STOP mode?
It can be confirmed by the breakpoint break address and the break address due to the forced break. It is assumed that two NOPs are placed after the instruction to enter standby mode. (1) Set a breakpoint on the second NOP instruction immediately after the instruction to enter standby mode. (2) Execute the program. case 1: After entering to the standby mode, if the standby mode release condition is satisfied and the standby mode is released, a breakpoint break occurs. Case 2: If the break does not occur after a certain period of time, such as when the standby mode release condition is not satisfied, execute a forced break. In either case, if the break address is the address following the instruction that enters to standby mode, you can confirm that you have entered to standby mode. However, note that a break will occur in Case 1 even if the instruction to shift to standby mode is executed (the transition to standby mode was not performed) without satisfying the conditions for shifting to standby 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
WHAT HAPPENS IF I LOSE THE APPLICATOR?
All Thermal Grizzly thermal pastes containing 1.5ml or more include a second applicator as a replacement.
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