| Question content |
Reply content |
| Can the tools used to develop R8C be used to develop RL MCUs? |
What are the tools for developing R8C? For the development tools of RL78, please refer to the following link: https://www.renesas.com/us/en/products/microcontrollers-microprocessors/rl78-low-power-8-16-bit-mcus/software-tools |
| How many new features are there? |
G15: Small package, high temperature resistance, especially suitable for G22: All applications with touch function can be considered |
| Does it support IAR development? |
support |
| Has it started? |
here we go |
| Is there a development board? |
There is a development board |
| How high can the touch sensitivity be? |
Can be sensed with "10mm thick acrylic" or "wood" |
| What are the characteristics of these 16-bit microcontrollers? |
Small number of pins, small package, high temperature resistance, rich touch functions, rich development environment, etc. |
| What is the architecture of the RL78/G series MCU? |
CISC architecture, three-stage pipeline |
| How big is the difference in power consumption between G15 and G22? What are the differences in the application ranges they target? |
Operating current: |
| How big is the difference in power consumption between G15 and G22? What are the differences in the application ranges they target? |
G15: 54uA/MHZ, G22: 37.5uA/MHZ |
| Can the debugging environment use KEIL? |
The debugging environment can |
| Is the development software (compiler) free? |
Free evaluation version available |
| Can I use Keil to develop applications for RL78/G series microcontrollers? |
Can |
| What is the minimum package size? |
G15: 8-pin plastic WDFN (3 × 3 mm, 0.65-mm pitch) |
| Are there a variety of different packaging options for customers to choose from? |
Yes, there are various packaging forms. Please refer to the hardware manual of each MCU for details. |
| Is there a software integration package similar to FSP for the RL78 series microcontrollers? If so, does the integration package include commonly used middleware, such as wifi, etc.? |
Yes, Code Generator and Smart Configurator |
| Can it be developed using Keil? |
Can |
| By modifying the .xml configuration files of the following four modules and adding a subtag <group>RL78G22</group>, it can now be used |
Didn't understand the question |
| What’s the price/performance ratio? |
Very good! G15: covers 8-bit and 16-bit markets G22: meets the needs of the low-end market, requiring touch function |
| A few dollars |
There are many types of chips. Please consult the agents and Renesas sales for specific prices. |
| What are the most suitable scenarios for RL78/G MCUs? |
G15: Small package, high temperature resistance, especially suitable for G22: All applications with touch function can be considered |
| Is there any low power series with break-code LCD driver? |
Without |
| After installing the FT232RQ driver according to the instructions in the user manual, the device still does not appear when the USB is connected to the computer. Why is this? Are there any requirements for the USB cable? |
For detailed technical questions, please post them on the Chinese forum and describe more details to facilitate technical communication. https://community-ja.renesas.com/zh |
| Does the touch microcontroller support the touch screen interface? |
Not supported |
| What is used for simulation? |
Support E2lite, com port, ez-cube3 emulation |
| How much does the internal crystal oscillator change with temperature within the entire operating temperature range of the chip? Can it not exceed the 1% requirement? |
G15: G-version (-40 to 105℃, Industrial applications)；HOCO accuracy of ±1% at -20 to 85°C M-version (-40 to 125℃, Industrial applications)；HOCO accuracy of ±1% at -20 to 85°C |
| What is the lowest current that can be achieved for low power consumption? |
As low as uA level |
| The sample programs for RL78/G15 provided on the official website include sample programs for RL78/G23. Can the two be interchangeable, or do I need to make changes to the hardware configuration? |
If G23 is applicable, you can use it directly |
| Does it have capacitive touch button function? |
support |
| Is there any SDK software that is convenient for development and automatically generates code? |
You can use smart configurator to generate low-level driver code |
| What serial interfaces do the RL78/G series MCUs support? |
URAT、SPI、IIC |
| Can you support Keil software development, or something else? |
Can support keil |
| Where can I find detailed information about Renesas Electronics' latest 16-bit RL78/G series microcontrollers? Thank you |
There are manuals for each MCU on the Renesas official website: https://www.renesas.cn/cn/zh/products/microcontrollers-microprocessors/rl78-low-power-8-16-bit-mcus |
| Can the RL78/G15 VSS power supply pin be used for general-purpose I/O? |
Can't |
| What core is RL78 based on? |
Renesas' own core |
| Is the port 5V compatible? |
compatible |
| What development environments does the RL78/G15 support? Does it support IAR? |
IAR support |
| Which debugger do you use? |
e2 lite. com port, ez-cude3 |
| Does the development environment support IAR? |
Can |
| Can Jlink be used for debugging? |
Can't |
| RL78 can be used in some metering products such as electric water and gas meters, etc. |
Can |
| Is the G15 currently compatible with the existing RL78 series? |
Compatible |
| What software integrated development environments (IDEs) are supported by the RL78/G series MCUs? |
Renesas e2 studio, CS+, IAR, Keil |
| Are evaluation boards available for the RL78/G series microcontrollers? If so, how can I purchase one? |
Please contact Renesas sales and distributors |
| How many serial ports are there at most? |
Each MCU is different, please refer to the hardware manual for details |
| Does RL78/G22 support low power consumption function? |
Supports low power consumption modes such as STOP and Snooze |
| Does G22/G23 support vehicle-mounted environment? |
G22 and G23 are not automotive grade products |
| What are the parameters of materials and material thickness that can be detected by capacitive touch? |
Support glass, acrylic, wood, etc. The thickness is related to the electrode size |
| Where can I download the selection table? |
Official website or "Renesas MCU Guide" App |
| Are there any automotive grade products in the RL78/G series of microcontrollers? If so, which models are they? |
RL78/F |
| Are there any automotive grade products in the RL78/G series of microcontrollers? If so, which models are they? |
RL78/F is an automotive grade product |
| What operating systems are supported by the RL78/G series MCUs? |
Officially supports FreeRTOS and has reference examples. |
| How to get product brochures and samples? |
You can contact Renesas distributors |
| What factors are related to the sensitivity of capacitive touch? |
Related to electrode area, covering material, etc. |
| Is the touch sensitivity adjusted via software or hardware? |
Both hardware and software can be adjusted |
| Will the touch buttons be triggered by mistake? |
False triggering can be avoided through reasonable hardware wiring and software parameters |
| Support contactless touch? |
Supports contactless proximity sensing |
| Does 3D gestures have any requirements for waving speed? |
There is a requirement |
| What are the main factors that touch sensitivity depends on? |
Touch sensitivity depends on electrode size, wiring |
| Does the RL78/G series provide reference driver source code for each peripheral? Is it supported to generate peripheral driver source code using graphical configuration? |
Use Smart configurator to provide reference drivers for each peripheral, which can be configured graphically |
| What is the current operating voltage range of the RL78/G series? |
G22 operating voltage range: 1.6V-5.5V. G15 |
| What is the current operating voltage range of the RL78/G series? |
G15 operating voltage range: 2.4 to 5.5 V |
| How much current is consumed in low power mode? |
In low power mode, the current is as low as uA level |
| After installing the FT232RQ driver according to the instructions in the user manual, the device still does not appear when the USB is connected to the computer. Why is this? Are there any requirements for the USB cable? |
For detailed technical questions, please seek support through the Chinese forum: https://community-ja.renesas.com/zh |
| Please send me the training PPT, thank you, I missed some parts in the middle |
A replay video will be generated after the live broadcast and training materials will also be provided. |
| Does the security library software need to be placed in the MCU? |
need |
| How many touch points does the touch support at most? |
RL78G22 supports up to 48 touch channels |
| Can I apply for use of this kit development board? |
Contact Renesas Distributor |
| Is it not necessary to connect an emulator when using the G22 development board? |
Most development boards have onboard debuggers, so no external debugger is required. |
| Where can I buy the touch kit development board? |
Contact Renesas Distributor |
| How thick of plastic can touch penetrate? Are there any requirements for the surface material? |
Depends on the area of the electrode, the larger the area, the thicker the supported covering |
| Does RL78 support differential patch upgrades? |
Not supported |
| Do you support KEIL? |
support |
| What packaging forms are available? |
HWQFN,LFQFP,LQFP,LSSOP,WFLGA |
| How to apply for a touch kit development board? |
Contact Renesas Distributor |
| Does the touch development kit support Hurong touch? |
Not supported |
| Does the touch development kit support mutual capacitive touch? |
The touch development kit does not currently support mutual tolerance |
| How many capacitive touch channels does the RL78/G series touch MCU support at most? |
RL78G22 supports up to 48 touch channels |
| Does the RL78 G15/G22 have a CAN or LIN interface? |
No |
| What materials can be used to cover the surface that is touched? Can a facial mask be used? |
Supports insulating covering materials such as glass and acrylic |
| Do G15 and G22 support Renesas' ELC function? |
Support ELC function |
| Which one has higher running speed, 8-bit or 16-bit? Can it replace 51? |
RL |
| Which one has higher running speed, 8-bit or 16-bit? Can it replace 51? |
RL78 is a 16-bit MCU |
| What peripheral functions can RL78/G15 currently support? |
UART |
| What peripheral functions can RL78/G15 currently support? |
UART, SPI, IIC, ADC, Comparator, Timer, WDT |
| What is the instruction format of SNOOZE? How to program it specifically? |
Snooze is a low power mode, please refer to the APPN on Renesas official website |
| What is the smallest package size currently supported by G15? |
4.4X |
| What is the smallest package size currently supported by G15? |
4.4x3.6x1.45mm LSSOP |
| For waterproof touch buttons, is the mutual capacitance mode or the self-capacitance mode used in the handout? |
Mutual capacitance itself supports waterproof function, and self-capacitance has waterproof function through active shield function |
| Which Renesas MCU models does Smart Configurator support? |
All Renesas MCU series support intelligent configurator |
| Does the RL78 prototyping board have an onboard emulator? Do I need to purchase additional debugging tools? |
Can be simulated through the onboard Com port, do not buy other debugging tools |
| Can the tools used to develop R8C be used to develop RL78 MCU? |
What are the tools for developing R8C? For the development tools of RL78, please refer to the following link: https://www.renesas.com/us/en/products/microcontrollers-microprocessors/rl78-low-power-8-16-bit-mcus/software-tools |
| Where can I buy the evaluation version? |
Contact Renesas Distributor |
| Are there DIP packages? |
No |
| Is there any software that automatically generates the underlying code? |
有，smart configurator |
| Is the anti-interference performance guaranteed? |
Guaranteed |
| Are there any requirements or recommendations on the size and material of the capacitor that needs to be connected to the tscap pin? |
Please refer to the design of the development board |
| We can provide G15, G22, G23 development boards for free. |
Contact Renesas Distributor |
| What are the commonly used materials for touch panels? |
Acrylic, glass, etc. |
| Can it be used in the automotive field? How to improve anti-interference ability |
RL78/G series non-automotive products |
| What is the maximum distance of contactless touch? |
Depends on the area of the electrode. The larger the electrode area, the greater the non-contact distance supported. |
| Official website address? |
www.renesas.com |
| What RTOS are supported? Is the SDK open source? |
Support freertos, with reference mileage |
| Are the ctsu2la and ctsu in the lecture notes two working modes or two generations of peripherals? |
Two generations of IP at CTSU |
| Does RL78/G15 support MEC function? If yes, is there any reference for specific external circuit design? |
Not supported |
| Does the RL78 have a serial number? |
No |
| Can self-contained method be waterproof? |
Self-contained mode can achieve waterproof through Active shield function |
| Can I apply to have some materials mailed to me? How can I contact you? |
Contact Renesas Distributor |
| Is the ID fixed in the MCU? |
Yes |
| What packaging forms are available? |
HWQFN,LFQFP,LQFP,LSSOP,WFLGA |
| What are the technical support channels for Renesas? |
Renesas sales, agents, Chinese forum ( https://community-ja.renesas.com/zh ) |
| How many touch points are supported at most? |
RL |
| How many touch points are supported at most? |
RL78G22 supports up to 48 touch channels |
| Is there any example for Keil development environment? |
Not yet |
| Where can I buy the kit? |
Contact Renesas Distributor |
| How can I get an RL78/G22 development board? |
Contact Renesas Distributor |
| What can the touch development board be used for? |
There are 3 buttons, 1 slider, and 1 wheel on the development board. |
| What development tools are supported? |
e2 studio,keil,IAR |
| Can the Linux system be configured with a development environment? |
No Linux support |
| What screen does the touch feature use? |
No touch screen support |
| How to configure touch screen for RL78/G series touch MCU? |
You can download the relevant APPN from the Renesas official website |
| Is there any example program that is compatible with IDE? |
Can be downloaded from Renesas official website |
| Can you briefly introduce e2 studio? This is my first time seeing it. |
e2studio is an integrated development environment for Renesas MCUs. Please refer to the following link: https://www.renesas.cn/cn/zh/software-tool/e-studio |
| Is there a detailed development guide? |
Renesas official website has a wealth of APPN for reference |
| Can the Intelligent Configuration Tool be installed on lower versions of WIN7? |
Can |
| The main promotion is the e2studio development environment? |
Yes |
| How many serial ports does G15 have? |
Simplified SPI (CSINote 1): 1 to 2 channels UART: 1 channel Simplified I2C: 1 to 2 channels I2C: 1 channel |
| Are there any requirements for spacer materials for capacitive touch? |
No special requirements |
| How long is the sample update cycle for RL78/G22 and RL78/G15? |
You can subscribe to updates on the official website |
| How much power consumption can be reduced by combining MEC function and SNOOZE mode? |
As low as UA level |
| MEC function can connect multiple external touch buttons. Is there any reference for the specific external circuit design? |
The MEC function is to connect multiple electrodes together inside the MCU. |
| What is the difference between SNOOZE mode and traditional low-power mode, and how fast does the MCU wake up? |
Compared with the Snooze mode and the Stop mode, some MCU |
| What is the difference between SNOOZE mode and traditional low-power mode, and how fast does the MCU wake up? |
Compared with STOP mode, some specific MCU peripherals can work in SNooze mode. |
| Is the touch mode capacitive or inductive? |
Capacitive |
| Are there any automotive-grade chips in the RL78/G series? |
The G series is not used for automotive grade products, and the F series is used for automotive grade products |
| The MEC function was not mentioned in this live broadcast. Will it be mentioned later? I saw an introductory video on the official website. |
Please contact Renesas sales or agents for feedback and we will arrange it later. |
| What is the maximum operating temperature range of the 16-bit RL78/G series microcontrollers? |
-45°C ~ 125°C |
| Are there any Renesas development training intensive courses suitable for new employees in the company? |
There is no arrangement at the moment. If you need any, please contact Renesas sales and agents. |
| Does RL78 support DMA? |
Some chips support DTC |
| Are there 3D gestures? |
have |
| How to contact an agent? |
Refer to the following link - https://www.renesas.cn/cn/zh/buy-sample/locations |
| Is there a good optimization method for false triggering? |
It can be optimized through hardware wiring and software. Please refer to APPN, Capacitive Sensor Microcontrollers CTSU Capacitive Touch Electrode Design Guide Rev.2.00 on the Renesas official website. |
| Can the RL78 software code and development environment be downloaded from the official website? |
Can download |
| Is RL78/G used in automotive applications? |
The G series is not used for automotive grade products, and the F series is used for automotive grade products |
| What are the low-power modes of the G15? Can it be awakened by touching a button? |
Low power consumption modes such as STOP and Snooze cannot be awakened by touching a button |
| How many bits does the RL78 series ADC use? |
10-bit, 8-bit |
| Is there any technical support? |
Yes, you can get technical support through Renesas sales or agents, or post technical questions to the Chinese forum ( https://community-ja.renesas.com/zh ) |
| Why is the RZ/T series not publicly promoted in the LiChuang Mall? |
Currently, Renesas is working closely with Lichuang Mall and will have plans in the future. |
| Does the G15 8PIN MCU support three-way PWM output? |
Yes, there are TO00, TO01 and TO02 |
| Is there a Chinese specification? |
Not yet |
| What is the minimum standby sleep current? |
As low as uA level |
| Does it support AB partition upgrade? |
support |
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