Description
The R8C/L38C Group is supported only for customers who have already adopted these products. The RL78/L13, RL78/L1C Groups are recommended for new designs.
The R8C/L35M Group, R8C/L36M Group, R8C/L38M Group, and R8C/L3AM Group of single-chip MCUs incorporate the R8C CPU core, which implements a powerful instruction set for a high level of efficiency and supports a 1Mb address space, allowing execution of instructions at high speed. In addition, the CPU core integrates a multiplier for high-speed operation processing.
Power consumption is low, and the supported operating modes allow additional power control. These MCUs are designed to maximize EMI/EMS performance. Integration of many peripheral functions, including multifunction timer and serial interface, helps reduce the number of system components. These groups have data flash (1KB × 4 blocks) with the background operation (BGO) function.
Parameters
| Attributes | Value |
|---|---|
| Bit Size | 16 |
| Program Memory (KB) | 96 |
| RAM (KB) | 10 |
| Operating Freq (Max) (MHz) | 20 |
| CPU | R8C |
| RTC | Yes |
| LVD or PVD | Yes |
| DMA | No |
| I/O Ports | 68 |
| Timer | 8-bit x 3-ch, 16-bit x 4-ch |
| PWM | No |
| ADC | 8-bit x 16-ch, 10-bit x 16-ch |
| DAC | 8-bit x 2-ch |
| Ethernet | No |
| Human Machine Interface | LCD Segment Count x 352 |
| Temp. Range (°C) | -40 to +85 |
Package Options
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| LFQFP | 12 x 12 x 1.7 | 80 | 0.5 |
Applications
- Household Appliances
- Office Equipment
- Audio Equipment
- Consumer Products
| Part Number | Status | Samples | Longevity | Stock | RoHS | Package | Budgetary Price (USD) | RAM (KB) | Lead Count (#) | Temp. Range (°C) | Country of Assembly | Country of Wafer Fabrication |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| R5F2L38ACNFP#31 | Preview | N/A | Out of Stock | Contact | LFQFP | 10KB | 80# | -40 to +85 | ||||
| R5F2L387CDFA#V0 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 6KB | 80# | -40 to +85 | |||
| R5F2L387CDFA#V1 | NRND | N/A | Out of Stock | Contact | LQFP | 6KB | 80# | -40 to +85 | ||||
| R5F2L387CDFP#30 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LFQFP | 6KB | 80# | -40 to +85 | ||||
| R5F2L387CDFP#31 | NRND | N/A | Out of Stock | Contact | LFQFP | 1ku | $4.69 | 6KB | 80# | -40 to +85 | CHINA | JAPAN | |
| R5F2L387CDFP#V2 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LFQFP | 6KB | 80# | -40 to +85 | ||||
| R5F2L387CNFA#V0 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 6KB | 80# | -20 to +85 | |||
| R5F2L387CNFA#V1 | NRND | N/A | Out of Stock | Contact | LQFP | 6KB | 80# | -20 to +85 | ||||
| R5F2L387CNFP#30 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LFQFP | 6KB | 80# | -40 to +85 | ||||
| R5F2L387CNFP#31 | NRND | N/A | Out of Stock | Contact | LFQFP | 1ku | $4.44 | 6KB | 80# | -40 to +85 | CHINA | JAPAN | |
| R5F2L387CNFP#V2 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LFQFP | 6KB | 80# | -40 to +85 | ||||
| R5F2L388CDFA#V0 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 8KB | 80# | -40 to +85 | |||
| R5F2L388CDFA#V1 | NRND | N/A | Out of Stock | Contact | LQFP | 8KB | 80# | -40 to +85 | ||||
| R5F2L388CDFP#30 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LFQFP | 8KB | 80# | -40 to +85 | ||||
| R5F2L388CDFP#31 | Obsolete | N/A | Out of Stock | Contact | LFQFP | 8KB | 80# | -40 to +85 | ||||
| R5F2L388CDFP#V2 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LFQFP | 8KB | 80# | -40 to +85 | ||||
| R5F2L388CNFA#V0 | NRND | N/A | Out of Stock | Contact | LQFP | 1ku | $5.59 | 8KB | 80# | -20 to +85 | JAPAN | JAPAN | |
| R5F2L388CNFA#V1 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 1ku | $5.11 | 8KB | 80# | -20 to +85 | JAPAN | JAPAN |
| R5F2L388CNFP#30 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LFQFP | 8KB | 80# | -40 to +85 | ||||
| R5F2L388CNFP#31 | Obsolete | N/A | Out of Stock | Contact | LFQFP | 8KB | 80# | -40 to +85 | ||||
| R5F2L388CNFP#V2 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LFQFP | 8KB | 80# | -40 to +85 | ||||
| R5F2L38ACDFA#V0 | Obsolete | N/A | Out of Stock | Contact | LQFP | 1ku | $5.92 | 10KB | 80# | -40 to +85 | JAPAN | JAPAN | |
| R5F2L38ACDFA#V1 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 10KB | 80# | -40 to +85 | |||
| R5F2L38ACDFP#30 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LFQFP | 10KB | 80# | -40 to +85 | ||||
| R5F2L38ACDFP#31 | NRND | N/A | Out of Stock | Contact | LFQFP | 10KB | 80# | -40 to +85 | ||||
| R5F2L38ACDFP#V2 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LFQFP | 10KB | 80# | -40 to +85 | ||||
| R5F2L38ACNFA#V0 | NRND | N/A | Out of Stock | Contact | LQFP | 1ku | $5.83 | 10KB | 80# | -20 to +85 | JAPAN | JAPAN | |
| R5F2L38ACNFA#V1 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 1ku | $5.3 | 10KB | 80# | -20 to +85 | JAPAN | JAPAN |
| R5F2L38ACNFP#30 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LFQFP | 10KB | 80# | -40 to +85 | ||||
| R5F2L38ACNFP#V2 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LFQFP | 10KB | 80# | -40 to +85 | ||||
| R5F2L38CCDFA#V0 | Obsolete | N/A | Out of Stock | Contact | LQFP | 10KB | 80# | -40 to +85 | ||||
| R5F2L38CCDFA#V1 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 10KB | 80# | -40 to +85 | |||
| R5F2L38CCDFP#30 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LFQFP | 10KB | 80# | -40 to +85 | ||||
| R5F2L38CCDFP#31 | NRND | N/A | Out of Stock | Contact | LFQFP | 1ku | $5.11 | 10KB | 80# | -40 to +85 | CHINA | JAPAN | |
| R5F2L38CCDFP#V2 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LFQFP | 10KB | 80# | -40 to +85 | ||||
| R5F2L38CCNFA#V0 | Obsolete | N/A | In Stock | Contact | LQFP | 1ku | $6.04 | 10KB | 80# | -20 to +85 | JAPAN | JAPAN | |
| R5F2L38CCNFA#V1 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 10KB | 80# | -20 to +85 | |||
| R5F2L38CCNFP#30 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LFQFP | 10KB | 80# | -40 to +85 | ||||
| R5F2L38CCNFP#31 | NRND | N/A | Out of Stock | Contact | LFQFP | 1ku | $5 | 10KB | 80# | -40 to +85 | CHINA | JAPAN | |
| R5F2L38CCNFP#V2 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LFQFP | 10KB | 80# | -40 to +85 |
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- Tool News - Note
- Application Note
- Application NoteAI-generated Summary: Timer RG supports timer mode (input capture and output compare), PWM mode, and phase counting mode in both R8C/36M and RL78/G14. Input capture transfers TRG register values on input edges, while output compare outputs signals at specified levels. PWM mode outputs waveforms with adjustable duty cycles. Phase counting mode measures counts from two-phase encoders. Migration from R8C/36M to RL78/G14 is feasible due to identical operation modes, with sample codes and application notes available for reference.Related Files:
- Application NoteAI-generated Summary: The document explains the differences in flash memory functions between the R8C/36M Group and RL78/G14. It outlines the flash memory map and rewrite modes of the R8C/36M Group, including CPU rewrite mode, standard serial I/O mode, and parallel MO mode. The user ROM area is divided into blocks and can be rewritten using different methods, such as software commands from the CPU or external programmers. The boot ROM area stores the standard boot program for serial I/O rewriting.
- Application NoteAI-generated Summary: The document explains how to migrate from the R8C/36M Group's Timer RA to the RL78/G14's Timer RJ, covering five operational modes: timer mode, pulse output mode, event counter mode, pulse width measurement mode, and pulse period measurement mode. Timer RA is an 8-bit timer with an 8-bit prescaler, while Timer RJ is a 16-bit timer with a reload register and down counter. Both timers support equivalent functions, including counting internal or external pulses and measuring pulse width or period. The guide details hardware configurations, software descriptions, option byte settings, function specifications, and flow charts for each mode.Related Files:
- Application NoteAI-generated Summary: The document details how to migrate timer RD functions from the R8C/36M group to the RL78/G14 family. It compares timer modes, including timer, PWM, reset synchronous PWM, complementary PWM, and PWM3 modes, explaining their functions and differences. RL78/G14 supports similar modes with slight functional enhancements, such as an added PWM function in timer mode. Differences in count sources, forced pulse output cutoff methods, and pin state settings during forced cutoff are also outlined.
- Application NoteAI-generated Summary: The document explains how to migrate the reset function from the R8C/36M group to the RL78/G14 family. It compares the reset types of both families, showing that RL78/G14 supports more reset types. It details the correspondence between reset functions and highlights differences in reset behavior, such as clock settings and protection states after reset. The guide also specifies conditions for hardware reset via the RESET pin for both groups, emphasizing timing and voltage requirements.
- Application NoteAI-generated Summary: This guide explains how to migrate I2C bus interface communication from the R8C/36M group to the RL78/G14 using the serial interface ICA. It compares operation modes, highlighting differences in transfer clock settings and communication formats. The RL78/G14 supports three modes including operation stop, I2C bus, and wakeup mode, while the R8C/36M supports EC bus and clock synchronous serial modes. Key differences include pin configurations, interrupt functions, and noise cancellation methods.
- Application NoteAI-generated Summary: The document explains how to migrate synchronous serial communication from the R8C/36M group's SSU to the RL78/G14's SAU. It details the operation modes of both units, showing that the R8C/36M's clock synchronous and 4-wire bus communication modes correspond to the RL78/G14's 3-wire serial I/O (CSI) mode. The chip select line functions differ slightly but are implemented via digital I/O ports or SSIOO pins on the RL78/G14. Sample code focuses on migrating the 4-wire bus mode.Related Files:
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- Application Note
- Application NoteAI-generated Summary: Timer RG supports timer mode (input capture and output compare), PWM mode, and phase counting mode in both R8C/36M and RL78/G14. Input capture transfers TRG register values on input edges, while output compare outputs signals at specified levels. PWM mode outputs waveforms with adjustable duty cycles. Phase counting mode measures counts from two-phase encoders. Migration from R8C/36M to RL78/G14 is feasible due to identical operation modes, with sample codes and application notes available for reference.Related Files:
- Application NoteAI-generated Summary: The document explains the differences in flash memory functions between the R8C/36M Group and RL78/G14. It outlines the flash memory map and rewrite modes of the R8C/36M Group, including CPU rewrite mode, standard serial I/O mode, and parallel MO mode. The user ROM area is divided into blocks and can be rewritten using different methods, such as software commands from the CPU or external programmers. The boot ROM area stores the standard boot program for serial I/O rewriting.
- Application NoteAI-generated Summary: The document explains how to migrate from the R8C/36M Group's Timer RA to the RL78/G14's Timer RJ, covering five operational modes: timer mode, pulse output mode, event counter mode, pulse width measurement mode, and pulse period measurement mode. Timer RA is an 8-bit timer with an 8-bit prescaler, while Timer RJ is a 16-bit timer with a reload register and down counter. Both timers support equivalent functions, including counting internal or external pulses and measuring pulse width or period. The guide details hardware configurations, software descriptions, option byte settings, function specifications, and flow charts for each mode.Related Files:
- Application NoteAI-generated Summary: The document details how to migrate timer RD functions from the R8C/36M group to the RL78/G14 family. It compares timer modes, including timer, PWM, reset synchronous PWM, complementary PWM, and PWM3 modes, explaining their functions and differences. RL78/G14 supports similar modes with slight functional enhancements, such as an added PWM function in timer mode. Differences in count sources, forced pulse output cutoff methods, and pin state settings during forced cutoff are also outlined.View More (174)
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- IDE and Coding ToolAdd new CPU types to the compiler package (for High-performance Embedded Workshop V4 or later)
- IDE and Coding ToolRenesas integrated development environment (IDE) (for SuperH, RX, R8C, M32R, M16C, H8SX, H8S, H8, and 740 families).
- Compiler/AssemblerC/C++ Compiler Package for R8C Family and M16C Family (R32C/M32C/M16C) , * Packed the following three compiler packages : [Content] C Compiler Package for R32C Series, C Compiler Package for M32C Series [M3T-NC308WA], and C/C++ Compiler Package for M16C Series and R8C Family [M3T-NC30WA]. They are bundled with the simulator debugger and High-performance Embedded Workshop.
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- Programmer (Unit/SW)On-chip debugging emulator available as a flash memory programmer [Available flash programming software: Renesas Flash Programmer or Flash Development Toolkit] [Support MCU/MPU and devices: RX, RL78, RH850, V850, 78K0R, 78K0, R8C, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver]
- Programmer (Unit/SW)On-chip debugging emulator available as a flash memory programmer [Available flash programming software: Renesas Flash Programmer or Flash Development Toolkit] [Support MCU/MPU and devices: RX, RL78, RH850, V850, 78K0R, 78K0, R8C, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver]
- Programmer (Unit/SW)On-chip debugging emulator available as a flash memory programmer [Available flash programming software: Flash Development Toolkit] [Support MCU/MPU and devices: SuperH RISC engine, R8C, M16C, H8SX, H8S, H8, 740]
- Programmer (Unit/SW)Flash memory programming software. [Support MCU/MPU and devices: SuperH RISC engine, RX, R8C, M16C, H8SX, H8S, H8, 740]
- Programmer (Unit/SW)Flash memory programmer [Programming software: Dedicated GUI-based software, the "FP6 Terminal"] [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, RISC-V MCU, Renesas Synergy, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, SuperH RISC engine, V850, 78K, R8C]
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- IDE and Coding ToolAdd new CPU types to the compiler package (for High-performance Embedded Workshop V4 or later)
- IDE and Coding ToolRenesas integrated development environment (IDE) (for SuperH, RX, R8C, M32R, M16C, H8SX, H8S, H8, and 740 families).
- Compiler/AssemblerC/C++ Compiler Package for R8C Family and M16C Family (R32C/M32C/M16C) , * Packed the following three compiler packages : [Content] C Compiler Package for R32C Series, C Compiler Package for M32C Series [M3T-NC308WA], and C/C++ Compiler Package for M16C Series and R8C Family [M3T-NC30WA]. They are bundled with the simulator debugger and High-performance Embedded Workshop.
- EmulatorOn-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RH850, RL78, RX, V850, 78K0R, 78K0, R8C]View More (27)
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Knowledge Base
-
(R8C) Are there any hardware precautions for accurate A/D conversion?
In order to perform A/D conversion, it is necessary to fully charge the internal capacitor, but if the impedance of the A/D conversion target is high, the discharge and charge will take time and the conversion value will not be accurate. For correct A/D ...
Jun 19, 2006 -
Can a parallel programmer verify the program in condition the ROM code protect is enabled?
The ROM code protect is enabled at the first MCU reset after setting the ROM code protect function. If there is no reset after writing the program, the program can be verified. Contact the parallel programmer manufacturer for programmer specifications.
Dec 26, 2017 -
Are the contents of RAM still retained when stop mode resets?
If the Vcc is maintained above the RAM retention voltage VRAM or higher, the contents of the RAM will be retained even when the stop mode is released by reset. Please refer to the Hardware Manual for more details.
Feb 14, 2006
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