Description
The R8C/26 Group is supported only for customers who have already adopted these products. The RL78/G14 Group is recommended for new designs.
These MCUs are fabricated using a high-performance silicon gate CMOS process, embedding the R8C/Tiny Series CPU core, and are packaged in a 52-pin molded-plastic LQFP or a 64-pin molded-plastic FLGA. It implements sophisticated instructions for a high level of instruction efficiency. With 1Mb of address space, they are capable of executing instructions at high speed. Furthermore, the R8C/25 Group has on-chip data flash (1KB x 2 blocks). The difference between the R8C/24 Group and R8C/25 Group is only the presence or absence of data flash. Their peripheral functions are the same.
Applications
- Electronic Household Appliances
- Office Equipment
- Audio Equipment
- Consumer Products
| Part Number | Status | Samples | Stock | RoHS | Package | Budgetary Price (USD) | RAM (KB) | Lead Count (#) | Temp. Range (°C) | Country of Assembly | Country of Wafer Fabrication |
|---|---|---|---|---|---|---|---|---|---|---|---|
| R5F21262SDFP#V2 | NRND | N/A | In Stock | Contact | LQFP | 1ku | $3.27 | 0.5KB | 32# | -40 to +85 | CHINA | JAPAN |
| R5F21262SDFP#X6 | NRND | N/A | Out of Stock | Contact | LQFP | 0.5KB | 32# | -40 to +85 | |||
| R5F21262SNFP#V2 | NRND | N/A | Out of Stock | Contact | LQFP | 1ku | $4.6 | 0.5KB | 32# | -20 to +85 | CHINA | JAPAN |
| R5F21262SNFP#X6 | NRND | N/A | Out of Stock | Contact | LQFP | 0.5KB | 32# | -20 to +85 | |||
| R5F21264JFP#U0 | Obsolete | N/A | Out of Stock | Contact | LQFP | 1KB | 32# | -40 to +85 | |||
| R5F21264JFP#W4 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 1KB | 32# | -40 to +85 | |||
| R5F21264KFP#U0 | Obsolete | N/A | Out of Stock | Contact | LQFP | 1KB | 32# | -40 to +125 | |||
| R5F21264KFP#W4 | Obsolete | N/A | Out of Stock | Contact | LQFP | 1KB | 32# | -40 to +125 | |||
| R5F21264SDFP#V2 | NRND | N/A | Out of Stock | Contact | LQFP | 1ku | $3.6 | 1KB | 32# | -40 to +85 | CHINA | JAPAN |
| R5F21264SDFP#X6 | NRND | N/A | Out of Stock | Contact | LQFP | 1KB | 32# | -40 to +85 | |||
| R5F21264SNFP#V2 | NRND | N/A | Out of Stock | Contact | LQFP | 1ku | $3.46 | 1KB | 32# | -20 to +85 | CHINA | JAPAN |
| R5F21264SNFP#X6 | Obsolete | N/A | Out of Stock | Contact | LQFP | 1KB | 32# | -20 to +85 | |||
| R5F21265SDFP#V2 | Obsolete | N/A | In Stock | Contact | LQFP | 1.5KB | 32# | -40 to +85 | |||
| R5F21265SDFP#X6 | Obsolete | N/A | Out of Stock | Contact | LQFP | 1.5KB | 32# | -40 to +85 | |||
| R5F21265SNFP#V2 | NRND | N/A | In Stock | Contact | LQFP | 1ku | $3.6 | 1.5KB | 32# | -20 to +85 | CHINA | JAPAN |
| R5F21265SNFP#X6 | NRND | N/A | Out of Stock | Contact | LQFP | 1ku | $4.29 | 1.5KB | 32# | -20 to +85 | CHINA | JAPAN |
| R5F21266JFP#U0 | Obsolete | N/A | Out of Stock | Contact | LQFP | 1.5KB | 32# | -40 to +85 | |||
| R5F21266JFP#W4 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 1.5KB | 32# | -40 to +85 | |||
| R5F21266KFP#U0 | Obsolete | N/A | In Stock | RoHS:EN RoHS:JA | LQFP | 1.5KB | 32# | -40 to +125 | |||
| R5F21266KFP#W4 | Obsolete | N/A | Out of Stock | Contact | LQFP | 1.5KB | 32# | -40 to +125 | |||
| R5F21266SDFP#V2 | NRND | N/A | In Stock | Contact | LQFP | 1ku | $3.88 | 1.5KB | 32# | -40 to +85 | CHINA | JAPAN |
| R5F21266SDFP#X6 | NRND | N/A | Out of Stock | Contact | LQFP | 1.5KB | 32# | -40 to +85 | |||
| R5F21266SNFP#V2 | NRND | N/A | Out of Stock | Contact | LQFP | 1ku | $4.56 | 1.5KB | 32# | -20 to +85 | CHINA | JAPAN |
| R5F21266SNFP#X6 | NRND | N/A | Out of Stock | Contact | LQFP | 1.5KB | 32# | -20 to +85 |
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- Application NoteAI-generated Summary: The document explains how to implement single master control communication using the R8C/35C Group EC bus interface to issue a restart condition. It demonstrates sending and receiving data with a digital color sensor (S11059-02DT) by alternating master transmission and reception. The restart condition allows switching data direction without issuing a stop condition, complying with I²C protocol standards such as 7-bit slave addressing, approximately 357 kHz transfer rate, and single master communication.Related Files:
- Product Change Notice
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- Application NoteAI-generated Summary: The document explains how to register and uninstall Call Walker within the High-performance Embedded Workshop (HEW). It guides users to launch HEW without opening a workspace, access the Tools Administration menu, and register the Call Walker tool by specifying the registration file path. After registration, Call Walker version 2.3 appears in the menu. Upon uninstalling HEW, users must manually delete the remaining Call Walker directory. It also provides Renesas Electronics website and contact information for support. The revision history notes the first edition release date.
- Technical Update
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- Application NoteAI-generated Summary: The document specifies the serial communication protocols for the R8C/1x and 2x Series microcontrollers in standard serial I/O modes 2 and 3. It details boot program operations including initial settings, communication with a serial programmer, and control commands for flash memory. Communication formats are asynchronous, with defined data transfer structures. Pin assignments and connection examples for both modes are provided. Initial settings cover selecting communication mode based on the MODE pin level after reset and adjusting the bit rate to 9600 bps through a defined handshake process with the serial programmer.
- DatasheetR8C/26, R8C/27 Group DatasheetRECOMMENDED
Recommended Documents (1)
- DatasheetR8C/26, R8C/27 Group DatasheetRECOMMENDED
Datasheets (1)
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- Guide
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Manuals & Guides (5)
- Application NoteAI-generated Summary: The document explains how to implement single master control communication using the R8C/35C Group EC bus interface to issue a restart condition. It demonstrates sending and receiving data with a digital color sensor (S11059-02DT) by alternating master transmission and reception. The restart condition allows switching data direction without issuing a stop condition, complying with I²C protocol standards such as 7-bit slave addressing, approximately 357 kHz transfer rate, and single master communication.Related Files:
- Application NoteAI-generated Summary: The document explains how to register and uninstall Call Walker within the High-performance Embedded Workshop (HEW). It guides users to launch HEW without opening a workspace, access the Tools Administration menu, and register the Call Walker tool by specifying the registration file path. After registration, Call Walker version 2.3 appears in the menu. Upon uninstalling HEW, users must manually delete the remaining Call Walker directory. It also provides Renesas Electronics website and contact information for support. The revision history notes the first edition release date.
- Application NoteAI-generated Summary: The document specifies the serial communication protocols for the R8C/1x and 2x Series microcontrollers in standard serial I/O modes 2 and 3. It details boot program operations including initial settings, communication with a serial programmer, and control commands for flash memory. Communication formats are asynchronous, with defined data transfer structures. Pin assignments and connection examples for both modes are provided. Initial settings cover selecting communication mode based on the MODE pin level after reset and adjusting the bit rate to 9600 bps through a defined handshake process with the serial programmer.
- Application NoteAI-generated Summary: The R8C/25 Group Timer RA operates in Timer Mode by counting an internally generated source with decrement operation. It reloads the count from a register upon underflow and supports programmable divide ratios. The timer starts and stops via specific bits in the TRACR register, and generates interrupts on underflow. Key registers include TRACR, TRAIOC, TRAMR, TRAPRE, and TRA, which control timer operation, I/O functions, mode selection, prescaler, and count values. Writing to these registers affects timer behavior depending on whether counting is active or stopped.Related Files:
- Application NoteAI-generated Summary: The document explains the Timer RA operation in Pulse Output Mode for the R8C/25 Group. It details how the timer counts an internal source and outputs pulses with inverted polarity on underflow. Key registers such as TRACR, TRAIOC, TRAMR, TRAPRE, and TRA control timer start/stop, output polarity, count source, and prescaler settings. The document also covers interrupt generation, pin functions, and register behaviors during count operations.Related Files:View More (146)
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- 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 for M16C and H8 families. Available as a flash memory programmer for M16C and 740(QzROM) families also by using with Flash Development Toolkit. Note that the H8 family MCUs support the debugging features and that the 740 family MCUs support only the programming features. * Successor : E8a
- EmulatorOn-Chip Debugging Emulator for R8C, M16C, H8S, H8 and 740 families. E8a is also used as a device programmer for Renesas microcomputers. This product is E8 emulator's successor.
- EmulatorEmulator for M16C Family [Overseas Standards Compliant]. Support for all operating frequencies of M16C.
- Programmer (Unit/SW)On-chip debugging emulator available as a flash memory programmer [Available flash programming software: Flash Development Toolkit]
- 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)Connected with a Flash Programmer, these IC Socket Boards enable reprogramming of the on-chip Memory before mounting.
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- 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 for M16C and H8 families. Available as a flash memory programmer for M16C and 740(QzROM) families also by using with Flash Development Toolkit. Note that the H8 family MCUs support the debugging features and that the 740 family MCUs support only the programming features. * Successor : E8a
- EmulatorOn-Chip Debugging Emulator for R8C, M16C, H8S, H8 and 740 families. E8a is also used as a device programmer for Renesas microcomputers. This product is E8 emulator's successor.View More (26)
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