Description
The R8C/33C Group is supported only for customers who have already adopted these products.
The R8C/33C Group of single-chip MCUs incorporates the R8C CPU core, employing sophisticated instructions for a high level of efficiency. With 1Mb of address space, and it is capable of executing instructions at high speed. In addition, the CPU core boasts 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, reduces the number of system components. The R8C/33C Group has data flash (1KB × 4 blocks) with the background operation (BGO) function.
Applications
- Electronic Household Appliances
- Office Equipment
- Audio Equipment
- Consumer Equipment
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| R5F21331CDFP#30 | NRND | N/A | 2029 Jan | In Stock | Contact | LQFP | 1ku | $2.27 | 0.5KB | 32# | -40 to +85 | CHINA | JAPAN |
| R5F21331CDFP#50 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 0.5KB | 32# | -40 to +85 | ||||
| R5F21331CDFP#51 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 0.5KB | 32# | -40 to +85 | |||
| R5F21331CDFP#V2 | Obsolete | N/A | In Stock | RoHS:EN RoHS:JA | LQFP | 0.5KB | 32# | -40 to +85 | ||||
| R5F21331CDFP#X6 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 0.5KB | 32# | -40 to +85 | ||||
| R5F21331CNFP#30 | NRND | N/A | 2029 Jan | In Stock | Contact | LQFP | 1ku | $2.38 | 0.5KB | 32# | -20 to +85 | CHINA | JAPAN |
| R5F21331CNFP#50 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 0.5KB | 32# | -20 to +85 | ||||
| R5F21331CNFP#51 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 0.5KB | 32# | -20 to +85 | |||
| R5F21331CNFP#V2 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 0.5KB | 32# | -20 to +85 | ||||
| R5F21331CNFP#X6 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 0.5KB | 32# | -20 to +85 | ||||
| R5F21332CDFP#30 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 1KB | 32# | -40 to +85 | |||
| R5F21332CDFP#50 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 1KB | 32# | -40 to +85 | ||||
| R5F21332CDFP#51 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 1KB | 32# | -40 to +85 | |||
| R5F21332CDFP#V2 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 1KB | 32# | -40 to +85 | ||||
| R5F21332CDFP#X6 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 1KB | 32# | -40 to +85 | ||||
| R5F21332CNFP#30 | NRND | N/A | 2029 Jan | In Stock | Contact | LQFP | 1ku | $3.06 | 1KB | 32# | -20 to +85 | CHINA | JAPAN |
| R5F21332CNFP#50 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 1KB | 32# | -20 to +85 | ||||
| R5F21332CNFP#51 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 1KB | 32# | -20 to +85 | |||
| R5F21332CNFP#V2 | Obsolete | N/A | In Stock | RoHS:EN RoHS:JA | LQFP | 1KB | 32# | -20 to +85 | ||||
| R5F21332CNFP#X6 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 1KB | 32# | -20 to +85 | ||||
| R5F21334CDFP#30 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 1ku | $3.05 | 1.5KB | 32# | -40 to +85 | CHINA | JAPAN |
| R5F21334CDFP#50 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 1.5KB | 32# | -40 to +85 | ||||
| R5F21334CDFP#51 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 1.5KB | 32# | -40 to +85 | |||
| R5F21334CDFP#V2 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 1.5KB | 32# | -40 to +85 | ||||
| R5F21334CDFP#X6 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 1.5KB | 32# | -40 to +85 | ||||
| R5F21334CNFP#30 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 1ku | $3.4 | 1.5KB | 32# | -20 to +85 | CHINA | JAPAN |
| R5F21334CNFP#50 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 1.5KB | 32# | -20 to +85 | ||||
| R5F21334CNFP#51 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 1.5KB | 32# | -20 to +85 | |||
| R5F21334CNFP#V2 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 1.5KB | 32# | -20 to +85 | ||||
| R5F21334CNFP#X6 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 1.5KB | 32# | -20 to +85 | ||||
| R5F21335CDFP#30 | NRND | N/A | 2029 Jan | In Stock | Contact | LQFP | 1ku | $2.86 | 2KB | 32# | -40 to +85 | CHINA | JAPAN |
| R5F21335CDFP#50 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 2KB | 32# | -40 to +85 | ||||
| R5F21335CDFP#51 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 2KB | 32# | -40 to +85 | |||
| R5F21335CDFP#V2 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 2KB | 32# | -40 to +85 | ||||
| R5F21335CDFP#X6 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 2KB | 32# | -40 to +85 | ||||
| R5F21335CNFP#30 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 1ku | $2.79 | 2KB | 32# | -20 to +85 | CHINA | JAPAN |
| R5F21335CNFP#50 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 2KB | 32# | -20 to +85 | ||||
| R5F21335CNFP#51 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 2KB | 32# | -20 to +85 | |||
| R5F21335CNFP#V2 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 2KB | 32# | -20 to +85 | ||||
| R5F21335CNFP#X6 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 2KB | 32# | -20 to +85 | ||||
| R5F21336CDFP#30 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 1ku | $3.58 | 2.5KB | 32# | -40 to +85 | CHINA | JAPAN |
| R5F21336CDFP#50 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 2.5KB | 32# | -40 to +85 | ||||
| R5F21336CDFP#51 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 1ku | $3.48 | 2.5KB | 32# | -40 to +85 | CHINA | JAPAN |
| R5F21336CDFP#V2 | Obsolete | N/A | In Stock | RoHS:EN RoHS:JA | LQFP | 2.5KB | 32# | -40 to +85 | ||||
| R5F21336CDFP#X6 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 2.5KB | 32# | -40 to +85 | ||||
| R5F21336CNFP#30 | NRND | N/A | 2029 Jan | In Stock | Contact | LQFP | 1ku | $3.91 | 2.5KB | 32# | -20 to +85 | CHINA | JAPAN |
| R5F21336CNFP#50 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 2.5KB | 32# | -20 to +85 | ||||
| R5F21336CNFP#51 | NRND | N/A | 2029 Jan | Out of Stock | Contact | LQFP | 2.5KB | 32# | -20 to +85 | |||
| R5F21336CNFP#V2 | Obsolete | N/A | In Stock | RoHS:EN RoHS:JA | LQFP | 2.5KB | 32# | -20 to +85 | ||||
| R5F21336CNFP#X6 | Obsolete | N/A | Out of Stock | RoHS:EN RoHS:JA | LQFP | 2.5KB | 32# | -20 to +85 |
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- Product Change Notice
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- Application Note
- 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 explains how to migrate the D/A converter functionality from the R8C/36M Group to the RL78/G14 family with 96-KB or larger flash memory. It compares the specifications, highlighting differences such as the reference voltage source (Vref pin for R8C/36M and Vpp pin for RL78/G14) and output pins. It also details register differences and recommends selecting normal mode on RL78/G14 to match R8C/36M operation. Related manuals and technical updates are referenced for further information.
- Application NoteAI-generated Summary: The document explains the migration method from the R8C/36M group to the RL78/G14 family focusing on power control via CPU clock operation modes. It summarizes power control modes in R8C/36M, including standard operating, wait, and stop modes, and compares them with RL78/G14 CPU clock modes such as normal operation, HALT, STOP, and SNOOZE. Key differences include the clock source selection after reset and the inability of RL78/G14 to use the low-speed on-chip oscillator as the CPU clock. Detailed mode transition diagrams and user manual references are provided.
- 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:
- Application NoteAI-generated Summary: The document details the migration process from the R8C/32C group A/D converter to the RL78/G11 A/D converter, explaining differences in operation modes and result storage. It highlights that RL78/G11 uses a single register for A/D results, unlike R8C/32C which uses multiple registers. It also explains the bit alignment differences in 10-bit and 8-bit resolutions, requiring software adjustments for compatibility. The guide covers various operation modes including one-shot, repeat, single sweep, and repeat sweep modes, with hardware and software descriptions, sample code, and reference materials.Related Files:
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- Application Note
- 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 explains how to migrate the D/A converter functionality from the R8C/36M Group to the RL78/G14 family with 96-KB or larger flash memory. It compares the specifications, highlighting differences such as the reference voltage source (Vref pin for R8C/36M and Vpp pin for RL78/G14) and output pins. It also details register differences and recommends selecting normal mode on RL78/G14 to match R8C/36M operation. Related manuals and technical updates are referenced for further information.
- Application NoteAI-generated Summary: The document explains the migration method from the R8C/36M group to the RL78/G14 family focusing on power control via CPU clock operation modes. It summarizes power control modes in R8C/36M, including standard operating, wait, and stop modes, and compares them with RL78/G14 CPU clock modes such as normal operation, HALT, STOP, and SNOOZE. Key differences include the clock source selection after reset and the inability of RL78/G14 to use the low-speed on-chip oscillator as the CPU clock. Detailed mode transition diagrams and user manual references are provided.View More (161)
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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]
- EmulatorA full-spec emulator available for full bus trace. This can be used for various devices by MCU units or connection parts exchange. [Compatible software(GUI): High-performance Embedded Workshop] [Target devices: RX610, R8C/5x, R8C/3x, M16C/64, RS-4 and others.]
- EmulatorOn-chip debugging emulator. Also available as a flash memory programmer. For RX600 or RX700 Series MCU, trace functions and Real-time RAM monitor functions available. For MCUs other than RX600 or RX700, the available debugging function corresponds to that of E2 Emulator Lite. [Support MCU/MPU: RX, RL78, RH850, V850, 78K0R, 78K0, R8C]
- 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.
- EmulatorMCU unit for the R8C/3x Series [for E100]. An MCU-dependent converter board is required.
- 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 (29)
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Support Communities
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R8C/33C
I have a problem that which version of PROJECT GENERATOR inclueding R8C/33C('sfr_r833c.h'),and where to download the library ?
Mar 2, 2011 -
R8C microcontroller and PG-FP6 flashing device
hi, sorry for posting this R8C issue here, but i couldn't post it on R8C forum maybe because this MCU is legacy. i have a R8C target board with MCU R5F21336C on it and want to flash my MOT file on this MCU with the PG-FP6 device. can ...
Nov 4, 2025 -
Exiting Wait Mode
Hi Everyone,I am using a R8C/33C with an external 32Khz crystal on xcin/xcout and my main clock is the High-Speed On-Chip Oscillator. My problem is that sometimes, when it exits wait mode, the main clock seems to not start again. Here is how ...
Sep 9, 2011
Knowledge Base
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(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 -
Is there a device which has external address space in the R8C Family?
The R8C Family is a single-chip microcontroller. There is no device which has external address space.
Oct 10, 2006 -
Is there a list of the SFRs for the R8C Family applicable to Technical Update No. TN-M16C-55-0006?
Affected registers include: UART0 bit rate register U0BRG UART0 transmit buffer register U0TB UART1 bit rate register U1BRG UART1 transmit buffer register U1TB For details, please refer to the Hardware Manual. If "When read, the value is undefined" or "When read, the content is undefined" is included in the register ...
Dec 26, 2017
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