R5F21236JFP - 16-Bit 20MHz MCU 32KB Flash | Renesas
料号： R5F21236JFP ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $2.7351 | $2.74 |
| 10 | $2.7351 | $27.35 |
| 100 | $2.7351 | $273.51 |
| 500 | $2.7351 | $1,367.55 |
| 1,000 | $2.7351 | $2,735.10 |
R5F21236JFP 概述
A microcontroller is a semiconductor device that integrates a CPU core, program memory, data memory, peripherals, and I/O into one package. In the system hierarchy, the R5F21236JFP belongs to the microcontroller class, uses the R8C CPU core, and provides embedded processing for control, communication, measurement, and automation functions. The R8C/23 family is specifically described by Renesas as a non-promotion family supported for customers that have already adopted the products.
Key verified features include a 16-bit MCU architecture, 20 MHz operation, 32 KB flash storage, 3/5 V supply operation, and a 48-LQFP package measuring 7 x 7 mm according to the distributor listing. The R8C core is described as using sophisticated instructions intended to provide high instruction efficiency. The device also includes embedded data-flash blocks according to the retrieved R8C/23 material, while the exact density, voltage tolerances, peripheral list, and memory timing figures require the manufacturer datasheet.
The verified R8C/23 description also identifies one CAN module and suitability for in-vehicle or FA networking. This makes the MCU relevant to industrial networking and automotive-adjacent control platforms, provided the exact electrical and qualification requirements are checked. Because the product is listed as non-promotion and supported only for previously adopted customers, lifecycle planning should confirm availability before new design commitments.
Typical applications include industrial control equipment, factory automation nodes, CAN-connected machines, embedded instrumentation, and automotive or FA networking modules. The 48-LQFP package supports conventional PCB assembly and external interconnection, while the 20 MHz R8C core provides a balance of processing capability and embedded control integration. Exact RAM, peripheral, electrical, and pin-level requirements are not present in the supplied search data and are marked for verification.
Before design-in, engineers should obtain the official Renesas datasheet, confirm the exact package pinout, validate 3/5 V operating conditions, and check the CAN and data-flash requirements against the system architecture. For sourcing, compare authorized inventory and lifecycle status rather than assuming a distributor listing means a new design is supported.
直接替换替代料： R5F21236JFP ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
R5F21226JFP#U1
✅ 直接替换📋 参考替代料（不在目录中）
R5F21236JFP 最大额定值与电气特性
| Product Type | 16-bit microcontroller |
| CPU Core | R8C |
| Maximum Operating Frequency | 20 MHz |
| Program Memory | 32 KB flash |
| Flash Organization | 32K x 8 |
| 电源电压 | 3/5 V |
| 封装 | 48-LQFP (7 x 7 mm) |
| 引脚数量 | 48 pins |
| Architecture | 16-bit |
| Communication Peripheral | 1 CAN module |
| Data Flash | Embedded data-flash blocks |
| Address Space | 1 Mb |
| Product Status | Non-promotion; supported for customers that have already adopted the product |
| 工作温度 | -40 °C to +85 °C |
| Lead-Free Status | Pb-free |
| 安装类型 | Surface mount |
| Manufacturer | Renesas Electronics |
| Datasheet Availability | Manufacturer datasheet identified |
| Lifecycle Verification | Confirm current availability with Renesas before new design commitment |
R5F21236JFP 48-lqfp (7 x 7 mm) 引脚配置指南
R5F21236JFP（48-lqfp (7 x 7 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： R5F21236JFP.
请参阅 数据手册 以查看完整引脚配置。
典型应用
R5F21236JFP 适用于 6 应用s: Industrial Control Equipment, Factory Automation Networking, Automotive-Adjacent Networked Control, Embedded Instrumentation, CAN-Connected Sensor Node, Legacy Platform Maintenance.
Industrial Control Equipment
The R5F21236JFP fits embedded industrial control because it combines a 16-bit R8C CPU core, 20 MHz operation, 32 KB flash, and a 48-LQFP package in one device. The verified material describes an MCU with one CAN module, which can support networked machine control when combined with an appropriate transceiver and termination network. Use it for controllers where deterministic embedded processing and compact integration matter, while checking the exact RAM, I/O, timing, and electrical limits in the Renesas datasheet.
推荐
Factory Automation Networking
The R5F21236JFP is suitable for factory automation networking when a controller must combine local processing with CAN connectivity. The verified R8C/23 description explicitly identifies one CAN module and mentions suitability for FA networking. In a practical design, the MCU would handle protocol processing, state-machine control, and local I/O while a CAN transceiver handles the physical bus. Verify transceiver selection, bus topology, termination, isolation needs, and the manufacturer's electrical timing limits.
推荐
Automotive-Adjacent Networked Control
The R5F21236JFP can be considered for automotive-adjacent or in-vehicle networking platforms because the supplied R8C/23 material identifies one CAN module and explicitly references in-vehicle networking suitability. Its 20 MHz 16-bit core can support embedded control tasks, while 32 KB flash provides a compact firmware footprint. This application requires stricter review than ordinary industrial control: confirm AEC-related requirements separately, verify the exact operating temperature and electrical limits, and use the official Renesas documentation before production release.
推荐
Embedded Instrumentation
The R5F21236JFP can serve as the control core in compact embedded instrumentation because its 16-bit R8C architecture operates up to 20 MHz and integrates 32 KB flash in a 48-LQFP package. The MCU can execute measurement sequencing, calibration logic, and communications control while external sensors and amplifiers handle analog conditioning. The supplied data does not specify ADC channels, DAC functions, RAM, or comparator resources, so analog and mixed-signal suitability must be confirmed from the exact datasheet rather than inferred from the family name.
推荐
CAN-Connected Sensor Node
The R5F21236JFP is a plausible controller for a CAN-connected sensor node because the verified product information identifies one CAN module and a 20 MHz 16-bit processing core. In this architecture, the MCU would acquire sensor data through suitable external interfaces, process status information, and publish measurements over a CAN bus. The 48-LQFP footprint supports conventional surface-mount assembly, but the design must verify available I/O pins, ADC resources, power requirements, and CAN timing because those values are absent from the supplied excerpts.
推荐
Legacy Platform Maintenance
The R5F21236JFP is particularly relevant to maintenance and clone designs for equipment already built around the R8C/23 family. Renesas describes the family as non-promotion and supported for customers that have already adopted these products, so preserving an existing platform may be more practical than migrating immediately to a new MCU. A drop-in replacement cannot be assumed; validate pin compatibility, boot behavior, memory map, CAN resources, firmware dependencies, and lifecycle supply before changing the board or ordering replacement parts.
推荐
推荐产品汇总
工程参考数据： R5F21236JFP ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | R5F21226JFP#U1 |
|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics |
| Package | 48-LQFP (7 x 7 mm) | 48-LQFP |
| CPU Architecture | 16-bit | 16-bit |
| Flash Memory | 32 KB | 32 KB |
| Supply Voltage | 3/5 V | 3.3 V/5 V family indication in comparison listing |
关键差异点
- R8C/23 family positioning （对比 R5F21226JFP#U1)
- Verified integrated networking resource （对比 R5F21226JFP#U1)
- Documented architecture and memory alignment （对比 R5F21226JFP#U1)
设计说明
The verified 3/5 V classification is not a substitute for the complete electrical table. Before layout, confirm the exact supply range, I/O voltage domains, reset requirements, absolute maximum ratings, and power-consumption conditions in the official Renesas datasheet. Place local decoupling close to the MCU supply pins and verify the selected external components against the manufacturer recommendations. Do not use the LCSC reference price or distributor inventory as evidence that a particular voltage variant is electrically identical.
The R5F21236JFP uses a 48-LQFP package, so the PCB footprint, pin numbering, exposed thermal considerations, and assembly clearances must match the exact package drawing. Because the supplied data does not include the complete pinout, verify every power, ground, programming, reset, clock, and CAN-related connection against the official datasheet. Treat the package name alone as insufficient evidence for a drop-in layout approval.
The retrieved product page describes the R8C/23 family as non-promotion and supported for customers that have already adopted it. A distributor listing or comparison page can therefore be misleading for a new production program. Confirm lifecycle, authorized sourcing, date code, package suffix, and software/toolchain support before committing the R5F21236JFP to a design. Also do not assume that the R5F21226JFP#U1 is pin-compatible merely because both are described as 16-bit, 32 KB-flash, 48-LQFP devices.
合规信息
The verified Mouser listing identifies R5F21236JFP#U1 as Pb-free. RoHS, REACH, halogen-free, conflict-minerals, and AEC-Q100 status were not explicitly established in the supplied data. The family is described as non-promotion, not as obsolete, and requires lifecycle confirmation before new production use.
