R5F21102FP#U0 - 16MHz 16-Bit 8KB MCU | Renesas
MPN: R5F21102FP#U0 ✗ סוף ייצורR5F21102FP#U0 סקירה
A microcontroller is a programmable semiconductor that integrates a CPU core, memory, and peripherals into one device. The R8C/1x/10 belongs to the R8C family of 16-bit single-chip microcomputers, a category positioned between simple 8-bit controllers and more complex application-specific processors. Its instruction-efficient architecture supports embedded control designs requiring deterministic peripheral access, compact firmware, and low component count.
The R5F21102FP#U0 provides 8 KB of Flash memory, organized by the distributor listing as 8K x 8, for firmware storage. The manufacturer describes a 1 MB memory space for the R8C/10 family. Operation up to 16 MHz provides a meaningful performance margin for motor-control, appliance-control, industrial-control, and general embedded tasks while retaining a relatively simple embedded architecture.
Renesas identifies the R8C/10 Group as a non-promotion family supported for customers that have already adopted these products and recommends the RL78/G14 Group for new designs. This lifecycle position makes R5F21102FP#U0 most appropriate for maintaining established equipment rather than starting a broadly deployed new platform. Its 3 V or 5 V operation also permits compatibility with conventional embedded supply rails.
The 32-LQFP package provides 32 externally accessible pins and suits conventional leaded surface-mount assembly. The R5F21102FP#U0 ordering suffix corresponds to the lead-free, tray-packaged variant reported by Mouser and Findic. Designers should verify the exact pin multiplexing, peripheral functions, programming procedure, and timing constraints against the R5F21102FP datasheet before releasing a new PCB.
The primary design consideration is lifecycle risk: Renesas explicitly recommends RL78/G14 for new designs. Existing products can remain on the R8C/10 when software stability and hardware compatibility outweigh the benefits of platform migration. A migration should be evaluated at application level because a different MCU architecture, memory map, peripheral set, or toolchain may require firmware and board changes.
This page consolidates verified manufacturer and distributor information with lifecycle guidance, procurement context, and design considerations that are not normally presented as one engineering-ready summary. It also distinguishes established-product continuity from the manufacturer's recommendation for new R8C/10 or RL78/G14 designs.
חלופות תחליף ישיר עבור R5F21102FP#U0 — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם R5F21102FP#U0 (אותו גורם צורה וטביעת רגל) — שונים ב Operating Temperature Range, Package.
אין חלופות תואמות Drop-in עבור מוצר זה.
בקשת חלופותR5F21102FP#U0 דירוגים מרביים ומאפיינים חשמליים
| Product Type | 16-bit single-chip microcomputer |
| Series | R8C/1x/10 |
| CPU Core | R8C/Tiny Series |
| Maximum Operating Frequency | 16 MHz |
| Internal Flash Memory | 8 KB |
| Flash Organization | 8K x 8 |
| Addressable Memory Space | 1 MB |
| Architecture | 16-bit R8C CISC |
| Process Technology | High-performance silicon gate CMOS |
| Nominal Supply Voltage | 3 V or 5 V |
| Operating Voltage Range | 2.7 V to 5.5 V |
| טווח טמפרטורת פעולה | -20 C to +85 C |
| מארז | 32-pin plastic molded LQFP |
| Package Dimensions | 7 mm x 7 mm |
| סוג הרכבה | Surface Mount |
| Lead-Free Status | Pb-free |
| Programming Supply | Single power source |
מדריך תצורת פינים של R5F21102FP#U0 7 mm x 7 mm
תצורת פינים עבור R5F21102FP#U0 (מארזת 7 mm x 7 mm). מעגל משולב דיגיטלי זה כולל GPIO, ממשקי תקשורת (UART, SPI, I2C) ופיני מתח. יש לעיין בגיליון הנתונים של היצרן לפונקציות פינים חלופיות ולאפשרויות תצורה. חיוני לתכנון מערכות משובצות ולפריסת PCB.
אין נתוני פריסת פינים מפורטים עבור R5F21102FP#U0.
עיינו ב- גיליון נתונים עבור תצורת פינים מלאה.
יישומים טיפוסיים
R5F21102FP#U0 מתאים עבור 6 יישוםs: Established Appliance Control Systems, Motor and Actuator Control, Industrial Sensor Interface, General Embedded Control, Legacy Equipment Maintenance, Low-Cost Embedded Products.
Established Appliance Control Systems
The R5F21102FP#U0 fits maintenance of an established appliance controller because its 16-bit R8C core, 16 MHz operating frequency, and 8 KB of internal Flash provide a compact platform for sequencing motors, heaters, displays, and input controls. A 2.7 V to 5.5 V operating range supports conventional embedded rails. The key advantage is continuity: Renesas positions the R8C/10 family for customers that have already adopted it, allowing firmware and board knowledge to be retained. Before reuse, engineers should verify that the exact peripheral mix, pin multiplexing, timing, and programming environment match the original design.
Motor and Actuator Control
For an existing motor-control design, the R5F21102FP#U0 provides the combination of a 16-bit R8C/Tiny Series CPU core, 16 MHz maximum frequency, and 8 KB internal Flash needed for timing loops and control logic. Its 32-LQFP package offers 32 pins for external interfaces while supporting operation from 2.7 V to 5.5 V. The device is most appropriate where the control platform and firmware are already proven. Engineers must confirm the available timers, comparator functions, interrupt behavior, and motor-drive interface against the manufacturer datasheet before modifying hardware.
Industrial Sensor Interface
The R5F21102FP#U0 can support a sensor-oriented embedded controller in an established industrial product because its 8 KB Flash accommodates a compact program and its 16 MHz R8C core provides processing headroom for polling, filtering, and data handling. The 3 V or 5 V operating capability is useful for mixed legacy supply rails. Use it where redesign risk dominates and the R8C/10 software is already validated. For new instrumentation, Renesas recommends the RL78/G14 Group instead, so engineers should compare external-interface coverage, conversion peripherals, temperature range, and software migration effort.
General Embedded Control
The R5F21102FP#U0 is suitable for a compact embedded-control role requiring a 16-bit CPU, 8 KB internal Flash, and operation up to 16 MHz without a complex processor architecture. A 32-pin LQFP package provides a practical surface-mount option for boards with multiple external sensors, indicators, or communications links. The -20 C to +85 C listed operating range suits many indoor industrial and commercial environments. Selection should focus on compatibility with an existing R8C/10 code base and verified peripheral requirements. For new general-purpose controllers, the manufacturer-recommended RL78/G14 platform is the more forward-looking choice.
Legacy Equipment Maintenance
The R5F21102FP#U0 is particularly relevant to repairing or extending legacy equipment whose original controller was based on the R8C/10 family. Its non-promotion status means supply is intended for customers with established adoption rather than broad new-product promotion, which can make traceable continuation preferable to redesigning qualified equipment. The 16 MHz R8C core and 8 KB Flash reproduce the essential resource class of the original platform. Engineers should confirm the exact suffix, package, firmware compatibility, and peripheral configuration with authorized distributors, then budget time for thorough hardware and software regression testing.
Low-Cost Embedded Products
The R5F21102FP#U0 can serve as the controller in a cost-sensitive embedded product that already uses the R8C/10 architecture. Its 16-bit instruction-efficient core, 8 KB internal Flash, and 32-LQFP package provide a compact implementation without requiring external program memory. The 2.7 V to 5.5 V range allows use with common 3 V and 5 V systems. However, lifecycle positioning and non-promotion status must be included in the product plan. For a newly designed product, Renesas identifies RL78/G14 as the recommended family, so the R8C/10 choice is most defensible when software reuse or existing supply-chain commitments create clear savings.
נתוני עזר הנדסיים עבור R5F21102FP#U0 — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה |
|---|---|
| Package | 32-LQFP (7 mm x 7 mm) |
| Brand | Renesas Electronics |
| CPU Architecture | 16-bit R8C CISC |
| Maximum Frequency | 16 MHz |
| Internal Flash Memory | 8 KB |
| Addressable Memory Space | 1 MB |
| Operating Voltage Range | 2.7 V to 5.5 V |
| Operating Temperature Range | -20 C to +85 C |
| Lifecycle Position | Non-promotion; supported for existing adopters |
| Lead-Free Status | Pb-free |
מבדילים עיקריים
- Established R8C/10 continuity (לעומתRL78/G14)
- Compact 16-bit embedded control resources (לעומתGeneric 8-bit microcontroller)
- Dual-rail compatibility (לעומת5 V-only embedded MCU)
הערות תכנון
Do not treat the R5F21102FP#U0 as a general new-design choice without acknowledging Renesas's lifecycle statement. The manufacturer classifies the R8C/10 Group as non-promotion, supports it for customers that have already adopted the products, and recommends RL78/G14 for new designs. A design based only on the existing MCU and firmware should be reviewed for long-term supply, software-tool support, and future product revisions.
Use the exact 32-LQFP footprint and verify every pin assignment against the R5F21102FP datasheet rather than relying on a generic R8C pin diagram. Check alternate-function multiplexing, supply pins, reset behavior, programming pins, and exposed peripheral assignments before routing the PCB. Because the verified product data confirms the 7 mm by 7 mm LQFP package but does not provide the complete pin table, the datasheet is mandatory for layout release.
Plan the supply rail for the documented 2.7 V to 5.5 V operating range, which corresponds to the listed 3 V or 5 V modes. Confirm the regulator tolerance, startup behavior, and required decoupling directly from the manufacturer datasheet before schematic release. The supplied records do not include internal oscillator accuracy, ADC characteristics, or detailed current-consumption limits, so those values must not be inferred during power-budget calculations.
The ordering suffix and packaging configuration must be checked during procurement. The verified distributor records identify R5F21102FP#U0 as the Pb-free variant, and Findic describes it as tray packaged, but no numerical tray quantity is provided. Buyers should request the manufacturer ordering information, current lot availability, and a supply commitment. A distributor statement that an item ships today reflects inventory availability, not necessarily factory production lead time.
מידע על תאימות
Mouser identifies the R5F21102FP#U0 as Pb-free. The verified sources do not provide explicit RoHS, REACH, halogen-free, AEC-Q100, or conflict-minerals statements, so those statuses remain unknown.
