R5F21183SP#U0 - 16-Bit 20MHz R8C MCU | Renesas Electronics
MPN: R5F21183SP#U0 ✗ Tapus ng BuhayR5F21183SP#U0 Ulas
A microcontroller is a programmable semiconductor that integrates a processor core, nonvolatile program memory, working RAM, and peripheral functions onto one package. Within the product hierarchy, the R5F21183SP#U0 is an MCU, an embedded-processing IC, and a member of the R8C family of 16-bit devices. This classification distinguishes it from discrete logic, analog regulators, and communications transceivers while placing it within the broader embedded-control and industrial-control markets.
The principal device characteristics are a 16-bit R8C/1x/18 architecture, 20 MHz maximum speed, and 12 KB (12K × 8) flash memory. The MCU also includes 768 × 8 bits of RAM and 13 I/O pins in a 20-LSSOP package rated across a 2.7 V to 5.5 V supply range. These figures make the part suitable for compact control systems where moderate processing throughput, deterministic peripheral control, and limited board area are more important than large embedded flash capacities.
The R8C core provides a 16-bit processing architecture suitable for embedded tasks involving control logic, state machines, communication routines, and peripheral coordination. Flash program memory supports resident firmware, while the 768-byte RAM provides working space for variables, stacks, and intermediate data. The internal oscillator eliminates the need for a separate clock oscillator in designs whose timing requirements do not demand an external frequency source.
Potential applications include compact industrial controllers, appliance and equipment control panels, sensor-processing modules, building-control terminals, and embedded peripheral controllers. A 20-pin package and 13 I/O pins make the device appropriate for designs where the firmware must coordinate several inputs and outputs while occupying little PCB area. The 2.7 V to 5.5 V operating range accommodates both 3 V and 5 V systems, although each peripheral and external-circuit requirement should be checked against the manufacturer documentation.
The principal design consideration is to verify the complete pin assignment and peripheral multiplexing before layout. The 20-LSSOP land pattern provides limited routing area, so decoupling, programming access, oscillator requirements, and I/O contention must be planned before PCB release. Because the supplied search results identify this exact orderable variant as “Non Promotion,” production planning should confirm lifecycle status and availability directly with Renesas before committing a long-running design.
This page consolidates the verified manufacturer and distributor facts, current price references, technical comparisons, and sourcing guidance for R5F21183SP#U0. It also distinguishes documented parameters from missing information, avoiding unsupported assumptions where complete electrical, timing, peripheral, and pin-level details were not present in the supplied sources.
Mga alternatibo na pwedeng ilagay na R5F21183SP#U0 — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Wala ng magagamit na drop-in alternatibo para sa produkto na ito.
Hilingin ang AlternatiboR5F21183SP#U0 Mga Pinakamataas na Rating at Electrical Characteristics
| Product Type | 16-bit microcontroller (MCU) |
| CPU Core | R8C/1x/18 |
| CPU Architecture | 16-bit |
| Maximum Operating Speed | 20 MHz |
| Program Memory Size | 12 KB (12K × 8) |
| Program Memory Type | Flash |
| RAM Size | 768 × 8 bits |
| Number of I/O Pins | 13 pins |
| Operating Voltage Range | 2.7 V to 5.5 V |
| Nominal Supply Configurations | 3 V / 5 V |
| Hanay ng Temperature na Operasyon | -20°C to +85°C |
| Oscillator Type | Internal |
| Packhaging | 20-LSSOP (0.173 inch, 4.40 mm width) |
| Uri ng Pagpapasok | Surface mount |
| Packaging | Tube |
| Lead-Free Status | Pb-free |
| Lifecycle Classification | Non Promotion |
| Tindminan RoHS | Compliant |
Gabay sa Pin Configuration ng R5F21183SP#U0 20-lssop (0.173 inch, 4.40 mm width)
Pin configuration para sa R5F21183SP#U0 (20-lssop (0.173 inch, 4.40 mm width) package). Kasama sa digital IC na ito ang GPIO, mga communication interface (UART, SPI, I2C), at mga power pin. Sumangguni sa datasheet ng manufacturer para sa mga alternatibong function ng pin at mga opsyon sa configuration. Mahalaga para sa disenyo ng embedded system at PCB layout.
Wala ng detalyadong pinout data na magagamit para sa R5F21183SP#U0.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
R5F21183SP#U0 ay nararapat para sa 6 aplikasyons: Compact Industrial Control Module, Appliance and Equipment Controller, Sensor Conditioning and Data Acquisition, Building and Environment Control Terminal, Embedded Peripheral Controller, Portable Measurement Instrument.
Compact Industrial Control Module
The R5F21183SP#U0 fits compact industrial-control modules that coordinate discrete inputs and outputs while running deterministic firmware. Its verified 16-bit R8C/1x/18 core operates up to 20 MHz, providing more computational headroom than an 8-bit controller while retaining 12 KB of flash for resident application code. The 13 available I/O pins and 2.7 V to 5.5 V operating range support mixed 3 V and 5 V equipment architectures. In a controller, the MCU can scan inputs, apply state-machine logic, drive outputs, and manage subsystem timing without occupying excessive board area. The 20-LSSOP package does require careful budgeting of PCB routing space, and the -20°C to +85°C rating should be checked against the enclosure’s actual environmental requirements.
Appliance and Equipment Controller
The R5F21183SP#U0 is appropriate for appliance and equipment control boards that require local sequencing, status handling, and peripheral coordination. Its 20 MHz 16-bit processor can execute a real-time control program from the 12 KB flash memory, while 768 × 8 bits of RAM provides working space for variables and stack operations. The 13 I/O pins can support buttons, indicators, relay-control signals, and discrete sensors when the electrical limits of each selected R8C peripheral are confirmed from the datasheet. Running from a 2.7 V to 5.5 V rail accommodates common appliance power architectures, and the internal oscillator reduces the component count. Designers should still budget decoupling capacitance, programming access, and thermal margins around the 20-LSSOP footprint.
Sensor Conditioning and Data Acquisition
The R5F21183SP#U0 can serve as the acquisition controller in a small sensor-processing module that samples discrete inputs, applies calibration or filtering, and forwards results over an available serial interface. The 16-bit R8C/1x/18 architecture running at 20 MHz is suited to deterministic sampling loops and protocol handling, while the 12 KB flash stores firmware and the 768 × 8-bit RAM holds active samples and working variables. The internal oscillator removes an external oscillator from the bill of materials when its specified accuracy is acceptable. Because the supplied excerpts do not identify the complete ADC or serial peripheral set, engineers must verify the required converter resolution, timer channels, baud-rate support, and interrupt resources in the manufacturer documentation before assigning inputs.
Building and Environment Control Terminal
The R5F21183SP#U0 is a reasonable candidate for building-control terminals, room controllers, and environment-monitoring interfaces that combine local logic with limited communications. A 20 MHz 16-bit core can handle scheduled tasks, input debouncing, control-state updates, and communication routines within the device’s 12 KB flash-memory constraint. Its 2.7 V to 5.5 V supply range supports integration with common 3 V and 5 V control electronics, and the 13 I/O pins provide enough parallel connections for sensors and discrete actuators. The -20°C to +85°C specification covers many indoor industrial environments. Deployment still requires checking EMC, surge, and installation-specific requirements, as well as confirming communication peripheral availability and exact pin multiplexing from the complete Renesas datasheet.
Embedded Peripheral Controller
The R5F21183SP#U0 works well as a dedicated embedded peripheral controller for modules that need an embedded 16-bit control engine rather than a large application processor. Its 20 MHz operating speed supports responsive command handling, while the internal oscillator allows a compact implementation with no separate clock device. With 12 KB of flash and 768 × 8 bits of RAM, the device is best suited to focused firmware with modest code size and working-memory requirements. The 20-LSSOP package can also reduce board footprint relative to larger MCUs. A designer should map all required timers, serial channels, interrupts, and I/O functions before committing to the device because those details were not included in the supplied distributor excerpts, and should preserve a programming header or otherwise plan for in-circuit programming access.
Portable Measurement Instrument
The R5F21183SP#U0 can serve as the control core of a portable measurement instrument when the design requires a 16-bit processor, moderate program capacity, and low-power supply flexibility. The verified 2.7 V minimum operating voltage supports 3 V battery-derived rails after suitable regulation, while the internal oscillator can simplify portable configurations. Its 20 MHz speed is adequate for managing measurements, control sequences, local displays, and operator input, subject to confirming the required timer and communication peripherals. The 12 KB flash and 768 × 8-bit RAM are modest, so firmware must be structured for this footprint rather than for a high-end instrument. Battery life, display drive, sensor excitation, and analog measurement accuracy should each be evaluated independently because the supplied data does not specify those characteristics.
Impormasyon ng Talumpati sa Engineering for R5F21183SP#U0 — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto |
|---|---|
| Package | 20-LSSOP (0.173 inch, 4.40 mm width) |
| Brand | Renesas Electronics |
| CPU Architecture | 16-bit |
| CPU Core | R8C/1x/18 |
| Maximum Operating Speed | 20 MHz |
| Program Memory | 12 KB flash (12K × 8) |
| RAM | 768 × 8 bits |
| I/O Pin Count | 13 pins |
| Operating Voltage Range | 2.7 V to 5.5 V |
| Oscillator | Internal |
| Operating Temperature Range | -20°C to +85°C |
| Packaging | Tube |
Talaan ng Disenyo
Verify the 20-LSSOP land pattern and all pin functions against the current Renesas datasheet before releasing the PCB. Place required decoupling capacitors adjacent to the supply and ground pins, keep programming and debug access reachable, and route sensitive or high-speed signals away from the switching section of adjacent power circuitry. The supplied excerpts identify the 4.40 mm package width but do not provide the complete pin map, so the schematic must not be inferred from the distributor summary.
Design the supply for the verified 2.7 V to 5.5 V operating range and confirm the device’s detailed operating and absolute-maximum conditions from the manufacturer datasheet. Select the rail for consistency with the 3 V or 5 V system architecture, then validate external sensor, communication, and actuator levels. Because the supplied data does not state current consumption or voltage tolerances, use measured system requirements rather than assuming that every 5 V peripheral can be connected directly to an MCU pin.
Do not treat a same-package MCU as a drop-in replacement merely because its flash size and clock speed appear similar. Firmware portability depends on the R8C memory map, interrupt vectors, peripheral registers, pin multiplexing, startup code, and electrical limits. The cross-reference results did not establish any qualified substitute for R5F21183SP#U0. For production continuity, obtain an official Renesas cross-reference result and compare the complete datasheets, then run timing, reset, brownout, and peripheral tests on the proposed replacement.
The R5F21183SP#U0 is specified from -20°C to +85°C, and its 20-LSSOP package must dissipate the combined load of the MCU and surrounding circuitry within the enclosure temperature. The supplied data does not provide junction temperature, package thermal resistance, or power dissipation, so no thermal result can be calculated without the missing electrical and environmental inputs. Use the manufacturer thermal data for the final board and enclosure, and avoid placing the device next to a heat source when temperature margin is limited.
Impormasyon ng Pagsunod sa Kautusan
The supplied LCSC result identifies R5F21183SP#U0 as RoHS compliant and Pb-free. The manufacturer product page identifies the exact device as Non Promotion. No verified REACH, halogen-free, conflict-minerals, or automotive qualification statement was supplied.
