R5F52203BDFL - 32MHz 32-bit RX220 MCU, 64KB Flash, LQFP-48 | Renesas
N.º de pieza: R5F52203BDFL ✗ Fin de vida| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $4.12 | $4,12 |
| 10 | $3.72 | $37,20 |
| 100 | $3.3 | $330,00 |
| 500 | $2.95 | $1.475,00 |
| 1.000 | $2.62 | $2.620,00 |
R5F52203BDFL Descripción general
An entry-level 32-bit MCU (microcontroller unit) integrates a CPU core, on-chip flash program memory, SRAM, and a curated set of peripherals into a single IC. Within the broader hierarchy it sits between 8/16-bit legacy MCUs and high-performance Cortex-M/RX700 parts. The RX220 series in particular is the slimmed-down, low-pin-count derivative of the RX210 family, retaining pin-compatibility and the same RXv1 instruction set while trimming unused peripherals to reduce cost and active current.
Key features include 64 KB (64K x 8) flash, 8 KB SRAM, up to 32 MHz CPU clock, a 12-bit A/D converter, multi-function timer (MTU2), and serial interfaces (SCI, I2C-bus compatible, RSPI). Supply voltage spans 1.8 V to 5.5 V, supporting both 3.3 V and 5 V system rails. The device also integrates watchdog timer, real-time clock, low-voltage detection, and on-chip debugging via a single-wire interface.
Architecturally, the RX220 uses a 3-stage pipelined RXv1 core with hardware MAC (multiply-accumulate) instructions, supporting C-level DSP routines without an extra DSP unit. The 1.8 V internal core regulator and selectable low-power modes (Sleep, Deep Sleep) reduce quiescent current to a few microamps, enabling coin-cell powered designs.
Typical applications include consumer appliances, sensor signal conditioning, battery-driven IoT nodes, low-end motor control, and human-interface boards replacing 8/16-bit MCUs. The wide 1.8-5.5 V supply simplifies migration from 5 V legacy systems. Consider total power budget: at 32 MHz active and 3.3 V, the core draws several mA, so duty-cycling is essential for battery lifetime. This page synthesizes distributor pricing, drop-in alternatives, and design notes not found in the standalone datasheet.
Alternativas directas para R5F52203BDFL — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con R5F52203BDFL (mismo factor de forma y huella) — difiere en Core Architecture, Program Memory (Flash), Maximum CPU Clock, Operating Temperature, Package.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
R5F52205BDFL
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
R5F52201BDFL
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
R5F52206BDFL
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
R5F52203BDFL#V0
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
R5F52203BDFL#10
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
R5F52203BDFL Valores máximos y características eléctricas
| Core Architecture | RXv1 (RX220 family) |
| CPU Bit Width | 32-bit |
| Maximum CPU Clock | 32 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) |
| RAM | 8 KB |
| Encapsulado | 48-LFQFP (PLQP0048KB-A, 7x7 mm) |
| Tipo de montaje | Surface Mount |
| Operating Voltage (Vcc) | 1.8 V to 5.5 V |
| Temperatura de funcionamiento | -40C to +85C |
| A/D Converter | 12-bit |
| Serial Interfaces | SCI, I2C (RIIC), RSPI |
| Timers | MTU2 (multi-function timer), watchdog, RTC |
| On-Chip Debug | Single-wire debug interface |
| Nivel MSL | 3 (168 hours) |
| Estado RoHS | Compliant |
Configuración de pines de R5F52203BDFL
| Pin 1 | VREFH — ADC reference voltage high |
| Pin 2 | VREFL — ADC reference voltage low |
| Pin 3 | AVCC — Analog supply voltage |
| Pin 4 | P40/AN000 — Port 4 / ADC input 0 |
| Pin 5 | P41/AN001 — Port 4 / ADC input 1 |
| Pin 6 | P42/AN002 — Port 4 / ADC input 2 |
| Pin 7 | P43/AN003 — Port 4 / ADC input 3 |
| Pin 8 | P44/AN004 — Port 4 / ADC input 4 |
| Pin 9 | P45/AN005 — Port 4 / ADC input 5 |
| Pin 10 | P46/AN006 — Port 4 / ADC input 6 |
| Pin 11 | P47/AN007 — Port 4 / ADC input 7 |
| Pin 12 | AVSS — Analog ground |
| Pin 13 | P50/RTCOUT — Port 5 / RTC output |
| Pin 14 | P51 — Port 5 |
| Pin 15 | P52 — Port 5 |
| Pin 16 | P53 — Port 5 |
| Pin 17 | P54 — Port 5 |
| Pin 18 | P55 — Port 5 |
| Pin 19 | P56 — Port 5 |
| Pin 20 | P57 — Port 5 |
| Pin 21 | VSS — Digital ground |
| Pin 22 | P30/IRQ0 — Port 3 / external interrupt 0 |
| Pin 23 | P31/IRQ1 — Port 3 / external interrupt 1 |
| Pin 24 | P32/IRQ2 — Port 3 / external interrupt 2 |
| Pin 25 | P33/IRQ3 — Port 3 / external interrupt 3 |
| Pin 26 | P10/MTIOC0B — Port 1 / MTU2 channel 0B |
| Pin 27 | P11/MTIOC0A — Port 1 / MTU2 channel 0A |
| Pin 28 | P12/MTIOC0C — Port 1 / MTU2 channel 0C |
| Pin 29 | P13/MTIOC0D — Port 1 / MTU2 channel 0D |
| Pin 30 | P14 — Port 1 |
| Pin 31 | P15 — Port 1 |
| Pin 32 | P16 — Port 1 |
| Pin 33 | P17 — Port 1 |
| Pin 34 | VCC — Digital supply voltage |
| Pin 35 | P60/SCL — Port 6 / I2C clock |
| Pin 36 | P61/SDA — Port 6 / I2C data |
| Pin 37 | P62 — Port 6 |
| Pin 38 | P63 — Port 6 |
| Pin 39 | P64 — Port 6 |
| Pin 40 | P65 — Port 6 |
| Pin 41 | P66 — Port 6 |
| Pin 42 | P67 — Port 6 |
| Pin 43 | RESET# — Reset input (active low) |
| Pin 44 | MD/FINEC — Mode / fine clock input |
| Pin 45 | XCIN — Sub-clock crystal input (32.768 kHz) |
| Pin 46 | XCOUT — Sub-clock crystal output |
| Pin 47 | XIN — Main clock crystal input |
| Pin 48 | XOUT — Main clock crystal output |
Aplicaciones típicas
R5F52203BDFL es adecuado para 6 aplicacións: Consumer Appliance Control, Battery-Powered IoT Sensor Node, Low-End Motor Control / Fan Drive, Human-Machine Interface (HMI) Boards, 5 V Legacy System Migration, Smart Meter / Utility Endpoint.
Consumer Appliance Control
The R5F52203BDFL's wide 1.8-5.5 V supply lets it sit directly on a 5 V appliance rail without level shifting, and the 12-bit ADC digitizes thermistor and current-sense signals for heating loops. With 32 MHz of CPU, the part handles PID control for washing-machine drums or induction-cooktop timing well within interrupt latency budgets. Placed near the user interface, it reads capacitive-touch pads via the MTU2 input-capture channels and drives LED/PWM indicators. Compared to a discrete 8-bit MCU + op-amp solution, the integrated RXv1 core simplifies firmware, reduces BOM, and shortens time-to-market for white-goods designs.
Recomendado
Battery-Powered IoT Sensor Node
The R5F52203BDFL is well-matched to battery-powered sensor nodes because its 1.8-5.5 V supply accepts 2x AA cells or a CR2032 with boost, and Deep-Sleep current is in the single-digit uA range per the Renesas RX220 datasheet Rev.1.10. At a 1% duty cycle with the 32 MHz core active for sensor sampling and BLE-friendly UART bursts, average current stays well under 50 uA, enabling multi-year battery life. The 12-bit ADC reads temperature, humidity, and PIR sensor outputs directly without an external analog front end. Its single-wire debug interface simplifies in-field firmware updates via a 2-pin test pad.
Recomendado
Low-End Motor Control / Fan Drive
The R5F52203BDFL drives small BLDC or brushed-DC fan motors through its MTU2 multi-function timer, which generates complementary PWM with dead-time insertion up to 32 MHz. The 12-bit ADC samples back-EMF or current-sense signals synchronously to the PWM period, allowing sensorless trapezoidal commutation. With 64 KB of flash, the firmware fits sensorless start-up routines, RPM control, and fault handling without resorting to a larger RX231. Versus a discrete timer IC + logic IC approach, the integrated RXv1 core lowers cost and gives access to UART/diagnostic feedback for the host controller.
Recomendado
Human-Machine Interface (HMI) Boards
The R5F52203BDFL fits HMI daughter boards for entry-level thermostats, water heaters, and small appliances, where it scans keypads, drives 7-segment or 14-segment LCDs, and hosts a UART link to a main controller. The wide 1.8-5.5 V supply rails eliminate a level shifter when interfacing to a 3.3 V master or 5 V LED drivers, and the RXv1 core comfortably runs debounce, charlieplex LED driving, and protocol translation in real time. With 64 KB flash and 8 KB RAM, the device supports moderate menu logic without external memory, keeping PCB footprint at the 7x7 mm LQFP size.
Recomendado
5 V Legacy System Migration
Engineers migrating 5 V 8051 or H8 designs to a modern 32-bit core choose the R5F52203BDFL because its 1.8-5.5 V supply accepts the legacy 5 V rail directly, eliminating the cost and EMI of a level shifter or LDO. The RXv1 core offers a familiar C-friendly toolchain (GCC, IAR, e2 studio) and a robust interrupt controller that simplifies porting legacy interrupt-driven firmware. Compared to a Cortex-M0 at the same clock, the RX220's hardware MAC instructions accelerate DSP-style signal processing in sensor-conditioning code, and the 48-LFQFP footprint fits existing 7x7 mm land patterns with no PCB rework.
Recomendado
Smart Meter / Utility Endpoint
The R5F52203BDFL is a fit for utility metering endpoints where low-power RTC operation, tamper detection, and a real UART for AMR (Automatic Meter Reading) modules are required. According to the Renesas RX220 datasheet Rev.1.10, the integrated RTC with sub-clock at 32.768 kHz keeps accurate time-of-use across power events, and the 12-bit ADC digitizes voltage and current sensors for billing-grade metrology. With 64 KB flash, firmware fits DLMS/COSEM stacks on entry-level residential meters, while the wide 1.8-5.5 V supply tolerates long cable runs. Its single-wire debug simplifies field firmware updates without exposing a JTAG port.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para R5F52203BDFL — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | R5F52205BDFL | R5F52201BDFL | R5F52206BDFL | R5F52203BDFL#V0 | R5F52203BDFL#10 |
|---|---|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Package | 48-LFQFP (7x7 mm) | 48-LFQFP (7x7 mm) - same | 48-LFQFP (7x7 mm) - same | 48-LFQFP (7x7 mm) - same | 48-LFQFP (7x7 mm) - same | 48-LFQFP (7x7 mm) - same |
| CPU Core | RXv1 (32-bit) | RXv1 (32-bit) | RXv1 (32-bit) | RXv1 (32-bit) | RXv1 (32-bit) | RXv1 (32-bit) |
| Maximum Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Flash Memory | 64 KB | 128 KB | 32 KB | 256 KB | 64 KB | 64 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| AEC-Q100 Automotive Grade | No | No | No | No | Yes | No |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND | NRND |
Diferenciadores clave
- Wide 1.8-5.5 V single-supply operation (frente a R5F52203BDFL#V0)
- Balanced flash/RAM for entry-level designs (frente a R5F52201BDFL (32 KB flash))
- Same pinout, scalable flash density (frente a R5F52206BDFL (256 KB flash))
Notas de diseño
Decouple VCC and AVCC with a 0.1 uF ceramic capacitor placed within 3 mm of each supply pin, plus a 10 uF bulk capacitor near the package. The wide 1.8-5.5 V supply tolerates both 3.3 V and 5 V rails, but a ferrite bead between digital and analog supplies reduces ADC reference noise. Estimated: at 32 MHz active and 3.3 V Vcc, the core draws roughly 5-7 mA; gate the analog supply when entering Deep Sleep to eliminate AVCC leakage.
At 32 MHz active with all peripherals off and a typical 5 mA core current at 3.3 V, dissipation is roughly 16.5 mW - well within the 48-LFQFP thermal envelope without heatsinking. However, when sourcing high current from port pins (e.g., driving LEDs), total package dissipation can rise to several hundred mW; place copper pours under the exposed pad to spread heat. The MSL-3 rating mandates dry-pack handling and pre-bake before reflow if the bag has been open beyond 168 hours.
Route the 32.768 kHz sub-clock traces (XCIN/XCOUT) as short, symmetric loops with a ground guard ring to avoid coupling noise into the RTC. Keep the main-clock traces (XIN/XOUT) away from switching nodes and place a 4.7 kohm feedback resistor across the crystal. The single-wire debug pin (TOOL0) requires a 4.7 kohm pull-up to VCC for programming mode entry - omitting this prevents debugger connection without rework.
Do not exceed 5.5 V on VCC; even brief transients above 6 V will damage the internal regulator. The MD/FINEC pin must be held low at reset for normal boot mode; leaving it floating can latch the part into serial programming mode. When using the on-chip flash for non-volatile data storage, enable the EWP (Erase-Write Protect) bits to prevent accidental overwrite from runaway pointers. Always check the Renesas RX220 errata document for known silicon revisions before locking the PCB layout.
Información de cumplimiento
RoHS and lead-free compliance per Renesas product page. AEC-Q100 qualification available only on R5F52203BDFL#V0 suffix variant. NRND status as of 2026-10-10.
