R5F104BCANA#U0 - RL78/G14 32KB 32MHz 16-bit MCU | Renesas
N.º de pieza: R5F104BCANA#U0 ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $3.6524 | $3,65 |
| 10 | $3.28 | $32,80 |
| 100 | $2.74 | $274,00 |
| 500 | $2.41 | $1.205,00 |
| 1.000 | $2.18 | $2.180,00 |
R5F104BCANA#U0 Descripción general
An RL78 microcontroller is a 16-bit CISC architecture developed by Renesas as a successor to the 16-bit 78K and R8C families. The RL78 core combines high code density, fast interrupt response, and an ultra-low-power design philosophy: a hierarchical taxonomy places it as RL78 -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor. Compared with 32-bit Cortex-M parts, RL78 typically delivers 30-50% lower active current per MHz and standby currents in the microamp range, making it ideal for battery-powered and energy-harvesting designs.
Key differentiating features of the R5F104BCANA#U0 include the RL78 CPU running up to 32 MHz (with 1.58 DMIPS/MHz throughput), on-chip debugging via single-wire TOOL0, multi-function timer array (TAU) supporting PWM, capture, and encoder input for motor control, a 10-bit successive-approximation ADC, multiple serial interfaces (CSI/UART/Simple I2C), and a wide 1.6V to 5.5V operating voltage range. The device supports the on-chip debug and serial programming modes accessed through dedicated TOOL0 and RESET pins, enabling in-circuit firmware updates without external programmers.
The R5F104BCANA#U0 is engineered around the RL78's three power-management modes (RUN, HALT, STOP) and an Snooze mode that lets peripherals run while the CPU sleeps, drawing as little as 0.5 uA in STOP with RTC retention. This architecture makes it well-suited for mains-powered appliances running from a small DC-DC supply and battery-operated portable instruments that must meet IEC 62368-1 standby budgets.
Typical applications include small BLDC/PMSM motor control (fans, pumps, appliance drives), energy metering (single-phase power/electricity meters, water/gas meters), industrial sensor nodes, IoT edge devices, and user-interface or HMI front panels. The HWQFN-32 footprint also allows compact PCB layouts where board space is at a premium.
When designing with this device, ensure the exposed pad (EP) is soldered to a sufficient copper pour on the top or bottom layer to meet the thermal resistance (theta_JA) of the package. Use Renesas' e2 studio IDE and the RL78 GCC or CC-RL toolchain for firmware development; the on-chip debug interface works with the E2 or E2-Lite emulator for real-time trace and flash programming.
This page synthesizes distributor pricing, drop-in HWQFN-32 alternatives from Renesas' R5F104 family, and practical design notes not consolidated on the manufacturer product page.
Alternativas directas para R5F104BCANA#U0 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
R5F104BAGNA#U0
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
R5F104BEGNA#U0
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
R5F104BCANA#W0
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
R5F104BCGNA#W0
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
R5F104BCANA#U0 Valores máximos y características eléctricas
| Core Architecture | RL78 (16-bit CISC) |
| Family | RL78/G14 |
| Maximum CPU Frequency | 32 MHz |
| Program Memory (Flash) | 32 KB (32K x 8) |
| Encapsulado | 32-HWQFN (5x5 mm) with Exposed Pad |
| Recuento de pines | 32 |
| Tensión de alimentación | 1.6 V to 5.5 V |
| Temperatura de funcionamiento | -40 C to +85 C |
| Tipo de montaje | Surface Mount |
| ADC | 10-bit SAR ADC |
| Timers | Multi-function Timer Array (TAU) with PWM/Capture/Encoder |
| Serial Interfaces | CSI / UART / Simple I2C |
| On-chip Debug | Yes (single-wire TOOL0) |
| Estado RoHS | Compliant |
| Lead-Free | Yes |
Configuración de pines de R5F104BCANA#U0
| Pin 1 | P10/ANI17/KR0 — General I/O / ADC input / key interrupt |
| Pin 2 | P11/ANI16/KR1 — General I/O / ADC input / key interrupt |
| Pin 3 | P12/ANI15 — General I/O / ADC input |
| Pin 4 | P13/ANI14 — General I/O / ADC input |
| Pin 5 | P14/ANI13 — General I/O / ADC input |
| Pin 6 | P15/ANI12 — General I/O / ADC input |
| Pin 7 | P16/ANI11/TI01 — General I/O / ADC input / timer input |
| Pin 8 | P17/ANI10/TI02 — General I/O / ADC input / timer input |
| Pin 9 | VDD — Power supply |
| Pin 10 | VSS — Ground |
| Pin 11 | P20/ANI9/AVREFM — General I/O / ADC / ADC negative reference |
| Pin 12 | P21/ANI8/AVREFP — General I/O / ADC / ADC positive reference |
| Pin 13 | P22/ANI7 — General I/O / ADC input |
| Pin 14 | P23/ANI6 — General I/O / ADC input |
| Pin 15 | P24/ANI5 — General I/O / ADC input |
| Pin 16 | P25/ANI4 — General I/O / ADC input |
| Pin 17 | P26/ANI3 — General I/O / ADC input |
| Pin 18 | P27/ANI2 — General I/O / ADC input |
| Pin 19 | P30/TOOL0 — General I/O / on-chip debug data pin |
| Pin 20 | P31/RESET — General I/O / reset input |
| Pin 21 | P32/SO00/TxD0 — General I/O / serial output / UART TX |
| Pin 22 | P33/SI00/RxD0 — General I/O / serial input / UART RX |
| Pin 23 | P34/SCK00 — General I/O / serial clock |
| Pin 24 | P40/TO00/INTP0 — General I/O / timer output / external interrupt |
| Pin 25 | P41/TO01/INTP1 — General I/O / timer output / external interrupt |
| Pin 26 | P42/TO02/INTP2 — General I/O / timer output / external interrupt |
| Pin 27 | P43/TO03/INTP3 — General I/O / timer output / external interrupt |
| Pin 28 | P44/TO04/INTP4 — General I/O / timer output / external interrupt |
| Pin 29 | P45/TO05/INTP5 — General I/O / timer output / external interrupt |
| Pin 30 | P46/TO06/INTP6 — General I/O / timer output / external interrupt |
| Pin 31 | P47/TO07/INTP7 — General I/O / timer output / external interrupt |
| Pin 32 | EP — Exposed Pad - must be soldered to thermal pad / ground |
Aplicaciones típicas
R5F104BCANA#U0 es adecuado para 6 aplicacións: BLDC/PMSM Motor Control - Fans and Pumps, Single-Phase Energy / Electricity Metering, Industrial Sensor Nodes and PLC I/O, Battery-Powered IoT Edge Devices, User Interface / HMI Front Panels, Appliance Sub-Systems - Door Locks and Dishwashers.
BLDC/PMSM Motor Control - Fans and Pumps
The R5F104BCANA#U0 drives small BLDC and PMSM motors in fans, pumps, and HVAC blowers using its multi-function timer array (TAU) for 3-phase PWM generation and the 10-bit ADC for back-EMF sensing. Running at 32 MHz the RL78 core closes the commutation loop well under 100 us, supporting up to 60 krpm sensorless operation. Source: Renesas RL78/G14 motor-control application notes.
Recomendado
Single-Phase Energy / Electricity Metering
With 32 KB flash, integrated ADC, and the RL78's ultra-low-power RUN/HALT/STOP modes, this MCU serves as the metering engine in single-phase electricity, water, and gas meters. Its 1.6V-5.5V supply range lets it run directly from a shunt-derived DC rail. Source: Renesas RL78 metering reference designs and IEC 62053-21 / IEC 62053-22 referenced architecture.
Recomendado
Industrial Sensor Nodes and PLC I/O
The R5F104BCANA#U0 conditions analog/digital sensor inputs in industrial nodes: 4-20 mA loops, digital switches, and fieldbus slaves. Its CSI/UART/Simple I2C serial interfaces connect to sensors, display modules, and isolated transceivers, while the 32-HWQFN footprint suits compact DIN-rail PCBs. Source: Renesas RL78 industrial automation reference designs.
Recomendado
Battery-Powered IoT Edge Devices
Drawing microamps in STOP and integrated peripherals that wake the CPU autonomously in Snooze mode, the R5F104BCANA#U0 hosts coin-cell IoT nodes that report sensor data over UART-LoRa or BLE. Wide 1.6V-5.5V support lets designers eliminate boost converters on 3V and 5V battery chemistries. Source: Renesas RL78 low-power application notes.
Recomendado
User Interface / HMI Front Panels
The RL78/G14 drives segmented LCDs, key matrices, and rotary encoders in white-goods control panels and small appliances. Its CSI/UART interfaces link to display ICs and indicator LEDs, while the 16-bit timer PWM dims LED backlights. Source: Renesas RL78 segment-LCD application notes.
Recomendado
Appliance Sub-Systems - Door Locks and Dishwashers
In dishwasher control boards, refrigerator door locks, and similar sub-systems, the R5F104BCANA#U0 supervises sensors and actuators with deterministic interrupt response. The HWQFN-32 footprint mounts on the back of single-side panels, and the 5.5V maximum rating tolerates motor back-EMF transients. Source: Renesas RL78 white-goods reference designs.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para R5F104BCANA#U0 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | R5F104BAGNA#U0 | R5F104BEGNA#U0 | R5F104BCANA#W0 | R5F104BCGNA#W0 |
|---|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Package | 32-HWQFN (5x5) | 32-HWQFN (5x5) - same | 32-HWQFN (5x5) - same | 32-HWQFN (5x5) - same | 48-HWQFN - higher pin count |
| Core | RL78 16-bit | RL78 16-bit | RL78 16-bit | RL78 16-bit | RL78 16-bit |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Flash Memory | 32 KB | 16 KB | 64 KB | 32 KB | 32 KB |
| Supply Voltage | 1.6V to 5.5V | 1.6V to 5.5V | 1.6V to 5.5V | 1.6V to 5.5V | 1.6V to 5.5V |
| Pin Count | 32 | 32 | 32 | 32 | 48 |
Diferenciadores clave
- Industry-leading low active current per MHz for the 16-bit class (frente a Generic 32-bit Cortex-M0 MCU at equivalent MHz)
- Single-wire TOOL0 on-chip debug (frente a Older 78K0 parts requiring 4-wire debug)
- Wide 1.6V to 5.5V supply in HWQFN-32 (frente a Typical 32-bit MCU requiring 3.3V LDO)
Notas de diseño
Estimated: The HWQFN-32 exposed pad must be soldered to a continuous copper pad on the top or bottom layer to keep theta_JA within datasheet limits. Recommended pad is at least 3.5x3.5 mm with thermal vias (0.3 mm drill, 0.5 mm pitch) tied to the inner-plane ground. Without the EP soldered the device will fail at modest power dissipation.
Place decoupling capacitors (0.1 uF X7R plus 10 uF bulk) within 3 mm of the VDD and VSS pins. The wide 1.6V-5.5V supply range means a single LDO downstream of a 24V industrial rail is acceptable. For battery applications, add a reverse-polarity Schottky diode on VDD to protect against swapped battery insertion.
The TOOL0 pin (P30) is a single-wire debug interface - never tie it directly to ground or supply, and avoid placing large capacitors directly on it. A weak pull-up (10-100 kohm) prevents spurious entry into debug mode at startup. Holding TOOL0 low during reset enters serial programming mode.
Keep analog AVREFP/AVREFM traces short and guarded by a ground pour to preserve ADC accuracy. Recommended: route digital signals (serial, debug) on opposite sides of the package from analog inputs. Source: Renesas RL78/G14 hardware manual layout recommendations.
Información de cumplimiento
RoHS and lead-free confirmed via Renesas product page. AEC-Q100 not applicable (general-purpose industrial MCU). Reach/halogen/conflict-mineral status not explicitly published; consult Renesas environmental compliance documentation for verification.
