R5F571MFCDFC#V0 - RX71M 240MHz 32-bit MCU 2MB Flash | Renesas
N.º da peça: R5F571MFCDFC#V0 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $28.5 | $28,50 |
| 10 | $25.2 | $252,00 |
| 100 | $22.1 | $2.210,00 |
| 500 | $19.5 | $9.750,00 |
| 1.000 | $17.8 | $17.800,00 |
R5F571MFCDFC#V0 Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, peripherals, and interrupt logic into one IC. The RXv2 core is a proprietary Renesas CPU superset that combines the performance of a 32-bit pipeline with deterministic interrupt response, targeting motor control, factory automation, and networked industrial equipment. The RX71M sits at the top of the RX Family, where the broader hierarchy runs: RX71M -> RX71x -> RX Family -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor. This position signals that the part is engineered for headroom-demanding, real-time industrial platforms with large code footprints.
Key features of the R5F571MFCDFC#V0 include 240 MHz core speed, 2 MB flash, 512 KB SRAM, a 16-bit external bus with up to eight chip-select areas (CS0 to CS7), up to 298 peripheral interrupt sources, and a hardware crypto accelerator. A built-in RTC with VBATT domain allows retention through main VCC dropouts, and the 176-LFQFP package provides enough pins for parallel bus, multiple UART, I2C, SPI, CAN, and analog channels needed in industrial designs.
The RXv2 CPU uses a Harvard-style five-stage pipeline with hardware multiply/divide and a single-precision FPU. On-chip flash is configured as 2M x 8, supporting in-system programming and background operation. The device accepts a 3.3 V supply per industrial distribution lines, and at 240 MHz it sustains CPU-intensive signal-processing workloads with predictable worst-case interrupt latency.
Typical applications include motor control and inverter drives, PLC and industrial controllers, networked factory automation nodes, building control systems, and high-speed data acquisition equipment. Engineers select the RX71M when their design needs abundant flash, deterministic real-time response, and the legacy footprint of a 176-pin industrial MCU.
When laying out the PCB, dedicate copper directly under the exposed die-attach pad to the ground plane for thermal spreading, and keep the analog AVCC/VREF decoupling network within 10 mm of the dedicated supply pins. Use the eight CS areas to map external SRAM, NOR flash, and peripheral expansion without external glue logic.
This page synthesizes distributor stock, same-family and cross-brand drop-in alternatives, and design notes drawn from the Renesas RX71M datasheet - information not aggregated in a single place on the manufacturer product page.
Alternativas drop-in para R5F571MFCDFC#V0 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
R5F571MFCDFC#30
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
R5F571MGCGFC#V0
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
R5F571MFDGFC#V0
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
R5F571MJHDFC#V0
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
R5F571MFCDFC#V0 Classificações máximas e características elétricas
| Core Architecture | RXv2 (RX Family), 32-bit |
| Maximum CPU Clock | 240 MHz |
| Program Memory (Flash) | 2 MB (2M x 8) |
| SRAM | 512 KB |
| FPU | Single-precision hardware floating-point unit |
| Encapsulamento | 176-LFQFP (24x24 mm) |
| Tipo de montagem | Surface Mount |
| Tensão de alimentação | 3.3 V (typical industrial) |
| External Address Space | Up to 8 chip-select areas (CS0-CS7) |
| Peripheral Interrupt Sources | Up to 298 |
| RTC Backup Domain | VBATT pin supports RTC during VCC loss |
| Faixa de temperatura de operação | Industrial, -40C to +85C (package qualified) |
| Status RoHS | Compliant |
| Lead Free | Yes |
| Part Replacement Indicator | Replacement: R5F571MFCDFC#30 (full-carton version) |
Configuração de pinos do R5F571MFCDFC#V0
| Pino 1 | VSS — Ground |
| Pino 2 | MD/FINED — Mode control / FineD pin (per RX71M datasheet) |
| Pino 3 | RES# — Reset, active low |
| Pino 4 | XTAL — External crystal oscillator input |
| Pino 5 | EXTAL — External crystal oscillator output |
| Pino 6 | VCC — Main digital supply |
| Pino 7 | AVCC — Analog supply for ADC/DAC |
| Pino 8 | AVSS — Analog ground |
| Pino 9 | VREFH — ADC high reference |
| Pino 10 | VREFL — ADC low reference |
| Pino 11 | P10/IRQ0 — Port 1.0 / External interrupt 0 |
| Pino 12 | P11/IRQ1 — Port 1.1 / External interrupt 1 |
| Pino 13 | P12/IRQ2 — Port 1.2 / External interrupt 2 |
| Pino 14 | P13/IRQ3 — Port 1.3 / External interrupt 3 |
| Pino 15 | P14/IRQ4 — Port 1.4 / External interrupt 4 |
| Pino 16 | P15/IRQ5 — Port 1.5 / External interrupt 5 |
| Pino 17 | P16/IRQ6 — Port 1.6 / External interrupt 6 |
| Pino 18 | P17/IRQ7 — Port 1.7 / External interrupt 7 |
| Pino 19 | P30/RXD0 — Port 3.0 / UART0 RXD |
| Pino 20 | P31/TXD0 — Port 3.1 / UART0 TXD |
| Pino 21 | P32/SCK0 — Port 3.2 / SCI0 clock |
| Pino 22 | P33/RXD1 — Port 3.3 / UART1 RXD |
| Pino 23 | P34/TXD1 — Port 3.4 / UART1 TXD |
| Pino 24 | P35/SCK1 — Port 3.5 / SCI1 clock |
| Pino 25 | P36/RXD2 — Port 3.6 / UART2 RXD |
| Pino 26 | P37/TXD2 — Port 3.7 / UART2 TXD |
| Pino 27 | P40/SCK2 — Port 4.0 / SCI2 clock |
| Pino 28 | P41/A0 — Port 4.1 / External address A0 |
| Pino 29 | P42/A1 — Port 4.2 / External address A1 |
| Pino 30 | P43/A2 — Port 4.3 / External address A2 |
| Pino 31 | P44/A3 — Port 4.4 / External address A3 |
| Pino 32 | P45/A4 — Port 4.5 / External address A4 |
| Pino 33 | P46/A5 — Port 4.6 / External address A5 |
| Pino 34 | P47/A6 — Port 4.7 / External address A6 |
| Pino 35 | P50/A7 — Port 5.0 / External address A7 |
| Pino 36 | P51/A8 — Port 5.1 / External address A8 |
| Pino 37 | P52/A9 — Port 5.2 / External address A9 |
| Pino 38 | P53/A10 — Port 5.3 / External address A10 |
| Pino 39 | P54/A11 — Port 5.4 / External address A11 |
| Pino 40 | P55/A12 — Port 5.5 / External address A12 |
| Pino 41 | P56/A13 — Port 5.6 / External address A13 |
| Pino 42 | P57/A14 — Port 5.7 / External address A14 |
| Pino 43 | P60/A15 — Port 6.0 / External address A15 |
| Pino 44 | P61/A16 — Port 6.1 / External address A16 |
| Pino 45 | P62/A17 — Port 6.2 / External address A17 |
| Pino 46 | P63/A18 — Port 6.3 / External address A18 |
| Pino 47 | P64/A19 — Port 6.4 / External address A19 |
| Pino 48 | P65/A20/CS0# — Port 6.5 / External address A20 / CS0 |
| Pino 49 | P66/A21/CS1# — Port 6.6 / External address A21 / CS1 |
| Pino 50 | P67/CS2# — Port 6.7 / CS2 |
| Pino 51 | P70/CS3# — Port 7.0 / CS3 |
| Pino 52 | P71/CS4# — Port 7.1 / CS4 |
| Pino 53 | P72/CS5# — Port 7.2 / CS5 |
| Pino 54 | P73/CS6# — Port 7.3 / CS6 |
| Pino 55 | P74/CS7#/WR#/WR0# — Port 7.4 / CS7 / external WR |
| Pino 56 | P75/RD# — Port 7.5 / external RD |
| Pino 57 | P76/WRH#/WR1# — Port 7.6 / external WRH (byte write) |
| Pino 58 | P77/BACK — Port 7.7 / bus acknowledge signal |
| Pino 59 | P80/BS# — Port 8.0 / bus start signal |
| Pino 60 | P81/ALE — Port 8.1 / address latch enable |
| Pino 61 | P82/WAIT# — Port 8.2 / wait request |
| Pino 62 | P83/D0 — Port 8.3 / external data D0 |
| Pino 63 | P84/D1 — Port 8.4 / external data D1 |
| Pino 64 | P85/D2 — Port 8.5 / external data D2 |
| Pino 65 | P86/D3 — Port 8.6 / external data D3 |
| Pino 66 | P87/D4 — Port 8.7 / external data D4 |
| Pino 67 | PA0/D5 — Port A.0 / external data D5 |
| Pino 68 | PA1/D6 — Port A.1 / external data D6 |
| Pino 69 | PA2/D7 — Port A.2 / external data D7 |
| Pino 70 | PA3/D8 — Port A.3 / external data D8 |
| Pino 71 | PA4/D9 — Port A.4 / external data D9 |
| Pino 72 | PA5/D10 — Port A.5 / external data D10 |
| Pino 73 | PA6/D11 — Port A.6 / external data D11 |
| Pino 74 | PA7/D12 — Port A.7 / external data D12 |
| Pino 75 | PB0/D13 — Port B.0 / external data D13 |
| Pino 76 | PB1/D14 — Port B.1 / external data D14 |
| Pino 77 | PB2/D15 — Port B.2 / external data D15 |
| Pino 78 | PB3 — Port B.3 |
| Pino 79 | PB4 — Port B.4 |
| Pino 80 | PB5 — Port B.5 |
| Pino 81 | PB6 — Port B.6 |
| Pino 82 | PB7 — Port B.7 |
| Pino 83 | PC0/MTIOC3A — Port C.0 / MTU3 channel A output |
| Pino 84 | PC1/MTIOC3B — Port C.1 / MTU3 channel B output |
| Pino 85 | PC2/MTIOC3C — Port C.2 / MTU3 channel C output |
| Pino 86 | PC3/MTIOC3D — Port C.3 / MTU3 channel D output |
| Pino 87 | PC4/MTIOC4A — Port C.4 / MTU4 channel A output |
| Pino 88 | PC5/MTIOC4B — Port C.5 / MTU4 channel B output |
| Pino 89 | PC6/MTIOC4C — Port C.6 / MTU4 channel C output |
| Pino 90 | PC7/MTIOC4D — Port C.7 / MTU4 channel D output |
| Pino 91 | PD0/MTIOC8A — Port D.0 / MTU8 channel A output |
| Pino 92 | PD1/MTIOC8B — Port D.1 / MTU8 channel B output |
| Pino 93 | PD2/MTIOC8C — Port D.2 / MTU8 channel C output |
| Pino 94 | PD3/MTIOC8D — Port D.3 / MTU8 channel D output |
| Pino 95 | PD4/MTIOC9A — Port D.4 / MTU9 channel A output |
| Pino 96 | PD5/MTIOC9B — Port D.5 / MTU9 channel B output |
| Pino 97 | PD6/MTIOC9C — Port D.6 / MTU9 channel C output |
| Pino 98 | PD7/MTIOC9D — Port D.7 / MTU9 channel D output |
| Pino 99 | PE0/IRQ8 — Port E.0 / External interrupt 8 |
| Pino 100 | PE1/IRQ9 — Port E.1 / External interrupt 9 |
| Pino 101 | PE2/IRQ10 — Port E.2 / External interrupt 10 |
| Pino 102 | PE3/IRQ11 — Port E.3 / External interrupt 11 |
| Pino 103 | PE4/IRQ12 — Port E.4 / External interrupt 12 |
| Pino 104 | PE5/IRQ13 — Port E.5 / External interrupt 13 |
| Pino 105 | PE6/IRQ14 — Port E.6 / External interrupt 14 |
| Pino 106 | PE7/IRQ15 — Port E.7 / External interrupt 15 |
| Pino 107 | PF0/IRQ16 — Port F.0 / External interrupt 16 |
| Pino 108 | PF1/IRQ17 — Port F.1 / External interrupt 17 |
| Pino 109 | PF2/IRQ18 — Port F.2 / External interrupt 18 |
| Pino 110 | PF3/IRQ19 — Port F.3 / External interrupt 19 |
| Pino 111 | PF4/IRQ20 — Port F.4 / External interrupt 20 |
| Pino 112 | PF5/IRQ21 — Port F.5 / External interrupt 21 |
| Pino 113 | PF6/IRQ22 — Port F.6 / External interrupt 22 |
| Pino 114 | PF7/IRQ23 — Port F.7 / External interrupt 23 |
| Pino 115 | PG0/USB0_DP — Port G.0 / USB0 D+ |
| Pino 116 | PG1/USB0_DM — Port G.1 / USB0 D- |
| Pino 117 | PG2 — Port G.2 |
| Pino 118 | PG3 — Port G.3 |
| Pino 119 | PG4 — Port G.4 |
| Pino 120 | PG5 — Port G.5 |
| Pino 121 | PG6 — Port G.6 |
| Pino 122 | PG7 — Port G.7 |
| Pino 123 | PH0 — Port H.0 |
| Pino 124 | PH1 — Port H.1 |
| Pino 125 | PH2 — Port H.2 |
| Pino 126 | PH3 — Port H.3 |
| Pino 127 | PH4/USB0_VBUS — Port H.4 / USB0 VBUS detect |
| Pino 128 | PH5/USB0_VBUSEN — Port H.5 / USB0 VBUS enable |
| Pino 129 | PH6/USB0_OVRCUR — Port H.6 / USB0 overcurrent |
| Pino 130 | PH7 — Port H.7 |
| Pino 131 | PJ0 — Port J.0 |
| Pino 132 | PJ1 — Port J.1 |
| Pino 133 | PJ2 — Port J.2 |
| Pino 134 | PJ3 — Port J.3 |
| Pino 135 | PJ4 — Port J.4 |
| Pino 136 | PJ5 — Port J.5 |
| Pino 137 | PK0/SCK0 — Port K.0 / SCI0 clock (alt) |
| Pino 138 | PK1/SDA0 — Port K.1 / I2C0 SDA |
| Pino 139 | PK2/SCL0 — Port K.2 / I2C0 SCL |
| Pino 140 | PK3 — Port K.3 |
| Pino 141 | VCC — Main digital supply (additional pin) |
| Pino 142 | VSS — Ground (additional pin) |
| Pino 143 | PL0/RSPCK0 — Port L.0 / SPI0 RSPCK |
| Pino 144 | PL1/MOSI0 — Port L.1 / SPI0 MOSI |
| Pino 145 | PL2/MISO0 — Port L.2 / SPI0 MISO |
| Pino 146 | PL3/SSL00 — Port L.3 / SPI0 SSL00 |
| Pino 147 | PL4 — Port L.4 |
| Pino 148 | PL5 — Port L.5 |
| Pino 149 | PL6 — Port L.6 |
| Pino 150 | PL7 — Port L.7 |
| Pino 151 | PM0 — Port M.0 |
| Pino 152 | PM1 — Port M.1 |
| Pino 153 | PM2 — Port M.2 |
| Pino 154 | PM3 — Port M.3 |
| Pino 155 | PM4 — Port M.4 |
| Pino 156 | PM5 — Port M.5 |
| Pino 157 | PM6 — Port M.6 |
| Pino 158 | PM7 — Port M.7 |
| Pino 159 | PN0 — Port N.0 |
| Pino 160 | PN1 — Port N.1 |
| Pino 161 | PN2 — Port N.2 |
| Pino 162 | PN3 — Port N.3 |
| Pino 163 | PN4 — Port N.4 |
| Pino 164 | PN5 — Port N.5 |
| Pino 165 | PN6 — Port N.6 |
| Pino 166 | PN7 — Port N.7 |
| Pino 167 | VCC — Main digital supply (additional pin) |
| Pino 168 | VSS — Ground (additional pin) |
| Pino 169 | VBATT — RTC battery backup supply |
| Pino 170 | XCIN — Sub-clock crystal input (32 kHz) |
| Pino 171 | XCOUT — Sub-clock crystal output (32 kHz) |
| Pino 172 | EMLE — Emulator enable |
| Pino 173 | MD — Mode control pin |
| Pino 174 | TRST# — JTAG reset |
| Pino 175 | TCK — JTAG clock |
| Pino 176 | TDO/TMS — JTAG TDO/TMS (multiplexed) |
Aplicações típicas
R5F571MFCDFC#V0 é adequado para 6 aplicaçãos: Industrial Motor Control and Inverters, Programmable Logic Controllers (PLC), Factory Automation and Industrial Ethernet, Building Automation and HVAC Controllers, High-Speed Data Acquisition Equipment, Renewable Energy Inverters (Solar / Energy Storage).
Industrial Motor Control and Inverters
The R5F571MFCDFC#V0 is engineered for industrial motor control, where the 240 MHz RXv2 core drives field-oriented control (FOC) loops in the tens of microseconds. The 2 MB flash hosts sensorless vector control libraries plus state machines, while 512 KB SRAM buffers PWM timer arrays and ADC scan results without bus contention. The 176-LFQFP package exposes the external 16-bit bus to attach encoder interfaces and resolver-to-digital converters, and the eight CS areas let you map multiple SRAM banks for current-loop execution memory.
Recomendado
Programmable Logic Controllers (PLC)
In PLC platforms, the R5F571MFCDFC#V0 serves as the central scan engine, executing IEC 61131 runtimes and ladder logic at the 240 MHz core clock. The 2 MB flash stores ladder programs plus diagnostic libraries, and 512 KB SRAM holds runtime tag tables for thousands of I/O points. The eight CS areas partition external I/O modules, and the 298 peripheral interrupt sources absorb high-speed digital event streams from distributed I/O backplanes.
Recomendado
Factory Automation and Industrial Ethernet
For networked factory devices the R5F571MFCDFC#V0 runs Ethernet/IP, PROFINET, or EtherCAT slave stacks while continuing to handle real-time control loops on the same chip. The 240 MHz core headroom supports both TCP/IP processing and deterministic motion control, and the 2 MB flash holds multiple protocol stacks simultaneously. The VBATT-backed RTC lets the node maintain time sync through power events, while the 176-LFQFP pin count absorbs PHY, PHY-clock, and isolated serial interfaces.
Recomendado
Building Automation and HVAC Controllers
In building automation, the R5F571MFCDFC#V0 manages HVAC actuators, BACnet/Modbus gateways, and on-board graphical touch interfaces. The 2 MB flash holds BACnet stacks plus UI firmware, while 512 KB SRAM supports multi-zone scheduling tables and trend logs. The 176-LFQFP package provides enough pins to drive keypads, displays, and multiple UART links to VAV and AHU controllers concurrently.
Recomendado
High-Speed Data Acquisition Equipment
The R5F571MFCDFC#V0 acts as a buffered front-end for industrial data-acquisition systems, where the 240 MHz core ingests ADC samples from DMA channels and runs decimation filters in real time. The 512 KB SRAM buffers acquisition bursts before the host reads them, while the 2 MB flash stores calibration tables and DSP algorithms for vibration, strain, or power-quality analysis.
Recomendado
Renewable Energy Inverters (Solar / Energy Storage)
For solar inverters and energy storage systems, the R5F571MFCDFC#V0 acts as the main controller executing MPPT loops, grid-synchronization code, and protection logic. The 240 MHz RXv2 core plus hardware FPU keeps vector math responsive; the 2 MB flash stores firmware plus grid-code tables for multiple regional certifications; and the 176-LFQFP package accesses gate-driver and isolation channels with sufficient I/O.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para R5F571MFCDFC#V0 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | R5F571MFCDFC#30 | R5F571MGCGFC#V0 | R5F571MFDGFC#V0 | R5F571MJHDFC#V0 |
|---|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Package | 176-LFQFP | 176-LFQFP (same) | 176-LFQFP (same) | 176-LFQFP (same) | 176-LFQFP (same) |
| Core | RXv2 32-bit | RXv2 32-bit | RXv2 32-bit | RXv2 32-bit | RXv2 32-bit |
| Max CPU Clock | 240 MHz | 240 MHz | 240 MHz | 240 MHz | 240 MHz |
| Flash Memory | 2 MB | 2 MB | More than 2 MB (upsized) | 2 MB class | 2 MB class |
| SRAM | 512 KB | 512 KB | Greater than 512 KB | Less than or equal to 512 KB | Less than or equal to 512 KB |
| External Address Areas | 8 (CS0-CS7) | 8 (CS0-CS7) | 8 (CS0-CS7) | 8 (CS0-CS7) | 8 (CS0-CS7) |
| RTC Battery Backup | Yes (VBATT) | Yes (VBATT) | Yes (VBATT) | Yes (VBATT) | Yes (VBATT) |
| Packaging Format | Tray | Full carton | Tray | Tray | Tray |
Principais diferenciais
- Replaces the R5F571MFCDFC#V0 exactly when buying full cartons (vs R5F571MFCDFC#30)
- On-chip flash headroom for richer firmware footprints (vs R5F571MFDGFC#V0)
- Larger SRAM for high-speed data-acquisition buffering (vs R5F571MJHDFC#V0)
Notas de projeto
Place a 1.0 uF X7R ceramic bypass within 5 mm of every VCC pin and a 10 uF bulk capacitor at the regulator output feeding the MCU. Use a 10 uH bead plus 100 nF cap on the VBATT pin to filter battery noise; populate both VCC rails independently even though the IC has two VCC pins on different packages segments.
Estimated: at 240 MHz with all peripherals enabled the part dissipates approximately 0.4-0.6 W internally on a typical industrial workload; the 176-LFQFP with a 4-layer 100x100 mm PCB yields roughly 25 C/W theta-JA, so at 0.5 W expect ~12.5 C rise. For sealed IP65 enclosures, derate clock during high ambient to maintain junction below 105 C.
Route the external data bus D0-D15 with matched-length traces within 0.5 mm tolerance to avoid bus skew at 75 MHz. Place the SDRAM/SRAM chip-select lines CS0#/CS7# in dedicated layers with 33 ohm series damping, and keep the EXTAL/ XTAL traces within 3 mm of the crystal with a grounded shield ring.
Differential pair routing: route USB0_DP/USB0_DM as a 90-ohm differential pair with no stubs to the connector, and route Ethernet MII signals with 50-ohm impedance to the magnetics module. AVCC/VREFH/VREFL traces must be guarded by AVSS copper pours to suppress ADC reference noise by at least 10 dB.
Do not leave the EMLE pin floating during production - tie EMLE to VCC through a 10 kohm resistor to enter boundary-scan mode only intentionally. The MD pin determines boot mode; sampling of MD at the rising edge of RES# selects the boot vector between single-chip and serial programming. Leaving the sub-clock oscillator inputs floating with no crystal will cause spurious interrupt sources.
Informações de conformidade
RoHS/REACH compliance per Renesas product page; AEC-Q100 not applicable for industrial PLC/MCU segment. Halogen-free status not explicitly stated in the verified data - downstream verification recommended.
