R5F571MFCDFC#V0 - RX71M 240MHz 32-bit MCU 2MB Flash | Renesas
Référence : R5F571MFCDFC#V0 ✓ Actif| Qté | Prix unitaire | 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 Présentation
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.
Alternatives de remplacement direct pour R5F571MFCDFC#V0 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
R5F571MFCDFC#30
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
R5F571MGCGFC#V0
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
R5F571MFDGFC#V0
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
R5F571MJHDFC#V0
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
R5F571MFCDFC#V0 Valeurs maximales et caractéristiques électriques
| 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 |
| Boîtier | 176-LFQFP (24x24 mm) |
| Type de montage | Surface Mount |
| Tension d'alimentation | 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 |
| Plage de température de fonctionnement | Industrial, -40C to +85C (package qualified) |
| Statut RoHS | Compliant |
| Lead Free | Yes |
| Part Replacement Indicator | Replacement: R5F571MFCDFC#30 (full-carton version) |
Configuration des broches de R5F571MFCDFC#V0
| Broche 1 | VSS — Ground |
| Broche 2 | MD/FINED — Mode control / FineD pin (per RX71M datasheet) |
| Broche 3 | RES# — Reset, active low |
| Broche 4 | XTAL — External crystal oscillator input |
| Broche 5 | EXTAL — External crystal oscillator output |
| Broche 6 | VCC — Main digital supply |
| Broche 7 | AVCC — Analog supply for ADC/DAC |
| Broche 8 | AVSS — Analog ground |
| Broche 9 | VREFH — ADC high reference |
| Broche 10 | VREFL — ADC low reference |
| Broche 11 | P10/IRQ0 — Port 1.0 / External interrupt 0 |
| Broche 12 | P11/IRQ1 — Port 1.1 / External interrupt 1 |
| Broche 13 | P12/IRQ2 — Port 1.2 / External interrupt 2 |
| Broche 14 | P13/IRQ3 — Port 1.3 / External interrupt 3 |
| Broche 15 | P14/IRQ4 — Port 1.4 / External interrupt 4 |
| Broche 16 | P15/IRQ5 — Port 1.5 / External interrupt 5 |
| Broche 17 | P16/IRQ6 — Port 1.6 / External interrupt 6 |
| Broche 18 | P17/IRQ7 — Port 1.7 / External interrupt 7 |
| Broche 19 | P30/RXD0 — Port 3.0 / UART0 RXD |
| Broche 20 | P31/TXD0 — Port 3.1 / UART0 TXD |
| Broche 21 | P32/SCK0 — Port 3.2 / SCI0 clock |
| Broche 22 | P33/RXD1 — Port 3.3 / UART1 RXD |
| Broche 23 | P34/TXD1 — Port 3.4 / UART1 TXD |
| Broche 24 | P35/SCK1 — Port 3.5 / SCI1 clock |
| Broche 25 | P36/RXD2 — Port 3.6 / UART2 RXD |
| Broche 26 | P37/TXD2 — Port 3.7 / UART2 TXD |
| Broche 27 | P40/SCK2 — Port 4.0 / SCI2 clock |
| Broche 28 | P41/A0 — Port 4.1 / External address A0 |
| Broche 29 | P42/A1 — Port 4.2 / External address A1 |
| Broche 30 | P43/A2 — Port 4.3 / External address A2 |
| Broche 31 | P44/A3 — Port 4.4 / External address A3 |
| Broche 32 | P45/A4 — Port 4.5 / External address A4 |
| Broche 33 | P46/A5 — Port 4.6 / External address A5 |
| Broche 34 | P47/A6 — Port 4.7 / External address A6 |
| Broche 35 | P50/A7 — Port 5.0 / External address A7 |
| Broche 36 | P51/A8 — Port 5.1 / External address A8 |
| Broche 37 | P52/A9 — Port 5.2 / External address A9 |
| Broche 38 | P53/A10 — Port 5.3 / External address A10 |
| Broche 39 | P54/A11 — Port 5.4 / External address A11 |
| Broche 40 | P55/A12 — Port 5.5 / External address A12 |
| Broche 41 | P56/A13 — Port 5.6 / External address A13 |
| Broche 42 | P57/A14 — Port 5.7 / External address A14 |
| Broche 43 | P60/A15 — Port 6.0 / External address A15 |
| Broche 44 | P61/A16 — Port 6.1 / External address A16 |
| Broche 45 | P62/A17 — Port 6.2 / External address A17 |
| Broche 46 | P63/A18 — Port 6.3 / External address A18 |
| Broche 47 | P64/A19 — Port 6.4 / External address A19 |
| Broche 48 | P65/A20/CS0# — Port 6.5 / External address A20 / CS0 |
| Broche 49 | P66/A21/CS1# — Port 6.6 / External address A21 / CS1 |
| Broche 50 | P67/CS2# — Port 6.7 / CS2 |
| Broche 51 | P70/CS3# — Port 7.0 / CS3 |
| Broche 52 | P71/CS4# — Port 7.1 / CS4 |
| Broche 53 | P72/CS5# — Port 7.2 / CS5 |
| Broche 54 | P73/CS6# — Port 7.3 / CS6 |
| Broche 55 | P74/CS7#/WR#/WR0# — Port 7.4 / CS7 / external WR |
| Broche 56 | P75/RD# — Port 7.5 / external RD |
| Broche 57 | P76/WRH#/WR1# — Port 7.6 / external WRH (byte write) |
| Broche 58 | P77/BACK — Port 7.7 / bus acknowledge signal |
| Broche 59 | P80/BS# — Port 8.0 / bus start signal |
| Broche 60 | P81/ALE — Port 8.1 / address latch enable |
| Broche 61 | P82/WAIT# — Port 8.2 / wait request |
| Broche 62 | P83/D0 — Port 8.3 / external data D0 |
| Broche 63 | P84/D1 — Port 8.4 / external data D1 |
| Broche 64 | P85/D2 — Port 8.5 / external data D2 |
| Broche 65 | P86/D3 — Port 8.6 / external data D3 |
| Broche 66 | P87/D4 — Port 8.7 / external data D4 |
| Broche 67 | PA0/D5 — Port A.0 / external data D5 |
| Broche 68 | PA1/D6 — Port A.1 / external data D6 |
| Broche 69 | PA2/D7 — Port A.2 / external data D7 |
| Broche 70 | PA3/D8 — Port A.3 / external data D8 |
| Broche 71 | PA4/D9 — Port A.4 / external data D9 |
| Broche 72 | PA5/D10 — Port A.5 / external data D10 |
| Broche 73 | PA6/D11 — Port A.6 / external data D11 |
| Broche 74 | PA7/D12 — Port A.7 / external data D12 |
| Broche 75 | PB0/D13 — Port B.0 / external data D13 |
| Broche 76 | PB1/D14 — Port B.1 / external data D14 |
| Broche 77 | PB2/D15 — Port B.2 / external data D15 |
| Broche 78 | PB3 — Port B.3 |
| Broche 79 | PB4 — Port B.4 |
| Broche 80 | PB5 — Port B.5 |
| Broche 81 | PB6 — Port B.6 |
| Broche 82 | PB7 — Port B.7 |
| Broche 83 | PC0/MTIOC3A — Port C.0 / MTU3 channel A output |
| Broche 84 | PC1/MTIOC3B — Port C.1 / MTU3 channel B output |
| Broche 85 | PC2/MTIOC3C — Port C.2 / MTU3 channel C output |
| Broche 86 | PC3/MTIOC3D — Port C.3 / MTU3 channel D output |
| Broche 87 | PC4/MTIOC4A — Port C.4 / MTU4 channel A output |
| Broche 88 | PC5/MTIOC4B — Port C.5 / MTU4 channel B output |
| Broche 89 | PC6/MTIOC4C — Port C.6 / MTU4 channel C output |
| Broche 90 | PC7/MTIOC4D — Port C.7 / MTU4 channel D output |
| Broche 91 | PD0/MTIOC8A — Port D.0 / MTU8 channel A output |
| Broche 92 | PD1/MTIOC8B — Port D.1 / MTU8 channel B output |
| Broche 93 | PD2/MTIOC8C — Port D.2 / MTU8 channel C output |
| Broche 94 | PD3/MTIOC8D — Port D.3 / MTU8 channel D output |
| Broche 95 | PD4/MTIOC9A — Port D.4 / MTU9 channel A output |
| Broche 96 | PD5/MTIOC9B — Port D.5 / MTU9 channel B output |
| Broche 97 | PD6/MTIOC9C — Port D.6 / MTU9 channel C output |
| Broche 98 | PD7/MTIOC9D — Port D.7 / MTU9 channel D output |
| Broche 99 | PE0/IRQ8 — Port E.0 / External interrupt 8 |
| Broche 100 | PE1/IRQ9 — Port E.1 / External interrupt 9 |
| Broche 101 | PE2/IRQ10 — Port E.2 / External interrupt 10 |
| Broche 102 | PE3/IRQ11 — Port E.3 / External interrupt 11 |
| Broche 103 | PE4/IRQ12 — Port E.4 / External interrupt 12 |
| Broche 104 | PE5/IRQ13 — Port E.5 / External interrupt 13 |
| Broche 105 | PE6/IRQ14 — Port E.6 / External interrupt 14 |
| Broche 106 | PE7/IRQ15 — Port E.7 / External interrupt 15 |
| Broche 107 | PF0/IRQ16 — Port F.0 / External interrupt 16 |
| Broche 108 | PF1/IRQ17 — Port F.1 / External interrupt 17 |
| Broche 109 | PF2/IRQ18 — Port F.2 / External interrupt 18 |
| Broche 110 | PF3/IRQ19 — Port F.3 / External interrupt 19 |
| Broche 111 | PF4/IRQ20 — Port F.4 / External interrupt 20 |
| Broche 112 | PF5/IRQ21 — Port F.5 / External interrupt 21 |
| Broche 113 | PF6/IRQ22 — Port F.6 / External interrupt 22 |
| Broche 114 | PF7/IRQ23 — Port F.7 / External interrupt 23 |
| Broche 115 | PG0/USB0_DP — Port G.0 / USB0 D+ |
| Broche 116 | PG1/USB0_DM — Port G.1 / USB0 D- |
| Broche 117 | PG2 — Port G.2 |
| Broche 118 | PG3 — Port G.3 |
| Broche 119 | PG4 — Port G.4 |
| Broche 120 | PG5 — Port G.5 |
| Broche 121 | PG6 — Port G.6 |
| Broche 122 | PG7 — Port G.7 |
| Broche 123 | PH0 — Port H.0 |
| Broche 124 | PH1 — Port H.1 |
| Broche 125 | PH2 — Port H.2 |
| Broche 126 | PH3 — Port H.3 |
| Broche 127 | PH4/USB0_VBUS — Port H.4 / USB0 VBUS detect |
| Broche 128 | PH5/USB0_VBUSEN — Port H.5 / USB0 VBUS enable |
| Broche 129 | PH6/USB0_OVRCUR — Port H.6 / USB0 overcurrent |
| Broche 130 | PH7 — Port H.7 |
| Broche 131 | PJ0 — Port J.0 |
| Broche 132 | PJ1 — Port J.1 |
| Broche 133 | PJ2 — Port J.2 |
| Broche 134 | PJ3 — Port J.3 |
| Broche 135 | PJ4 — Port J.4 |
| Broche 136 | PJ5 — Port J.5 |
| Broche 137 | PK0/SCK0 — Port K.0 / SCI0 clock (alt) |
| Broche 138 | PK1/SDA0 — Port K.1 / I2C0 SDA |
| Broche 139 | PK2/SCL0 — Port K.2 / I2C0 SCL |
| Broche 140 | PK3 — Port K.3 |
| Broche 141 | VCC — Main digital supply (additional pin) |
| Broche 142 | VSS — Ground (additional pin) |
| Broche 143 | PL0/RSPCK0 — Port L.0 / SPI0 RSPCK |
| Broche 144 | PL1/MOSI0 — Port L.1 / SPI0 MOSI |
| Broche 145 | PL2/MISO0 — Port L.2 / SPI0 MISO |
| Broche 146 | PL3/SSL00 — Port L.3 / SPI0 SSL00 |
| Broche 147 | PL4 — Port L.4 |
| Broche 148 | PL5 — Port L.5 |
| Broche 149 | PL6 — Port L.6 |
| Broche 150 | PL7 — Port L.7 |
| Broche 151 | PM0 — Port M.0 |
| Broche 152 | PM1 — Port M.1 |
| Broche 153 | PM2 — Port M.2 |
| Broche 154 | PM3 — Port M.3 |
| Broche 155 | PM4 — Port M.4 |
| Broche 156 | PM5 — Port M.5 |
| Broche 157 | PM6 — Port M.6 |
| Broche 158 | PM7 — Port M.7 |
| Broche 159 | PN0 — Port N.0 |
| Broche 160 | PN1 — Port N.1 |
| Broche 161 | PN2 — Port N.2 |
| Broche 162 | PN3 — Port N.3 |
| Broche 163 | PN4 — Port N.4 |
| Broche 164 | PN5 — Port N.5 |
| Broche 165 | PN6 — Port N.6 |
| Broche 166 | PN7 — Port N.7 |
| Broche 167 | VCC — Main digital supply (additional pin) |
| Broche 168 | VSS — Ground (additional pin) |
| Broche 169 | VBATT — RTC battery backup supply |
| Broche 170 | XCIN — Sub-clock crystal input (32 kHz) |
| Broche 171 | XCOUT — Sub-clock crystal output (32 kHz) |
| Broche 172 | EMLE — Emulator enable |
| Broche 173 | MD — Mode control pin |
| Broche 174 | TRST# — JTAG reset |
| Broche 175 | TCK — JTAG clock |
| Broche 176 | TDO/TMS — JTAG TDO/TMS (multiplexed) |
Applications typiques
R5F571MFCDFC#V0 convient pour 6 applications: 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour R5F571MFCDFC#V0 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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 |
Principaux différenciateurs
- 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)
Notes de conception
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.
Informations de conformité
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.
