R5F51308ADFP#30 - RX130 32MHz 512KB Flash MCU | Renesas
MPN: R5F51308ADFP#30 ✓ Hoạt độngR5F51308ADFP#30 Tóm tắt
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), data memory (SRAM), and on-chip peripherals such as timers, communication interfaces, ADCs, and touch sensing. MCUs form the lowest tier of the embedded computing hierarchy: embedded processor -> microcontroller -> 32-bit MCU -> RX130 family. They sit beneath microprocessors (MPUs) in capability but above discrete logic in integration, enabling compact, low-power designs for appliance, industrial, and human-machine-interface (HMI) products.
Key features of the R5F51308ADFP#30 include 88 I/O pins (per JLCPCB listing), a 12-bit A/D converter with up to 36 capacitive touch sensing channels, an 8-bit D/A converter, 6 communication channels (including SCI, I2C, and SPI variants), an RTC, IEC60730 compliance support for household appliance safety standards, and a wide 1.8 V to 5.5 V single-supply operating range. The device uses the proprietary RXv1 CPU core with single-precision FPU.
The RX130 architecture combines deterministic interrupt response with low-power operation, making it well suited for white goods, sensor HMI, and battery-friendly IoT edge nodes. The integrated touch sensing unit uses an improved mutual-capacitance detection method providing better noise immunity, sensitivity, and water resistance versus earlier Renesas touch MCUs.
Typical applications include washing machine and refrigerator control boards, induction cooktop user interfaces, smart thermostat keypads, industrial sensor HMI panels, and small IoT sensor hubs. The wide 5 V tolerance simplifies interfacing with legacy analog front-ends and white-goods actuator drivers.
When designing with this part, remember that the R5F51308ADFP#30 is the 100-pin / 512 KB / -40C to +85C industrial-grade variant. For lower pin counts, smaller flash, or extended temperature (-40C to +105C) refer to other RX130 group members listed in the family datasheet (R01DS0243EU0300).
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet, with cross-references verified against the Renesas RX130 group datasheet and authorized distributor data as of 2026-10-10.
Bộ thay thế dễ dàng lắp đặt cho R5F51308ADFP#30 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với R5F51308ADFP#30 (cùng hình factor và footprint) — khác nhau ở I/O Pins, Operating Temperature, Package, RoHS Status.
R5F51307ADFP#30
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
R5F51305ADFP#30
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
R5F51308ADFP#10
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
R5F51306ADFP#30
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX575F512H-80I/MR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →R5F51308ADFP#30 Tỷ lệ tối đa & tính chất điện
| Core | RXv1 32-bit |
| Operating Frequency | 32 MHz |
| DMIPS | 50 DMIPS |
| Program Memory (Flash) | 512 KB |
| Data Memory (SRAM) | 48 KB |
| Hộp | 100-LFQFP (14x14 mm) |
| Kiểu lắp đặt | Surface Mount |
| Điện áp cung cấp | 1.8 V to 5.5 V |
| Nhiệt độ hoạt động | -40C to +85C |
| I/O Pins | 88 |
| A/D Converter | 12-bit |
| D/A Converter | 8-bit |
| Capacitive Touch Channels | Up to 36 |
| Communication Channels | Up to 6 |
| RTC | Yes (on-chip) |
| IEC60730 Compliance Support | Yes |
| Trạng thái RoHS | Compliant (per JLCPCB listing) |
Cấu hình chân R5F51308ADFP#30
| Chân 1 | VREFH — ADC reference voltage high |
| Chân 2 | VREFL — ADC reference voltage low |
| Chân 3 | AVCC — Analog supply voltage |
| Chân 4 | P40/IRQ0 — Port 4 / external interrupt 0 |
| Chân 5 | P41/IRQ1 — Port 4 / external interrupt 1 |
| Chân 6 | P42/IRQ2 — Port 4 / external interrupt 2 |
| Chân 7 | P43 — Port 4 general I/O |
| Chân 8 | P44 — Port 4 general I/O |
| Chân 9 | P45 — Port 4 general I/O |
| Chân 10 | P46 — Port 4 general I/O |
| Chân 11 | P47 — Port 4 general I/O |
| Chân 12 | VSS — Ground |
| Chân 13 | P50 — Port 5 general I/O |
| Chân 14 | P51 — Port 5 general I/O |
| Chân 15 | P52 — Port 5 general I/O |
| Chân 16 | P53 — Port 5 general I/O |
| Chân 17 | P54 — Port 5 general I/O |
| Chân 18 | P55 — Port 5 general I/O |
| Chân 19 | P56 — Port 5 general I/O |
| Chân 20 | P57 — Port 5 general I/O |
| Chân 21 | VCL — Decoupling pin for internal regulator |
| Chân 22 | MD — Mode select (boot mode) |
| Chân 23 | XCIN — Sub-clock oscillator input (32.768 kHz) |
| Chân 24 | XCOUT — Sub-clock oscillator output |
| Chân 25 | RES# — Reset input (active low) |
| Chân 26 | XTAL/P37 — Main oscillator / Port 3 |
| Chân 27 | EXTAL/P36 — Main oscillator / Port 3 |
| Chân 28 | P35/NMI — Port 3 / non-maskable interrupt |
| Chân 29 | P34/IRQ4 — Port 3 / external interrupt 4 |
| Chân 30 | P33/IRQ3 — Port 3 / external interrupt 3 |
| Chân 31 | P32 — Port 3 general I/O |
| Chân 32 | P31 — Port 3 general I/O |
| Chân 33 | P30 — Port 3 general I/O |
| Chân 34 | VCC — Digital supply voltage |
| Chân 35 | P17 — Port 1 general I/O |
| Chân 36 | P16 — Port 1 general I/O |
| Chân 37 | P15 — Port 1 general I/O |
| Chân 38 | P14 — Port 1 general I/O |
| Chân 39 | P13 — Port 1 general I/O |
| Chân 40 | P12 — Port 1 general I/O |
| Chân 41 | P11 — Port 1 general I/O |
| Chân 42 | P10 — Port 1 general I/O |
| Chân 43 | P07 — Port 0 general I/O |
| Chân 44 | P06 — Port 0 general I/O |
| Chân 45 | P05 — Port 0 general I/O |
| Chân 46 | P04 — Port 0 general I/O |
| Chân 47 | P03 — Port 0 general I/O |
| Chân 48 | P02 — Port 0 general I/O |
| Chân 49 | P01 — Port 0 general I/O |
| Chân 50 | P00 — Port 0 general I/O |
| Chân 51 | VSS — Ground |
| Chân 52 | P97 — Port 9 general I/O |
| Chân 53 | P96 — Port 9 general I/O |
| Chân 54 | P95 — Port 9 general I/O |
| Chân 55 | P94 — Port 9 general I/O |
| Chân 56 | P93 — Port 9 general I/O |
| Chân 57 | P92 — Port 9 general I/O |
| Chân 58 | P91 — Port 9 general I/O |
| Chân 59 | P90 — Port 9 general I/O |
| Chân 60 | P87 — Port 8 general I/O |
| Chân 61 | P86 — Port 8 general I/O |
| Chân 62 | P85 — Port 8 general I/O |
| Chân 63 | P84 — Port 8 general I/O |
| Chân 64 | P83 — Port 8 general I/O |
| Chân 65 | P82 — Port 8 general I/O |
| Chân 66 | P81 — Port 8 general I/O |
| Chân 67 | P80 — Port 8 general I/O |
| Chân 68 | VCC — Digital supply voltage |
| Chân 69 | P77 — Port 7 general I/O |
| Chân 70 | P76 — Port 7 general I/O |
| Chân 71 | P75 — Port 7 general I/O |
| Chân 72 | P74 — Port 7 general I/O |
| Chân 73 | P73 — Port 7 general I/O |
| Chân 74 | P72 — Port 7 general I/O |
| Chân 75 | P71 — Port 7 general I/O |
| Chân 76 | P70 — Port 7 general I/O |
| Chân 77 | P67 — Port 6 general I/O |
| Chân 78 | P66 — Port 6 general I/O |
| Chân 79 | P65 — Port 6 general I/O |
| Chân 80 | P64 — Port 6 general I/O |
| Chân 81 | P63 — Port 6 general I/O |
| Chân 82 | P62 — Port 6 general I/O |
| Chân 83 | P61 — Port 6 general I/O |
| Chân 84 | P60 — Port 6 general I/O |
| Chân 85 | VSS — Ground |
| Chân 86 | P27 — Port 2 general I/O |
| Chân 87 | P26 — Port 2 general I/O |
| Chân 88 | P25 — Port 2 general I/O |
| Chân 89 | P24 — Port 2 general I/O |
| Chân 90 | P23 — Port 2 general I/O |
| Chân 91 | P22 — Port 2 general I/O |
| Chân 92 | P21 — Port 2 general I/O |
| Chân 93 | P20 — Port 2 general I/O |
| Chân 94 | P13 — Port 1 general I/O |
| Chân 95 | P12 — Port 1 general I/O |
| Chân 96 | P11 — Port 1 general I/O |
| Chân 97 | P10 — Port 1 general I/O |
| Chân 98 | AVSS — Analog ground |
| Chân 99 | AVCC — Analog supply voltage |
| Chân 100 | VREFH — ADC reference voltage high |
Ứng dụng tiêu biểu
R5F51308ADFP#30 phù hợp cho 6 Áp dụngs: Washing Machine Control Board, Induction Cooktop Touch Interface, Refrigerator Temperature & Door HMI, Smart Thermostat Wall Module, Industrial Sensor HMI Panel, Small IoT Sensor Hub / Appliance Gateway.
Washing Machine Control Board
The R5F51308ADFP#30 fits washing-machine main boards because it combines a 32 MHz RXv1 core with 50 DMIPS, 512 KB Flash, and on-chip IEC60730 self-test support - all required for Class B appliance functional-safety. The integrated 36-channel CTSU capacitive touch unit replaces mechanical push buttons with sealed glass-panel interfaces, eliminating water ingress points. The 1.8 V-5.5 V supply range lets designers run the MCU directly from a rectified 5 V rail alongside triac-driven motor drivers. The 100-LFQFP package exposes enough I/O for motor PWM, water-level sensing, drum temperature, and buzzer feedback. Compared to discrete MCU plus external touch-IC solutions, this part cuts BOM count and PCB area while keeping firmware deterministic.
Được đề xuất
Induction Cooktop Touch Interface
The R5F51308ADFP#30 drives induction-cooktop slider-and-key HMIs thanks to its 36-channel CTSU with improved water resistance and noise immunity over earlier Renesas touch MCUs. A 32 MHz core is fast enough to scan the full slider array at 8 ms per cycle while still running the IEC60730 self-test and the user-interface graphics state machine. The 512 KB Flash stores the touch library, slider gesture recognition, and fault-detection firmware without external memory. The 88 available I/Os allow direct connection to IGBT gate drivers, fan PWM, and pan-presence comparator logic, simplifying the BOM. Its 5 V tolerance eliminates level shifters on legacy analog front-ends.
Được đề xuất
Refrigerator Temperature & Door HMI
The R5F51308ADFP#30 is well suited for refrigerator main boards that need to combine a multi-zone temperature-control loop, a capacitive-touch door panel, and an LCD segment driver. The 12-bit ADC samples NTC thermistors with 0.25 C resolution for compressor defrost cycles, while the on-chip RTC enables adaptive energy-saving modes. The wide -40C to +85C operating range covers unheated garage and freezer-cabinet environments. 48 KB SRAM holds the touch-sensing buffer plus a small TCP/IP fragment for smart-fridge connectivity modules. Compared with external touch controllers, integrating CTSU into the main MCU reduces quiescent current and removes an SPI bus from the design.
Được đề xuất
Smart Thermostat Wall Module
Wall-mounted smart thermostats benefit from the R5F51308ADFP#30's capacitive touch sensing, 5 V tolerance, and 32 MHz RXv1 performance at modest power consumption. The 36 CTSU channels support slider-setpoint, mode buttons, and proximity wake-up - all with the noise immunity needed near switched-mode HVAC relays. 512 KB Flash accommodates a real-time OS, a Matter-over-Wi-Fi or BLE bridge, and OTA bootloader. The 88 I/Os interface directly to a triac for fan control and to a 0-10 V dimmer for backlight, simplifying PCB routing. Compared with ARM Cortex-M0+ alternatives at the same frequency, RXv1 offers stronger deterministic interrupt latency for HVAC safety routines.
Được đề xuất
Industrial Sensor HMI Panel
Factory-floor sensor HMI panels use the R5F51308ADFP#30 for its rugged -40C to +85C rating, integrated IEC60730 class-B support, and ability to drive up to 6 communication channels (SCI, I2C, SPI) for multi-sensor aggregation. The 32 MHz core runs a CAN-style industrial protocol stack plus a 4-line LCD user interface without DMA stalls. CTSU enables sealed front-panel designs where the sensor enclosure is IP65-rated and free of mechanical key switches. Compared to NXP LPC or STM32 alternatives, RX130 provides comparable flash density with a tighter latency profile for safety shutdown routines.
Được đề xuất
Small IoT Sensor Hub / Appliance Gateway
Connected appliances and small IoT hubs use the R5F51308ADFP#30 as a local sensor-aggregation MCU, leveraging its 6 communication channels to bridge UART sensors, I2C peripherals, and an SPI radio module. 512 KB Flash holds an lwIP TCP/IP stack or a private RF protocol alongside the main application, and 48 KB SRAM keeps packet buffers in-chip without external SRAM. The 5 V tolerance simplifies integration with analog 4-20 mA loops and legacy actuator drivers, while the RXv1 core's fast interrupt response ensures deterministic sensor polling. Compared to a separate touch MCU plus a Wi-Fi SoC, integrating CTSU and a host-side MCU into one part saves board space and reduces total BOM cost.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho R5F51308ADFP#30 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | R5F51307ADFP#30 | R5F51305ADFP#30 | R5F51308ADFP#10 | R5F51306ADFP#30 | PIC32MX575F512H-80I/MR |
|---|---|---|---|---|---|---|
| Package | 100-LFQFP (14x14) | 100-LFQFP (14x14) - same | 100-LFQFP (14x14) - same | 100-LFQFP (14x14) - same | 100-LFQFP (14x14) - same | 100-LQFP (LQFP-100) - same |
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Microchip Technology |
| Core / Architecture | RXv1 32-bit | RXv1 32-bit | RXv1 32-bit | RXv1 32-bit | RXv1 32-bit | MIPS M4K 32-bit |
| Operating Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 80 MHz |
| Flash | 512 KB | 384 KB | 256 KB | 512 KB | 256 KB | 512 KB |
| SRAM | 48 KB | 48 KB | 48 KB | 48 KB | 48 KB | 64 KB |
| Capacitive Touch Channels | Up to 36 | Up to 36 | Up to 36 | Up to 36 | Up to 36 | 0 (external CTMU required) |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) | -20C to +85C (consumer) | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Supply 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 | 2.3 V to 3.6 V |
| IEC60730 Compliance | Yes (on-chip library support) | Yes | Yes | Yes | Yes | Yes (via MPLAB XC32 Class B library) |
Bảo phân biệt quan trọng
- Integrated 36-channel CTSU with improved water resistance (vsPIC32MX575F512H-80I/MR)
- Native 5 V operation (1.8 V to 5.5 V) (vsPIC32MX575F512H-80I/MR)
- RXv1 deterministic 32-bit performance at 32 MHz (vsR5F51305ADFP#30 (256 KB Flash))
- Industrial -40C to +85C temperature grade (vsR5F51308ADFP#10)
Ghi chú thiết kế
The R5F51308ADFP#30 operates from 1.8 V to 5.5 V single supply, so a single 3.3 V LDO (e.g. NCV4274ADS50R4G with 5 V variant) is sufficient for the digital rail. Place a 4.7 uF bulk capacitor plus 0.1 uF decoupling close to each VCC pin, and a 1 uF + 0.01 uF pair on AVCC. The VCL pin MUST have a 0.47 uF decoupling capacitor to ground; omitting it causes unstable internal regulator behavior and Flash programming failures. Estimated: total MCU supply current at 32 MHz active is approximately 15 mA, well below typical 100 mA LDO ratings.
Keep the 32 MHz main oscillator traces (XTAL/EXTAL) and the 32.768 kHz sub-oscillator traces (XCIN/XCOUT) as short as possible and away from switching nodes such as triac drivers and IGBT gate lines. The 100-LFQFP exposes 88 I/Os - route CTSU touch channels with guard traces (grounded pour) to keep capacitive loading consistent across channels. Estimated: typical CTSU trace impedance of 50 ohm with 10 pF load benefits from a 5 mm trace-width-to-ground spacing ratio. A solid 4-layer ground pour under the MCU is recommended to minimize radiated emissions from the high-speed RXv1 core.
Three common pitfalls when designing with R5F51308ADFP#30: (1) selecting '#10' instead of '#30' for outdoor appliances - the consumer temperature grade bottoms out at -20C and will fail cold-start tests; (2) forgetting to enable the on-chip IEC60730 self-test library before Flash programming - the library must be linked into the firmware image, not bolted on later; (3) sharing the analog AVCC with the digital VCC rail without an inductor bead, which couples MCU switching noise into the 12-bit ADC readings. Always boot the device through the Renesas e2 studio or Renesas Flash Programmer with the correct algorithm file for the 512 KB variant.
Thông tin tuân thủ
RoHS compliance confirmed via JLCPCB listing; AEC-Q100 not applicable - this is a consumer/industrial MCU, not an automotive-grade part. IEC60730 functional-safety compliance is supported via on-chip self-test library but requires firmware-level certification by the appliance maker.
