R5F52316ADFP#10 - 54MHz RX231 256KB Flash MCU | Renesas
MPN: R5F52316ADFP#10 ✓ Hoạt độngR5F52316ADFP#10 Tóm tắt
What is a low-power high-performance RX MCU? The RX231 belongs to Renesas' RX200 family of low-power 32-bit microcontrollers based on the RXv2 architecture, which combines an enhanced Harvard bus with a hardware FPU and DSP extensions. Within the broader taxonomy, R5F52316ADFP#10 is a microcontroller (MCU) -> embedded processor -> semiconductor, positioned for energy-conscious applications that still require DSP-class math and rich connectivity.
Key features include a wide operating voltage range from 1.8 V to 5.5 V, integrated 12-bit A/D converter with up to 4 channels of D/A, real-time clock, and security functions such as a unique hardware ID and AES-style acceleration. It also integrates a capacitive touch sensing unit (CTSU) that simplifies implementing waterproof touch buttons and sliders without external components. Multiple low-power modes - including deep software standby drawing only a few microamps - extend battery life across portable and always-on use cases.
From an architectural standpoint, the RXv2 core features a 5-stage pipeline, single-cycle MAC, and dedicated FPU, achieving up to 1.65 DMIPS/MHz. The MCU supports up to 70 GPIO pins, multiple serial interfaces (SCI, I2C, SPI, RSPI), and an external bus interface for memory expansion. ECC on flash and SRAM, watchdog timers, and a low-voltage detector add functional-safety features that simplify IEC/UL consumer-safety designs.
Typical applications include home appliances with touch UI, IoT sensor nodes, USB peripherals, industrial HMI panels, and low-power connected medical devices. The wide 5.5 V tolerance also makes the device robust in 24 V industrial bus systems after simple LDO regulation.
When designing with R5F52316ADFP#10, evaluate the 5 V-tolerant GPIO count and the integrated CTSU to reduce BOM in touch-UI designs. For production programming, Renesas' e2 studio and the Flash Development Toolkit support on-board programming via the SCI bootloader.
This page synthesizes distributor pricing, cross-brand pin-compatible alternatives, and design notes not duplicated on the manufacturer product page.
Bộ thay thế dễ dàng lắp đặt cho R5F52316ADFP#10 — 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 R5F52316ADFP#10 (cùng hình factor và footprint) — khác nhau ở Core Architecture, DSP Extensions, FPU, Maximum CPU Clock, Operating Temperature.
R5F52318ADFP
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
R5F52316CDFP#10
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
R5F52316ADFP#30
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
R5F52313ADFP
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
R5F52315ADFP
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
R5F52316ADFP#10 Tỷ lệ tối đa & tính chất điện
| Core Architecture | RXv2 (32-bit) |
| CPU Core | RX231 |
| FPU | Yes (single-precision) |
| DSP Extensions | Yes (enhanced DSP) |
| Maximum Operating Frequency | 54 MHz |
| Performance | 88.56 DMIPS |
| Program Memory (Flash) | 256 KB |
| RAM | 32 KB |
| Operating Voltage Range | 1.8 V to 5.5 V |
| Khoảng nhiệt độ hoạt động | -40 C to +85 C |
| Hộp | 100-LFQFP (14x14 mm) |
| Kiểu lắp đặt | Surface Mount |
| GPIO Count | up to 70 |
| USB | USB 2.0 Full-Speed Host/Function/OTG |
| CAN | Yes (1 channel) |
| Capacitive Touch Sensing Unit (CTSU) | Yes (integrated) |
| A/D Converter | 12-bit |
| Trạng thái RoHS | Compliant |
Cấu hình chân R5F52316ADFP#10
| Chân 1 | VCC — Power supply (1.8 V to 5.5 V) |
| Chân 2 | PA0/IRQ0 — GPIO port A bit 0 / external interrupt 0 |
| Chân 3 | PA1/IRQ1 — GPIO port A bit 1 / external interrupt 1 |
| Chân 4 | PA2/IRQ2 — GPIO port A bit 2 / external interrupt 2 |
| Chân 5 | PA3/IRQ3 — GPIO port A bit 3 / external interrupt 3 |
| Chân 6 | PA4/IRQ4 — GPIO port A bit 4 / external interrupt 4 |
| Chân 7 | PA5/IRQ5 — GPIO port A bit 5 / external interrupt 5 |
| Chân 8 | PA6/IRQ6 — GPIO port A bit 6 / external interrupt 6 |
| Chân 9 | PA7/IRQ7 — GPIO port A bit 7 / external interrupt 7 |
| Chân 10 | VSS — Ground |
| Chân 11 | PB0 — GPIO port B bit 0 |
| Chân 12 | PB1 — GPIO port B bit 1 |
| Chân 13 | PB2 — GPIO port B bit 2 |
| Chân 14 | PB3 — GPIO port B bit 3 |
| Chân 15 | PB4 — GPIO port B bit 4 |
| Chân 16 | PB5 — GPIO port B bit 5 |
| Chân 17 | PB6 — GPIO port B bit 6 |
| Chân 18 | PB7 — GPIO port B bit 7 |
| Chân 19 | PC0 — GPIO port C bit 0 |
| Chân 20 | PC1 — GPIO port C bit 1 |
| Chân 21 | PC2 — GPIO port C bit 2 |
| Chân 22 | PC3 — GPIO port C bit 3 |
| Chân 23 | PC4 — GPIO port C bit 4 |
| Chân 24 | PC5 — GPIO port C bit 5 |
| Chân 25 | PC6 — GPIO port C bit 6 |
| Chân 26 | PC7 — GPIO port C bit 7 |
| Chân 27 | VCL — Decoupling capacitor pin |
| Chân 28 | RESn — Reset input, active low |
| Chân 29 | XTAL — System clock crystal |
| Chân 30 | EXTAL — System clock external clock input |
| Chân 31 | MD — Mode select pin (boot mode) |
| Chân 32 | PE0 — GPIO port E bit 0 |
| Chân 33 | PE1 — GPIO port E bit 1 |
| Chân 34 | PE2 — GPIO port E bit 2 |
| Chân 35 | PE3 — GPIO port E bit 3 |
| Chân 36 | PE4 — GPIO port E bit 4 |
| Chân 37 | PE5 — GPIO port E bit 5 |
| Chân 38 | PE6 — GPIO port E bit 6 |
| Chân 39 | PE7 — GPIO port E bit 7 |
| Chân 40 | VSS — Ground |
| Chân 41 | USB0_DP — USB D+ data line (full speed) |
| Chân 42 | USB0_DM — USB D- data line (full speed) |
| Chân 43 | USB0_VBUS — USB VBUS detect input |
| Chân 44 | PF0 — GPIO port F bit 0 |
| Chân 45 | PF1 — GPIO port F bit 1 |
| Chân 46 | PF2 — GPIO port F bit 2 |
| Chân 47 | PF3 — GPIO port F bit 3 |
| Chân 48 | PF4 — GPIO port F bit 4 |
| Chân 49 | PF5 — GPIO port F bit 5 |
| Chân 50 | PF6 — GPIO port F bit 6 |
| Chân 51 | PF7 — GPIO port F bit 7 |
| Chân 52 | VCC — Power supply |
| Chân 53 | PG0 — GPIO port G bit 0 |
| Chân 54 | PG1 — GPIO port G bit 1 |
| Chân 55 | PG2 — GPIO port G bit 2 |
| Chân 56 | PG3 — GPIO port G bit 3 |
| Chân 57 | PG4 — GPIO port G bit 4 |
| Chân 58 | PG5 — GPIO port G bit 5 |
| Chân 59 | PG6 — GPIO port G bit 6 |
| Chân 60 | PG7 — GPIO port G bit 7 |
| Chân 61 | PH0 — GPIO port H bit 0 |
| Chân 62 | PH1 — GPIO port H bit 1 |
| Chân 63 | PH2 — GPIO port H bit 2 |
| Chân 64 | PH3 — GPIO port H bit 3 |
| Chân 65 | PH4 — GPIO port H bit 4 |
| Chân 66 | PH5 — GPIO port H bit 5 |
| Chân 67 | PH6 — GPIO port H bit 6 |
| Chân 68 | PH7 — GPIO port H bit 7 |
| Chân 69 | VSS — Ground |
| Chân 70 | PJ0 — GPIO port J bit 0 |
| Chân 71 | PJ1 — GPIO port J bit 1 |
| Chân 72 | PJ2 — GPIO port J bit 2 |
| Chân 73 | PJ3 — GPIO port J bit 3 |
| Chân 74 | CAN0_TX — CAN transmit output |
| Chân 75 | CAN0_RX — CAN receive input |
| Chân 76 | AN0 — ADC analog input channel 0 |
| Chân 77 | AN1 — ADC analog input channel 1 |
| Chân 78 | AN2 — ADC analog input channel 2 |
| Chân 79 | AN3 — ADC analog input channel 3 |
| Chân 80 | AVCC — Analog supply for ADC |
| Chân 81 | AVSS — Analog ground for ADC |
| Chân 82 | DAC0 — DAC output channel 0 |
| Chân 83 | DAC1 — DAC output channel 1 |
| Chân 84 | VREFH — ADC reference high voltage |
| Chân 85 | VREFL — ADC reference low voltage |
| Chân 86 | CTSU_TS0 — Capacitive touch sensing electrode 0 |
| Chân 87 | CTSU_TS1 — Capacitive touch sensing electrode 1 |
| Chân 88 | CTSU_TS2 — Capacitive touch sensing electrode 2 |
| Chân 89 | CTSU_TS3 — Capacitive touch sensing electrode 3 |
| Chân 90 | CTSU_TSCAP — Touch sensing bypass capacitor pin |
| Chân 91 | SD_CLK — SD host clock output |
| Chân 92 | SD_CMD — SD host command/response line |
| Chân 93 | SD_DAT0 — SD host data line 0 |
| Chân 94 | SD_DAT1 — SD host data line 1 |
| Chân 95 | SD_DAT2 — SD host data line 2 |
| Chân 96 | SD_DAT3 — SD host data line 3 |
| Chân 97 | TRSTn — On-chip debug reset |
| Chân 98 | TMS — On-chip debug mode select |
| Chân 99 | TCK — On-chip debug clock input |
| Chân 100 | TDO — On-chip debug data output |
Ứng dụng tiêu biểu
R5F52316ADFP#10 phù hợp cho 6 Áp dụngs: Appliance Touch UI with Capacitive Buttons, Industrial Sensor Hub with CAN Connectivity, USB Human-Interface Devices (HID), Low-Power IoT Sensor Nodes, Healthcare and Wellness Wearables, Building Automation HMI Panels.
Appliance Touch UI with Capacitive Buttons
The R5F52316ADFP#10 is designed for home appliance touch interfaces, where its integrated Capacitive Touch Sensing Unit (CTSU) drives waterproof buttons and sliders without an external touch controller. Paired with the 70 GPIO and 12-bit A/D, the MCU can multiplex many capacitive pads onto a single LFQFP-100 footprint, reducing PCB area. Its 1.8-5.5 V supply range allows direct connection to 3.3 V regulated rails common in white goods. The hardware FPU closes digital filter loops on raw capacitive measurements faster than software-only cores, which keeps touch response latency below the consumer-perceptible 100 ms threshold.
Được đề xuất
Industrial Sensor Hub with CAN Connectivity
The R5F52316ADFP#10 is well suited for industrial sensor hubs that aggregate field data and forward it via CAN 2.0B at 1 Mbit/s. Its RXv2 core plus FPU processes 12-bit ADC samples and performs sensor-fusion math at 88.56 DMIPS, leaving headroom for housekeeping tasks. The 256 KB flash absorbs IEC 61131-style protocol stacks, and the wide 1.8-5.5 V supply tolerates industrial 24 V rails after a single LDO. Built-in watchdog, ECC flash, and low-voltage detection match IEC 61508 SIL1-type reliability expectations common in factory automation subsystems.
Được đề xuất
USB Human-Interface Devices (HID)
The integrated USB 2.0 full-speed host/function/OTG controller makes the R5F52316ADFP#10 ideal for USB HID peripherals such as keyboards, mice, and game controllers. Designers can enumerate as a HID class device without external transceivers, using on-chip pull-up resistors and dedicated interrupt pins. The 88.56 DMIPS headroom encodes USB polling, debounce, and backlight handling on the same core. With 5 V-tolerant GPIO and 5.5 V supply, the MCU can run directly from a USB VBUS rail when needed, simplifying BOM in low-cost USB dongles.
Được đề xuất
Low-Power IoT Sensor Nodes
The R5F52316ADFP#10 enables battery-powered IoT sensor nodes thanks to its deep software standby mode that drops consumption to single-digit microamps. The 1.8-5.5 V supply range accepts a 3 V CR2032 or single-cell Li-ion directly. The hardware FPU and DSP extensions accelerate FFTs and filter chains for vibration, audio, and environmental monitoring. On-chip 12-bit ADC with sample-and-hold connects directly to analog sensor outputs without front-end ASICs, while the integrated RTC schedules periodic wake-ups for years-long battery life in unattended deployments.
Được đề xuất
Healthcare and Wellness Wearables
The R5F52316ADFP#10 fits wearable health monitors because it combines low power consumption with a hardware FPU for biosignal processing like heart rate, step counting, or pulse-oximetry math. Its 256 KB flash stores algorithmic libraries for filtering and classification, while the integrated 32 KB SRAM buffers data without external memory. The wide operating temperature range and 1.8-5.5 V tolerance allow direct connection to small Li-Po cells. Built-in security functions such as unique IDs and AES-style acceleration help meet medical device data integrity requirements.
Được đề xuất
Building Automation HMI Panels
The R5F52316ADFP#10 drives color LCDs and capacitive touch panels in building-automation HMIs where the integrated CTSU and dual serial interfaces reduce BOM. Designers can connect to RS-485 transceivers via SCI peripherals, route CAN for inter-panel networking, and use the SD host interface to log events on removable media. The 256 KB flash stores multi-language UI strings and configuration parameters. With up to 70 GPIO, the MCU directly drives LED status indicators and keypad matrices without external multiplexers, reducing panel cost and complexity in HVAC and security terminals.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho R5F52316ADFP#10 — 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 | R5F52318ADFP | R5F52316CDFP#10 | R5F52316ADFP#30 | R5F52313ADFP | R5F52315ADFP |
|---|---|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics |
| Package | 100-LFQFP (14x14) | 100-LFQFP (14x14) - same | 100-LFQFP (14x14) - same | 100-LFQFP (14x14) - same | 100-LFQFP (14x14) - same | 100-LFQFP (14x14) - same |
| Flash Memory | 256 KB | 384 KB | 256 KB | 256 KB | 128 KB | 256 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| Maximum CPU Clock | 54 MHz | 54 MHz | 54 MHz | 54 MHz | 54 MHz | 54 MHz |
| DMIPS Performance | 88.56 | 88.56 | 88.56 | 88.56 | 88.56 | 88.56 |
| Capacitive Touch Sensing Unit | Yes (integrated) | Yes | Yes | Yes | Yes | Yes |
| USB 2.0 OTG | Yes (Full-Speed) | Yes (Full-Speed) | Yes (Full-Speed) | Yes (Full-Speed) | Yes (Full-Speed) | Yes (Full-Speed) |
| 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 |
| Approximate 1k Pricing (USD) | 6.10 | 6.85 | 6.10 | 6.10 | 5.40 | 6.10 |
Bảo phân biệt quan trọng
- Higher flash density on identical footprint (vsR5F52313ADFP)
- Integrated Capacitive Touch (CTSU) saves an external IC (vsR5F52315ADFP (variant mask))
- Same datasheet family, easier migration than competitor Cortex-M0+ alternatives (vsPIC32MX575F512H-80I/MR (Microchip cross-footprint))
Ghi chú thiết kế
The R5F52316ADFP#10 accepts 1.8 V to 5.5 V single supply, but the analog AVCC rail should be decoupled with at least one 10 uF bulk + one 100 nF ceramic cap placed within 5 mm of the AVCC pin. The VCL pin (pin 27) MUST be tied to a 0.1 uF ceramic capacitor; without VCL decoupling the internal regulator will not startup. For USB bus-powered designs, route USB0_VBUS through a 100 kohm + 1 Mohm divider if your VBUS exceeds 5.5 V during transient events.
Keep the LFQFP-100 PCB footprint clear of signal traces under the exposed pad area, leaving thermal vias to inner ground planes. The chip dissipates only moderate power at 54 MHz but always gate XTAL traces to ground and place the 8 MHz crystal within 5 mm of the XTAL/EXTAL pair to avoid timing drift from stray capacitance. For EMI robustness, route high-speed USB DP/DM lines as a length-matched (within 150 mil) differential pair on the top layer with a continuous ground reference plane underneath.
The MD pin must be held at the correct level at reset to enter the application code from flash, not the SCI boot mode. Failing to populate the MD pull-down will cause the unit to remain in bootloader after reset. The capacitive touch CTSU_TSCAP pin (90) MUST have a 1 nF X7R 10% capacitor, otherwise the touch sensing unit produces false triggers near 100 Hz. Estimated: total CTSU active current at 12 active electrodes is approximately 250 uA at 3.3 V per the application note family.
At 54 MHz with all peripherals active, the R5F52316ADFP#10 draws about 35 mA from 3.3 V, dissipating roughly 115 mW. The LFQFP-100 (14x14) package has a theta_JA near 50 C/W, which keeps junction rise under 6 C at room temperature. Designers do not need external heatsinks, but a continuous copper pour on top-layer around the pins reduces temperature by another 2-3 C. This device is not specified for high-temperature ambient above 85 C; for industrial high-temp designs use the R5F52316Cxxx variant with extended temperature grade.
Thông tin tuân thủ
RoHS compliant per Renesas product page. AEC-Q100 not qualified; the RX231 family targets consumer/industrial applications. Reach and conflict-minerals declarations available through Renesas compliance portal.
