Renesas R5F3640ECNFA#V0
- Part No.:
- R5F3640ECNFA#V0
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 100-BQFP
- Datasheet:
-
R5F3640ECNFA#V0.pdf
- Description:
- M16C64C 256/20 100QFP 3.0-5.5V -
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F3640ECNFA#V0 from Renesas Electronics is a 16-bit M16C/60 Series microcontroller with 256 KB program ROM, 20 KB data flash, 16 KB RAM, and integrated peripherals including dual 10-bit A/D converters (26 channels), two 8-bit D/A converters, five 16-bit Timer A units, six 16-bit Timer B units, three-phase motor control circuitry, CEC interface, and multi-master I2C-bus. It targets embedded control in audio systems, industrial HMI, and consumer appliances requiring deterministic real-time response and mixed-signal integration.
For engineers reviewing the R5F3640ECNFA#V0 datasheet, R5F3640ECNFA#V0 pinout, R5F3640ECNFA#V0 application, or R5F3640ECNFA#V0 equivalent, this page delivers verified technical context, package-validated pin functions, real-world use cases, and actionable alternative part guidance - all grounded in the official R01DS0016EJ0110 Rev.1.10 specification.
Technical Context
The R5F3640ECNFA#V0 implements the M16C/60 CPU core with 91 basic instructions, 16×16-bit multiplier, and 32-bit multiply-accumulate capability, achieving 40 ns minimum instruction execution at 25 MHz BCLK. Its memory architecture supports 1 MB base address space expandable to 4 MB via external bus interface with selectable 8-/16-bit data width, multiplexed/separate bus modes, and four chip-select outputs.
Peripheral integration includes UART0–2/5–7 (6 channels), SI/O3–4 (2 clock-sync only), multi-master I2C, CEC transceiver (32 kHz operation), remote control signal receiver (2 circuits, 4-wave pattern matching), real-time clock, watchdog timer, and DMA controller (4 channels, 43 trigger sources). Voltage detection provides power-on reset and three configurable detection points.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | M16C/60 Series with 16×16-bit multiplier and 32-bit MAC; enables high-speed motor control math and signal processing. |
| Memory | 256 KB program ROM, 20 KB data flash (10,000 erase cycles), 16 KB RAM; supports firmware updates and parameter storage without external EEPROM. |
| ADC/DAC | 10-bit A/D converter × 26 channels (1.72 µs conversion), 8-bit D/A × 2; suitable for closed-loop analog sensor feedback and actuator drive. |
| Timers | Timer A × 5 (PWM, encoder input), Timer B × 6 (pulse width/period measurement); enables three-phase inverter control with on-chip dead time generation. |
| Package & Temp | 100-pin QFP (PRQP0100JD-B), -20°C to +85°C operating range; compatible with standard surface-mount assembly and industrial ambient conditions. |
| CEC & Comm | CEC transmit/receive with arbitration loss detection and ACK auto-output; HDMI-CEC compliance for TV/audio system remote interoperability. |
| Real-time Clock | Dedicated RTC counting seconds/minutes/hours/days-of-week; independent operation during stop mode for low-power timekeeping. |
Pinout & Package
Package: 100-pin QFP (PRQP0100JD-B, previous code 100P6F-A), 0.65 mm pitch, body size 20 × 20 mm. Dual power supply: VCC1 (core/analog, 2.7–5.5 V), VCC2 (bus I/O, 2.7 V to VCC1).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0_0–P0_7 | CMOS I/O port (8-bit) | Configurable digital I/O with selectable pull-up resistors; used for general-purpose control and status signaling. |
| P9_3/P9_4 | DA0/DA1 analog outputs | 8-bit D/A converter outputs driving actuators or reference voltages; rail-to-rail operation with AVCC/AVSS supply. |
| P10_0–P10_7 | AN0–AN7 analog inputs | Primary 10-bit ADC input channels; support simultaneous sampling of temperature, voltage, and current sensors. |
| P7_0/P7_1 | TXD2/SDA2 & RXD2/SCL2 | N-channel open-drain serial interface pins; enable I²C communication with external sensors or displays. |
| P8_5 | NMI/SD/CEC | Shared non-maskable interrupt, forced shutdown, and CEC bidirectional I/O; critical for system fault handling and HDMI remote control. |
| XIN/XOUT | Main clock oscillator | Crystal/resonator interface for 1–20 MHz main clock; determines core timing accuracy and system stability. |
Key Features
| Feature | Design Value |
|---|---|
| Three-phase motor control | Integrated timer A/B units with on-chip dead time generator and U/V/W output pins eliminate external gate drivers for BLDC/PMSM inverters. |
| CEC interface | Hardware-accelerated HDMI Consumer Electronics Control with automatic ACK and arbitration loss detection reduces MCU firmware overhead. |
| Remote control receiver | Two independent IR receivers with 4-waveform pattern matching (header/data0/data1/special) and 6-byte buffer enable universal remote support. |
| External bus expansion | Configurable 8-/16-bit multiplexed/separate bus with 4 chip selects and up to 3 wait states supports NOR flash, SRAM, and FPGA co-processors. |
| Low-power operation | Wait/stop modes with RTC retention and voltage detector-based wake-up enable sub-10 µA standby current in battery-backed applications. |
Applications
| Audio System Controller | Industrial HMI Panel |
|---|---|
|
Use Scenario: Central controller in AV receivers managing audio decoding, volume leveling, and HDMI-CEC device coordination. IC Role / Device Role / Timing Role: Main system MCU executing real-time audio DSP tasks, driving DACs, and synchronizing CEC command timing to HDMI spec. Use Value: Integrated CEC hardware and 256 KB ROM allow full HDMI-CEC stack implementation without external logic; 10-bit ADC monitors thermal sensors for fan control. |
Use Scenario: Touch-enabled operator interface for PLC-controlled packaging machinery with local I/O and Ethernet gateway bridging. IC Role / Device Role / Timing Role: Real-time HMI processor handling touch scan, display refresh, and serial protocol translation (Modbus RTU over UART2). Use Value: 85 programmable CMOS I/O ports and 6 UART channels eliminate external level shifters and protocol ICs; PWM0/PWM1 drive backlight dimming. |
| Smart Appliance Control | Motor Drive Module |
|
Use Scenario: Washing machine main board controlling water valves, heater, drum motor, and user interface with energy monitoring. IC Role / Device Role / Timing Role: Primary appliance MCU managing sensor fusion (NTC, current sense), safety interlocks, and UI state machine. Use Value: Dual 10-bit ADCs sample 26 analog points simultaneously for load balancing and fault detection; data flash stores calibration coefficients across power cycles. |
Use Scenario: Compact inverter module for HVAC blower fans using sensorless FOC with hall-effect commutation fallback. IC Role / Device Role / Timing Role: Motor control ASIC replacement performing three-phase PWM generation, current sensing, and thermal protection. Use Value: On-chip dead time timer and U/V/W outputs directly drive gate drivers; 16-bit timers measure back-EMF zero-crossings with 40 ns resolution. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F3640KCNFA | 384 KB program ROM, 31 KB data flash, same 100-pin QFP package and peripheral set. | Requires larger firmware image; identical pinout and timing behavior for drop-in upgrade where code size exceeds 256 KB. | Select when firmware growth necessitates additional ROM without changing PCB layout or driver software. |
| R5F3640ECNFB | Identical memory and peripheral configuration, but in 100-pin LQFP (PLQP0100KB-A) package. | LQFP offers improved thermal dissipation and finer pitch; requires PCB footprint revision but retains identical electrical functionality. | Choose for new designs prioritizing thermal performance or when LQFP is preferred for reflow profile compatibility. |
Compared with R5F3640KCNFA and R5F3640ECNFB, the R5F3640ECNFA#V0 balances cost-effective 256 KB code storage with proven QFP manufacturability and full feature parity - making it optimal for volume production of mid-complexity embedded controllers where ROM headroom is sufficient.
Availability
R5F3640ECNFA#V0 is available at Aetrix Electronics and suitable for industrial HMI, smart appliance control, and motor drive modules requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for R5F3640ECNFA#V0 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Renesas Electronics Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The M16C/64C Group was designed for cost-sensitive, real-time embedded applications demanding high peripheral integration, deterministic interrupt latency, and robust operation in electrically noisy environments.
FAQ
What is the maximum operating frequency and voltage range for the R5F3640ECNFA#V0?
The R5F3640ECNFA#V0 operates at up to 25 MHz BCLK with a supply voltage range of 2.7 V to 5.5 V on VCC1 and VCC2 (VCC2 ≤ VCC1). Minimum instruction execution time is 40.0 ns under these conditions, enabling deterministic real-time control loops in motor and power applications.
Does the R5F3640ECNFA#V0 support hardware-based three-phase motor control?
Yes, the R5F3640ECNFA#V0 integrates dedicated three-phase inverter control logic using Timer A1, A2, A4, and Timer B2, plus an on-chip dead time timer. This allows direct generation of complementary PWM signals for U/V/W phases without external logic, reducing BOM count and layout complexity.
What are the key differences between the R5F3640ECNFA#V0 and R5F3640ECNFB variants?
The R5F3640ECNFA#V0 uses the PRQP0100JD-B (100P6F-A) QFP package, while R5F3640ECNFB uses the PLQP0100KB-A (100P6Q-A) LQFP package. Both share identical memory, peripherals, and electrical specifications; only mechanical footprint and thermal characteristics differ.
Can the R5F3640ECNFA#V0 perform simultaneous analog measurements across multiple channels?
Yes, the R5F3640ECNFA#V0 features a 10-bit A/D converter with 26 input channels (AN0–AN7, AN0_0–AN0_7, AN2_0–AN2_7, ANEX0/ANEX1) and supports sequential or grouped conversions. Conversion time is fixed at 1.72 µs per channel, enabling synchronized sampling for multi-sensor monitoring.
Is the CEC interface on the R5F3640ECNFA#V0 compliant with HDMI standards?
Yes, the R5F3640ECNFA#V0's CEC function implements the HDMI-standardized Consumer Electronics Control protocol, including transmit/receive, arbitration loss detection, and automatic ACK output at 32 kHz. It meets the electrical and timing requirements defined in HDMI Specification v1.3a and later.
R5F3640ECNFA#V0 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 100-BQFP
- Series:
- M16C™ M16C/60/64C
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- M16C/60
- Core Size:
- 16-Bit
- Speed:
- 25MHz
- Connectivity:
- EBI/EMI, I2C, SIO, UART/USART
- Peripherals:
- DMA, POR, PWM, Voltage Detect, WDT
- Number of I/O:
- 85
- Program Memory Size:
- 272KB (272K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 8K x 8
- RAM Size:
- 20K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 26x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -20°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F3640ECNFA#V0 FAQ
1.How can I place an order for R5F3640ECNFA#V0 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F3640ECNFA#V0 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for R5F3640ECNFA#V0 reliable?
The price and inventory of R5F3640ECNFA#V0 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F3640ECNFA#V0 is usually 5 days.
3.What payment methods are accepted for R5F3640ECNFA#V0?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F3640ECNFA#V0 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F3640ECNFA#V0?
R5F3640ECNFA#V0 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F3640ECNFA#V0 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for R5F3640ECNFA#V0?
For technical support, including R5F3640ECNFA#V0 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F3640ECNFA#V0 requirements.
6.How does Aetrix verify that R5F3640ECNFA#V0 is sourced from the original manufacturer or authorized distributors?
All R5F3640ECNFA#V0 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that R5F3640ECNFA#V0 meets industry standards.
7.What is the process for return or replacement of R5F3640ECNFA#V0?
All R5F3640ECNFA#V0 units undergo pre-shipment inspection (PSI). If there is an issue with R5F3640ECNFA#V0, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The R5F3640ECNFA#V0 part is unused and in its original packaging.
Return procedure for R5F3640ECNFA#V0:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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