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Renesas R5F21357MNFP#10
- Part No.:
- R5F21357MNFP#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
R5F21357MNFP#10.pdf
- Description:
- 4-8BIT GENERAL MCU
- Quantity:
- Payment:
- Shipping:
Inventory:1,162
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Product details
Overview
R5F21357MNFP#10 from Renesas Electronics is a 16-bit R8C CPU core microcontroller with 48 KB flash program ROM, 4 KB data flash (4 × 1 KB blocks with background operation), and 4 KB RAM. It operates at up to 20 MHz (VCC = 2.7–5.5 V), features integrated 10-bit ADC (12 channels), dual 8-bit DACs, LIN hardware module, and supports real-time clock, PWM, UART/I²C/SSU serial interfaces - deployed in consumer audio equipment and office automation control systems.
For engineers reviewing the R5F21357MNFP#10 datasheet, R5F21357MNFP#10 pinout, R5F21357MNFP#10 application, or R5F21357MNFP#10 equivalent, this page delivers verified specifications, validated 52-pin LQFP package mapping, confirmed peripheral register behavior, and direct alternative part comparisons for industrial MCU selection and BOM migration.
Technical Context
The R5F21357MNFP#10 implements the R8C CPU core with 89 fundamental instructions, 16×16→32-bit hardware multiplier, and multiply-accumulate capability. Its memory map spans 1 Mbyte (00000h–FFFFFh), with fixed interrupt vector table at 0FFDCh–0FFFFh and data flash at 03000h–03FFFh.
It integrates four independent timer units (RA–RD) supporting PWM generation, input capture, and three-phase complementary output; UART0/1/2 with I²C-bus mode; LIN protocol via UART0 + Timer RA; and dual comparators with external reference inputs - all coordinated by a 69-vector interrupt controller with 7 priority levels.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | R8C 16-bit core with 89 instructions, 16×16→32-bit multiplier, and MAC support - enables efficient motor control math and signal processing without external coprocessor. |
| Memory | 48 KB flash program ROM + 4 KB data flash (4 × 1 KB blocks, BGO enabled) + 4 KB RAM - supports field firmware updates and parameter storage with zero execution interruption. |
| ADC/DAC | 10-bit resolution × 12-channel ADC with sample-and-hold and sweep mode; dual 8-bit DACs (DA0/DA1) - suitable for analog sensor interface and audio waveform generation. |
| Timers | Timer RD (16-bit × 2, 6-pin PWM, complementary/triangular/sawtooth modes), Timer RC (16-bit, 3-pin PWM), Timer RB (8-bit, programmable waveform) - enables precise motor phase control and power supply regulation. |
| Serial Interfaces | UART0/1/2 (UART2 supports I²C-bus mode), SSU (shared with I²C), hardware LIN module (UART0 + Timer RA) - allows mixed-protocol communication in appliance control networks. |
| Operating Range | VCC = 1.8–5.5 V; ambient temperature −20°C to +85°C (N version); current draw 6.5 mA @ 5 V/20 MHz, 2.0 µA in stop mode - meets low-power standby requirements in battery-backed systems. |
Pinout & Package
Package: 52-pin LQFP (PLQP0052JA-A), 10 mm × 10 mm body, 0.65 mm pitch, lead-free, RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0_0–P0_7 | CMOS I/O port with AN0–AN7, DA0/DA1, TREO | Primary analog input bank (10-bit ADC) and D/A outputs; TREO provides divided clock output for timing synchronization. |
| P1_0–P1_7 | CMOS I/O port with AN8–AN11, KI0–KI3, IVREF1/3, LVCMP1/2 | Extended analog inputs, key interrupt inputs, comparator references - supports touch-key UI and voltage monitoring circuits. |
| P2_0–P2_7 | CMOS I/O port with TRDIOA0–D1, TRCIOA–D, INT1 | Dedicated timer RD/RC I/O for high-resolution PWM and capture; INT1 supports external event triggering with priority level control. |
| P3_0–P3_7 | CMOS I/O port with SCL/SDA, SSCK/SSI/SSO, INT1/3, TRAO/TRBO | I²C master/slave, SSU SPI, and timer output pins - enables multi-sensor bus communication and LED driver control. |
| P4_2–P4_7 | VREF, MODE, XCIN/XCOUT, XIN/XOUT, RESET | Analog reference input, boot mode select, 32 kHz crystal oscillator, main 20 MHz crystal interface, and active-low reset - defines system clocking and startup behavior. |
| P5_6/P5_7, P6_0–P6_7 | TRAIO/TRAO, TREO, INT2/3/4, TXD1/RXD1, CLK1/2 | LIN transceiver I/O, real-time clock output, UART1, and auxiliary clock inputs - supports automotive-grade communication and time-critical subsystems. |
Key Features
| Feature | Design Value |
|---|---|
| Background Operation (BGO) | Data flash erasure/programming occurs during normal CPU execution - enables seamless firmware updates without halting real-time control loops. |
| Hardware LIN Module | Integrated LIN 2.0/2.1 support via UART0 + Timer RA - eliminates external LIN transceiver for cost-sensitive appliance motor control nodes. |
| Low-Power Modes | Wait mode (3.5 µA @ 3 V, 32 kHz XCIN) and stop mode (2.0 µA) - extends battery life in portable office equipment and remote sensors. |
| EMI/EMS Optimization | On-chip oscillator trimming, spread-spectrum clock options, and layout-aware I/O drive strength control - reduces radiated emissions in compact consumer enclosures. |
| Debug & Security | On-chip debug interface, ROM code protection, ID code check, and flash rewrite function - supports secure development and production programming workflows. |
Applications
| Audio Signal Processing | Office Equipment Motor Control |
|---|---|
Use Scenario: Digital audio mixer with analog input conditioning, volume control, and headphone output. IC Role / Device Role / Timing Role: MCU handles ADC sampling, digital gain calculation, DAC output, and real-time clock-based playback scheduling. Use Value: Integrated 12-channel ADC + dual DAC + 16-bit timers enable full audio path implementation on single chip, reducing BOM count by 3 discrete ICs. |
Use Scenario: Paper feed and scanning motor sequencing in multifunction printers. IC Role / Device Role / Timing Role: Generates synchronized PWM waveforms for stepper/servo drivers and monitors encoder feedback via Timer RD input capture. Use Value: Complementary PWM mode on Timer RD drives H-bridge with dead-time control, eliminating external gate driver logic. |
| Consumer Appliance UI | Industrial Sensor Node |
Use Scenario: Touch-key interface and display backlight control in microwave ovens and washing machines. IC Role / Device Role / Timing Role: Scans KI0–KI3 key inputs, drives LED segments via high-current I/O ports, and manages user timeout via Watchdog Timer. Use Value: Built-in key interrupt and 47 high-current drive ports eliminate external keypad controller and LED driver ICs. |
Use Scenario: Battery-powered environmental monitor with temperature/humidity sensing and wireless reporting. IC Role / Device Role / Timing Role: Samples analog sensors via ADC sweep mode, stores calibration data in data flash, and enters stop mode between readings. Use Value: 2.0 µA stop-mode current and BGO-enabled flash storage extend 10-year battery life while retaining field-upgradable firmware. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F21357MDFP | Same silicon, −40°C to +85°C operating range (D version), higher industrial temp grade | Required for outdoor or automotive-adjacent appliance deployments where ambient exceeds 85°C derating limits | Select when extended temperature qualification is mandatory; pinout and firmware identical. |
| R5F21356MNFP | 32 KB program ROM, 2.5 KB RAM, same peripherals and package | Suitable for simpler control tasks with smaller firmware footprint; lower memory cost point | Choose when application code size remains under 32 KB and no future feature expansion is planned. |
Compared with R5F21357MNFP#10, the R5F21357MDFP offers identical functionality with extended temperature rating for harsh environments, while the R5F21356MNFP reduces memory capacity to lower cost - both retain full peripheral compatibility and require no PCB or firmware changes beyond configuration register adjustments.
Availability
R5F21357MNFP#10 is available at Aetrix Electronics and suitable for audio equipment, office automation systems, and consumer appliance control requiring stable component supply across long-life production cycles.
Supply support for R5F21357MNFP#10 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, and power solutions for industrial, automotive, and IoT markets.
The R8C/35M Group, including R5F21357MNFP#10, was designed for cost-sensitive, low-power embedded control in consumer electronics - emphasizing integration of analog peripherals, LIN communication, and robust EMI performance in compact LQFP packages.
FAQ
What is the maximum operating frequency and supply voltage range for the R5F21357MNFP#10?
The R5F21357MNFP#10 operates at up to 20 MHz when supplied with VCC = 2.7–5.5 V, and supports reduced-frequency operation down to 5 MHz at VCC = 1.8–5.5 V. This dual-voltage/frequency capability allows flexible power management in battery-powered and line-powered consumer devices while maintaining full peripheral functionality across the range.
Does the R5F21357MNFP#10 support in-system programming and secure firmware updates?
Yes, the R5F21357MNFP#10 supports on-board flash rewrite via its on-chip debug interface and includes ROM code protection and ID code check features. Its background operation (BGO) function allows data flash programming and erasure while the CPU executes application code - enabling secure, non-interrupting firmware updates in deployed appliances.
How many analog-to-digital converter channels does the R5F21357MNFP#10 include, and what is their resolution?
The R5F21357MNFP#10 integrates a 10-bit resolution analog-to-digital converter with 12 input channels (AN0–AN11), including sample-and-hold circuitry and sweep mode for sequential conversion. This enables simultaneous monitoring of multiple sensors - such as thermistors, potentiometers, and current shunts - in audio mixers and appliance control panels.
Can the R5F21357MNFP#10 generate three-phase PWM waveforms for motor control?
Yes, Timer RD in the R5F21357MNFP#10 supports reset synchronous PWM and complementary PWM modes, delivering six synchronized PWM outputs with configurable dead-time insertion. These modes directly generate three-phase sinusoidal or trapezoidal drive waveforms for BLDC and stepper motors without external timing logic.
What package type and pin count does the R5F21357MNFP#10 use?
The R5F21357MNFP#10 uses a 52-pin LQFP package (PLQP0052JA-A), measuring 10 mm × 10 mm with 0.65 mm pin pitch. This RoHS-compliant, lead-free package provides full access to all 47 CMOS I/O ports, analog inputs, serial interfaces, and dedicated timer/peripheral pins required for complex embedded control.
R5F21357MNFP#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 52-LQFP
- Series:
- R8C/3x/35M
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- R8C
- Core Size:
- 16-Bit
- Speed:
- 20MHz
- Connectivity:
- I2C, LINbus, SIO, SSU, UART/USART
- Peripherals:
- POR, PWM, Voltage Detect, WDT
- Number of I/O:
- 47
- Program Memory Size:
- 48KB (48K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 4K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.8V ~ 5.5V
- Data Converters:
- A/D 12x10b; D/A 2x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -20°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F21357MNFP#10 FAQ
1.How can I place an order for R5F21357MNFP#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F21357MNFP#10 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 R5F21357MNFP#10 reliable?
The price and inventory of R5F21357MNFP#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F21357MNFP#10 is usually 5 days.
3.What payment methods are accepted for R5F21357MNFP#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F21357MNFP#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F21357MNFP#10?
R5F21357MNFP#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F21357MNFP#10 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 R5F21357MNFP#10?
For technical support, including R5F21357MNFP#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F21357MNFP#10 requirements.
6.How does Aetrix verify that R5F21357MNFP#10 is sourced from the original manufacturer or authorized distributors?
All R5F21357MNFP#10 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 R5F21357MNFP#10 meets industry standards.
7.What is the process for return or replacement of R5F21357MNFP#10?
All R5F21357MNFP#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F21357MNFP#10, 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 R5F21357MNFP#10 part is unused and in its original packaging.
Return procedure for R5F21357MNFP#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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