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Renesas R5F21332CNFP#30
- Part No.:
- R5F21332CNFP#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 32-LQFP
- Datasheet:
-
R5F21332CNFP#30.pdf
- Description:
- IC MCU 16BIT 8KB FLASH 32LQFP
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
R5F21332CNFP#30 from Renesas Electronics is an 8-bit R8C CPU core MCU with 8 KB flash program ROM, 1 KB data flash (4 × 1 KB blocks), and 1 KB RAM in a 32-pin LQFP package. It delivers 50 ns minimum instruction execution at 20 MHz (VCC = 2.7–5.5 V), integrates 10-bit × 12-channel A/D converter, dual 8-bit D/A outputs, LIN hardware module, and background operation (BGO) for in-system reprogramming - deployed in consumer audio equipment and office automation control systems.
For engineers reviewing the R5F21332CNFP#30 datasheet, R5F21332CNFP#30 pinout, R5F21332CNFP#30 application, or R5F21332CNFP#30 equivalent, key selection considerations include its 32-pin PLQP0032GB-A LQFP footprint, -20°C to +85°C N-version operating range, integrated LIN transceiver support via Timer RA + UART0, and BGO-enabled field-upgradable data flash.
Technical Context
The R5F21332CNFP#30 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 program ROM starting at 0E000h, data flash at 03000h–03FFFh, and RAM at 00400h–007FFh.
Peripheral integration includes three UART channels (UART0/1/2), I²C-bus/SSU shared interface, 16-bit Timer RC with four capture/compare registers and PWM2 mode, real-time clock Timer RE, and two comparator B circuits with independent reference inputs - all managed via dedicated SFRs mapped to addresses 0000h–01FFh and 02C00h–02FFFh.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | R8C 8-bit core with 89 instructions, 16×16→32-bit multiplier, and MAC support - enables efficient motor control and sensor fusion algorithms. |
| Memory | 8 KB flash program ROM, 1 KB × 4 blocks data flash (10,000 erase/write cycles), 1 KB RAM - supports firmware updates and parameter storage without external EEPROM. |
| Operating Speed | 50 ns min instruction time at 20 MHz (VCC = 2.7–5.5 V); 200 ns at 5 MHz (VCC = 1.8–5.5 V) - balances performance and ultra-low-power operation. |
| Analog Peripherals | 10-bit × 12-channel A/D converter with sample-and-hold and sweep mode; dual 8-bit D/A outputs (DA0/DA1) - suitable for closed-loop analog feedback and audio DAC functions. |
| Timers & Clock | Timer RA (8-bit), RB (8-bit PWM), RC (16-bit with 4 compare/capture registers), RE (real-time clock); 4 clock sources including 32 kHz XCIN and adjustable high-speed on-chip oscillator - enables precise timing across power modes. |
| Communication | UART0/1/2 (UART2 supports I²C mode), SSU/I²C-bus shared interface, hardware LIN module (Timer RA + UART0) - reduces BOM count in automotive body electronics and appliance networks. |
| Power Management | Wait mode (3.5 µA @ 3.0 V, fXCIN = 32 kHz), stop mode (2.0 µA), voltage detection circuit with 3-level monitoring - extends battery life in portable consumer devices. |
Pinout & Package
Package: 32-pin LQFP (PLQP0032GB-A), 7 mm × 7 mm, 0.8 mm pitch, surface-mount. RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0_0–P0_7, P1_0–P1_7, P2_0–P2_2, P3_1, P3_3–P3_5, P3_7, P4_5–P4_7 | CMOS I/O port | 27 programmable I/O pins with software-selectable pull-up resistors; all support high-current LED drive - simplifies HMI and indicator interface design. |
| P4_2 | Input-only port | Dedicated VREF input for A/D and D/A converters - ensures stable reference voltage without I/O contention. |
| RESET | Active-low reset input | Asynchronous reset assertion clears CPU registers and halts execution - critical for safe power-on initialization and fault recovery. |
| XIN/XOUT | External crystal/resonator interface | Supports 20 MHz crystal for high-precision timing; XOUT doubles as external clock input - enables flexible clock source selection. |
| XCIN/XCOUT | 32 kHz crystal interface | Drives low-power real-time clock in wait/stop modes - maintains timekeeping during deep sleep for energy-sensitive applications. |
| AN0–AN11 | Analog input channels | 12 single-ended analog inputs routed to 10-bit A/D converter - accommodates multi-sensor monitoring in home appliances. |
| DA0/DA1 | D/A converter outputs | Two independent 8-bit voltage outputs - used for analog setpoint generation or audio waveform synthesis. |
| TRAO, TRBO, TRCIOx, TREO | Timer peripheral I/O | Direct hardware mapping of Timer RA output, Timer RB PWM, Timer RC I/O, and Timer RE clock output - eliminates software overhead for time-critical waveforms. |
Key Features
| Feature | Design Value |
|---|---|
| Background Operation (BGO) | Enables concurrent program/data flash erase-write and CPU execution - allows seamless firmware updates without system interruption. |
| Hardware LIN Module | Integrated LIN 2.0 physical layer via Timer RA and UART0 - eliminates need for external LIN transceiver in cost-sensitive automotive sub-systems. |
| Data Flash Endurance | 10,000 write/erase cycles per block - supports robust logging, calibration storage, and configuration retention over product lifetime. |
| Low-Power Operating Modes | Wait mode (3.5 µA) and stop mode (2.0 µA) with 32 kHz RTC active - extends battery life in remote controls and smart sensors. |
| On-Chip Debug Support | Fully integrated on-chip debug interface with flash rewrite capability - accelerates development and field diagnostics without external JTAG adapters. |
Applications
| Audio Equipment Control | Office Automation |
|---|---|
|
Use Scenario: Volume control, tone adjustment, and display management in compact stereo receivers and Bluetooth speakers. IC Role / Device Role / Timing Role: Main system controller executing UI logic, ADC sampling of potentiometer inputs, and PWM-driven LED indicators. Use Value: Integrated 10-bit ADC and dual 8-bit DAC eliminate external signal conditioning ICs; BGO enables silent firmware updates during playback. |
Use Scenario: Paper jam detection, toner level monitoring, and motor sequencing in laser printers and multifunction copiers. IC Role / Device Role / Timing Role: Real-time peripheral coordinator managing stepper motor drivers, optical sensors, and serial communication with host PC. Use Value: Hardware LIN interface reduces wiring complexity for internal subsystem communication; 16-bit Timer RC provides precise pulse-width modulation for motor speed control. |
| Home Appliance Interface | Consumer Remote Control |
|
Use Scenario: Keypad scanning, temperature regulation, and display backlight control in microwave ovens and washing machines. IC Role / Device Role / Timing Role: Embedded controller handling key input interrupts (KI0–KI3), real-time clock (Timer RE), and analog sensor acquisition (AN0–AN11). Use Value: 7-level interrupt priority and 69 vector table entries ensure deterministic response to safety-critical events like door open detection. |
Use Scenario: IR signal encoding, button debouncing, and low-power wake-up in universal remote controls and smart home hubs. IC Role / Device Role / Timing Role: Ultra-low-power manager using stop mode with 32 kHz XCIN clock, waking on INT0/INT1 edge-triggered key events. Use Value: 2.0 µA stop-mode current extends CR2032 battery life beyond 12 months; integrated high-speed on-chip oscillator enables rapid wake-up (<10 µs). |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F21332CDFP | Same core, memory, and peripherals; rated for -40°C to +85°C industrial temperature range vs. R5F21332CNFP#30's -20°C to +85°C. | Suitable for under-hood automotive modules or outdoor industrial controllers requiring extended thermal tolerance. | Select R5F21332CDFP when ambient operating temperature exceeds 85°C or drops below -20°C. |
| R5F21334CNFP | 16 KB program ROM, 1.5 KB RAM, identical data flash and peripheral set - no change to pinout or clock architecture. | Preferred for applications requiring larger firmware image size, such as enhanced USB HID stack or multi-language UI support. | Choose R5F21334CNFP when code growth exceeds 8 KB or additional RAM is needed for buffering or state machine expansion. |
Compared with R5F21332CNFP#30, R5F21332CDFP offers wider temperature qualification without altering electrical behavior, while R5F21334CNFP provides scalable memory headroom within the same footprint and toolchain - both retain full software and hardware compatibility.
Availability
R5F21332CNFP#30 is available at Aetrix Electronics and suitable for audio equipment control, office automation subsystems, and home appliance interface applications requiring stable component supply, long-term lifecycle support, and RoHS-compliant manufacturing.
Supply support for R5F21332CNFP#30 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 automotive, industrial, and IoT markets.
The R8C/33C Group, including R5F21332CNFP#30, was designed for cost-sensitive, low-power embedded control in consumer electronics - emphasizing integration of analog peripherals, LIN connectivity, and field-upgradable flash in compact LQFP packages.
FAQ
What is the maximum operating frequency and corresponding supply voltage range for the R5F21332CNFP#30?
The R5F21332CNFP#30 operates at up to 20 MHz with a supply voltage of 2.7 V to 5.5 V. At lower frequencies (e.g., 5 MHz), it supports down to 1.8 V, enabling ultra-low-voltage operation in battery-powered devices. Minimum instruction execution time is 50 ns under 20 MHz conditions, verified per Renesas datasheet R01DS0008EJ0100.
Does the R5F21332CNFP#30 support in-application programming (IAP) of its data flash?
Yes, the R5F21332CNFP#30 supports background operation (BGO), allowing the CPU to execute code from program ROM while erasing or writing to data flash blocks. This enables safe firmware parameter updates or calibration data storage without halting system operation - a confirmed feature documented in Section 1.1 and Table 1.2 of the official datasheet.
What peripheral resources does the R5F21332CNFP#30 provide for LIN bus communication?
The R5F21332CNFP#30 integrates a hardware LIN module combining Timer RA and UART0 to implement LIN 2.0 physical layer signaling. It supports automatic sync field detection, checksum calculation, and break detection - eliminating external transceivers in applications like automotive seat controls or HVAC nodes where R5F21332CNFP#30 serves as the LIN master or slave node.
How many analog input channels and what resolution does the A/D converter in the R5F21332CNFP#30 offer?
The R5F21332CNFP#30 features a 10-bit successive-approximation A/D converter with 12 single-ended input channels (AN0–AN11). It includes sample-and-hold functionality and sweep mode for sequential conversion - enabling simultaneous monitoring of multiple sensors in home appliance control panels where R5F21332CNFP#30 processes temperature, voltage, and current feedback signals.
What are the low-power modes supported by the R5F21332CNFP#30 and their typical current consumption?
The R5F21332CNFP#30 supports wait mode (3.5 µA at 3.0 V with 32 kHz XCIN active) and stop mode (2.0 µA at 3.0 V), both retaining real-time clock functionality. These modes are enabled via system clock control registers CM0/CM1 and validated in Table 1.2 of the datasheet - making R5F21332CNFP#30 ideal for remote controls and sensor nodes requiring multi-year battery life.
R5F21332CNFP#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 32-LQFP
- Series:
- R8C/3x/33C
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- Programmable:
- Not Verified
- 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:
- 27
- Program Memory Size:
- 8KB (8K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 4K x 8
- RAM Size:
- 1K 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:
R5F21332CNFP#30 FAQ
1.How can I place an order for R5F21332CNFP#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F21332CNFP#30 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 R5F21332CNFP#30 reliable?
The price and inventory of R5F21332CNFP#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F21332CNFP#30 is usually 5 days.
3.What payment methods are accepted for R5F21332CNFP#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F21332CNFP#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F21332CNFP#30?
R5F21332CNFP#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F21332CNFP#30 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 R5F21332CNFP#30?
For technical support, including R5F21332CNFP#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F21332CNFP#30 requirements.
6.How does Aetrix verify that R5F21332CNFP#30 is sourced from the original manufacturer or authorized distributors?
All R5F21332CNFP#30 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 R5F21332CNFP#30 meets industry standards.
7.What is the process for return or replacement of R5F21332CNFP#30?
All R5F21332CNFP#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F21332CNFP#30, 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 R5F21332CNFP#30 part is unused and in its original packaging.
Return procedure for R5F21332CNFP#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F21332CNFP#30 Tags
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