My Inquiry
My Account
Renesas R5F21332MDFP#V2
- Part No.:
- R5F21332MDFP#V2
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- -
- Datasheet:
-
R5F21332MDFP#V2.pdf
- Description:
- MICROCONTROLLER, 16 BIT, R8C CPU
- Quantity:
- Payment:
- Shipping:
Inventory:138
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
R5F21332MDFP#V2 from Renesas Electronics is an 8-bit R8C CPU core microcontroller with 8 KB flash program ROM, 1 KB data flash (4 × 1 KB blocks), and 1 KB RAM, operating at up to 20 MHz (VCC = 2.7–5.5 V) for real-time control in consumer appliance motor drives and sensor-based UI subsystems.
For engineers reviewing the R5F21332MDFP#V2 datasheet, R5F21332MDFP#V2 pinout, R5F21332MDFP#V2 application, or R5F21332MDFP#V2 equivalent, key selection criteria include its -40°C to +85°C industrial temperature grade, integrated LIN hardware module (using Timer RA and UART0), background operation (BGO) for data flash updates during runtime, and 12-channel 10-bit A/D converter with sample-and-hold.
Technical Context
The R5F21332MDFP#V2 implements the R8C CPU core with 89 fundamental instructions, 16×16→32-bit hardware multiplier, and multiply-accumulate capability-enabling efficient digital signal processing in motor control loops. Its memory map spans 1 Mbyte, with fixed interrupt vector table at 0FFDCh–0FFFFh and data flash at 03000h–03FFFh.
It integrates three independent timer units (RA, RB, RC) plus a real-time clock (RE), dual UARTs (UART0/UART1), one UART2 supporting I²C-bus mode and multiprocessor communication, and a dedicated LIN module compliant with ISO 17987-4. Clock sources include XIN/XOUT (up to 20 MHz), XCIN/XCOUT (32 kHz), and two on-chip oscillators (high-speed adjustable, low-speed).
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 for embedded control math |
| Memory | 8 KB flash program ROM, 1 KB × 4 data flash blocks with BGO, 1 KB RAM - enables firmware updates without halting execution |
| Operating Temp | -40°C to +85°C (D version) - qualified for industrial-grade appliance and automotive body electronics |
| A/D Converter | 10-bit resolution × 12 channels with sample-and-hold and sweep mode - supports multi-sensor analog acquisition in single scan |
| LIN Module | Hardware LIN 2.1/2.2 compliant using Timer RA and UART0 - eliminates software bit-banging overhead and ensures timing accuracy |
| Package | 32-pin LQFP (PLQP0032GB-A, 7 mm × 7 mm, 0.8 mm pitch) - compatible with standard SMT assembly and thermal management |
| Supply Voltage | 1.8 V to 5.5 V operation - supports direct battery (3.3 V/5 V) and mixed-voltage system interfacing |
Pinout & Package
32-pin LQFP package (PLQP0032GB-A), 7 mm × 7 mm body, 0.8 mm pin pitch, exposed pad not specified. Pin functions are fully programmable per peripheral module assignment (e.g., P0_0–P0_7 support AN0–AN7, DA0/DA1, TRCIOA/TRCTRG).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0_0–P0_7 | CMOS I/O ports with analog input | Support 12-channel A/D inputs (AN0–AN11), D/A outputs (DA0/DA1), and Timer RC I/O - configurable for mixed-signal signal routing |
| P1_0–P1_7 | CMOS I/O with KI0–KI3, AN8–AN11 | Key interrupt inputs (KI0–KI3) and analog inputs (AN8–AN11) - enable touch/button UI with wake-on-event capability |
| P3_3–P3_7, P4_5 | Serial interface pins (UART2, I²C, SSU) | Shared SCL2/SDA2, SCL/SDA, SSCK/SSI/SCS/SSO - allow flexible peripheral bus sharing with conflict arbitration |
| XIN/XOUT, XCIN/XCOUT | Crystal oscillator inputs/outputs | Support external 20 MHz crystal (XIN/XOUT) and 32 kHz watch crystal (XCIN/XCOUT) - enable high-precision timing and RTC operation |
| RESET, MODE | Reset and boot configuration | Active-low RESET with internal pull-up; MODE tied to VCC via resistor selects single-chip mode - ensures reliable startup and memory mapping |
Key Features
| Feature | Design Value |
|---|---|
| Background Operation (BGO) | Data flash erasure/programming while CPU executes main code - enables seamless firmware field updates without system interruption |
| Hardware LIN Module | Dedicated logic for LIN 2.1/2.2 frame generation, checksum, and sync-break detection - reduces CPU load by >90% vs. bit-banged implementation |
| 10-bit A/D with Sweep Mode | Automatic sequential conversion across up to 12 channels in one trigger - eliminates software polling overhead for multi-sensor monitoring |
| Dual 8-bit DACs (DA0/DA1) | Independent 8-bit voltage outputs with programmable reference - support analog feedback generation for closed-loop motor control |
| Low-Power Operating Modes | Wait mode (3.5 µA @ 3.0 V, 32 kHz) and stop mode (2.0 µA) - extend battery life in always-on appliance subsystems |
Applications
| Refrigerator Control Panel | Printer Paper Jam Detection |
|---|---|
Use Scenario: Real-time monitoring of keypad inputs, display backlight PWM, temperature sensor readings, and compressor status signals in home refrigerator UI. IC Role / Device Role / Timing Role: Primary MCU managing HMI, sensor fusion, and LIN communication to main controller board. Use Value: Integrated 12-channel A/D, KI0–KI3 key interrupts, and LIN hardware reduce BOM count by eliminating external ADC and LIN transceiver. | Use Scenario: Detecting paper position via optical sensors and triggering mechanical actuation in inkjet printer paper path subsystem. IC Role / Device Role / Timing Role: Dedicated sensor interface MCU with precise timing for pulse-width measurement (Timer RA) and analog threshold comparison (Comparator A/B). Use Value: On-chip 10-bit A/D with sample-and-hold and programmable waveform generation (Timer RB) enable accurate paper edge detection and solenoid drive timing. |
| Audio System Remote Interface | Smart Thermostat Sensor Hub |
Use Scenario: Decoding IR remote commands, driving LED indicators, and communicating status over UART to main audio processor. IC Role / Device Role / Timing Role: Standalone remote control interface MCU with UART0/UART1 and high-current drive I/O for LED sink/source. Use Value: 27 high-current drive ports and built-in UART simplify PCB layout and eliminate level-shifting components for IR receiver and LED drivers. | Use Scenario: Aggregating ambient temperature, humidity, and occupancy sensor data, then transmitting via UART/I²C to HVAC main controller. IC Role / Device Role / Timing Role: Low-power sensor hub MCU with RTC (Timer RE), 10-bit A/D, and I²C-bus master capability (UART2 in I²C mode). Use Value: Integrated RTC with seconds/minutes/hours/days-of-week counting and I²C-bus support enable time-stamped sensor logging without external RTC or bus controller. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F21332MNFP | Same core, memory, and peripherals but rated for -20°C to +85°C (N version) - lacks extended industrial temperature range | Suitable for commercial-grade appliances only; not qualified for under-hood or uncontrolled ambient environments | Select R5F21332MDFP#V2 when operating below -20°C is required; otherwise R5F21332MNFP offers cost parity for indoor applications |
| R5F21334MDFP | 16 KB program ROM, 1.5 KB RAM, same data flash and peripherals - higher code capacity for complex UI or protocol stacks | Required when firmware exceeds 8 KB or additional RAM is needed for buffer-intensive tasks (e.g., multi-protocol bridging) | Choose R5F21334MDFP if future firmware expansion or feature growth is anticipated; R5F21332MDFP#V2 suffices for stable, minimal-footprint implementations |
Compared with R5F21332MNFP, the R5F21332MDFP#V2 adds guaranteed operation down to -40°C - critical for outdoor or automotive-adjacent deployments - while R5F21334MDFP trades pin compatibility for double the program ROM, enabling richer firmware without changing PCB layout.
Availability
R5F21332MDFP#V2 is available at Aetrix Electronics and suitable for refrigerator control panels, printer sensor subsystems, audio remote interfaces, and smart thermostat sensor hubs requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for R5F21332MDFP#V2 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 R8C/33M Group, including R5F21332MDFP#V2, was designed for cost-sensitive, low-power embedded control in consumer electronics - emphasizing integrated analog peripherals, LIN connectivity, and robust flash reliability for appliance HMI and motor subsystems.
FAQ
What is the maximum operating frequency and supply voltage range for the R5F21332MDFP#V2?
The R5F21332MDFP#V2 operates at up to 20 MHz when supplied with 2.7–5.5 V, and supports reduced-frequency operation (5 MHz) down to 1.8 V. This dual-voltage capability allows direct integration with 3.3 V or 5 V system rails and battery-powered subsystems without external regulators.
Does the R5F21332MDFP#V2 support hardware LIN communication, and how is it implemented?
Yes, the R5F21332MDFP#V2 includes a dedicated hardware LIN module compliant with LIN 2.1/2.2 standards, implemented using Timer RA for break detection and UART0 for frame transmission/reception. This offloads protocol handling from the CPU, ensuring deterministic timing and reducing firmware complexity versus software-based LIN stacks.
How many analog-to-digital converter channels does the R5F21332MDFP#V2 have, and what is their resolution?
The R5F21332MDFP#V2 features a 10-bit successive-approximation A/D converter with 12 input channels (AN0–AN11), including sample-and-hold functionality and sweep mode for automatic sequential conversion. This enables simultaneous monitoring of multiple sensors - such as thermistors, potentiometers, or current shunts - with consistent timing and precision.
What package type and pin count does the R5F21332MDFP#V2 use?
The R5F21332MDFP#V2 uses a 32-pin LQFP package designated PLQP0032GB-A (formerly 32P6U-A), measuring 7 mm × 7 mm with 0.8 mm pin pitch. It is RoHS-compliant and optimized for reflow soldering in high-volume manufacturing environments.
Is background operation (BGO) supported for data flash programming on the R5F21332MDFP#V2?
Yes, the R5F21332MDFP#V2 supports background operation (BGO) for its 1 KB × 4 data flash blocks. This allows the CPU to execute application code concurrently while erasing or programming data flash - essential for over-the-air updates, parameter storage, and calibration data persistence without system interruption.
R5F21332MDFP#V2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- -
- Series:
- *
- Packaging:
- Bulk
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- -
- Core Size:
- -
- Speed:
- -
- Connectivity:
- -
- Peripherals:
- -
- Number of I/O:
- -
- Program Memory Size:
- -
- Program Memory Type:
- -
- EEPROM Size:
- -
- RAM Size:
- -
- Voltage - Supply (Vcc/Vdd):
- -
- Data Converters:
- -
- Oscillator Type:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
R5F21332MDFP#V2 FAQ
1.How can I place an order for R5F21332MDFP#V2 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F21332MDFP#V2 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 R5F21332MDFP#V2 reliable?
The price and inventory of R5F21332MDFP#V2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F21332MDFP#V2 is usually 5 days.
3.What payment methods are accepted for R5F21332MDFP#V2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F21332MDFP#V2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F21332MDFP#V2?
R5F21332MDFP#V2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F21332MDFP#V2 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 R5F21332MDFP#V2?
For technical support, including R5F21332MDFP#V2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F21332MDFP#V2 requirements.
6.How does Aetrix verify that R5F21332MDFP#V2 is sourced from the original manufacturer or authorized distributors?
All R5F21332MDFP#V2 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 R5F21332MDFP#V2 meets industry standards.
7.What is the process for return or replacement of R5F21332MDFP#V2?
All R5F21332MDFP#V2 units undergo pre-shipment inspection (PSI). If there is an issue with R5F21332MDFP#V2, 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 R5F21332MDFP#V2 part is unused and in its original packaging.
Return procedure for R5F21332MDFP#V2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
R5F21332MDFP#V2 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
