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Home > Products > Integrated Circuits (ICs) > Embedded > Microcontrollers

Renesas M30879FLAGP#U3

Name: M30879FLAGP#U3
Brand: Renesas
SKU: M30879FLAGP#U3
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: M30879FLAGP#U3

Manufacturer:: Renesas

Category:: Microcontrollers

Package:: 100-LQFP

Datasheet:: M30879FLAGP#U3.pdf

Description:: IC MCU 16/32B 1MB FLASH 100LFQFP

Quantity:: RFQ Add To RFQ list

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Product details

Overview

M30879FLAGP#U3 from Renesas Electronics is a 100-pin LQFP flash-based 16-bit MCU in the M32C/87A family, featuring an M32C/80 CPU core, 768 KB + 4 KB data flash, 31 KB RAM, dual CAN 2.0B channels (M32C/87A variant), and integrated peripherals for industrial motor control and communication gateways.

For engineers reviewing the M30879FLAGP#U3 datasheet, M30879FLAGP#U3 pinout, M30879FLAGP#U3 application, or M30879FLAGP#U3 equivalent, key selection criteria include its 24 MHz/32 MHz operation across 3.0–5.5 V, 10-bit 26-channel ADC in single-chip mode, dual UART+I²C+CAN interface support, and -40°C to +85°C extended temperature grade.

Technical Context

The M30879FLAGP#U3 implements the M32C/80 CPU core with 108 basic instructions, 16×16→32-bit multiplier, and 16×16+48→48-bit multiply-add capability. It supports three operating modes: single-chip, memory expansion, and microprocessor mode, with external bus interface offering 16-Mbyte address space and configurable 8-/16-bit data width.

Its peripheral set includes Timer A (5×16-bit) with PWM and 2-phase encoder input, Timer B (6×16-bit) for pulse measurement, 3-phase motor control logic using TA1/TA2/TA4/TB2, on-chip dead-time timer, and DMACII supporting burst/chain transfer triggered by any peripheral interrupt source.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	M32C/80 with 16×16→32-bit multiplier and 16×16+48→48-bit MAC; enables efficient motor control math and real-time signal processing.
Max Operating Frequency	32 MHz at 4.2–5.5 V or 24 MHz at 3.0–5.5 V; defines deterministic timing for hard real-time loops in motion control.
Flash Memory	768 KB program flash + 4 KB data flash; supports field firmware updates and parameter storage without external EEPROM.
ADC Resolution & Channels	10-bit resolution, 26 channels in single-chip mode; sufficient for simultaneous sampling of multiple motor phase currents and DC bus voltage.
CAN Interface	Two CAN 2.0B-compliant channels (M32C/87A variant); enables dual-network automotive or industrial fieldbus connectivity (e.g., J1939 + CANopen).
Operating Temperature	-40°C to +85°C (optional grade); qualified for under-hood or factory-floor environments without derating.
Supply Voltage Range	VCC1 = 3.0–5.5 V, VCC2 = 3.0 V to VCC1; allows direct interfacing with 3.3 V logic and 5 V analog sensors or transceivers.

Pinout & Package

Package: 100-pin LQFP (PLQP0100KB-A), 14 × 14 mm body, 0.5 mm pitch, exposed thermal pad.

Pin/Terminal	Circuit Role	Design Meaning
P9_6	CAN1OUT / TXD4 / SDA4	Dual-function pin: primary CAN1 transmit output; secondary I²C data line - requires software-configurable alternate function selection.
P9_5	CAN1IN / CLK4 / CAN1WU	Input for CAN1 receive; also serves as UART4 clock or wake-up trigger - critical for low-power CAN node design.
P8_3 / P8_2	CAN0IN / CAN0OUT	Dedicated CAN0 differential pair; supports full CAN 2.0B protocol stack with hardware message filtering and FIFO buffering.
P10_0–P10_7	AN_0–AN_7 / KI0–KI3 / RTP1_0–RTP3_3	8-channel analog input group with keypad interrupt and resistor ladder touch sensing - enables HMI integration without external components.
P6_0 / P6_1	RTP0_0 / RTP0_1 / CTS0 / RTS0 / SS0 / CLK0	Flexible serial control pins: supports UART flow control, SPI slave select, or synchronous serial clock - simplifies multi-protocol peripheral interfacing.

Key Features

Feature	Design Value
3-Phase Motor Control Logic	Hardware-accelerated inverter timing using TA1/TA2/TA4/TB2 with programmable dead-time insertion - eliminates software overhead in BLDC/PMSM commutation.
Intelligent I/O with Encoder Input	2-phase pulse signal processing on Timer A (3 channels) and Intelligent I/O (1 channel) - directly interfaces quadrature encoders for position/speed feedback.
On-Chip Debug & Flash Reprogram	Fully supported via on-chip debug module and in-system programming - enables production-line firmware flashing and field updates without external programmers.
CRC-CCITT Hardware Engine	Dedicated circuit compliant with X¹⁶+X¹²+X⁵+1 polynomial - accelerates checksum calculation for CAN message integrity and firmware image validation.
Low-Power Stop Mode	0.8 μA typical current at 3.3 V - extends battery life in always-on industrial sensors or remote nodes with periodic wake-up events.

Applications

Industrial Motor Drive	Automotive Body Control Module
Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC blowers or conveyor systems. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms, PWM generation with hardware dead-time, and ADC sampling synchronized to switching cycles. Use Value: Eliminates need for external gate drivers or dedicated motor control ASICs; reduces BOM count by integrating encoder interface and CAN diagnostics.	Use Scenario: Central gateway managing lighting, window lift, and seat position modules over CAN. IC Role / Device Role / Timing Role: Dual-CAN controller handling J1939 diagnostics and UDS communication while managing local I/O and LIN sub-nodes. Use Value: Reduces inter-module wiring complexity; enables secure firmware updates via CAN bootloader using on-chip flash security features.
Factory Automation PLC I/O Terminal	Smart Energy Meter Communication Hub
Use Scenario: Distributed I/O node collecting analog sensor data and controlling solenoids/relays in modular PLC racks. IC Role / Device Role / Timing Role: High-speed ADC acquisition (26 channels), programmable GPIO with pull-up selection, and UART-to-CAN bridging. Use Value: Supports mixed-signal conditioning and protocol translation without external level shifters or bus transceivers.	Use Scenario: AMI meter concentrator aggregating data from RS-485 smart meters and reporting via cellular or RF mesh networks. IC Role / Device Role / Timing Role: Simultaneous UART0 (RS-485), UART4 (cellular modem), and CAN (backup diagnostics) with hardware flow control on all ports. Use Value: Enables concurrent multi-protocol communication with deterministic latency - critical for time-of-use tariff synchronization.

Industrial Motor Drive

Automotive Body Control Module

Use Scenario: Closed-loop control of 3-phase BLDC motors in HVAC blowers or conveyor systems.

IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms, PWM generation with hardware dead-time, and ADC sampling synchronized to switching cycles.

Use Value: Eliminates need for external gate drivers or dedicated motor control ASICs; reduces BOM count by integrating encoder interface and CAN diagnostics.

Use Scenario: Central gateway managing lighting, window lift, and seat position modules over CAN.

IC Role / Device Role / Timing Role: Dual-CAN controller handling J1939 diagnostics and UDS communication while managing local I/O and LIN sub-nodes.

Use Value: Reduces inter-module wiring complexity; enables secure firmware updates via CAN bootloader using on-chip flash security features.

Factory Automation PLC I/O Terminal

Smart Energy Meter Communication Hub

Use Scenario: Distributed I/O node collecting analog sensor data and controlling solenoids/relays in modular PLC racks.

IC Role / Device Role / Timing Role: High-speed ADC acquisition (26 channels), programmable GPIO with pull-up selection, and UART-to-CAN bridging.

Use Value: Supports mixed-signal conditioning and protocol translation without external level shifters or bus transceivers.

Use Scenario: AMI meter concentrator aggregating data from RS-485 smart meters and reporting via cellular or RF mesh networks.

IC Role / Device Role / Timing Role: Simultaneous UART0 (RS-485), UART4 (cellular modem), and CAN (backup diagnostics) with hardware flow control on all ports.

Use Value: Enables concurrent multi-protocol communication with deterministic latency - critical for time-of-use tariff synchronization.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 16-bit MCU applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
R5F566TEADFP	32-bit RX66T core, 120 MHz, 512 KB flash, integrated FPU and trigonometric accelerator; no native CAN 2.0B - requires external CAN controller.	Higher computational throughput for advanced motor control (e.g., model-predictive control); unsuitable for legacy CAN 2.0B-only networks.	Select when migrating to 32-bit performance with future-proof scalability; avoid if CAN 2.0B compliance is mandatory and external transceivers are cost-prohibited.
MB9BF506RPMC	32-bit FM4 core, 144 MHz, 1 MB flash, dual CAN FD; operates at 2.7–5.5 V but rated only to +70°C standard grade.	Supports CAN FD for higher bandwidth firmware updates; lacks extended temperature qualification for under-hood use.	Choose for high-data-rate telematics gateways where CAN FD bandwidth outweighs ambient temperature requirements.

Compared with R5F566TEADFP and MB9BF506RPMC, the M30879FLAGP#U3 delivers deterministic 24/32 MHz real-time response with native dual CAN 2.0B, extended temperature support, and mature toolchain - making it optimal for cost-sensitive, safety-critical industrial and automotive body applications where protocol compatibility and qualification are non-negotiable.

Availability

M30879FLAGP#U3 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, and factory automation I/O terminals requiring stable component supply and long-term lifecycle assurance.

Supply support for M30879FLAGP#U3 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 M32C/87 Group was designed for high-integration embedded control in resource-constrained industrial and automotive applications - emphasizing real-time determinism, mixed-signal capability, and robust communication interfaces including CAN 2.0B.

FAQ

What is the maximum operating frequency and supply voltage range for the M30879FLAGP#U3?

The M30879FLAGP#U3 operates at up to 32 MHz with VCC1 = 4.2–5.5 V, or 24 MHz with VCC1 = 3.0–5.5 V. VCC2 must be between 3.0 V and VCC1. These specifications are defined in the Renesas REJ03B0127-0151 datasheet Rev.1.51 and apply directly to the M30879FLAGP#U3 device in its 100-pin LQFP package.

Does the M30879FLAGP#U3 include CAN interface support, and how many channels are implemented?

Yes, the M30879FLAGP#U3 belongs to the M32C/87A subgroup and integrates two fully compliant CAN 2.0B channels - CAN0 and CAN1 - each with dedicated transmit/receive pins, message buffers, and hardware filtering. This is confirmed in Table 1.6 of the official Renesas datasheet and distinguishes it from the M32C/87B (no CAN) and base M32C/87 (dual CAN).

What is the flash memory configuration of the M30879FLAGP#U3, and is data flash included?

The M30879FLAGP#U3 contains 768 KB of main program flash memory plus an additional 4 KB of dedicated data flash memory, as specified in Table 1.6 of the Renesas REJ03B0127-0151 datasheet. This data flash area supports EEPROM-like wear-leveling and is used for parameter storage, calibration data, or firmware update staging - all accessible via the on-chip debug interface.

Which package type and pin count does the M30879FLAGP#U3 use, and what are its thermal characteristics?

The M30879FLAGP#U3 uses a 100-pin LQFP package (PLQP0100KB-A), 14 mm × 14 mm body size with 0.5 mm pitch and an exposed thermal pad. Its thermal resistance (θJA) is 40°C/W per Renesas package documentation, enabling reliable operation at full speed in ambient temperatures up to +85°C when mounted on a 2-layer PCB with adequate copper pour.

How many analog-to-digital converter channels does the M30879FLAGP#U3 support, and what is their resolution?

In single-chip mode, the M30879FLAGP#U3 supports 26 channels of 10-bit ADC with sample-and-hold functionality, as documented in Table 1.4 of the Renesas datasheet. This configuration is fixed for the 100-pin variant and differs from the 144-pin version (34 channels), confirming the M30879FLAGP#U3's suitability for mid-channel-count industrial sensing applications.

M30879FLAGP#U3 Specifications

Product attributes: Attribute value

Manufacturer:: Renesas

Package/Case:: 100-LQFP

Series:: M16C™ M32C/80/87

Packaging:: Tray

Product Status:: Active

Programmable:: Not Verified

Core Processor:: M32C/80

Core Size:: 16/32-Bit

Speed:: 32MHz

Connectivity:: CANbus, EBI/EMI, I2C, IEBus, IrDA, SIO, UART/USART

Peripherals:: DMA, POR, PWM, WDT

Number of I/O:: 85

Program Memory Size:: 1MB (1M x 8)

Program Memory Type:: FLASH

EEPROM Size:: 4K x 8

RAM Size:: 48K x 8

Voltage - Supply (Vcc/Vdd):: 3V ~ 5.5V

Data Converters:: A/D 26x10b; D/A 2x8b

Oscillator Type:: Internal

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

M30879FLAGP#U3 FAQ

1.How can I place an order for M30879FLAGP#U3 through Aetrix?

Please submit a Request for Quotation (RFQ) for M30879FLAGP#U3 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 M30879FLAGP#U3 reliable?

The price and inventory of M30879FLAGP#U3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M30879FLAGP#U3 is usually 5 days.

3.What payment methods are accepted for M30879FLAGP#U3?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for M30879FLAGP#U3 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for M30879FLAGP#U3?

M30879FLAGP#U3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your M30879FLAGP#U3 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 M30879FLAGP#U3?

For technical support, including M30879FLAGP#U3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M30879FLAGP#U3 requirements.

6.How does Aetrix verify that M30879FLAGP#U3 is sourced from the original manufacturer or authorized distributors?

All M30879FLAGP#U3 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 M30879FLAGP#U3 meets industry standards.

7.What is the process for return or replacement of M30879FLAGP#U3?

All M30879FLAGP#U3 units undergo pre-shipment inspection (PSI). If there is an issue with M30879FLAGP#U3, 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 M30879FLAGP#U3 part is unused and in its original packaging.

Return procedure for M30879FLAGP#U3:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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