Renesas M30879FLAGP#U5

Overview

M30879FLAGP#U5 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 devices.

For engineers reviewing the M30879FLAGP#U5 datasheet, M30879FLAGP#U5 pinout, M30879FLAGP#U5 application, or M30879FLAGP#U5 equivalent, key selection criteria include its 24 MHz/32 MHz dual-frequency operation, 100-pin LQFP (PLQP0100KB-A) package, 26-channel 10-bit ADC in single-chip mode, dual CAN interface with 16-slot message buffers, and on-chip debug support for embedded firmware development.

Technical Context

The M30879FLAGP#U5 implements the M32C/80 CPU core with 108 basic instructions and supports three operating modes: single-chip, memory expansion, and microprocessor. Its external bus interface provides 16-Mbyte address space with configurable wait states (1–7), four chip selects, and switchable 8-/16-bit data bus width.

It integrates two independent CAN 2.0B modules (16-slot × 1 channel per module), a 4-channel DMAC with cycle-steal transfer, five 16-bit Timer A units supporting PWM and 2-phase encoder input, six 16-bit Timer B units for pulse measurement, and dual 8-bit D/A converters - all synchronized to a flexible clock system with main/sub oscillators, on-chip oscillator, and PLL frequency synthesizer.

Key Specifications

Pinout & Package

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

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F566TEADFP and MB9BF516RPMC, the M30879FLAGP#U5 uniquely delivers dual CAN 2.0B with hardware message buffering and integrated dead time generation in a mature 16-bit platform - making it optimal for incremental upgrades of legacy industrial and automotive ECU designs without architectural overhaul.

Availability

M30879FLAGP#U5 is available at Aetrix Electronics and suitable for industrial motor drives, automotive body control modules, and office equipment controllers requiring stable component supply and long-term lifecycle support.

Supply support for M30879FLAGP#U5 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/87A product line was engineered for cost-effective, real-time control in resource-constrained embedded systems - emphasizing dual-CAN networking, motor timing precision, and flash-based field upgradability in industrial and automotive ECUs.

FAQ

What is the maximum operating frequency and supply voltage range for the M30879FLAGP#U5?

The M30879FLAGP#U5 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 ranges are specified in the REJ03B0127-0151 datasheet Rev.1.51 and define the valid conditions for achieving rated performance and timing compliance. Exceeding these limits may cause instability or permanent damage to the M30879FLAGP#U5.

Does the M30879FLAGP#U5 support dual CAN 2.0B interfaces, and how are they implemented?

Yes, the M30879FLAGP#U5 is an M32C/87A variant and supports two independent CAN 2.0B modules - CAN0 (pins P8_2/P8_3) and CAN1 (pins P9_5/P9_6). Each has 16 message slots and full protocol handling including ID filtering, error counters, and automatic retransmission. This dual-CAN capability is confirmed in Table 1.2 and Figure 1.2 of the official Renesas datasheet for the M32C/87 Group.

What package type and pin count does the M30879FLAGP#U5 use?

The M30879FLAGP#U5 uses a 100-pin LQFP package designated PLQP0100KB-A (100P6Q-A), measuring 14 mm × 14 mm with 0.5 mm lead pitch. This is explicitly listed in Table 1.6 of the REJ03B0127-0151 datasheet under "M32C/87 Group (2) (M32C/87A: 1-channel CAN module)" - confirming the package code and mechanical footprint for the M30879FLAGP#U5.

How many ADC channels does the M30879FLAGP#U5 provide, and what is their resolution?

The M30879FLAGP#U5 provides 26 channels of 10-bit analog-to-digital conversion in single-chip mode, as specified in Table 1.4 for the 100-pin package. It includes sample-and-hold functionality and supports simultaneous sampling across multiple channels - critical for motor current sensing and thermal monitoring in industrial applications using the M30879FLAGP#U5.

Is on-chip debug and flash reprogramming supported on the M30879FLAGP#U5?

Yes, the M30879FLAGP#U5 supports full on-chip debug (OCD) via dedicated debug interface pins and on-board flash reprogramming through the built-in bootloader. These capabilities are documented in Section 1.1.2 (Table 1.2) and Section 1.2 (Table 1.6) of the REJ03B0127-0151 datasheet, enabling in-system firmware updates and real-time debugging without external emulators - a key advantage for field-deployed M30879FLAGP#U5 systems.