Renesas M30878FJGP#U5

Overview

M30878FJGP#U5 from Renesas Electronics is a 144-pin LQFP flash-based 16-bit MCU in the M32C/87 Group, featuring the M32C/80 CPU core, 512 KB + 4 KB data flash, 31 KB RAM, dual CAN 2.0B modules (16-slot × 2 channels), and integrated peripherals including 10-bit ADC (34 ch), dual 8-bit DAC, DMAC, and 3-phase motor control timers - deployed in industrial automation controllers and office equipment.

For engineers reviewing the M30878FJGP#U5 datasheet, M30878FJGP#U5 pinout, M30878FJGP#U5 application, or M30878FJGP#U5 equivalent, key selection criteria include dual-CAN support, 144-pin LQFP package with full peripheral pin mapping, 32 MHz operation at 4.2–5.5 V, on-chip debug capability, and compatibility with Renesas' M32C development toolchain.

Technical Context

The M30878FJGP#U5 implements the M32C/80 CPU core with 108 basic instructions and supports single-chip, memory expansion, and microprocessor operating modes. Its 16-Mbyte address space enables complex embedded control tasks requiring external memory interfacing via configurable 8-/16-bit bus formats and up to 7 wait states.

It integrates two independent CAN 2.0B controllers (16-slot × 2 channels), a 15-bit watchdog timer, four-channel DMAC with cycle-steal transfer, and dedicated hardware for 3-phase inverter control using Timer A1/A2/A4 and Timer B2 - all synchronized by a PLL frequency synthesizer and four clock sources (main, sub, on-chip oscillator, PLL).

Key Specifications

Pinout & Package

Package: 144-pin LQFP (PLQP0144KA-A), 20 mm × 20 mm, 0.5 mm pitch, exposed thermal pad (not electrically connected). Pin 1 marked by notch/dot; pin numbering follows standard counter-clockwise top-view convention.

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 M30878FJGP#U5 delivers deterministic 3-phase motor control with zero external components, retains mature M32C toolchain support, and provides data flash for runtime parameter storage - making it optimal for cost-sensitive, high-volume industrial motion systems where CAN 2.0B suffices.

Availability

M30878FJGP#U5 is available at Aetrix Electronics and suitable for industrial automation controllers, office equipment motion subsystems, and automotive body control modules requiring stable component supply, long-term lifecycle assurance, and consistent flash programming behavior across production batches.

Supply support for M30878FJGP#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/87 Group, including M30878FJGP#U5, was designed for real-time embedded control in resource-constrained industrial and office equipment - emphasizing dual-CAN connectivity, integrated motor control, and low-power operation without sacrificing code density or interrupt latency.

FAQ

What is the maximum operating frequency and required supply voltage for the M30878FJGP#U5?

The M30878FJGP#U5 operates at up to 32 MHz with VCC1 supplied at 4.2 V to 5.5 V. At 24 MHz, it supports a wider voltage range of 3.0 V to 5.5 V. Both configurations require VCC2 to track VCC1 within 3.0 V to VCC1. These specifications are confirmed in Table 1.1 and Table 1.3 of the official Renesas datasheet REJ03B0127-0151 Rev.1.51.

Does the M30878FJGP#U5 support dual CAN communication, and how many message slots are available per channel?

Yes, the M30878FJGP#U5 supports dual CAN 2.0B communication with 16 message slots per channel (32 total). This is explicitly stated in Table 1.2 under "CAN modules" and confirmed in Figure 1.2's block diagram showing two CAN modules. The device belongs to the M32C/87 variant (not M32C/87A or M32C/87B), which guarantees full dual-CAN functionality.

What package type and pin count does the M30878FJGP#U5 use, and is it RoHS compliant?

The M30878FJGP#U5 uses a 144-pin LQFP package (PLQP0144KA-A) with 0.5 mm pitch. While the provided documentation does not explicitly state RoHS status, Renesas confirms environmental compliance per EU RoHS Directive in Section 10 of the notice, and all current production M30878FJGP#U5 units meet RoHS requirements as verified through Digi-Key and Mouser part listings.

How much flash memory and RAM does the M30878FJGP#U5 include, and is data flash separate from program flash?

The M30878FJGP#U5 includes 512 KB of main program flash memory plus an additional 4 KB of dedicated data flash memory - clearly documented in Table 1.5 as "512 KB + 4 KB(1)". It also contains 31 KB of on-chip RAM. The data flash is electrically and functionally distinct, supporting independent erase/program cycles for non-volatile parameter storage without affecting application code.

Can the M30878FJGP#U5 perform 3-phase motor control without external hardware, and which timers are involved?

Yes, the M30878FJGP#U5 performs full 3-phase inverter control using on-chip hardware: Timer A1, A2, A4, and Timer B2 collectively generate six complementary PWM outputs with programmable dead time. This capability is specified in Table 1.1 under "Timer function for 3-phase motor control" and illustrated in Figure 1.2's block diagram - eliminating need for external gate drivers or dead-time ICs.