Renesas M30625FGPGP#U5C

Overview

M30625FGPGP#U5C from Renesas Electronics is a 16-bit Flash-based microcontroller in the M16C/62P Group, built on the M16C/60 Series CPU core. It features 256 KB + 4 KB Flash ROM, 20 KB RAM, operates at up to 24 MHz (41.7 ns min instruction time), supports 128-pin LQFP packaging, and integrates dual 16-bit timer units, 10-bit 26-channel ADC, dual 8-bit DACs, 2-channel DMAC, I²C, UART, IEBus, and PLL clock synthesis - enabling real-time control in industrial motor drives and embedded instrumentation.

For engineers reviewing the M30625FGPGP#U5C datasheet, M30625FGPGP#U5C pinout, M30625FGPGP#U5C application, or M30625FGPGP#U5C equivalent, key selection considerations include its -20°C to +85°C operating range, lead-free U5 product code, 128-pin LQFP package with VCC1/VCC2 dual-supply support, and Flash endurance of 1,000 cycles (user ROM) / 10,000 cycles (Block A & Block 1).

Technical Context

The M30625FGPGP#U5C implements the M16C/60 Series 16-bit CISC CPU core with 91 instructions and memory-mapped I/O architecture. Its system clock generation includes main/subclock circuits, on-chip oscillator, and PLL synthesizer with built-in feedback resistor - enabling flexible clock source selection and jitter-tolerant timing for motor control loops.

Peripheral integration centers on deterministic real-time operation: Timer A (16-bit × 5 channels) and Timer B (16-bit × 6 channels) support three-phase motor control; CRC calculation uses CCITT polynomial (X¹⁶+X¹²+X⁵+1); and dual DMAC channels enable zero-CPU-overhead data transfers between memory and peripherals like ADC/DAC/serial interfaces.

Key Specifications

Pinout & Package

Package: 128-pin plastic LQFP (PLQP0128KB-A), 20 mm × 20 mm body, 0.4 mm pitch, exposed thermal pad (not electrically connected). Pin layout follows Figure 1.1 block diagram with dedicated VCC1/VCC2 supply groups, port P0–P14 I/O banks, and separate analog/digital ground planes.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with R5F100PLGSP#V0, M30625FGPGP#U5C delivers higher Flash/RAM density and legacy IEBus support but lacks RL78's ultra-low-power modes; versus M30626FHPGP#U5C, it trades 128 KB less Flash and 11 KB less RAM for tighter cost control in volume production.

Availability

M30625FGPGP#U5C is available at Aetrix Electronics and suitable for industrial motor drives, embedded instrumentation, home appliance control, and office equipment requiring stable component supply and long-term manufacturing continuity.

Supply support for M30625FGPGP#U5C 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, formed from the merger of NEC Electronics and Renesas Technology in 2010, is a global semiconductor leader specializing in microcontrollers, analog, and power devices for industrial, automotive, and consumer markets.

The M16C/62P Group was designed for real-time embedded control in resource-constrained industrial systems - emphasizing deterministic interrupt latency, integrated motor peripherals, and Flash reliability for field-upgradable equipment.

FAQ

What is the Flash memory endurance specification for M30625FGPGP#U5C?

M30625FGPGP#U5C has graded Flash endurance: 1,000 program/erase cycles for user ROM areas excluding Block A and Block 1, and 10,000 cycles for Block A and Block 1. This allows critical boot code and calibration data to be stored in high-endurance blocks while general firmware resides in standard-area Flash - extending field lifetime in applications requiring frequent updates.

Does M30625FGPGP#U5C support both I²C and IEBus protocols on the same hardware module?

Yes, M30625FGPGP#U5C implements a dual-mode serial interface that can be configured in software as either I²C bus (compliant with Philips standard) or IEBus (NEC automotive serial bus). The same physical pins and controller logic serve both protocols - enabling interoperability with legacy automotive subsystems and modern sensor networks without additional transceivers.

What is the significance of the "U5" product code in M30625FGPGP#U5C?

The "U5" suffix in M30625FGPGP#U5C indicates a lead-free device with -20°C to +85°C operating temperature range and 1,000/10,000 Flash endurance grading. It corresponds to Renesas' standardized product coding per Table 1.8, confirming RoHS compliance, industrial-grade thermal qualification, and optimized endurance partitioning for firmware update resilience.

Can M30625FGPGP#U5C operate with separate VCC1 and VCC2 supply voltages?

Yes, M30625FGPGP#U5C supports independent VCC1 (3.0–5.5 V for CPU/core) and VCC2 (2.7 V to VCC1 for I/O ports) supplies. This dual-rail design isolates core logic noise from I/O switching transients, improves ADC accuracy, and enables level-shifting between subsystems - critical in mixed-voltage industrial control boards.

How does the three-phase motor control circuit in M30625FGPGP#U5C reduce external component count?

M30625FGPGP#U5C integrates dedicated hardware for three-phase motor commutation, including complementary PWM output generation, programmable dead-time insertion, and fault protection logic. This eliminates discrete gate drivers, external dead-time ICs, and associated passive components - reducing bill-of-materials cost and PCB area by approximately 15 components in typical BLDC inverter designs.