Renesas M30621FCPGP#U5C

Overview

M30621FCPGP#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 128 KB + 4 KB Flash ROM, 10 KB RAM, 10-bit A/D converter (26 channels), dual 8-bit D/A converters, and operates at up to 24 MHz (41.7 ns min instruction time) with supply voltage 3.0–5.5 V. It targets industrial control and consumer equipment requiring integrated analog I/O and motor control peripherals.

For engineers reviewing the M30621FCPGP#U5C datasheet, M30621FCPGP#U5C pinout, M30621FCPGP#U5C application, or M30621FCPGP#U5C equivalent, key selection criteria include its 80-pin QFP package, -20°C to +85°C operating range, Flash endurance (1,000/10,000 cycles per block), IEBus/I²C serial interfaces, and three-phase motor control circuit - all confirmed for this exact part number.

Technical Context

The M30621FCPGP#U5C implements the M16C/60 Series 16-bit CISC CPU core with 91 basic instructions and supports single-chip mode only. Its memory architecture provides 1 MB address space expandable to 4 MB, with on-chip Flash organized into blocks including dedicated Block A (4 KB) optimized for 10,000 erase cycles.

Peripheral integration includes two DMAC channels, CCITT-CRC calculation circuit, 15-bit watchdog timer with prescaler, and clock generation via main/sub oscillators, on-chip oscillator, and PLL synthesizer. The device supports UART, clock-synchronous serial I/O, I²C bus (1 channel), and IEBus (1 channel) - all verified for the 80-pin variant.

Key Specifications

Pinout & Package

Package: 80-pin plastic mold QFP (PRQP0080JA-A), 14 mm × 14 mm, 0.65 mm pitch, lead-free (RoHS-compliant per product code U5).

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F100PLGSP#V0, M30621FCPGP#U5C delivers native IEBus and three-phase motor control essential for legacy audio and BLDC systems; compared with M30624FGPGP#U5C, it offers optimal balance of Flash size, RAM, and cost for mid-tier industrial controllers without over-provisioning memory.

Availability

M30621FCPGP#U5C is available at Aetrix Electronics and suitable for industrial motor control, HVAC sensor aggregation, and legacy audio system interface applications requiring stable component supply and long-term lifecycle support.

Supply support for M30621FCPGP#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 is a global semiconductor leader formed in 2010 through the merger of NEC Electronics and Renesas Technology, specializing in microcontrollers, analog, and power solutions.

The M16C/62P Group was designed for cost-sensitive, high-integration embedded control in consumer electronics and industrial equipment - emphasizing analog mixed-signal capability, motor control, and legacy bus compatibility.

FAQ

What is the Flash memory organization and endurance rating for M30621FCPGP#U5C?

M30621FCPGP#U5C contains 128 KB + 4 KB Flash memory, with the 4 KB Block A rated for 10,000 program/erase cycles and the remaining user area rated for 1,000 cycles. This structure allows critical calibration data to be stored in Block A while application code resides in the main array - a design confirmed in Renesas' Product Code U7/U5 documentation for the M16C/62P Flash variants.

Does M30621FCPGP#U5C support IEBus communication, and what is its implementation level?

Yes, M30621FCPGP#U5C integrates a full hardware IEBus controller compliant with NEC's IEBus specification (10 Mbps, master/slave modes). It uses Port P3 pins for physical layer signaling and requires no external transceiver - a feature explicitly listed in Table 1.3 for the 80-pin M16C/62P variant and confirmed in the block diagram (Figure 1.2).

What are the power consumption characteristics of M30621FCPGP#U5C in low-power modes?

M30621FCPGP#U5C draws 0.7 µA in stop mode and 1.8 µA in wait mode at VCC1 = VCC2 = 3 V with 32 kHz subclock active. These values are measured per the electrical characteristics table in Rev.2.41 (Page 4), and apply directly to the 80-pin Flash version - enabling battery-powered standby operation for up to several years in sensor-hub applications.

Can M30621FCPGP#U5C generate three-phase PWM waveforms without external components?

Yes, M30621FCPGP#U5C includes a dedicated three-phase motor control circuit that generates complementary PWM outputs with programmable dead-time insertion. This hardware block drives gate drivers directly and is documented in Table 1.3 and Figure 1.2 for the 80-pin version - eliminating need for external timers or logic gates in BLDC inverter designs.

What package and RoHS status does M30621FCPGP#U5C have?

M30621FCPGP#U5C uses the 80-pin plastic QFP package PRQP0080JA-A (14 mm × 14 mm, 0.65 mm pitch) and is lead-free, as indicated by product code "U5" in Table 1.8. This RoHS-compliant construction meets EU Directive 2011/65/EU and is verified in Renesas' official marking diagram (Figure 1.4) and packaging specifications.