Renesas M30622F8PFP#U3C

Overview

M30622F8PFP#U3C from Renesas Electronics is a 16-bit Flash microcontroller in the M16C/62P Group, built on the M16C/60 Series CPU core and packaged in a 100-pin plastic QFP (PRQP0100JB-A). It integrates 64 KB + 4 KB Flash ROM, 4 KB RAM, a 10-bit 26-channel A/D converter, dual 8-bit D/A converters, and two DMAC channels. It targets real-time control in office equipment, industrial automation, and home appliances requiring deterministic timing and mixed-signal processing.

For engineers reviewing the M30622F8PFP#U3C datasheet, M30622F8PFP#U3C pinout, M30622F8PFP#U3C application, or M30622F8PFP#U3C equivalent, key selection criteria include its 100-pin QFP package with VCC1/VCC2 dual-supply support (3.0–5.5 V), -40°C to +85°C operating range (U3 product code), and integrated IEBus/I²C serial interfaces for legacy automotive and consumer bus compatibility.

Technical Context

The M30622F8PFP#U3C implements a single-chip 16-bit architecture with a 91-instruction set and minimum instruction execution time of 41.7 ns at 24 MHz BCLK. Its memory space spans 1 MB (expandable to 4 MB), supported by on-chip PLL synthesizer, main/subclock generation circuits, and oscillation stop detection.

Peripheral integration includes five 16-bit Timer A channels and six 16-bit Timer B channels, three-phase motor control logic, UART + clock-synchronous serial I/O (3 channels), CCITT-CRC calculation circuit, and 15-bit watchdog timer with prescaler - all coordinated via a 7-level priority interrupt controller with 29 internal sources.

Key Specifications

Pinout & Package

Package: 100-pin plastic quad flat pack (PRQP0100JB-A), 0.65 mm pitch, body size 14 × 20 mm, JEDEC MS-026 compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F100PLDFB#30 and M30622M8P-XXXFP, the M30622F8PFP#U3C uniquely balances field-upgradable Flash, legacy IEBus hardware support, and deterministic real-time performance - making it irreplaceable in retrofitting or maintaining NEC-based automotive and industrial platforms.

Availability

M30622F8PFP#U3C is available at Aetrix Electronics and suitable for office equipment control, home appliance interface, and industrial HMI applications requiring stable component supply across extended product lifecycles.

Supply support for M30622F8PFP#U3C 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 devices.

The M16C/62P Group was designed for cost-sensitive, real-time embedded control in consumer, industrial, and automotive systems where legacy bus compatibility (IEBus, I²C) and deterministic interrupt latency are critical.

FAQ

What is the maximum operating frequency and corresponding supply voltage for M30622F8PFP#U3C?

The M30622F8PFP#U3C achieves a minimum instruction execution time of 41.7 ns at 24 MHz BCLK, requiring VCC1 = 3.3–5.5 V. At lower frequencies (e.g., 10 MHz), it operates down to VCC1 = 2.7 V. The device uses an internal PLL to derive higher-frequency clocks from lower-speed crystals, enabling precise timing control without external high-frequency oscillators.

Does M30622F8PFP#U3C support in-system programming (ISP) and what voltage is required?

Yes, the M30622F8PFP#U3C supports in-system programming via its on-chip bootloader. Flash programming requires either 3.3 ± 0.3 V or 5.0 ± 0.5 V VCC1 supply, depending on configuration. The U3 product code indicates lead-free packaging and -40°C to +85°C operation, with block A and block 1 rated for 10,000 program/erase cycles - enabling reliable field firmware updates.

How many I/O pins does M30622F8PFP#U3C provide, and which ports support alternate functions?

The M30622F8PFP#U3C provides 87 general-purpose I/O pins across ports P0–P6 and P8–P10. Ports P0, P1, P2, P3, P4, P5, and P6 support alternate functions including UART, I²C, IEBus, Timer A/B I/O, and A/D inputs. Port P8_5 is dedicated to IEBus data; P9 and P10 support UART and clock-synchronous serial I/O - all configurable via register settings without external logic.

What is the purpose of the dual supply pins VCC1 and VCC2 on M30622F8PFP#U3C?

VCC1 powers the CPU core, internal RAM, and most peripherals (3.0–5.5 V), while VCC2 supplies the I/O port drivers (2.7 V to VCC1). This dual-domain design allows the M30622F8PFP#U3C to operate its core at 3.3 V while driving 5 V-tolerant I/O - eliminating level shifters in mixed-voltage systems and simplifying interface to legacy 5 V sensors and actuators.

Is M30622F8PFP#U3C qualified for automotive applications, and what temperature grade does it carry?

The M30622F8PFP#U3C carries the "Standard" quality grade per Renesas classification and is rated for -40°C to +85°C operation (U3 product code). While used in automotive body electronics (e.g., door modules), it is not certified for safety-critical "High Quality" applications like engine control or airbag systems. Its native IEBus interface aligns with legacy Japanese automotive subsystems, but full AEC-Q100 qualification is not specified for this variant.