Renesas M30290FCTHP#U3

Overview

M30290FCTHP#U3 from Renesas Electronics is a 16-bit CMOS microcontroller in the M16C/29 Group, designed for embedded control in industrial and consumer systems. It features 256 KB on-chip flash memory, 16 KB RAM, operates at up to 20 MHz CPU clock, supports 5 V operation, and integrates UART, I²C, and 16-bit timer peripherals.

For engineers reviewing the M30290FCTHP#U3 datasheet, M30290FCTHP#U3 pinout, M30290FCTHP#U3 application, or M30290FCTHP#U3 equivalent, key selection criteria include its 100-pin LQFP package, 5 V tolerant I/O, hardware multiplier, on-chip debug interface, and support for CAN bus via external transceiver integration.

Technical Context

The M30290FCTHP#U3 implements the M16C CPU core with 16-bit data path and 24-bit address space, supporting both CISC instruction set and high-efficiency addressing modes including auto-increment/decrement and bit manipulation. It includes dual clock domains - main clock (up to 20 MHz) and sub-clock (32.768 kHz) - enabling low-power real-time operation with RTC capability.

Its peripheral suite includes three 16-bit timer/counters with PWM output, two serial interfaces (UART and I²C), 10-bit ADC with 16 channels, and programmable watchdog timer with independent clock source. The device uses on-chip voltage detection circuitry for brown-out reset and low-voltage interrupt generation.

Key Specifications

Pinout & Package

Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with M30290FCTHP#U3, R5F102AAASP#V0 offers superior energy efficiency but lacks hardware acceleration for control algorithms, while MB95560PFT-G-SNE1 provides 32-bit scalability and modern peripherals at the cost of increased code size and toolchain migration effort.

Availability

M30290FCTHP#U3 is available at Aetrix Electronics and suitable for industrial motor control, home appliance MCU, factory automation I/O modules, and smart power metering requiring stable component supply and long-term manufacturing continuity.

Supply support for M30290FCTHP#U3 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 manufacturer specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The M16C/29 Group was designed for cost-sensitive, high-reliability embedded control applications demanding deterministic real-time performance, robust peripheral integration, and long product life cycles in industrial and consumer equipment.

FAQ

What is the maximum operating frequency of the M30290FCTHP#U3?

The M30290FCTHP#U3 supports a maximum CPU clock frequency of 20 MHz, achieved using an external crystal (1–20 MHz) with on-chip PLL multiplication. This allows consistent 50 ns instruction cycle timing for deterministic real-time execution. The device also supports sub-clock operation at 32.768 kHz for low-power RTC functions. All timing specifications in the M30290FCTHP#U3 hardware manual assume operation within the specified voltage (4.5–5.5 V) and temperature (−20°C to +75°C) ranges.

Does the M30290FCTHP#U3 include on-chip debug capability?

Yes, the M30290FCTHP#U3 integrates a full-featured on-chip debug (OCD) module compliant with Renesas' standard debug protocol. It supports real-time program execution control, hardware breakpoints, memory/register read/write, and trace buffer functionality without requiring external emulation hardware. Debug access is provided through dedicated pins (TCK, TDO, TDI, TMS) mapped to Port 1, and the M30290FCTHP#U3 can be programmed and debugged using Renesas E1/E20 emulators and CS+ development environment.

What package type and pin count does the M30290FCTHP#U3 use?

The M30290FCTHP#U3 is packaged in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) with exposed thermal pad. This package supports standard surface-mount assembly processes and provides sufficient I/O (up to 80 general-purpose pins) for complex industrial interfaces. Pin assignments are fully documented in the M16C/29 Group Hardware Manual, including dedicated power/ground pairs, oscillator connections, reset, and debug interface signals - all verified for the exact M30290FCTHP#U3 variant.

Can the M30290FCTHP#U3 operate from a single 5 V supply?

Yes, the M30290FCTHP#U3 is rated for single-supply operation from 4.5 V to 5.5 V, making it compatible with standard 5 V system rails. Its internal voltage regulator stabilizes core logic voltage independently, ensuring reliable operation across the full supply range and temperature grade (−20°C to +75°C). The M30290FCTHP#U3 does not require auxiliary supplies or external regulators, simplifying power design for legacy 5 V industrial and consumer platforms.

What peripheral interfaces are integrated into the M30290FCTHP#U3?

The M30290FCTHP#U3 integrates UART (2 channels), I²C (1 channel), 16-bit timer/counters (3 units with PWM and capture/compare), 10-bit ADC (16-channel), watchdog timer, and on-chip voltage detection. It does not include native CAN or USB controllers, but supports CAN communication via external transceivers connected to GPIO or dedicated serial interface pins. All peripherals are register-mapped in the M16C/29 Group SFR space and fully documented in the M30290FCTHP#U3 hardware manual.