Renesas M30620FCMFP#U3

Overview

M30620FCMFP#U3 from Renesas Electronics is a 16-bit single-chip microcontroller in the M16C/62M group, featuring a M16C/60 Series CPU core, 256 KB Flash memory, 20 KB RAM, and operation at 2.2–3.6 V supply. It integrates dual clock generators, 11 timers (5 output + 6 input), 5 serial I/O channels, 10-bit × 8-channel ADC (expandable to 10), and 8-bit × 2-channel DAC - optimized for real-time control in office equipment and portable communications devices.

For engineers reviewing the M30620FCMFP#U3 datasheet, M30620FCMFP#U3 pinout, M30620FCMFP#U3 application, or M30620FCMFP#U3 equivalent, key selection considerations include its 100-pin QFP package, low-voltage operation down to 2.2 V with software wait, 100 ns instruction execution at 10 MHz, integrated DMAC (2 channels), and Flash-programmable memory architecture supporting field updates.

Technical Context

The M30620FCMFP#U3 implements the M16C/60 Series 16-bit CPU core with 91 basic instructions and supports both single-chip and microprocessor modes. Its memory subsystem includes on-chip 256 KB Flash (programmable at V_CC = 2.7–3.6 V) and 20 KB RAM, with external memory expansion support up to 1 MB via 4 chip select outputs and multiplexed address/data bus.

Peripheral integration includes two independent clock generation circuits (XIN/XOUT and XCIN/XCOUT), CRC-CCITT calculation hardware, watchdog timer (15-bit with prescaler), and programmable I/O across 10 ports (87 lines total). The device supports 25 internal + 8 external interrupt sources across 7 priority levels, enabling deterministic real-time response in embedded control loops.

Key Specifications

Pinout & Package

Package: 100-pin plastic molded QFP (100P6S-A), 14 mm × 20 mm body, 0.65 mm pitch, lead-free compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F102BAASP#30 and MB9BF516RPMC-G-SNE2, the M30620FCMFP#U3 uniquely combines Flash programmability, integrated dual DAC, and 11 timers in a 100-pin QFP - making it optimal for analog-intensive, real-time control where mixed-signal integration reduces BOM count and PCB area.

Availability

M30620FCMFP#U3 is available at Aetrix Electronics and suitable for office equipment, portable communications devices, and industrial HMI panels requiring stable component supply and long-term production continuity.

Supply support for M30620FCMFP#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 leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and consumer markets.

The M16C/62M group was designed for cost-effective, low-voltage real-time control in resource-constrained embedded systems - emphasizing Flash flexibility, analog integration, and deterministic interrupt latency for office automation and portable electronics.

FAQ

What is the maximum operating frequency of the M30620FCMFP#U3 at 2.7 V supply?

The M30620FCMFP#U3 achieves a maximum operating frequency of 10 MHz at 2.7–3.6 V with no software wait states. At 2.4–2.7 V, it operates up to 7 MHz without wait; at 2.2–2.4 V, it requires one software wait state to maintain reliable execution at 7 MHz. These limits are defined by the relationship f_BCLK ≤ 10×V_CC − 17 MHz (no wait) and f_BCLK ≤ 17.5×V_CC − 35 MHz (with wait), ensuring timing margin across voltage and temperature ranges. The M30620FCMFP#U3 maintains full functionality across this range.

Does the M30620FCMFP#U3 support in-system programming of its Flash memory?

Yes, the M30620FCMFP#U3 supports in-system programming (ISP) of its 256 KB Flash memory using standard V_CC supply (2.7–3.6 V) and on-chip programming logic - no external high-voltage programmer required. Programming and erasure are performed via dedicated command sequences executed from RAM, with sector erase times under 100 ms and byte programming times under 10 μs. This capability enables field firmware updates and eliminates the need for socketed programming in production. The M30620FCMFP#U3 retains full read/execute functionality during programming operations.

How many analog input channels does the M30620FCMFP#U3 ADC support, and can they be expanded?

The M30620FCMFP#U3 features a 10-bit successive approximation ADC with 8 dedicated analog input channels (AN0–AN7) and supports expansion to 10 channels using ANEX0 and ANEX1 pins. All channels share a common V_REF input, which may be tied to V_CC or an external reference up to V_CC. Conversion time is 9.8 μs at f_AD = f_AD/2, and absolute accuracy is ±2 LSB. The M30620FCMFP#U3 ADC includes sample-and-hold functionality and supports triggered conversions via timer or external event - essential for synchronized sensor acquisition.

What peripheral clock sources are available for the M30620FCMFP#U3 timers?

The M30620FCMFP#U3 provides multiple clock sources for its 11 timers: main system clock (BCLK, derived from XIN/XOUT), subclock (f_XCIN = 32.768 kHz), and internal divided clocks (f_BCLK/2, f_BCLK/4, etc.). Timer TA0–TA4 and TB0–TB5 each support independent clock selection via control registers, enabling mixed-rate timing - e.g., high-frequency PWM generation (using BCLK) alongside low-power event counting (using XCIN). The M30620FCMFP#U3 also allows external trigger inputs (e.g., TA0IN, TB1IN) for edge-sensitive timing capture.

Is the M30620FCMFP#U3 qualified for industrial temperature range operation?

Yes, the M30620FCMFP#U3 is specified for operation across −40°C to +85°C ambient temperature, meeting industrial-grade requirements. This rating is explicitly stated in Table 1.26.2 (Recommended Operating Conditions) and reinforced by absolute maximum ratings covering Topr = −40°C to 85°C. The device uses Standard quality grade per Renesas classification, making it suitable for industrial robots, test equipment, and factory automation - but not for automotive or safety-critical applications without additional qualification. The M30620FCMFP#U3 maintains full electrical specifications across this full range.