Renesas M38039G6HHP#U0

Overview

M38039G6HHP#U0 from Renesas Electronics is an 8-bit CMOS microcontroller based on the 740 family core, featuring 24 KB QzROM, 2048 bytes RAM, 10-bit 16-channel A/D converter, dual 8-bit D/A converters, and integrated LED drive capability for 8 segments. It operates across 1.8–5.5 V with selectable clock modes (high/middle/low-speed) and targets embedded control in household appliances and office automation equipment.

For engineers reviewing the M38039G6HHP#U0 datasheet, M38039G6HHP#U0 pinout, M38039G6HHP#U0 application, or M38039G6HHP#U0 equivalent, key selection considerations include its 64-pin LQFP package (PLQP0064KB-A), 16.8 MHz max oscillation frequency, built-in dual clock circuits (XIN/XOUT + XCIN/XCOUT), and hardware support for UART, clock-synchronized serial I/O, PWM, and watchdog timer.

Technical Context

The M38039G6HHP#U0 implements the standard 740-family instruction set (71 instructions) with 0.24 µs minimum instruction execution time at 16.8 MHz. Its CPU includes accumulator, dual 8-bit index registers (X/Y), 8-bit stack pointer, and 16-bit program counter, all managed via a dedicated processor status register with configurable flags (I, D, C, Z, V, N).

It integrates three independent serial interfaces (SIO1–SIO3), four 8-bit timers with prescalers, one 16-bit timer (Timer Z), and analog peripherals including a 10-bit SAR A/D converter with 16 input channels and two 8-bit current-output D/A converters - all accessible through a unified 56-pin programmable I/O port structure with software-configurable pull-ups.

Key Specifications

Pinout & Package

Package: PLQP0064KB-A - 64-pin plastic molded LQFP, 10 mm × 10 mm body, 0.5 mm pitch, exposed pad not specified.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 8-bit microcontroller applications.

Compared with M38039G6HHP#U0, the G8HHP offers +8 KB ROM for incremental feature expansion, while the GCHHP provides +25 KB for substantial firmware growth - both retain identical I/O mapping, clocking, and analog peripheral behavior, enabling drop-in upgrades within the same LQFP-64 footprint.

Availability

M38039G6HHP#U0 is available at Aetrix Electronics and suitable for household appliance control, office equipment monitoring, and industrial panel controller designs requiring stable component supply and long-term production continuity.

Supply support for M38039G6HHP#U0 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 3803 Group targets cost-sensitive, analog-intensive embedded control applications in consumer and industrial markets, emphasizing integrated A/D, D/A, LED drive, and multi-speed clocking for energy-efficient operation.

FAQ

What is the maximum operating frequency and corresponding voltage range for M38039G6HHP#U0?

M38039G6HHP#U0 supports a maximum oscillation frequency of 16.8 MHz. At this speed, it requires a supply voltage of 4.5–5.5 V in high-speed mode. Lower frequencies (e.g., 8.4 MHz, 4.2 MHz, 2.1 MHz) extend operational voltage down to 2.7 V, 2.2 V, and 2.0 V respectively - enabling flexible power/range trade-offs in battery-powered or variable-rail systems.

Does M38039G6HHP#U0 support external crystal oscillators on both main and sub-clock inputs?

Yes, M38039G6HHP#U0 supports external crystals on both XIN/XOUT (main clock, up to 16.8 MHz) and XCIN/XCOUT (sub-clock, typically 32.768 kHz). The main oscillator drives CPU and high-speed peripherals; the sub-oscillator enables low-power wake-up, RTC-like timing, and standby-mode operation without compromising accuracy.

How many analog input channels does M38039G6HHP#U0 provide, and what is their resolution?

M38039G6HHP#U0 provides 16 analog input channels (AN0–AN15) with 10-bit resolution. The A/D converter supports 8-bit reading mode for faster conversion cycles, and uses VREF as the reference voltage. Inputs are mapped across P00–P07 and P60–P67 pins, all shared with general-purpose I/O functionality.

Can M38039G6HHP#U0 directly drive common-anode or common-cathode LED displays?

M38039G6HHP#U0's P20–P27 pins are designed for direct LED segment drive with 10 mA average / 20 mA peak sink current per pin and 80 mA total sink capability. They support common-cathode configurations natively; for common-anode, external high-side drivers or P-channel FETs are required due to lack of source-current capability on these pins.

What serial communication protocols are supported by M38039G6HHP#U0's three serial interfaces?

M38039G6HHP#U0 supports UART (asynchronous) and clock-synchronized serial (synchronous master/slave) across SIO1 and SIO2. SIO3 supports clock-synchronized mode only. All three include SRDY handshaking signals (P37, P47, P53) for flow-controlled data transfer - enabling robust communication with sensors, displays, or host controllers without software polling overhead.