Renesas DF36012GFXV

Overview

DF36012GFXV from Renesas Electronics is a 16-bit single-chip microcomputer in the H8/300H Tiny Series, featuring the H8/36012 Group core with 128 KB on-chip ROM, 8 KB RAM, and integrated peripherals including UART (SCI), timer modules (MTU, RTC), and 8-channel 10-bit ADC. It operates at up to 20 MHz and supports multiple power-down modes (Sleep, Standby, Subsleep) for low-power embedded control applications such as industrial sensors and motor controllers.

For engineers reviewing the DF36012GFXV datasheet, DF36012GFXV pinout, DF36012GFXV application, or DF36012GFXV equivalent, this page delivers verified technical context, package mapping, functional specifications, and real-world use cases - all grounded in Renesas' official H8/36014 Group Hardware Manual Rev.4.00 (2005) and confirmed product identification.

Technical Context

The DF36012GFXV implements the H8/300H CPU core with full instruction set compatibility to the H8/300, supporting 16-bit data paths and 24-bit addressing. It integrates on-chip flash memory (128 KB ROM) with in-system programming capability via boot-mode SCI, and includes a 10-bit successive-approximation ADC with sample-and-hold and 8 input channels.

Peripheral subsystems include three serial communication interfaces (SCI0–SCI2), a 16-bit multi-function timer unit (MTU) with PWM output, a real-time clock (RTC), and programmable I/O ports with interrupt-capable pins. Clock generation supports crystal (1–10 MHz), ceramic resonator, or external clock input with internal prescalers (PSC-S, PSC-M).

Key Specifications

Pinout & Package

DF36012GFXV is housed in a 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch) package with 79 configurable I/O pins, 3 dedicated power/ground pairs, and 10 pins assigned to clock, reset, and debug functions. NC pins are internally unconnected and must remain floating per Renesas design guidelines.

Key Features

Applications

Equivalent & Alternatives

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

Compared with HD64F36012G (identical functionality) and R5F36612ADFP (enhanced features but non-drop-in), DF36012GFXV offers proven stability in long-lifecycle industrial deployments where unchanged hardware and firmware maintenance are critical.

Availability

DF36012GFXV is available at Aetrix Electronics and suitable for industrial motor control, smart sensor nodes, PLC I/O modules, and embedded HMI applications requiring stable component supply, long-term obsolescence management, and traceable sourcing.

Supply support for DF36012GFXV 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 industrial, automotive, and infrastructure markets.

The H8 Family - including the DF36012GFXV - was engineered for cost-effective, deterministic real-time control in resource-constrained embedded systems, emphasizing low-power operation, on-chip integration, and long-term manufacturability.

FAQ

What is the maximum operating frequency of the DF36012GFXV?

The DF36012GFXV supports a maximum system clock frequency of 20 MHz, achievable using an external crystal (up to 10 MHz) with internal PLL multiplication or direct external clock input. At this speed, the H8/300H core executes instructions in 50 ns cycles, enabling tight timing control for motor PWM and ADC sampling synchronization - critical for maintaining DF36012GFXV's real-time performance in industrial automation.

Does the DF36012GFXV support in-system programming (ISP)?

Yes, the DF36012GFXV supports in-system programming via its built-in SCI interface in boot mode, allowing firmware updates without removing the device from the PCB. This capability relies on the on-chip 128 KB flash memory and is validated in Renesas' H8/36014 Group Hardware Manual. DF36012GFXV requires no external programmer, reducing development and field service costs.

What power-saving modes does the DF36012GFXV offer?

The DF36012GFXV provides three low-power modes: Sleep (CPU halted, peripherals active), Standby (CPU and most peripherals halted, RAM retained), and Subsleep (only RTC and wake-up logic active, current <10 µA). These modes are controlled via SYSCR1/SYSCR2 registers and enable DF36012GFXV to meet stringent energy budgets in battery-operated equipment like wireless sensors and portable HMIs.

Is the DF36012GFXV pin-compatible with other H8/360xx devices?

No - the DF36012GFXV uses a unique 100-pin LQFP package optimized for its specific peripheral set and memory size. While it shares the same H8/300H core architecture with devices like DF36024GFXV, pin assignments for timers, ADC, and SCI differ across the H8/360xx family. DF36012GFXV requires its own layout; migration to other variants necessitates PCB redesign.

What is the ADC resolution and input channel count on the DF36012GFXV?

The DF36012GFXV integrates a 10-bit successive-approximation ADC with 8 input channels (AD0–AD7), mapped to Port 2 pins (P20–P27). It achieves ±1 LSB integral nonlinearity and supports sample-and-hold operation - making DF36012GFXV suitable for precision analog measurements in motor current sensing, temperature monitoring, and industrial process control.