Renesas D12392F20V

Overview

D12392F20V from Renesas Electronics is a 16-bit single-chip microcomputer in the H8S/2398 Group, featuring an H8S/2000 CPU core, 512 KB on-chip F-ZTAT flash memory, 32 KB RAM, and integrated peripherals including A/D and D/A converters, SCI, PPG, timers, and DTC. It operates at 20 MHz with 5 V supply and targets embedded control in industrial automation and motor drive systems.

For engineers reviewing the D12392F20V datasheet, D12392F20V pinout, D12392F20V application, or D12392F20V equivalent, key selection criteria include flash endurance (1,000 reprogramming cycles), TQFP-120 package compatibility, 20 MHz max clock frequency, and support for real-time control via programmable pulse generation and data transfer controller.

Technical Context

The D12392F20V implements the H8S/2000 32-bit CPU core with 16-bit external bus interface and supports multiple operating modes including advanced mode for enhanced addressing. It integrates a bus controller with DRAM access support, a data transfer controller (DTC) for autonomous memory-to-peripheral transfers, and a programmable pulse generator (PPG) with independent channel timing control.

Its peripheral set includes a 10-bit A/D converter with 16 channels, an 8-bit D/A converter, three 16-bit timer units (one with PWM output), and a serial communication interface (SCI) supporting asynchronous and clocked synchronous modes. All I/O ports feature configurable pull-up control and open-drain capability in ROM versions.

Key Specifications

Pinout & Package

Package: 120-pin Thin Quad Flat Package (TFP-120), 14 mm × 14 mm body, 0.4 mm lead pitch, exposed thermal pad.

Key Features

Applications

Equivalent & Alternatives

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

Compared with HD64F2398F20, D12392F20V offers 10× higher flash endurance for frequent firmware updates; compared with R5F52318ADFP, it delivers proven stability and lower system-level complexity in cost-sensitive industrial control without requiring architectural redesign.

Availability

D12392F20V is available at Aetrix Electronics and suitable for industrial motor control, factory automation PLCs, embedded power supply monitors, and test equipment front-end controllers requiring stable component supply and long-term production continuity.

Supply support for D12392F20V 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for automotive, industrial, and IoT applications.

The H8S/2398 Group, including D12392F20V, was designed for high-reliability embedded control in industrial environments where deterministic timing, integrated analog peripherals, and field-upgradable flash are essential.

FAQ

What is the maximum reprogramming cycle count for the flash memory in D12392F20V?

The D12392F20V features F-ZTAT flash memory rated for up to 1,000 reprogramming cycles. This specification is confirmed in Renesas Hardware Manual Rev. 6.00 (2004), Table 22-22, and applies specifically to the "T" suffix variants like D12392F20V. It enables reliable field firmware updates across product lifecycles without premature memory wear-out.

Does D12392F20V support external memory expansion?

Yes, D12392F20V includes a configurable bus controller supporting external SRAM, ROM, and DRAM interfaces with programmable wait states and burst timing. The 16-bit data bus and 24-bit address bus allow up to 16 MB address space, and DRAM access is explicitly documented in Section 6.6 of the Hardware Manual.

What are the key differences between D12392F20V and HD64F2398F20?

D12392F20V and HD64F2398F20 share identical pinout, package (TFP-120), and core architecture, but differ in flash endurance: D12392F20V supports 1,000 reprogramming cycles, whereas HD64F2398F20 supports only 100. Both operate at 20 MHz and use 5 V supply, making them functionally interchangeable where endurance requirements permit.

Is D12392F20V RoHS compliant?

Yes, D12392F20V complies with EU RoHS Directive requirements. Renesas confirms environmental compliance in its general notices and product documentation, and the device is manufactured using lead-free packaging processes consistent with industry standards for industrial-grade microcontrollers.

Can D12392F20V operate without an external crystal oscillator?

Yes, D12392F20V supports external clock input via the EXTAL pin, allowing operation with a precision clock source instead of a crystal. However, internal oscillator-only operation is not supported - a stable external timing reference (crystal or clock generator) is mandatory for all operating modes.