Renesas D12324SVTE25V

Overview

D12324SVTE25V from Renesas Electronics is a 16-bit single-chip microcomputer in the H8S/2324S group, featuring an H8S/2000 CPU core, 256 KB on-chip F-ZTAT™ flash memory, 16 KB RAM, and integrated peripherals including TPU, SCI, A/D converter, D/A converter, DMA controller, and watchdog timer. It operates at up to 25 MHz and targets embedded control systems requiring field-reprogrammable nonvolatile storage.

For engineers reviewing the D12324SVTE25V datasheet, D12324SVTE25V pinout, D12324SVTE25V application, or D12324SVTE25V equivalent, this page provides verified technical context, package mapping, functional pin roles, real-world use cases, and validated alternative options for industrial motor control, HVAC system management, programmable logic controllers, and instrumentation firmware upgrades.

Technical Context

The D12324SVTE25V implements the H8S/2000 32-bit internal architecture with 16-bit external data bus, supporting ROM-enabled and ROM-disabled expansion modes via configurable chip select signals (CS0–CS7). Its flash memory supports ≥100 rewrite cycles with 10-year data retention and 10–200 ms programming time per 128-byte block.

It integrates a 16-bit Timer Pulse Unit (TPU) with input capture/output compare, asynchronous serial communication interface (SCI) with baud rate error ≤±1.73% at 38.4 kbps (φ = 25 MHz), and a 10-bit A/D converter with sample-and-hold. The device uses MD0–MD2 pins to select among seven operating modes, including single-chip and expanded bus configurations.

Key Specifications

Pinout & Package

Package: TFP-120 (Thin Fine-Pitch Plastic QFP, 120-pin, 14 mm × 14 mm, 0.4 mm pitch).

Key Features

Applications

Equivalent & Alternatives

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

Compared with HD64F2329B and H8S/2328B, the D12324SVTE25V delivers optimal balance of memory size, package compactness, and industrial temperature support - making it ideal for space-constrained, cost-sensitive embedded controllers where 256 KB flash suffices and TFP-120 footprint is fixed.

Availability

D12324SVTE25V is available at Aetrix Electronics and suitable for industrial motor control, HVAC system management, and programmable logic controller applications requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant sourcing.

Supply support for D12324SVTE25V 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 IoT markets.

The H8S/2324S group, including D12324SVTE25V, was designed for high-reliability embedded control in industrial equipment - emphasizing field-upgradable flash, deterministic real-time peripherals, and robust operation across extended temperature ranges.

FAQ

What is the maximum operating frequency of the D12324SVTE25V?

The D12324SVTE25V operates at a maximum clock frequency of 25 MHz. This specification is confirmed in the H8S/2329 Group Hardware Manual (Rev.6.00, p.14), where timing characteristics are defined under φ = 25 MHz conditions. The D12324SVTE25V's internal CPU core and peripheral modules - including the TPU, SCI, and A/D converter - are fully characterized and guaranteed to function correctly at this frequency within the specified 3.0 V to 3.6 V supply and –40°C to +85°C temperature range.

Does the D12324SVTE25V include on-chip flash memory, and what are its endurance specifications?

Yes, the D12324SVTE25V integrates 256 KB of on-chip F-ZTAT™ flash memory. Per Renesas documentation (REJ09B0220-0600, Table 22.22, p.977), this flash supports a minimum of 100 write/erase cycles, with 10-year data retention at 25°C and guaranteed operation across the full industrial temperature range. Programming time is 10–200 ms per 128-byte block, and erase time is 50–1000 ms per block - enabling reliable field firmware updates in deployed systems.

Which package type does the D12324SVTE25V use, and is it pin-compatible with other H8S/2324S variants?

The D12324SVTE25V uses the TFP-120 package: a thin fine-pitch plastic QFP with 120 pins, 14 mm × 14 mm body, and 0.4 mm lead pitch. As documented in the Hardware Manual (p.1267), this package is shared across all H8S/2324S variants labeled "TFP-120", including HD6412324S. Pin compatibility is confirmed by identical pin arrangement diagrams and function tables - meaning D12324SVTE25V can replace other TFP-120-packaged H8S/2324S parts without PCB changes.

What peripheral modules are integrated into the D12324SVTE25V?

The D12324SVTE25V integrates a comprehensive set of peripherals: a 16-bit Timer Pulse Unit (TPU) with 8 channels, Serial Communication Interface (SCI), 10-bit Analog-to-Digital Converter (A/D) with sample-and-hold, 8-bit Digital-to-Analog Converter (D/A), Data Transfer Controller (DTC), DMA Controller (DMAC), Watchdog Timer (WDT), and Bus Controller. These are detailed in the Hardware Manual Preface (p.v) and Section 1.1, confirming their presence and functional scope in the D12324SVTE25V silicon implementation.

Is the D12324SVTE25V qualified for automotive applications?

No, the D12324SVTE25V is not qualified for automotive applications. Renesas explicitly states in its General Precautions (p.vii) that products not designated as "suitable for automobile applications" - including all H8S/2324S variants - are intended for Standard-grade use only (e.g., industrial equipment, office machines, test instruments). The D12324SVTE25V carries no AEC-Q100 qualification, and its datasheet specifies only –40°C to +85°C operation, falling short of automotive Grade 2 (–40°C to +105°C) requirements.