Renesas D12332VFC25V

Overview

D12332VFC25V from Renesas Electronics is an H8S/2339 Group 16-bit single-chip microcomputer featuring a 32-bit internal architecture CPU core, 512 KB on-chip flash memory (F-ZTAT™), 32 KB RAM, and integrated peripherals including dual 16-bit timer pulse units (TPU), watchdog timer (WDT), serial communication interfaces (SCI ×3), A/D converter (16-channel, 10-bit), D/A converter (4-channel), DMA controller, and data transfer controller (DTC). It operates at up to 25 MHz and targets embedded control in industrial automation and motor drive systems.

For engineers reviewing the D12332VFC25V datasheet, D12332VFC25V pinout, D12332VFC25V application, or D12332VFC25V equivalent, key selection criteria include its 144-pin TFP package, 25 MHz max clock frequency, flash endurance (≥100 reprogramming cycles), 10-bit A/D resolution with 16 input channels, and support for expanded bus mode with seven chip select outputs - all critical for real-time deterministic control designs.

Technical Context

The D12332VFC25V implements the H8S/2000 CPU core with 32-bit internal data paths and 24-bit address space, enabling efficient execution of complex control algorithms. It supports multiple operating modes including single-chip, expanded bus, and special modes like ROM write enable and test mode, controlled via dedicated pins (MD0–MD2) and register settings.

Its peripheral integration includes three independent SCI modules supporting asynchronous and clock-synchronous communication, a 16-bit TPU with input capture/output compare and PWM generation, and a 10-bit successive-approximation A/D converter with programmable sample-and-hold timing and external trigger capability (ADTRG pin).

Key Specifications

Pinout & Package

Package: 144-pin TFP (Thin Fine Pitch) plastic QFP, 20 mm × 20 mm, 0.5 mm pitch, lead-free (Pb-free) compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with HD64F2339E, D12332VFC25V offers identical functionality and footprint but with distinct manufacturing traceability; compared with R5F52338ADFP, it delivers lower power and proven reliability in established industrial control systems, though with less computational headroom for advanced algorithms.

Availability

D12332VFC25V is available at Aetrix Electronics and suitable for industrial motor control, PLC I/O modules, factory HMI controllers, and energy metering concentrators requiring stable component supply across extended product lifecycles.

Supply support for D12332VFC25V 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/2339 Group was designed as a high-integration 16-bit MCU platform for deterministic real-time control in cost-sensitive industrial equipment, emphasizing flash reprogrammability, rich timer resources, and flexible bus expansion.

FAQ

What is the maximum operating frequency of the D12332VFC25V?

The D12332VFC25V supports a maximum system clock frequency of 25 MHz, achieved using an external crystal (XTAL/EXTAL) or oscillator input. This frequency governs instruction execution speed, peripheral timing (e.g., SCI baud rate generation), and A/D conversion sampling rate. Operation above 25 MHz is not guaranteed and violates absolute maximum ratings specified in the H8S/2339 hardware manual.

Does the D12332VFC25V include on-chip debug support?

Yes, the D12332VFC25V integrates on-chip debugging capability via the JTAG interface using pins TMS, TDI, TDO, and TCK (P80–P83). This allows full boundary-scan testing, real-time program download, and non-intrusive breakpoint debugging without requiring external emulators - a feature confirmed in the H8S/2339 Group Hardware Manual Rev.4.00.

How many A/D input channels does the D12332VFC25V support, and what is their resolution?

The D12332VFC25V features a 10-bit successive-approximation A/D converter with 16 input channels (AN0–AN15), mapped across port pins P40–P47, P53–P57, and P50–P52. Each conversion completes in 16–20 μs depending on selected sample time, and the module supports external trigger (ADTRG) for synchronized sampling with PWM events.

Is the D12332VFC25V pin-compatible with other H8S/2339 family members?

Yes, the D12332VFC25V shares the identical 144-pin TFP package and pinout with HD64F2339, HD64F2339E, and HD6432338 within the H8S/2339 Group. All variants use the same mechanical footprint, signal assignments, and power/ground pin locations, enabling direct PCB reuse across qualified members of the family.

What is the flash memory endurance specification for the D12332VFC25V?

The D12332VFC25V incorporates F-ZTAT™ flash memory rated for a minimum of 100 erase/write cycles per block, with data retention guaranteed for 10 years under specified operating conditions. This endurance level is documented in Table 22.21 of the H8S/2339 Group Hardware Manual Rev.4.00 and applies to all flash sectors used for program or data storage.