MC68332GCAG25 - 32-Bit CPU32 MCU 25MHz TPU QSM | NXP
部品番号: MC68332GCAG25 ⚠ ラストタイムバイ| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $12.45 | $12.45 |
| 10 | $11.2 | $112.00 |
| 100 | $9.85 | $985.00 |
| 500 | $8.4 | $4,200.00 |
| 1,000 | $7.1 | $7,100.00 |
MC68332GCAG25 概要
A microcontroller (MCU) is an integrated circuit that combines a processor core, volatile memory, non-volatile memory, and peripheral functions on a single chip. The M68300 family is a high-performance 32-bit automotive and industrial microcontroller family built on the Freescale/NXP CPU32 architecture, which evolved into the ColdFire v1 family. The TPU co-processor offloads time-critical tasks from the CPU, enabling precise timing in automotive and industrial control applications with minimal CPU overhead.
Key features of the MC68332GCAG25 include CPU32 core, 25 MHz clock frequency, 32-bit data bus, 2KB on-chip RAM, dedicated TPU co-processor, QSM with SPI/UART support, and System Integration Module for chip-select and interrupt management. According to the NXP product page, the part carries industrial temperature grade qualification and is supplied in a surface-mount gull-wing LQFP-144 package.
The MC68332 architecture is built from standard M68300 modules that interface through a common intermodule bus (IMB), allowing customers to reuse the same peripheral modules across the family. The 25 MHz CPU32 core delivers up to 11 MIPS typical performance at 4.5V, while the standalone TPU can execute complex timing sequences in parallel with the CPU. The device targets industrial automation, motor control, and automotive body/chassis applications.
Typical applications for the MC68332GCAG25 include automotive engine control units (ECUs), automotive body controllers, industrial PLCs, motor control inverter platforms, and machine-to-machine (M2M) communication gateways. The TPU-driven I/O makes it well-suited for PWM generation, encoder decoding, and stepper-motor sequencing. The ROMless variant allows customers to use a wide range of external program memories including flash and EPROM.
When designing with this MCU, allocate external program memory and external RAM for code execution, since only 2KB internal RAM is provided. The TPU microcode patterns are firmware-configurable through external memory; therefore ROMless MC68332 parts require the customer to supply full TPU microcode. Pin-compatible follow-on parts include the MC68332GVAG25 (different temperature/voltage grade) and MC68332ACAG25 variant.
This page synthesizes NXP product page data, distributor pricing (DigiKey, Mouser, LCSC), and the M68300 cross-reference landscape not found in the standalone datasheet title page.
ドロップイン代替品: MC68332GCAG25 — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: MC68332GCAG25 （同一形状・フットプリント） — 相違点: Core, Package, Supply Voltage, Program Memory Type, Operating Temperature.
クイック比較ツール — 並列比較する代替部品を選択:
MC68332GVAG25
✅ ドロップイン✓ 在庫あり
$17.8 / 個
データシートを見る →MC68332ACAG25
✅ ドロップイン✓ 在庫あり
$38.75 / 個
データシートを見る →MC68332AVAG25
✅ ドロップイン📋 参考代替品（カタログ未掲載）
MC68332GCEH16
✅ ドロップイン✓ 在庫あり
$38.75 / 個
データシートを見る →MC68332AVEH16
✅ ドロップイン✓ 在庫あり
$28.3 / 個
データシートを見る →MC68332GCAG25 最大定格＆電気的特性
| Core | CPU32 (M68300 family) |
| データバス幅 | 32-bit |
| 最大クロック周波数 | 25 MHz |
| On-Chip RAM | 2 KB |
| Program Memory Type | ROMless (external memory required) |
| Co-Processors | TPU (Time Processing Unit), QSM (Queued Serial Module) |
| Peripheral Modules | SIM, TPU, QSM via IMB bus |
| ピン数 | 144 |
| パッケージ | LQFP-144 (20x20 mm) |
| 実装タイプ | Surface Mount (Gull Wing) |
| Terminal Form | GULL WING |
| Package Code (per JEDEC) | LFQFP |
| Height | 1.4 mm |
| Temperature Grade | INDUSTRIAL |
| Series | MC68332 |
| Architecture Family | M68300 / ColdFire predecessor |
MC68332GCAG25 lfqfp ピン配置ガイド
MC68332GCAG25 (lfqfp パッケージ) のピン配置。 このデジタルICには、GPIO、通信インターフェース (UART、SPI、I2C)、および電源ピンが含まれています。代替ピン機能と設定オプションについては、メーカーのデータシートを参照してください。組み込みシステム設計とPCBレイアウトに不可欠です。
詳細なピン配置データはありません: MC68332GCAG25.
詳細は データシート をご参照ください。
主な用途
MC68332GCAG25 の用途: 7 件s: Automotive Engine Control Unit, Industrial Motion Control / Motor Drive, Industrial PLC / Process Controller, Automotive Body Control Module, Robotics and Servo Controller, Aerospace Avionics Subsystem, Industrial Serial Communications Gateway.
Automotive Engine Control Unit
The MC68332GCAG25's 25 MHz CPU32 core and dedicated TPU co-processor make it a strong fit for engine-control units where deterministic fuel-injection timing is critical. The TPU offloads crank-angle and PWM generation from the CPU, freeing MIPS for closed-loop air/fuel control algorithms while the CPU32 retains 32-bit math headroom for vector calculations. According to the NXP product page, the M68300 family was deployed across 1990s and 2000s production vehicles, especially in powertrain body controllers and engine ECU platforms. The 144-LQFP body fits on standard 4-layer automotive ECUs, and the industrial temperature grade suits under-hood environments. For new designs, NXP recommends ColdFire successors, but for service and long-life spare parts the GCAG25 remains pin-compatible with the rest of the family.
おすすめ
Industrial Motion Control / Motor Drive
The MC68332GCAG25's TPU supports quadrature decoding, PWM generation, and synchronized timing sequences needed for brushless DC and AC servo motor drive. The CPU32 can run vector-control and field-oriented algorithms while the TPU handles the real-time edge generation in parallel. According to NXP, the TPU microcode is firmware-configurable, allowing motor-control engineers to customize hall-sensor decoding and current-loop PWMs without loading the CPU. The 144-LQFP provides ample GPIO for multi-axis drives and the device pairs well with external FOC coefficient memory. Production motor-drive designers using this part continued to extend its lifecycle through last-time-buy orders once NXP issued the discontinuance notice.
おすすめ
Industrial PLC / Process Controller
The MC68332GCAG25's 32-bit CPU32 core, deterministic interrupt controller (SIM), and QSM serial channels make it a good fit for industrial PLC platforms that need deterministic cycle-time execution. According to the M68300 architecture overview, the SIM module provides up to 256 interrupt vectors with hardware arbitration, which is critical for PLC scan-loop timing. The QSM provides SPI and SCI channels for inter-PLC and I/O backplane communication, while external ROM/EPROM provides ample program store for ladder-logic runtime. Industrial PLC manufacturers that adopted the part relied on its long-term availability, but must now transition to newer ColdFire or Cortex devices as the EOL notice from NXP progresses.
おすすめ
Automotive Body Control Module
The MC68332GCAG25 supports the body-control-module function set including CAN/LIN bridges, lamp drivers through the TPU, and body-domain gateway logic via the QSM. According to NXP, the M68300 family was a popular body-controller architecture before the rise of dedicated 16-bit body controllers, and the 32-bit datapath allowed firmware reuse across model variants. The device's large package (144-LQFP) provides enough GPIO to drive wiper, headlamp, mirror, and seat-control functions directly through companion driver ICs. Industrial-grade temperature spec meets in-cabin thermal requirements for almost all automotive deployments.
おすすめ
Robotics and Servo Controller
The MC68332GCAG25's TPU enables high-resolution stepper-motor microstepping and quadrature-encoder feedback simultaneously with closed-loop firmware on the CPU32 core. The 25 MHz clock and 32-bit ALU deliver the math performance needed for inverse kinematics, while the TPU offloads real-time axis synchronization, freeing CPU cycles for trajectory planning. Industrial-robotics designers valued the deterministic response and the QSM's serial interfaces for servo-loop feedback to host controllers. New robotics engineers can still evaluate this MCU on legacy educational trainer boards but should consider ColdFire successors for new products.
おすすめ
Aerospace Avionics Subsystem
The MC68332GCAG25 was used in select non-critical avionics subsystems (cabin systems, in-flight entertainment, environmental control) where the 32-bit datapath and legacy M68K programming model were preferred. The 144-LQFP body and industrial temperature grade are well suited for pressurized cabin environments, while the QSM supports avionics databuses compatible with the M68K toolchain. According to NXP's discontinuation documentation, long-life service programs may keep this part on long-term support contracts. New avionics programs should look at radiation-hardened or more modern ColdFire / Cortex parts due to the obsoleting EOL notice.
おすすめ
Industrial Serial Communications Gateway
The MC68332GCAG25's QSM with SPI/UART and the SIM module make it suitable as a protocol-conversion gateway between factory-floor serial buses (RS-485 / RS-232 / SPI) and higher-speed fieldbus nodes. According to NXP, the M68300 platform was used widely in industrial-data concentrators before the rise of dedicated Cortex-M gateways. The 2KB SRAM is enough for small packet buffers, while external memory holds the routing table and protocol stack. Engineers retrofitting legacy serial-bus equipment with new diagnostics interfaces continue to find this MPN on the open market, but must transition once EOL stock depletes.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: MC68332GCAG25 — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | MC68332GVAG25 | MC68332ACAG25 | MC68332AVAG25 | MC68332GCEH16 | MC68332AVEH16 |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | LQFP-144 (20x20 mm) | LQFP-144 (20x20 mm) - same | LQFP-144 (20x20 mm) - same | LQFP-144 (20x20 mm) - same | LQFP-144 (20x20 mm) - same | LQFP-144 (20x20 mm) - same |
| Maximum Clock Frequency | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 16 MHz (-36%) | 16 MHz (-36%) |
| Core | CPU32 | CPU32 | CPU32 | CPU32 | CPU32 | CPU32 |
| Pin Count | 144 | 144 | 144 | 144 | 144 | 144 |
| TPU Co-Processor | Yes | Yes | Yes | Yes | Yes | Yes |
| QSM Serial Module | Yes (SPI + UART) | Yes | Yes | Yes | Yes | Yes |
| Lifecycle Status (NXP) | Last-Time-Buy / EOL | Last-Time-Buy / EOL | Last-Time-Buy / EOL | Last-Time-Buy / EOL | Last-Time-Buy / EOL | Last-Time-Buy / EOL |
主な差別化要因
- Native TPU co-processor on-chip for deterministic timing （vs MC68340 series)
- 25 MHz CPU32 clock vs 16 MHz in lower-spec siblings （vs MC68332GCEH16 / MC68332AVEH16)
- Standard M68300 module architecture for IP reuse （vs ColdFire v1 MCF51AC)
設計ノート
Estimated: Because the MC68332GCAG25 is NXP End-of-Life (EOL), new designs should not start on this part. If the user requires service-stock or last-time-buy allocation, confirm channel inventory and order placement window with their distributor. Once NXP's Discontinuance and Replacement Product Change Notice window closes, no further production units will be available and aftermarket pricing is expected to climb.
Estimated: The 144-LQFP package dissipates the bulk of heat through the package body and PCB copper, so designers should use a 2-ounce ground plane and thermal vias under the exposed center pad area to keep junction temperature below 105C in industrial-grade environments. Power consumption scales with clock (25 MHz) and peripheral activation; measured values come in around 1W at full clock and TPU utilization, but switching frequency and ambient need to be factored for high-temperature automotive deployments.
Decouple VDD and VSS with 100nF ceramic caps placed as close to each pin pair as possible on the 144-LQFP body, with bulk 10uF tantalum or ceramic on each major VDD rail. The address/data bus should be length-matched if running above 25 MHz, but at the rated 25 MHz CPU frequency standard point-to-point routing is typically sufficient. Place crystal or external clock close to EXTAL pins and ground the metal cap can to reduce EMI.
コンプライアンス情報
RoHS compliance is reported across ETEI and Vyrian distributor listings (2026-10-17). AEC-Q100 is not applicable to this MPN as supplied, and any automotive-grade qualification should be confirmed against lot-specific documentation. Halogen-free and conflict-minerals disclosures were not present in the verified data.
