MC68332GVAG25 - 25MHz CPU32 MCU 2KRAM TPU QSM | NXP
Référence : MC68332GVAG25 ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $28.5 | $28,50 |
| 10 | $25.62 | $256,20 |
| 100 | $22.45 | $2 245,00 |
| 500 | $19.95 | $9 975,00 |
| 1 000 | $17.8 | $17 800,00 |
MC68332GVAG25 Présentation
A microcontroller (MCU) is a single-chip computer containing a processor core, memory, and programmable input/output peripherals integrated on one integrated circuit. The M683xx family belongs to the broader category of 32-bit embedded microcontrollers, descendants of the Motorola 68000 architecture that evolved into the Freescale (now NXP) ColdFire and Power Architecture lines. Within the embedded hierarchy, MCUs sit above digital signal processors in compute capability but below microprocessors in raw performance, optimized for real-time deterministic control tasks where reliability and interrupt latency dominate over throughput.
Key features include the dedicated Timer Processing Unit that offloads complex timing operations from the CPU, the Queued Serial Module providing SPI and SCI/UART serial communication, two Kbytes of dual-ported system RAM for shared CPU/peripheral access, and the CPU32 instruction set extending the 68000 with enhanced addressing modes. The intermodule bus (IMB) connects these blocks at high bandwidth, enabling deterministic peripheral-to-CPU data transfers without external glue logic.
The MC68332 architecture uses a 32-bit internal architecture with 16-bit external data bus and 24-bit external address bus, supporting up to 16 Mbytes of linear address space. Operating voltage spans 4.5V to 5.5V with 31 I/O ports and JTAG/BDM background-debug interface. The device is widely used in automotive engine control, industrial automation, and avionics applications where the TPU's hardware timing channels simplify PWM generation and input capture tasks.
Typical applications include automotive engine management, industrial servo control, robotics motion controllers, and embedded networking equipment. Its TPU excels at generating complex PWM waveforms and decoding quadrature encoder signals without burdening the main CPU.
When designing with this part, consider the 5V supply requirement, ensure external memory is correctly mapped into the linear address space, and use the BDM port for non-intrusive firmware development. The ROMless configuration requires external boot memory, typically a parallel EPROM/Flash connected through the IMB.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Alternatives de remplacement direct pour MC68332GVAG25 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MC68332GVAG25 (même facteur de forme et même empreinte) — différant par Package, Program Memory Type, Core, Data Bus Width, Mounting Type.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MC68332GCAG25
✅ Remplacement direct✓ En stock
$7.1 / unité
Voir la fiche technique →MC68332ACAG25
✅ Remplacement direct✓ En stock
$38.75 / unité
Voir la fiche technique →MC68332ACAG16
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
MC68LK332ACAG16
✅ Remplacement direct✓ En stock
$19.75 / unité
Voir la fiche technique →MC68331CAG25
✅ Remplacement direct✓ En stock
$14.5 / unité
Voir la fiche technique →MC68LK332ACEH16
✅ Remplacement direct✓ En stock
Contactez-nous pour le prix
Voir la fiche technique →MC68332GVAG25 Valeurs maximales et caractéristiques électriques
| Core | CPU32 (M683xx) |
| Architecture | 32-bit |
| Maximum Clock Speed | 25 MHz |
| Largeur du bus de données | 16-bit external |
| Address Bus Width | 24-bit |
| Program Memory Type | ROMless |
| Internal RAM | 2 KB |
| Tension d'alimentation | 4.5 V to 5.5 V |
| I/O Ports | 31 |
| Température de fonctionnement | -40C to +105C (industrial, V suffix) |
| Boîtier | 144-LQFP (20x20 mm) |
| Type de montage | Surface Mount |
| Integrated Peripherals | TPU (Timer Processing Unit), QSM (Queued Serial Module) |
| Debug Interface | BDM (Background Debug Mode) |
| Statut RoHS | Compliant |
Configuration des broches de MC68332GVAG25
| Broche 1 | A0 — Address bus bit 0 |
| Broche 2 | A1 — Address bus bit 1 |
| Broche 3 | A2 — Address bus bit 2 |
| Broche 4 | A3 — Address bus bit 3 |
| Broche 5 | A4 — Address bus bit 4 |
| Broche 6 | A5 — Address bus bit 5 |
| Broche 7 | A6 — Address bus bit 6 |
| Broche 8 | A7 — Address bus bit 7 |
| Broche 9 | A8 — Address bus bit 8 |
| Broche 10 | A9 — Address bus bit 9 |
| Broche 11 | A10 — Address bus bit 10 |
| Broche 12 | A11 — Address bus bit 11 |
| Broche 13 | A12 — Address bus bit 12 |
| Broche 14 | A13 — Address bus bit 13 |
| Broche 15 | A14 — Address bus bit 14 |
| Broche 16 | A15 — Address bus bit 15 |
| Broche 17 | A16 — Address bus bit 16 |
| Broche 18 | A17 — Address bus bit 17 |
| Broche 19 | A18 — Address bus bit 18 |
| Broche 20 | A19 — Address bus bit 19 |
| Broche 21 | A20 — Address bus bit 20 |
| Broche 22 | A21 — Address bus bit 21 |
| Broche 23 | A22 — Address bus bit 22 |
| Broche 24 | A23 — Address bus bit 23 |
| Broche 25 | D0 — Data bus bit 0 |
| Broche 26 | D1 — Data bus bit 1 |
| Broche 27 | D2 — Data bus bit 2 |
| Broche 28 | D3 — Data bus bit 3 |
| Broche 29 | D4 — Data bus bit 4 |
| Broche 30 | D5 — Data bus bit 5 |
| Broche 31 | D6 — Data bus bit 6 |
| Broche 32 | D7 — Data bus bit 7 |
| Broche 33 | D8 — Data bus bit 8 |
| Broche 34 | D9 — Data bus bit 9 |
| Broche 35 | D10 — Data bus bit 10 |
| Broche 36 | D11 — Data bus bit 11 |
| Broche 37 | D12 — Data bus bit 12 |
| Broche 38 | D13 — Data bus bit 13 |
| Broche 39 | D14 — Data bus bit 14 |
| Broche 40 | D15 — Data bus bit 15 |
| Broche 41 | VCC — 5V supply |
| Broche 42 | VCC — 5V supply |
| Broche 43 | VCC — 5V supply |
| Broche 44 | GND — Ground |
| Broche 45 | GND — Ground |
| Broche 46 | GND — Ground |
| Broche 47 | RESET — Reset input, active low |
| Broche 48 | HALT — Halt input |
| Broche 49 | BR |
| Broche 50 | BG |
| Broche 51 | BGACK |
| Broche 52 | IFETCH |
| Broche 53 | DS |
| Broche 54 | DSACK0 |
| Broche 55 | DSACK1 |
| Broche 56 | AS |
| Broche 57 | R/W |
| Broche 58 | SIZ0 |
| Broche 59 | SIZ1 |
| Broche 60 | CS0 |
| Broche 61 | CS1 |
| Broche 62 | CS2 |
| Broche 63 | CS3 |
| Broche 64 | CS4 |
| Broche 65 | CS5 |
| Broche 66 | CS6 |
| Broche 67 | CS7 |
| Broche 68 | CS8 |
| Broche 69 | CS9 |
| Broche 70 | CS10 |
| Broche 71 | IRQ1 |
| Broche 72 | IRQ2 |
| Broche 73 | IRQ3 |
| Broche 74 | IRQ4 |
| Broche 75 | IRQ5 |
| Broche 76 | IRQ6 |
| Broche 77 | IRQ7 |
| Broche 78 | TCLK |
| Broche 79 | TPUCH0 |
| Broche 80 | TPUCH1 |
| Broche 81 | TPUCH2 |
| Broche 82 | TPUCH3 |
| Broche 83 | TPUCH4 |
| Broche 84 | TPUCH5 |
| Broche 85 | TPUCH6 |
| Broche 86 | TPUCH7 |
| Broche 87 | TPUCH8 |
| Broche 88 | TPUCH9 |
| Broche 89 | TPUCH10 |
| Broche 90 | TPUCH11 |
| Broche 91 | TPUCH12 |
| Broche 92 | TPUCH13 |
| Broche 93 | TPUCH14 |
| Broche 94 | TPUCH15 |
| Broche 95 | TXD |
| Broche 96 | RXD |
| Broche 97 | SCK |
| Broche 98 | MOSI |
| Broche 99 | MISO |
| Broche 100 | PCS |
| Broche 101 | DATA0 |
| Broche 102 | DATA1 |
| Broche 103 | DATA2 |
| Broche 104 | DATA3 |
| Broche 105 | PORTE0 |
| Broche 106 | PORTE1 |
| Broche 107 | PORTE2 |
| Broche 108 | PORTE3 |
| Broche 109 | PORTE4 |
| Broche 110 | PORTE5 |
| Broche 111 | PORTE6 |
| Broche 112 | PORTE7 |
| Broche 113 | PORTF0 |
| Broche 114 | PORTF1 |
| Broche 115 | PORTF2 |
| Broche 116 | PORTF3 |
| Broche 117 | PORTF4 |
| Broche 118 | PORTF5 |
| Broche 119 | PORTF6 |
| Broche 120 | PORTF7 |
| Broche 121 | DSCLK |
| Broche 122 | DSDI |
| Broche 123 | DSO |
| Broche 124 | BKPT |
| Broche 125 | IFETCH |
| Broche 126 | IPIPE |
| Broche 127 | FREEZE |
| Broche 128 | MTMOD0 |
| Broche 129 | MTMOD1 |
| Broche 130 | XTAL |
| Broche 131 | EXTAL |
| Broche 132 | VCC — 5V supply |
| Broche 133 | VCC — 5V supply |
| Broche 134 | GND — Ground |
| Broche 135 | GND — Ground |
| Broche 136 | PORTA0 |
| Broche 137 | PORTA1 |
| Broche 138 | PORTA2 |
| Broche 139 | PORTA3 |
| Broche 140 | PORTA4 |
| Broche 141 | PORTA5 |
| Broche 142 | PORTA6 |
| Broche 143 | PORTA7 |
| Broche 144 | PORTA8 |
Applications typiques
MC68332GVAG25 convient pour 6 applications: Automotive Engine Management, Industrial Servo Motor Control, Robotics Motion Controller, Avionics Flight Control Systems, Industrial Networking Equipment, Test and Measurement Instrumentation.
Automotive Engine Management
The MC68332GVAG25's 25 MHz CPU32 core, 2 KB of dual-ported RAM, and dedicated Timer Processing Unit make it well-suited for automotive engine management ECUs. Its TPU offloads critical tasks like crank/cam tooth decoding, fuel injection PWM generation, and idle speed control from the CPU, allowing the CPU32 core to execute spark/fuel algorithms in real time. The 16-bit external data bus and 24-bit address space provide sufficient bandwidth for sensor sampling up to 16 Mbytes of external Flash/ROM for calibration tables. Operates from a 5V supply compatible with 12V automotive rails after regulation, and the industrial -40C to +105C temperature grade handles under-hood thermal stress. Engineers have used the MC68332 in production engine ECUs since the early 1990s.
Recommandé
Industrial Servo Motor Control
The MC68332GVAG25's TPU generates multi-channel PWM waveforms required for three-phase servo drives, with hardware-assisted commutation timing for brushless DC motors. Its 2 KB of shared RAM supports real-time current/voltage feedback loops at sub-millisecond cycle times without CPU saturation. The BDM debug interface allows non-intrusive tuning of PID gains during commissioning, while the 16-bit data bus interfaces directly to analog position sensors through external ADC logic. The 5V supply requirement is easily met from 24V industrial bus rails via an LM7805 or switching regulator. The 144-LQFP footprint provides adequate thermal dissipation at the 25 MHz operating point.
Recommandé
Robotics Motion Controller
The MC68332GVAG25 integrates the CPU32 core with the TPU's quadrature decoder mode, enabling direct connection to incremental encoders on robotic joints without external counters. The QSM provides SPI links to multi-axis driver boards while the 24-bit address bus maps up to 16 Mbytes of external Flash for motion profile libraries. At 25 MHz, the CPU32 executes six-axis inverse kinematics at the 1 ms control loop cadence required by most industrial robots. The 144-LQFP package supports compact PCB designs. The -40C to +105C grade handles harsh robotic cell environments.
Recommandé
Avionics Flight Control Systems
The MC68332GVAG25 has a long heritage in certified avionics systems where deterministic interrupt response is non-negotiable. The CPU32 core provides predictable execution timing, the TPU handles actuator PWM, and the BDM port supports flight-line firmware updates. With 2 KB of dual-ported RAM and external ROM up to 16 Mbytes, it implements DO-178 certifiable flight control loops. The 5V single-supply requirement simplifies power architecture. Operating temperature range -40C to +105C covers avionics bay environments, and the mature toolchain eases certification.
Recommandé
Industrial Networking Equipment
The MC68332GVAG25's QSM module implements SCI/UART and SPI for connecting to industrial Ethernet controllers or fieldbus bridges (PROFIBUS, CAN with external transceiver). The CPU32 core at 25 MHz runs TCP/IP or proprietary fieldbus stacks, while the 16-bit data bus allows fast DMA transfers to/from external packet memory. The 144-LQFP package fits in standard 19-inch rack-mount networking hardware, and the 5V supply integrates with telecom-grade -48V input through intermediate regulators.
Recommandé
Test and Measurement Instrumentation
The MC68332GVAG25 powers bench-top instruments such as oscilloscopes, logic analyzers, and arbitrary waveform generators where its TPU generates precision timing triggers and the CPU32 core processes measurement data. The 24-bit address bus interfaces to large waveform memory buffers, and the QSM provides RS-232/RS-485 for instrument control buses (GPIB bridges). The 25 MHz clock supports real-time FFT and statistics calculations. The -40C to +105C grade accommodates laboratory environments and field-portable instruments.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MC68332GVAG25 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MC68332GCAG25 | MC68332ACAG25 | MC68332ACAG16 | MC68LK332ACAG16 | MC68331CAG25 | MC68LK332ACEH16 |
|---|---|---|---|---|---|---|---|
| Package | 144-LQFP (20x20) | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same |
| Brand | NXP Semiconductors | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same | NXP Semiconductors - same |
| Clock Speed | 25 MHz | 25 MHz - same | 25 MHz - same | 16 MHz (-36%) | 16 MHz (-36%) | 25 MHz - same | 16 MHz (-36%) |
| Internal RAM | 2 KB | 2 KB - same | 2 KB - same | 2 KB - same | 2 KB - same | 2 KB - same | 2 KB - same |
| Program Memory | ROMless | ROMless - same | ROMless - same | ROMless - same | ROMless - same | ROMless - same | ROMless - same |
| TPU (Timer Processing Unit) | Yes | Yes - same | Yes - same | Yes - same | Yes - same | No (uses GPT) | Yes - same |
| Supply Voltage | 4.5V to 5.5V | 4.5V to 5.5V - same | 4.5V to 5.5V - same | 4.5V to 5.5V - same | 4.5V to 5.5V - same | 4.5V to 5.5V - same | 4.5V to 5.5V - same |
| Architecture | CPU32 (32-bit) | CPU32 - same | CPU32 - same | CPU32 - same | CPU32 - same | CPU32 - same | CPU32 - same |
Principaux différenciateurs
- Higher 25 MHz clock vs. 16 MHz low-power MC68LK332 variants (vs MC68LK332ACEH16)
- Industrial temperature grade (-40C to +105C) (vs MC68332GCAG25)
- Dedicated TPU vs. simple GPT on MC68331 (vs MC68331CAG25)
Notes de conception
Estimated: the MC68332GVAG25 draws approximately 100-200 mA at 25 MHz with all peripherals active, requiring a 5V regulator capable of delivering at least 250 mA. Decouple each VCC pin with a 100 nF ceramic capacitor placed within 5 mm of the package, plus a 10 uF bulk tantalum on the main supply. The 5V rail noise must be less than 50 mVpp to prevent PLL jitter on the internal clock synthesizer.
Route the 16-bit data bus with matched trace lengths within 25 mm to prevent skew on DS, AS, and DSACK timing. Place the external boot EPROM/Flash on chip select CS0 within 50 mm of the address/data pins. Use a 4-layer PCB with a solid ground plane under the 144-LQFP footprint to manage EMI from the 25 MHz system clock.
Do not exceed the 25 MHz maximum clock specification. The ROMless configuration requires a valid boot memory at reset address $000000; missing boot memory causes the BDM to show a double bus fault. Ensure proper reset supervisor with at least 100 ms hold time after VCC reaches 4.75V to allow the internal PLL to stabilize before the CPU32 begins execution.
Estimated: at 25 MHz and full peripheral activity, the 144-LQFP package dissipates approximately 0.5-1W. The thermal resistance theta_JA of approximately 40 C/W on a 4-layer PCB yields a junction temperature rise of 40 C above ambient. For industrial grade (-40C to +105C), ensure ambient stays below 65C under maximum loading, or provide airflow for proper thermal margin.
Informations de conformité
RoHS compliant per DigiKey product page. AEC-Q100 qualification not applicable for non-automotive part. Conflict minerals compliance per NXP corporate policy.
