MC68332GVAG25 - 25MHz CPU32 MCU 2KRAM TPU QSM | NXP
N.º da peça: MC68332GVAG25 ✗ Fim de vida| Qtd. | Preço unitário | 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 Visão geral
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.
Alternativas drop-in para MC68332GVAG25 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com MC68332GVAG25 (mesmo formato e footprint) — diferindo em Package, Program Memory Type, Core, Data Bus Width, Mounting Type.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC68332GCAG25
✅ Drop-In✓ Em estoque
$7.1 / unidade
Ver ficha técnica →MC68332ACAG25
✅ Drop-In✓ Em estoque
$38.75 / unidade
Ver ficha técnica →MC68332ACAG16
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC68LK332ACAG16
✅ Drop-In✓ Em estoque
$19.75 / unidade
Ver ficha técnica →MC68331CAG25
✅ Drop-In✓ Em estoque
$14.5 / unidade
Ver ficha técnica →MC68LK332ACEH16
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →MC68332GVAG25 Classificações máximas e características elétricas
| Core | CPU32 (M683xx) |
| Architecture | 32-bit |
| Maximum Clock Speed | 25 MHz |
| Largura do barramento de dados | 16-bit external |
| Address Bus Width | 24-bit |
| Program Memory Type | ROMless |
| Internal RAM | 2 KB |
| Tensão de alimentação | 4.5 V to 5.5 V |
| I/O Ports | 31 |
| Temperatura de operação | -40C to +105C (industrial, V suffix) |
| Encapsulamento | 144-LQFP (20x20 mm) |
| Tipo de montagem | Surface Mount |
| Integrated Peripherals | TPU (Timer Processing Unit), QSM (Queued Serial Module) |
| Debug Interface | BDM (Background Debug Mode) |
| Status RoHS | Compliant |
Configuração de pinos do MC68332GVAG25
| Pino 1 | A0 — Address bus bit 0 |
| Pino 2 | A1 — Address bus bit 1 |
| Pino 3 | A2 — Address bus bit 2 |
| Pino 4 | A3 — Address bus bit 3 |
| Pino 5 | A4 — Address bus bit 4 |
| Pino 6 | A5 — Address bus bit 5 |
| Pino 7 | A6 — Address bus bit 6 |
| Pino 8 | A7 — Address bus bit 7 |
| Pino 9 | A8 — Address bus bit 8 |
| Pino 10 | A9 — Address bus bit 9 |
| Pino 11 | A10 — Address bus bit 10 |
| Pino 12 | A11 — Address bus bit 11 |
| Pino 13 | A12 — Address bus bit 12 |
| Pino 14 | A13 — Address bus bit 13 |
| Pino 15 | A14 — Address bus bit 14 |
| Pino 16 | A15 — Address bus bit 15 |
| Pino 17 | A16 — Address bus bit 16 |
| Pino 18 | A17 — Address bus bit 17 |
| Pino 19 | A18 — Address bus bit 18 |
| Pino 20 | A19 — Address bus bit 19 |
| Pino 21 | A20 — Address bus bit 20 |
| Pino 22 | A21 — Address bus bit 21 |
| Pino 23 | A22 — Address bus bit 22 |
| Pino 24 | A23 — Address bus bit 23 |
| Pino 25 | D0 — Data bus bit 0 |
| Pino 26 | D1 — Data bus bit 1 |
| Pino 27 | D2 — Data bus bit 2 |
| Pino 28 | D3 — Data bus bit 3 |
| Pino 29 | D4 — Data bus bit 4 |
| Pino 30 | D5 — Data bus bit 5 |
| Pino 31 | D6 — Data bus bit 6 |
| Pino 32 | D7 — Data bus bit 7 |
| Pino 33 | D8 — Data bus bit 8 |
| Pino 34 | D9 — Data bus bit 9 |
| Pino 35 | D10 — Data bus bit 10 |
| Pino 36 | D11 — Data bus bit 11 |
| Pino 37 | D12 — Data bus bit 12 |
| Pino 38 | D13 — Data bus bit 13 |
| Pino 39 | D14 — Data bus bit 14 |
| Pino 40 | D15 — Data bus bit 15 |
| Pino 41 | VCC — 5V supply |
| Pino 42 | VCC — 5V supply |
| Pino 43 | VCC — 5V supply |
| Pino 44 | GND — Ground |
| Pino 45 | GND — Ground |
| Pino 46 | GND — Ground |
| Pino 47 | RESET — Reset input, active low |
| Pino 48 | HALT — Halt input |
| Pino 49 | BR |
| Pino 50 | BG |
| Pino 51 | BGACK |
| Pino 52 | IFETCH |
| Pino 53 | DS |
| Pino 54 | DSACK0 |
| Pino 55 | DSACK1 |
| Pino 56 | AS |
| Pino 57 | R/W |
| Pino 58 | SIZ0 |
| Pino 59 | SIZ1 |
| Pino 60 | CS0 |
| Pino 61 | CS1 |
| Pino 62 | CS2 |
| Pino 63 | CS3 |
| Pino 64 | CS4 |
| Pino 65 | CS5 |
| Pino 66 | CS6 |
| Pino 67 | CS7 |
| Pino 68 | CS8 |
| Pino 69 | CS9 |
| Pino 70 | CS10 |
| Pino 71 | IRQ1 |
| Pino 72 | IRQ2 |
| Pino 73 | IRQ3 |
| Pino 74 | IRQ4 |
| Pino 75 | IRQ5 |
| Pino 76 | IRQ6 |
| Pino 77 | IRQ7 |
| Pino 78 | TCLK |
| Pino 79 | TPUCH0 |
| Pino 80 | TPUCH1 |
| Pino 81 | TPUCH2 |
| Pino 82 | TPUCH3 |
| Pino 83 | TPUCH4 |
| Pino 84 | TPUCH5 |
| Pino 85 | TPUCH6 |
| Pino 86 | TPUCH7 |
| Pino 87 | TPUCH8 |
| Pino 88 | TPUCH9 |
| Pino 89 | TPUCH10 |
| Pino 90 | TPUCH11 |
| Pino 91 | TPUCH12 |
| Pino 92 | TPUCH13 |
| Pino 93 | TPUCH14 |
| Pino 94 | TPUCH15 |
| Pino 95 | TXD |
| Pino 96 | RXD |
| Pino 97 | SCK |
| Pino 98 | MOSI |
| Pino 99 | MISO |
| Pino 100 | PCS |
| Pino 101 | DATA0 |
| Pino 102 | DATA1 |
| Pino 103 | DATA2 |
| Pino 104 | DATA3 |
| Pino 105 | PORTE0 |
| Pino 106 | PORTE1 |
| Pino 107 | PORTE2 |
| Pino 108 | PORTE3 |
| Pino 109 | PORTE4 |
| Pino 110 | PORTE5 |
| Pino 111 | PORTE6 |
| Pino 112 | PORTE7 |
| Pino 113 | PORTF0 |
| Pino 114 | PORTF1 |
| Pino 115 | PORTF2 |
| Pino 116 | PORTF3 |
| Pino 117 | PORTF4 |
| Pino 118 | PORTF5 |
| Pino 119 | PORTF6 |
| Pino 120 | PORTF7 |
| Pino 121 | DSCLK |
| Pino 122 | DSDI |
| Pino 123 | DSO |
| Pino 124 | BKPT |
| Pino 125 | IFETCH |
| Pino 126 | IPIPE |
| Pino 127 | FREEZE |
| Pino 128 | MTMOD0 |
| Pino 129 | MTMOD1 |
| Pino 130 | XTAL |
| Pino 131 | EXTAL |
| Pino 132 | VCC — 5V supply |
| Pino 133 | VCC — 5V supply |
| Pino 134 | GND — Ground |
| Pino 135 | GND — Ground |
| Pino 136 | PORTA0 |
| Pino 137 | PORTA1 |
| Pino 138 | PORTA2 |
| Pino 139 | PORTA3 |
| Pino 140 | PORTA4 |
| Pino 141 | PORTA5 |
| Pino 142 | PORTA6 |
| Pino 143 | PORTA7 |
| Pino 144 | PORTA8 |
Aplicações típicas
MC68332GVAG25 é adequado para 6 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MC68332GVAG25 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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 |
Principais diferenciais
- 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)
Notas de projeto
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.
Informações de conformidade
RoHS compliant per DigiKey product page. AEC-Q100 qualification not applicable for non-automotive part. Conflict minerals compliance per NXP corporate policy.
