MC68332GVAG25 - 25MHz CPU32 MCU 2KRAM TPU QSM | NXP
MPN: MC68332GVAG25 ✗ Akhir HidupMC68332GVAG25 Ringkasan
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.
Alternatif penggantian untuk MC68332GVAG25 — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian MC68332GVAG25 (sama faktor bentuk dan footprint) — berbeda di dalam Package, Program Memory Type, Core, Data Bus Width, Mounting Type.
MC68332GCAG25
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC68332ACAG25
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC68332ACAG16
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
MC68LK332ACAG16
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC68331CAG25
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC68LK332ACEH16
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC68332GVAG25 Rating Maksimal & Karakteristik Listrik
| Core | CPU32 (M683xx) |
| Architecture | 32-bit |
| Maximum Clock Speed | 25 MHz |
| Lebar Bus Data | 16-bit external |
| Address Bus Width | 24-bit |
| Program Memory Type | ROMless |
| Internal RAM | 2 KB |
| Tegangan Pemuat | 4.5 V to 5.5 V |
| I/O Ports | 31 |
| Suhu Kerja | -40C to +105C (industrial, V suffix) |
| Paket | 144-LQFP (20x20 mm) |
| Tipe Mounting | Surface Mount |
| Integrated Peripherals | TPU (Timer Processing Unit), QSM (Queued Serial Module) |
| Debug Interface | BDM (Background Debug Mode) |
| Status RoHS | Compliant |
Konfigurasi Pin MC68332GVAG25
| Pin produk 1 | A0 — Address bus bit 0 |
| Pin produk 2 | A1 — Address bus bit 1 |
| Pin produk 3 | A2 — Address bus bit 2 |
| Pin produk 4 | A3 — Address bus bit 3 |
| Pin produk 5 | A4 — Address bus bit 4 |
| Pin produk 6 | A5 — Address bus bit 5 |
| Pin produk 7 | A6 — Address bus bit 6 |
| Pin produk 8 | A7 — Address bus bit 7 |
| Pin produk 9 | A8 — Address bus bit 8 |
| Pin produk 10 | A9 — Address bus bit 9 |
| Pin produk 11 | A10 — Address bus bit 10 |
| Pin produk 12 | A11 — Address bus bit 11 |
| Pin produk 13 | A12 — Address bus bit 12 |
| Pin produk 14 | A13 — Address bus bit 13 |
| Pin produk 15 | A14 — Address bus bit 14 |
| Pin produk 16 | A15 — Address bus bit 15 |
| Pin produk 17 | A16 — Address bus bit 16 |
| Pin produk 18 | A17 — Address bus bit 17 |
| Pin produk 19 | A18 — Address bus bit 18 |
| Pin produk 20 | A19 — Address bus bit 19 |
| Pin produk 21 | A20 — Address bus bit 20 |
| Pin produk 22 | A21 — Address bus bit 21 |
| Pin produk 23 | A22 — Address bus bit 22 |
| Pin produk 24 | A23 — Address bus bit 23 |
| Pin produk 25 | D0 — Data bus bit 0 |
| Pin produk 26 | D1 — Data bus bit 1 |
| Pin produk 27 | D2 — Data bus bit 2 |
| Pin produk 28 | D3 — Data bus bit 3 |
| Pin produk 29 | D4 — Data bus bit 4 |
| Pin produk 30 | D5 — Data bus bit 5 |
| Pin produk 31 | D6 — Data bus bit 6 |
| Pin produk 32 | D7 — Data bus bit 7 |
| Pin produk 33 | D8 — Data bus bit 8 |
| Pin produk 34 | D9 — Data bus bit 9 |
| Pin produk 35 | D10 — Data bus bit 10 |
| Pin produk 36 | D11 — Data bus bit 11 |
| Pin produk 37 | D12 — Data bus bit 12 |
| Pin produk 38 | D13 — Data bus bit 13 |
| Pin produk 39 | D14 — Data bus bit 14 |
| Pin produk 40 | D15 — Data bus bit 15 |
| Pin produk 41 | VCC — 5V supply |
| Pin produk 42 | VCC — 5V supply |
| Pin produk 43 | VCC — 5V supply |
| Pin produk 44 | GND — Ground |
| Pin produk 45 | GND — Ground |
| Pin produk 46 | GND — Ground |
| Pin produk 47 | RESET — Reset input, active low |
| Pin produk 48 | HALT — Halt input |
| Pin produk 49 | BR |
| Pin produk 50 | BG |
| Pin produk 51 | BGACK |
| Pin produk 52 | IFETCH |
| Pin produk 53 | DS |
| Pin produk 54 | DSACK0 |
| Pin produk 55 | DSACK1 |
| Pin produk 56 | AS |
| Pin produk 57 | R/W |
| Pin produk 58 | SIZ0 |
| Pin produk 59 | SIZ1 |
| Pin produk 60 | CS0 |
| Pin produk 61 | CS1 |
| Pin produk 62 | CS2 |
| Pin produk 63 | CS3 |
| Pin produk 64 | CS4 |
| Pin produk 65 | CS5 |
| Pin produk 66 | CS6 |
| Pin produk 67 | CS7 |
| Pin produk 68 | CS8 |
| Pin produk 69 | CS9 |
| Pin produk 70 | CS10 |
| Pin produk 71 | IRQ1 |
| Pin produk 72 | IRQ2 |
| Pin produk 73 | IRQ3 |
| Pin produk 74 | IRQ4 |
| Pin produk 75 | IRQ5 |
| Pin produk 76 | IRQ6 |
| Pin produk 77 | IRQ7 |
| Pin produk 78 | TCLK |
| Pin produk 79 | TPUCH0 |
| Pin produk 80 | TPUCH1 |
| Pin produk 81 | TPUCH2 |
| Pin produk 82 | TPUCH3 |
| Pin produk 83 | TPUCH4 |
| Pin produk 84 | TPUCH5 |
| Pin produk 85 | TPUCH6 |
| Pin produk 86 | TPUCH7 |
| Pin produk 87 | TPUCH8 |
| Pin produk 88 | TPUCH9 |
| Pin produk 89 | TPUCH10 |
| Pin produk 90 | TPUCH11 |
| Pin produk 91 | TPUCH12 |
| Pin produk 92 | TPUCH13 |
| Pin produk 93 | TPUCH14 |
| Pin produk 94 | TPUCH15 |
| Pin produk 95 | TXD |
| Pin produk 96 | RXD |
| Pin produk 97 | SCK |
| Pin produk 98 | MOSI |
| Pin produk 99 | MISO |
| Pin produk 100 | PCS |
| Pin produk 101 | DATA0 |
| Pin produk 102 | DATA1 |
| Pin produk 103 | DATA2 |
| Pin produk 104 | DATA3 |
| Pin produk 105 | PORTE0 |
| Pin produk 106 | PORTE1 |
| Pin produk 107 | PORTE2 |
| Pin produk 108 | PORTE3 |
| Pin produk 109 | PORTE4 |
| Pin produk 110 | PORTE5 |
| Pin produk 111 | PORTE6 |
| Pin produk 112 | PORTE7 |
| Pin produk 113 | PORTF0 |
| Pin produk 114 | PORTF1 |
| Pin produk 115 | PORTF2 |
| Pin produk 116 | PORTF3 |
| Pin produk 117 | PORTF4 |
| Pin produk 118 | PORTF5 |
| Pin produk 119 | PORTF6 |
| Pin produk 120 | PORTF7 |
| Pin produk 121 | DSCLK |
| Pin produk 122 | DSDI |
| Pin produk 123 | DSO |
| Pin produk 124 | BKPT |
| Pin produk 125 | IFETCH |
| Pin produk 126 | IPIPE |
| Pin produk 127 | FREEZE |
| Pin produk 128 | MTMOD0 |
| Pin produk 129 | MTMOD1 |
| Pin produk 130 | XTAL |
| Pin produk 131 | EXTAL |
| Pin produk 132 | VCC — 5V supply |
| Pin produk 133 | VCC — 5V supply |
| Pin produk 134 | GND — Ground |
| Pin produk 135 | GND — Ground |
| Pin produk 136 | PORTA0 |
| Pin produk 137 | PORTA1 |
| Pin produk 138 | PORTA2 |
| Pin produk 139 | PORTA3 |
| Pin produk 140 | PORTA4 |
| Pin produk 141 | PORTA5 |
| Pin produk 142 | PORTA6 |
| Pin produk 143 | PORTA7 |
| Pin produk 144 | PORTA8 |
Aplikasi Umum
MC68332GVAG25 cocok untuk 6 aplikasis: 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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
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.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk MC68332GVAG25 — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | 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 |
Diferensiator Kunci
- Higher 25 MHz clock vs. 16 MHz low-power MC68LK332 variants (vsMC68LK332ACEH16)
- Industrial temperature grade (-40C to +105C) (vsMC68332GCAG25)
- Dedicated TPU vs. simple GPT on MC68331 (vsMC68331CAG25)
Catatan Desain
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.
Informasi Konformitas
RoHS compliant per DigiKey product page. AEC-Q100 qualification not applicable for non-automotive part. Conflict minerals compliance per NXP corporate policy.
