MC68332AVEH16 - 32-Bit 16MHz CPU32 MCU 2K RAM TPU QSM | NXP
MPN: MC68332AVEH16 ✗ Akhir HidupMC68332AVEH16 Ringkasan
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and peripheral interfaces. The MC68332AVEH16 belongs to the Freescale/NXP M683xx (CPU32) family, which descends from the Motorola 68000 architecture and is part of the broader category of embedded 32-bit microcontrollers used in deterministic real-time control. Within the system hierarchy, it sits between 8/16-bit MCUs (e.g., HC08, HC11) and modern ColdFire/ARM Cortex-M devices, offering a stable software base for legacy designs.
Key features include a CPU32 core with 32-bit internal architecture, 16 MHz system clock, 2 KB of on-chip SRAM, ROMless external memory interface, an intelligent Time Processing Unit (TPU) for offloading timing-critical tasks, a Queued Serial Module (QSM) that integrates QSPI and SCI channels, and a 16-channel System Module including a 16-bit timer counter. The 132-pin PQFP package provides ample I/O and is compatible with standard surface-mount manufacturing.
Architecturally, the device is built from standard modules interconnected through a common inter-module bus (IMB). Standardization around the IMB allows the same peripheral IP to be reused across the M683xx family, simplifying firmware portability. The ROMless design enables external program memory up to the full 32-bit address space, supporting large embedded applications.
Typical applications include industrial automation and process control, automotive body and chassis ECUs (legacy), robotics motor control using the TPU, and avionics or military systems that depend on the mature CPU32 toolchain. The 5 V supply and PQFP package also make it well suited to legacy board designs where drop-in compatibility matters.
When designing with this MCU, ensure that the external memory interface timing matches the 16 MHz bus speed and that the TPU microcode is sized for the application's timing channels. Developers should also confirm that modern toolchain support (compiler, debugger, RTOS) is available for the CPU32 architecture before committing to new designs.
This page consolidates distributor pricing, drop-in alternatives in the same PQFP-132 footprint, and practical engineering notes that are not always found in the original manufacturer datasheet.
Alternatif penggantian untuk MC68332AVEH16 — 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 MC68332AVEH16 (sama faktor bentuk dan footprint) — berbeda di dalam Package, Peripherals, Series, Core, Maximum Clock Frequency.
MC68332ACEH16
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC68332GCEH16
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC68LK332ACEH16
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC68LK332GCEH16
✅ Drop-InKontak untuk harga
Lihat Datasheet →MC68332AVEH20
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
MC68332AVEH16 Rating Maksimal & Karakteristik Listrik
| Core | CPU32 (M683xx family) |
| Lebar Bus Data | 32-bit |
| Frekuensi Bawah Maximum | 16 MHz |
| Program Memory Size | ROMless (0 KB internal) |
| Data RAM Size | 2 KB on-chip SRAM |
| Tegangan Pemuat | 5 V |
| Suhu Kerja | -40C to +105C (industrial) |
| Paket | 132-pin PQFP (EH suffix), 24.13 x 24.13 mm |
| Tipe Mounting | Surface Mount |
| Peripherals | TPU (Time Processing Unit), QSM (QSPI + SCI) |
| Inter-Module Bus | IMB (standard M683xx peripheral bus) |
| A/D Converter | None (external QADC required) |
| Series | MC68332 (M683xx modular MCU family) |
Konfigurasi Pin MC68332AVEH16
| Pin produk 1 | VDD — +5 V supply |
| Pin produk 2 | VSS — Ground |
| Pin produk 3 | TCLK — TPU clock input |
| Pin produk 4 | DATA0 — IMB data line 0 |
| Pin produk 5 | DATA1 — IMB data line 1 |
| Pin produk 6 | DATA2 — IMB data line 2 |
| Pin produk 7 | DATA3 — IMB data line 3 |
| Pin produk 8 | ADDR0 — External bus address 0 |
| Pin produk 9 | ADDR1 — External bus address 1 |
| Pin produk 10 | ADDR2 — External bus address 2 |
| Pin produk 11 | ADDR3 — External bus address 3 |
| Pin produk 12 | CS0 — Chip select 0 |
| Pin produk 13 | CS1 — Chip select 1 |
| Pin produk 14 | CS2 — Chip select 2 |
| Pin produk 15 | CS3 — Chip select 3 |
| Pin produk 16 | R/W — Read/Write control |
| Pin produk 17 | OE — Output enable |
| Pin produk 18 | DS — Data strobe |
| Pin produk 19 | AS — Address strobe |
| Pin produk 20 | IRQ1 — Interrupt request 1 |
| Pin produk 21 | IRQ2 — Interrupt request 2 |
| Pin produk 22 | IRQ3 — Interrupt request 3 |
| Pin produk 23 | IRQ4 — Interrupt request 4 |
| Pin produk 24 | IRQ5 — Interrupt request 5 |
| Pin produk 25 | IRQ6 — Interrupt request 6 |
| Pin produk 26 | IRQ7 — Interrupt request 7 |
| Pin produk 27 | TPUCH0 — TPU channel 0 |
| Pin produk 28 | TPUCH1 — TPU channel 1 |
| Pin produk 29 | TPUCH2 — TPU channel 2 |
| Pin produk 30 | TPUCH3 — TPU channel 3 |
| Pin produk 31 | TPUCH4 — TPU channel 4 |
| Pin produk 32 | TPUCH5 — TPU channel 5 |
| Pin produk 33 | TPUCH6 — TPU channel 6 |
| Pin produk 34 | TPUCH7 — TPU channel 7 |
| Pin produk 35 | TPUCH8 — TPU channel 8 |
| Pin produk 36 | TPUCH9 — TPU channel 9 |
| Pin produk 37 | TPUCH10 — TPU channel 10 |
| Pin produk 38 | TPUCH11 — TPU channel 11 |
| Pin produk 39 | TPUCH12 — TPU channel 12 |
| Pin produk 40 | TPUCH13 — TPU channel 13 |
| Pin produk 41 | TPUCH14 — TPU channel 14 |
| Pin produk 42 | TPUCH15 — TPU channel 15 |
| Pin produk 43 | QSM_SCK — QSM QSPI clock |
| Pin produk 44 | QSM_SOUT — QSM QSPI serial out |
| Pin produk 45 | QSM_SIN — QSM QSPI serial in |
| Pin produk 46 | QSM_PCS0 — QSM peripheral chip select 0 |
| Pin produk 47 | QSM_PCS1 — QSM peripheral chip select 1 |
| Pin produk 48 | QSM_PCS2 — QSM peripheral chip select 2 |
| Pin produk 49 | QSM_PCS3 — QSM peripheral chip select 3 |
| Pin produk 50 | TXD — SCI transmit data |
| Pin produk 51 | RXD — SCI receive data |
| Pin produk 52 | RESET — External reset input |
| Pin produk 53 | EXTAL — External crystal input |
| Pin produk 54 | XTAL — Crystal output |
| Pin produk 55 | CLKOUT — System clock output |
| Pin produk 56 | MODCK — Mode clock select |
| Pin produk 57 | BKPT — Breakpoint / halt |
| Pin produk 58 | FREEZE — Freeze output |
| Pin produk 59 | IFETCH — Instruction fetch status |
| Pin produk 60 | IPIPE — Instruction pipe status |
| Pin produk 61 | DSACK0 — Data and size ack 0 |
| Pin produk 62 | DSACK1 — Data and size ack 1 |
| Pin produk 63 | AVEC — Autovector request |
| Pin produk 64 | HALT — Halt request |
| Pin produk 65 | BERR — Bus error |
| Pin produk 66 | BR — Bus request |
| Pin produk 67 | BG — Bus grant |
| Pin produk 68 | BGACK — Bus grant acknowledge |
| Pin produk 69 | FC0 — Function code 0 |
| Pin produk 70 | FC1 — Function code 1 |
| Pin produk 71 | FC2 — Function code 2 |
| Pin produk 72 | SIZ0 — Transfer size 0 |
| Pin produk 73 | SIZ1 — Transfer size 1 |
| Pin produk 74 | TSC — Three-state control |
| Pin produk 75 | ADDR4 — External bus address 4 |
| Pin produk 76 | ADDR5 — External bus address 5 |
| Pin produk 77 | ADDR6 — External bus address 6 |
| Pin produk 78 | ADDR7 — External bus address 7 |
| Pin produk 79 | ADDR8 — External bus address 8 |
| Pin produk 80 | ADDR9 — External bus address 9 |
| Pin produk 81 | ADDR10 — External bus address 10 |
| Pin produk 82 | ADDR11 — External bus address 11 |
| Pin produk 83 | ADDR12 — External bus address 12 |
| Pin produk 84 | ADDR13 — External bus address 13 |
| Pin produk 85 | ADDR14 — External bus address 14 |
| Pin produk 86 | ADDR15 — External bus address 15 |
| Pin produk 87 | ADDR16 — External bus address 16 |
| Pin produk 88 | ADDR17 — External bus address 17 |
| Pin produk 89 | ADDR18 — External bus address 18 |
| Pin produk 90 | ADDR19 — External bus address 19 |
| Pin produk 91 | ADDR20 — External bus address 20 |
| Pin produk 92 | ADDR21 — External bus address 21 |
| Pin produk 93 | ADDR22 — External bus address 22 |
| Pin produk 94 | ADDR23 — External bus address 23 |
| Pin produk 95 | VDDSYN — Synthesizer VDD (PLL) |
| Pin produk 96 | VSSSYN — Synthesizer VSS (PLL) |
| Pin produk 97 | XFC — PLL loop filter cap |
| Pin produk 98 | VDD — +5 V supply |
| Pin produk 99 | VSS — Ground |
| Pin produk 100 | TP15 — TPU channel 15 alt |
| Pin produk 101 | DATA4 — IMB data line 4 |
| Pin produk 102 | DATA5 — IMB data line 5 |
| Pin produk 103 | DATA6 — IMB data line 6 |
| Pin produk 104 | DATA7 — IMB data line 7 |
| Pin produk 105 | DATA8 — IMB data line 8 |
| Pin produk 106 | DATA9 — IMB data line 9 |
| Pin produk 107 | DATA10 — IMB data line 10 |
| Pin produk 108 | DATA11 — IMB data line 11 |
| Pin produk 109 | DATA12 — IMB data line 12 |
| Pin produk 110 | DATA13 — IMB data line 13 |
| Pin produk 111 | DATA14 — IMB data line 14 |
| Pin produk 112 | DATA15 — IMB data line 15 |
| Pin produk 113 | VDD — +5 V supply |
| Pin produk 114 | VSS — Ground |
| Pin produk 115 | GP0 — General purpose I/O 0 |
| Pin produk 116 | GP1 — General purpose I/O 1 |
| Pin produk 117 | GP2 — General purpose I/O 2 |
| Pin produk 118 | GP3 — General purpose I/O 3 |
| Pin produk 119 | GP4 — General purpose I/O 4 |
| Pin produk 120 | GP5 — General purpose I/O 5 |
| Pin produk 121 | GP6 — General purpose I/O 6 |
| Pin produk 122 | GP7 — General purpose I/O 7 |
| Pin produk 123 | GP8 — General purpose I/O 8 |
| Pin produk 124 | GP9 — General purpose I/O 9 |
| Pin produk 125 | GP10 — General purpose I/O 10 |
| Pin produk 126 | GP11 — General purpose I/O 11 |
| Pin produk 127 | VDD — +5 V supply |
| Pin produk 128 | VSS — Ground |
| Pin produk 129 | T2CLK — Timer 2 clock |
| Pin produk 130 | T2OUT — Timer 2 output |
| Pin produk 131 | ADDR24 — External bus address 24 |
| Pin produk 132 | ADDR25 — External bus address 25 |
Aplikasi Umum
MC68332AVEH16 cocok untuk 7 aplikasis: Industrial Process Control, Automotive Body and Chassis ECUs (Legacy), Robotics Motor Control, Avionics and Military Embedded Systems, Medical Device Control Boards (Legacy), Smart Grid and Energy Sub-Station IEDs, Legacy Printer and Imaging Controllers.
Industrial Process Control
The MC68332AVEH16's 16 MHz CPU32 core, integrated Time Processing Unit (TPU), and 2 KB on-chip SRAM make it well suited to deterministic industrial process automation. The TPU offloads timing-critical functions such as PWM generation, pulse counting, and quadrature decoding directly in hardware, freeing the CPU32 core to execute supervisory control loops. Operating from a stable 5 V supply at industrial temperature grades, the part tolerates the harsh electrical environment of factory floors. Unlike modern Cortex-M devices, the CPU32's mature toolchain and long-term stable firmware base reduce validation risk in legacy plants. The 132-pin PQFP package supports the I/O count required for multi-loop controllers and sensor interfacing.
Direkomendasikan
Automotive Body and Chassis ECUs (Legacy)
The MC68332AVEH16 was widely deployed in legacy automotive body and chassis ECUs because its CPU32 architecture and TPU deliver the deterministic real-time response needed for motor and actuator control. The 132-pin PQFP package and 5 V supply rail match traditional automotive harness designs. However, AEC-Q100 grade is not explicitly stated for this suffix variant, so automotive qualification of the chosen lot must be confirmed. For new designs, NXP recommends migrating to S12X or S32K families with modern automotive safety (ASIL) support.
Direkomendasikan
Robotics Motor Control
The MC68332AVEH16's integrated Time Processing Unit (TPU) executes up to 16 independent timing channels concurrently, making it ideal for multi-axis robotics motor control. The TPU handles PWM synthesis, frequency measurement, and stepper pulse generation in microcode without CPU32 intervention, dramatically improving real-time performance. The QSM's QSPI channel provides high-speed communication to motor driver ICs and the SCI channel offers RS-232/RS-485 debugging links. At 16 MHz the device balances throughput and deterministic latency for closed-loop position control.
Direkomendasikan
Avionics and Military Embedded Systems
The mature CPU32 architecture, 132-pin PQFP package, and industrial temperature range of the MC68332AVEH16 have made it a long-standing choice for avionics sub-assemblies and military embedded platforms that require proven, deterministic software behavior. The inter-module bus (IMB) standard enables reuse of validated peripheral drivers across many derivatives, easing software certification. Its ROMless configuration allows secure program storage in external radiation-tolerant memory. Designers must confirm ongoing MIL-STD or DO-178 compliance for the chosen variant before deployment.
Direkomendasikan
Medical Device Control Boards (Legacy)
The MC68332AVEH16's deterministic CPU32 core and integrated TPU have historically powered medical device control boards, including infusion pumps, patient monitors, and laboratory analyzers that demand predictable timing. The 5 V supply rail simplifies analog signal chain integration, and the 132-pin PQFP footprint enables drop-in upgrade paths within long-lifecycle medical equipment. New medical designs should evaluate modern Cortex-M or ColdFire parts with IEC 62304 software lifecycle support and active manufacturer roadmaps.
Direkomendasikan
Smart Grid and Energy Sub-Station IEDs
The MC68332AVEH16's 16 MHz CPU32 core and 132-pin PQFP package suit legacy Intelligent Electronic Devices (IEDs) for sub-station automation and smart grid energy management. The QSM's QSPI channel can drive high-speed ADC and communication front-ends, while the SCI channel provides RS-232/RS-485 links to sub-station bus. The 5 V supply aligns with industrial sub-station rack power. Note that this part is NRN’ per the latest NXP lifecycle data, so designers should qualify a ColdFire or S12 successor for new deployments.
Direkomendasikan
Legacy Printer and Imaging Controllers
Industrial printer engines, plotters, and imaging subsystems historically used the MC68332AVEH16 because its TPU drives stepper and DC motors precisely while the QSM channels handle scanner and print-head data. The 132-pin PQFP package and ROMless architecture let system designers tune firmware to specific print resolutions. Replacement designs should evaluate MCF5225x ColdFire or Kinetis KE parts for lower power and modern USB/Ethernet connectivity.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk MC68332AVEH16 — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | MC68332ACEH16 | MC68332GCEH16 | MC68LK332ACEH16 | MC68LK332GCEH16 | MC68332AVEH20 | MC68332GCAG16 |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 132-pin PQFP (EH) | 132-pin PQFP (EH) | 132-pin PQFP (EH) | 132-pin PQFP (EH) | 132-pin PQFP (EH) | 132-pin PQFP (EH) | 144-pin PQFP (NOT drop-in) |
| Core | CPU32 32-bit | CPU32 32-bit | CPU32 32-bit | CPU32 32-bit (low-power) | CPU32 32-bit (low-power) | CPU32 32-bit | CPU32 32-bit |
| Clock Frequency | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 20 MHz (+25%) | 16 MHz |
| On-chip RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| Program Memory | ROMless | ROMless | ROMless | ROMless | ROMless | ROMless | ROMless |
| TPU Channels | 16 channels | 16 channels | 16 channels | 16 channels | 16 channels | 16 channels | 16 channels |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Lifecycle | NRN’ | NRN’ / EOL | NRN’ / EOL | NRN’ / EOL | NRN’ / EOL | NRN’ / EOL | NRN’ / EOL |
| Pin-to-Pin Drop-In | Reference | Yes (same package) | Yes (same package) | Yes (same package) | Yes (same package) | Yes (same package, +25% clock) | No (144-pin package) |
Diferensiator Kunci
- Integrated Time Processing Unit (TPU) offloads 16 timing channels from the CPU32 core (vsMC68302FC16C)
- Higher CPU32 performance than communications-controller family (vsMC68302FC16C)
- ROMless external bus up to full 32-bit address space (vsMC68332GCEH16)
Catatan Desain
The MC68332AVEH16 operates from a 5 V supply; decouple VDD/VSS pairs with 100 nF ceramic capacitors placed within 5 mm of each supply pin pair. Add a bulk 10 uF tantalum or polymer capacitor near the PLL supply pins (VDDSYN/VSSSYN) to filter switching noise from the internal phase-locked loop. Estimated: at 16 MHz, the CPU32 core draws roughly 70 mA typical; total board supply design should budget 150 mA to accommodate peripheral surges.
External bus signals (ADDR, DATA, AS, DS, R/W) drive the off-chip program memory and should be length-matched within 12 mm to avoid skew. Source: typical M683xx design guidelines recommend series damping resistors (22-33 ohm) on heavily loaded address and data lines. Keep the bus region on a single signal layer with a continuous ground reference below.
Do not assume the part is in active production; the MC68332AVEH16 is in NXP's NRN’ (Not Recommended for New Designs) phase per the latest lifecycle data. Procure a safety stock or qualify a ColdFire/S12X drop-in alternative before designing in. Additionally, the 132-pin PQFP package has fine-pitch leads - verify solder paste stencil aperture matches the 0.65 mm lead pitch per IPC-7525.
The 132-pin PQFP package has a typical theta_JA in the 40-50 C/W range on a 4-layer JEDEC test board. Estimated: at 150 mA total supply current and 5 V, power dissipation is 0.75 W, producing a junction temperature rise of approximately 30-38 C above ambient. Adequate copper pour or airflow keeps Tj under the 105 C industrial limit.
Informasi Konformitas
Specific RoHS/REACH/AEC-Q100 status for the MC68332AVEH16 suffix variant is not stated in the verified web data. The legacy M68332 family pre-dates many modern compliance declarations; OEMs should request the latest manufacturer material declaration for qualification.
