MC68332AVEH16 - 32-Bit 16MHz CPU32 MCU 2K RAM TPU QSM | NXP
N.º da peça: MC68332AVEH16 ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $47.16 | $47,16 |
| 10 | $42.45 | $424,50 |
| 100 | $37.73 | $3.773,00 |
| 500 | $33.01 | $16.505,00 |
| 1.000 | $28.3 | $28.300,00 |
MC68332AVEH16 Visão geral
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.
Alternativas drop-in para MC68332AVEH16 — 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 MC68332AVEH16 (mesmo formato e footprint) — diferindo em Package, Peripherals, Series, Core, Maximum Clock Frequency.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC68332ACEH16
✅ Drop-In✓ Em estoque
$40.34 / unidade
Ver ficha técnica →MC68332GCEH16
✅ Drop-In✓ Em estoque
$38.75 / unidade
Ver ficha técnica →MC68LK332ACEH16
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →MC68LK332GCEH16
✅ Drop-In✓ Em estoque
$23.1 / unidade
Ver ficha técnica →MC68332AVEH20
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC68332AVEH16 Classificações máximas e características elétricas
| Core | CPU32 (M683xx family) |
| Largura do barramento de dados | 32-bit |
| Frequência máxima de clock | 16 MHz |
| Program Memory Size | ROMless (0 KB internal) |
| Data RAM Size | 2 KB on-chip SRAM |
| Tensão de alimentação | 5 V |
| Temperatura de operação | -40C to +105C (industrial) |
| Encapsulamento | 132-pin PQFP (EH suffix), 24.13 x 24.13 mm |
| Tipo de montagem | 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) |
Configuração de pinos do MC68332AVEH16
| Pino 1 | VDD — +5 V supply |
| Pino 2 | VSS — Ground |
| Pino 3 | TCLK — TPU clock input |
| Pino 4 | DATA0 — IMB data line 0 |
| Pino 5 | DATA1 — IMB data line 1 |
| Pino 6 | DATA2 — IMB data line 2 |
| Pino 7 | DATA3 — IMB data line 3 |
| Pino 8 | ADDR0 — External bus address 0 |
| Pino 9 | ADDR1 — External bus address 1 |
| Pino 10 | ADDR2 — External bus address 2 |
| Pino 11 | ADDR3 — External bus address 3 |
| Pino 12 | CS0 — Chip select 0 |
| Pino 13 | CS1 — Chip select 1 |
| Pino 14 | CS2 — Chip select 2 |
| Pino 15 | CS3 — Chip select 3 |
| Pino 16 | R/W — Read/Write control |
| Pino 17 | OE — Output enable |
| Pino 18 | DS — Data strobe |
| Pino 19 | AS — Address strobe |
| Pino 20 | IRQ1 — Interrupt request 1 |
| Pino 21 | IRQ2 — Interrupt request 2 |
| Pino 22 | IRQ3 — Interrupt request 3 |
| Pino 23 | IRQ4 — Interrupt request 4 |
| Pino 24 | IRQ5 — Interrupt request 5 |
| Pino 25 | IRQ6 — Interrupt request 6 |
| Pino 26 | IRQ7 — Interrupt request 7 |
| Pino 27 | TPUCH0 — TPU channel 0 |
| Pino 28 | TPUCH1 — TPU channel 1 |
| Pino 29 | TPUCH2 — TPU channel 2 |
| Pino 30 | TPUCH3 — TPU channel 3 |
| Pino 31 | TPUCH4 — TPU channel 4 |
| Pino 32 | TPUCH5 — TPU channel 5 |
| Pino 33 | TPUCH6 — TPU channel 6 |
| Pino 34 | TPUCH7 — TPU channel 7 |
| Pino 35 | TPUCH8 — TPU channel 8 |
| Pino 36 | TPUCH9 — TPU channel 9 |
| Pino 37 | TPUCH10 — TPU channel 10 |
| Pino 38 | TPUCH11 — TPU channel 11 |
| Pino 39 | TPUCH12 — TPU channel 12 |
| Pino 40 | TPUCH13 — TPU channel 13 |
| Pino 41 | TPUCH14 — TPU channel 14 |
| Pino 42 | TPUCH15 — TPU channel 15 |
| Pino 43 | QSM_SCK — QSM QSPI clock |
| Pino 44 | QSM_SOUT — QSM QSPI serial out |
| Pino 45 | QSM_SIN — QSM QSPI serial in |
| Pino 46 | QSM_PCS0 — QSM peripheral chip select 0 |
| Pino 47 | QSM_PCS1 — QSM peripheral chip select 1 |
| Pino 48 | QSM_PCS2 — QSM peripheral chip select 2 |
| Pino 49 | QSM_PCS3 — QSM peripheral chip select 3 |
| Pino 50 | TXD — SCI transmit data |
| Pino 51 | RXD — SCI receive data |
| Pino 52 | RESET — External reset input |
| Pino 53 | EXTAL — External crystal input |
| Pino 54 | XTAL — Crystal output |
| Pino 55 | CLKOUT — System clock output |
| Pino 56 | MODCK — Mode clock select |
| Pino 57 | BKPT — Breakpoint / halt |
| Pino 58 | FREEZE — Freeze output |
| Pino 59 | IFETCH — Instruction fetch status |
| Pino 60 | IPIPE — Instruction pipe status |
| Pino 61 | DSACK0 — Data and size ack 0 |
| Pino 62 | DSACK1 — Data and size ack 1 |
| Pino 63 | AVEC — Autovector request |
| Pino 64 | HALT — Halt request |
| Pino 65 | BERR — Bus error |
| Pino 66 | BR — Bus request |
| Pino 67 | BG — Bus grant |
| Pino 68 | BGACK — Bus grant acknowledge |
| Pino 69 | FC0 — Function code 0 |
| Pino 70 | FC1 — Function code 1 |
| Pino 71 | FC2 — Function code 2 |
| Pino 72 | SIZ0 — Transfer size 0 |
| Pino 73 | SIZ1 — Transfer size 1 |
| Pino 74 | TSC — Three-state control |
| Pino 75 | ADDR4 — External bus address 4 |
| Pino 76 | ADDR5 — External bus address 5 |
| Pino 77 | ADDR6 — External bus address 6 |
| Pino 78 | ADDR7 — External bus address 7 |
| Pino 79 | ADDR8 — External bus address 8 |
| Pino 80 | ADDR9 — External bus address 9 |
| Pino 81 | ADDR10 — External bus address 10 |
| Pino 82 | ADDR11 — External bus address 11 |
| Pino 83 | ADDR12 — External bus address 12 |
| Pino 84 | ADDR13 — External bus address 13 |
| Pino 85 | ADDR14 — External bus address 14 |
| Pino 86 | ADDR15 — External bus address 15 |
| Pino 87 | ADDR16 — External bus address 16 |
| Pino 88 | ADDR17 — External bus address 17 |
| Pino 89 | ADDR18 — External bus address 18 |
| Pino 90 | ADDR19 — External bus address 19 |
| Pino 91 | ADDR20 — External bus address 20 |
| Pino 92 | ADDR21 — External bus address 21 |
| Pino 93 | ADDR22 — External bus address 22 |
| Pino 94 | ADDR23 — External bus address 23 |
| Pino 95 | VDDSYN — Synthesizer VDD (PLL) |
| Pino 96 | VSSSYN — Synthesizer VSS (PLL) |
| Pino 97 | XFC — PLL loop filter cap |
| Pino 98 | VDD — +5 V supply |
| Pino 99 | VSS — Ground |
| Pino 100 | TP15 — TPU channel 15 alt |
| Pino 101 | DATA4 — IMB data line 4 |
| Pino 102 | DATA5 — IMB data line 5 |
| Pino 103 | DATA6 — IMB data line 6 |
| Pino 104 | DATA7 — IMB data line 7 |
| Pino 105 | DATA8 — IMB data line 8 |
| Pino 106 | DATA9 — IMB data line 9 |
| Pino 107 | DATA10 — IMB data line 10 |
| Pino 108 | DATA11 — IMB data line 11 |
| Pino 109 | DATA12 — IMB data line 12 |
| Pino 110 | DATA13 — IMB data line 13 |
| Pino 111 | DATA14 — IMB data line 14 |
| Pino 112 | DATA15 — IMB data line 15 |
| Pino 113 | VDD — +5 V supply |
| Pino 114 | VSS — Ground |
| Pino 115 | GP0 — General purpose I/O 0 |
| Pino 116 | GP1 — General purpose I/O 1 |
| Pino 117 | GP2 — General purpose I/O 2 |
| Pino 118 | GP3 — General purpose I/O 3 |
| Pino 119 | GP4 — General purpose I/O 4 |
| Pino 120 | GP5 — General purpose I/O 5 |
| Pino 121 | GP6 — General purpose I/O 6 |
| Pino 122 | GP7 — General purpose I/O 7 |
| Pino 123 | GP8 — General purpose I/O 8 |
| Pino 124 | GP9 — General purpose I/O 9 |
| Pino 125 | GP10 — General purpose I/O 10 |
| Pino 126 | GP11 — General purpose I/O 11 |
| Pino 127 | VDD — +5 V supply |
| Pino 128 | VSS — Ground |
| Pino 129 | T2CLK — Timer 2 clock |
| Pino 130 | T2OUT — Timer 2 output |
| Pino 131 | ADDR24 — External bus address 24 |
| Pino 132 | ADDR25 — External bus address 25 |
Aplicações típicas
MC68332AVEH16 é adequado para 7 aplicaçãos: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MC68332AVEH16 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | 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) |
Principais diferenciais
- Integrated Time Processing Unit (TPU) offloads 16 timing channels from the CPU32 core (vs MC68302FC16C)
- Higher CPU32 performance than communications-controller family (vs MC68302FC16C)
- ROMless external bus up to full 32-bit address space (vs MC68332GCEH16)
Notas de projeto
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.
Informações de conformidade
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.
