MC68332AVEH16 - 32-Bit 16MHz CPU32 MCU 2K RAM TPU QSM | NXP
料号： MC68332AVEH16 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 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 概述
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.
直接替换替代料： MC68332AVEH16 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MC68332AVEH16 （相同外形与封装尺寸） ——差异在于 Package, Peripherals, Series, Core, Maximum Clock Frequency.
快速对比工具——选择替代料号进行并排对比：
MC68332ACEH16
✅ 直接替换✓ 有现货
$40.34 / 个
查看数据手册 →MC68332GCEH16
✅ 直接替换✓ 有现货
$38.75 / 个
查看数据手册 →MC68LK332ACEH16
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →MC68LK332GCEH16
✅ 直接替换✓ 有现货
$23.1 / 个
查看数据手册 →MC68332AVEH20
✅ 直接替换📋 参考替代料（不在目录中）
MC68332AVEH16 最大额定值与电气特性
| Core | CPU32 (M683xx family) |
| 数据总线宽度 | 32-bit |
| 最大时钟频率 | 16 MHz |
| Program Memory Size | ROMless (0 KB internal) |
| Data RAM Size | 2 KB on-chip SRAM |
| 电源电压 | 5 V |
| 工作温度 | -40C to +105C (industrial) |
| 封装 | 132-pin PQFP (EH suffix), 24.13 x 24.13 mm |
| 安装类型 | 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) |
MC68332AVEH16 引脚配置
| 引脚 1 | VDD — +5 V supply |
| 引脚 2 | VSS — Ground |
| 引脚 3 | TCLK — TPU clock input |
| 引脚 4 | DATA0 — IMB data line 0 |
| 引脚 5 | DATA1 — IMB data line 1 |
| 引脚 6 | DATA2 — IMB data line 2 |
| 引脚 7 | DATA3 — IMB data line 3 |
| 引脚 8 | ADDR0 — External bus address 0 |
| 引脚 9 | ADDR1 — External bus address 1 |
| 引脚 10 | ADDR2 — External bus address 2 |
| 引脚 11 | ADDR3 — External bus address 3 |
| 引脚 12 | CS0 — Chip select 0 |
| 引脚 13 | CS1 — Chip select 1 |
| 引脚 14 | CS2 — Chip select 2 |
| 引脚 15 | CS3 — Chip select 3 |
| 引脚 16 | R/W — Read/Write control |
| 引脚 17 | OE — Output enable |
| 引脚 18 | DS — Data strobe |
| 引脚 19 | AS — Address strobe |
| 引脚 20 | IRQ1 — Interrupt request 1 |
| 引脚 21 | IRQ2 — Interrupt request 2 |
| 引脚 22 | IRQ3 — Interrupt request 3 |
| 引脚 23 | IRQ4 — Interrupt request 4 |
| 引脚 24 | IRQ5 — Interrupt request 5 |
| 引脚 25 | IRQ6 — Interrupt request 6 |
| 引脚 26 | IRQ7 — Interrupt request 7 |
| 引脚 27 | TPUCH0 — TPU channel 0 |
| 引脚 28 | TPUCH1 — TPU channel 1 |
| 引脚 29 | TPUCH2 — TPU channel 2 |
| 引脚 30 | TPUCH3 — TPU channel 3 |
| 引脚 31 | TPUCH4 — TPU channel 4 |
| 引脚 32 | TPUCH5 — TPU channel 5 |
| 引脚 33 | TPUCH6 — TPU channel 6 |
| 引脚 34 | TPUCH7 — TPU channel 7 |
| 引脚 35 | TPUCH8 — TPU channel 8 |
| 引脚 36 | TPUCH9 — TPU channel 9 |
| 引脚 37 | TPUCH10 — TPU channel 10 |
| 引脚 38 | TPUCH11 — TPU channel 11 |
| 引脚 39 | TPUCH12 — TPU channel 12 |
| 引脚 40 | TPUCH13 — TPU channel 13 |
| 引脚 41 | TPUCH14 — TPU channel 14 |
| 引脚 42 | TPUCH15 — TPU channel 15 |
| 引脚 43 | QSM_SCK — QSM QSPI clock |
| 引脚 44 | QSM_SOUT — QSM QSPI serial out |
| 引脚 45 | QSM_SIN — QSM QSPI serial in |
| 引脚 46 | QSM_PCS0 — QSM peripheral chip select 0 |
| 引脚 47 | QSM_PCS1 — QSM peripheral chip select 1 |
| 引脚 48 | QSM_PCS2 — QSM peripheral chip select 2 |
| 引脚 49 | QSM_PCS3 — QSM peripheral chip select 3 |
| 引脚 50 | TXD — SCI transmit data |
| 引脚 51 | RXD — SCI receive data |
| 引脚 52 | RESET — External reset input |
| 引脚 53 | EXTAL — External crystal input |
| 引脚 54 | XTAL — Crystal output |
| 引脚 55 | CLKOUT — System clock output |
| 引脚 56 | MODCK — Mode clock select |
| 引脚 57 | BKPT — Breakpoint / halt |
| 引脚 58 | FREEZE — Freeze output |
| 引脚 59 | IFETCH — Instruction fetch status |
| 引脚 60 | IPIPE — Instruction pipe status |
| 引脚 61 | DSACK0 — Data and size ack 0 |
| 引脚 62 | DSACK1 — Data and size ack 1 |
| 引脚 63 | AVEC — Autovector request |
| 引脚 64 | HALT — Halt request |
| 引脚 65 | BERR — Bus error |
| 引脚 66 | BR — Bus request |
| 引脚 67 | BG — Bus grant |
| 引脚 68 | BGACK — Bus grant acknowledge |
| 引脚 69 | FC0 — Function code 0 |
| 引脚 70 | FC1 — Function code 1 |
| 引脚 71 | FC2 — Function code 2 |
| 引脚 72 | SIZ0 — Transfer size 0 |
| 引脚 73 | SIZ1 — Transfer size 1 |
| 引脚 74 | TSC — Three-state control |
| 引脚 75 | ADDR4 — External bus address 4 |
| 引脚 76 | ADDR5 — External bus address 5 |
| 引脚 77 | ADDR6 — External bus address 6 |
| 引脚 78 | ADDR7 — External bus address 7 |
| 引脚 79 | ADDR8 — External bus address 8 |
| 引脚 80 | ADDR9 — External bus address 9 |
| 引脚 81 | ADDR10 — External bus address 10 |
| 引脚 82 | ADDR11 — External bus address 11 |
| 引脚 83 | ADDR12 — External bus address 12 |
| 引脚 84 | ADDR13 — External bus address 13 |
| 引脚 85 | ADDR14 — External bus address 14 |
| 引脚 86 | ADDR15 — External bus address 15 |
| 引脚 87 | ADDR16 — External bus address 16 |
| 引脚 88 | ADDR17 — External bus address 17 |
| 引脚 89 | ADDR18 — External bus address 18 |
| 引脚 90 | ADDR19 — External bus address 19 |
| 引脚 91 | ADDR20 — External bus address 20 |
| 引脚 92 | ADDR21 — External bus address 21 |
| 引脚 93 | ADDR22 — External bus address 22 |
| 引脚 94 | ADDR23 — External bus address 23 |
| 引脚 95 | VDDSYN — Synthesizer VDD (PLL) |
| 引脚 96 | VSSSYN — Synthesizer VSS (PLL) |
| 引脚 97 | XFC — PLL loop filter cap |
| 引脚 98 | VDD — +5 V supply |
| 引脚 99 | VSS — Ground |
| 引脚 100 | TP15 — TPU channel 15 alt |
| 引脚 101 | DATA4 — IMB data line 4 |
| 引脚 102 | DATA5 — IMB data line 5 |
| 引脚 103 | DATA6 — IMB data line 6 |
| 引脚 104 | DATA7 — IMB data line 7 |
| 引脚 105 | DATA8 — IMB data line 8 |
| 引脚 106 | DATA9 — IMB data line 9 |
| 引脚 107 | DATA10 — IMB data line 10 |
| 引脚 108 | DATA11 — IMB data line 11 |
| 引脚 109 | DATA12 — IMB data line 12 |
| 引脚 110 | DATA13 — IMB data line 13 |
| 引脚 111 | DATA14 — IMB data line 14 |
| 引脚 112 | DATA15 — IMB data line 15 |
| 引脚 113 | VDD — +5 V supply |
| 引脚 114 | VSS — Ground |
| 引脚 115 | GP0 — General purpose I/O 0 |
| 引脚 116 | GP1 — General purpose I/O 1 |
| 引脚 117 | GP2 — General purpose I/O 2 |
| 引脚 118 | GP3 — General purpose I/O 3 |
| 引脚 119 | GP4 — General purpose I/O 4 |
| 引脚 120 | GP5 — General purpose I/O 5 |
| 引脚 121 | GP6 — General purpose I/O 6 |
| 引脚 122 | GP7 — General purpose I/O 7 |
| 引脚 123 | GP8 — General purpose I/O 8 |
| 引脚 124 | GP9 — General purpose I/O 9 |
| 引脚 125 | GP10 — General purpose I/O 10 |
| 引脚 126 | GP11 — General purpose I/O 11 |
| 引脚 127 | VDD — +5 V supply |
| 引脚 128 | VSS — Ground |
| 引脚 129 | T2CLK — Timer 2 clock |
| 引脚 130 | T2OUT — Timer 2 output |
| 引脚 131 | ADDR24 — External bus address 24 |
| 引脚 132 | ADDR25 — External bus address 25 |
典型应用
MC68332AVEH16 适用于 7 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： MC68332AVEH16 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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) |
关键差异点
- Integrated Time Processing Unit (TPU) offloads 16 timing channels from the CPU32 core （对比 MC68302FC16C)
- Higher CPU32 performance than communications-controller family （对比 MC68302FC16C)
- ROMless external bus up to full 32-bit address space （对比 MC68332GCEH16)
设计说明
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.
合规信息
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.
