MC68332AVEH16 - 32-Bit 16MHz CPU32 MCU 2K RAM TPU QSM | NXP
MPN: MC68332AVEH16 ✗ Cuối đờiMC68332AVEH16 Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho MC68332AVEH16 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với MC68332AVEH16 (cùng hình factor và footprint) — khác nhau ở Package, Peripherals, Series, Core, Maximum Clock Frequency.
MC68332ACEH16
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC68332GCEH16
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC68LK332ACEH16
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC68LK332GCEH16
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MC68332AVEH20
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
MC68332AVEH16 Tỷ lệ tối đa & tính chất điện
| Core | CPU32 (M683xx family) |
| Bề rộng đường dữ liệu | 32-bit |
| Tần số xung maksimum | 16 MHz |
| Program Memory Size | ROMless (0 KB internal) |
| Data RAM Size | 2 KB on-chip SRAM |
| Điện áp cung cấp | 5 V |
| Nhiệt độ hoạt động | -40C to +105C (industrial) |
| Hộp | 132-pin PQFP (EH suffix), 24.13 x 24.13 mm |
| Kiểu lắp đặt | 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) |
Cấu hình chân MC68332AVEH16
| Chân 1 | VDD — +5 V supply |
| Chân 2 | VSS — Ground |
| Chân 3 | TCLK — TPU clock input |
| Chân 4 | DATA0 — IMB data line 0 |
| Chân 5 | DATA1 — IMB data line 1 |
| Chân 6 | DATA2 — IMB data line 2 |
| Chân 7 | DATA3 — IMB data line 3 |
| Chân 8 | ADDR0 — External bus address 0 |
| Chân 9 | ADDR1 — External bus address 1 |
| Chân 10 | ADDR2 — External bus address 2 |
| Chân 11 | ADDR3 — External bus address 3 |
| Chân 12 | CS0 — Chip select 0 |
| Chân 13 | CS1 — Chip select 1 |
| Chân 14 | CS2 — Chip select 2 |
| Chân 15 | CS3 — Chip select 3 |
| Chân 16 | R/W — Read/Write control |
| Chân 17 | OE — Output enable |
| Chân 18 | DS — Data strobe |
| Chân 19 | AS — Address strobe |
| Chân 20 | IRQ1 — Interrupt request 1 |
| Chân 21 | IRQ2 — Interrupt request 2 |
| Chân 22 | IRQ3 — Interrupt request 3 |
| Chân 23 | IRQ4 — Interrupt request 4 |
| Chân 24 | IRQ5 — Interrupt request 5 |
| Chân 25 | IRQ6 — Interrupt request 6 |
| Chân 26 | IRQ7 — Interrupt request 7 |
| Chân 27 | TPUCH0 — TPU channel 0 |
| Chân 28 | TPUCH1 — TPU channel 1 |
| Chân 29 | TPUCH2 — TPU channel 2 |
| Chân 30 | TPUCH3 — TPU channel 3 |
| Chân 31 | TPUCH4 — TPU channel 4 |
| Chân 32 | TPUCH5 — TPU channel 5 |
| Chân 33 | TPUCH6 — TPU channel 6 |
| Chân 34 | TPUCH7 — TPU channel 7 |
| Chân 35 | TPUCH8 — TPU channel 8 |
| Chân 36 | TPUCH9 — TPU channel 9 |
| Chân 37 | TPUCH10 — TPU channel 10 |
| Chân 38 | TPUCH11 — TPU channel 11 |
| Chân 39 | TPUCH12 — TPU channel 12 |
| Chân 40 | TPUCH13 — TPU channel 13 |
| Chân 41 | TPUCH14 — TPU channel 14 |
| Chân 42 | TPUCH15 — TPU channel 15 |
| Chân 43 | QSM_SCK — QSM QSPI clock |
| Chân 44 | QSM_SOUT — QSM QSPI serial out |
| Chân 45 | QSM_SIN — QSM QSPI serial in |
| Chân 46 | QSM_PCS0 — QSM peripheral chip select 0 |
| Chân 47 | QSM_PCS1 — QSM peripheral chip select 1 |
| Chân 48 | QSM_PCS2 — QSM peripheral chip select 2 |
| Chân 49 | QSM_PCS3 — QSM peripheral chip select 3 |
| Chân 50 | TXD — SCI transmit data |
| Chân 51 | RXD — SCI receive data |
| Chân 52 | RESET — External reset input |
| Chân 53 | EXTAL — External crystal input |
| Chân 54 | XTAL — Crystal output |
| Chân 55 | CLKOUT — System clock output |
| Chân 56 | MODCK — Mode clock select |
| Chân 57 | BKPT — Breakpoint / halt |
| Chân 58 | FREEZE — Freeze output |
| Chân 59 | IFETCH — Instruction fetch status |
| Chân 60 | IPIPE — Instruction pipe status |
| Chân 61 | DSACK0 — Data and size ack 0 |
| Chân 62 | DSACK1 — Data and size ack 1 |
| Chân 63 | AVEC — Autovector request |
| Chân 64 | HALT — Halt request |
| Chân 65 | BERR — Bus error |
| Chân 66 | BR — Bus request |
| Chân 67 | BG — Bus grant |
| Chân 68 | BGACK — Bus grant acknowledge |
| Chân 69 | FC0 — Function code 0 |
| Chân 70 | FC1 — Function code 1 |
| Chân 71 | FC2 — Function code 2 |
| Chân 72 | SIZ0 — Transfer size 0 |
| Chân 73 | SIZ1 — Transfer size 1 |
| Chân 74 | TSC — Three-state control |
| Chân 75 | ADDR4 — External bus address 4 |
| Chân 76 | ADDR5 — External bus address 5 |
| Chân 77 | ADDR6 — External bus address 6 |
| Chân 78 | ADDR7 — External bus address 7 |
| Chân 79 | ADDR8 — External bus address 8 |
| Chân 80 | ADDR9 — External bus address 9 |
| Chân 81 | ADDR10 — External bus address 10 |
| Chân 82 | ADDR11 — External bus address 11 |
| Chân 83 | ADDR12 — External bus address 12 |
| Chân 84 | ADDR13 — External bus address 13 |
| Chân 85 | ADDR14 — External bus address 14 |
| Chân 86 | ADDR15 — External bus address 15 |
| Chân 87 | ADDR16 — External bus address 16 |
| Chân 88 | ADDR17 — External bus address 17 |
| Chân 89 | ADDR18 — External bus address 18 |
| Chân 90 | ADDR19 — External bus address 19 |
| Chân 91 | ADDR20 — External bus address 20 |
| Chân 92 | ADDR21 — External bus address 21 |
| Chân 93 | ADDR22 — External bus address 22 |
| Chân 94 | ADDR23 — External bus address 23 |
| Chân 95 | VDDSYN — Synthesizer VDD (PLL) |
| Chân 96 | VSSSYN — Synthesizer VSS (PLL) |
| Chân 97 | XFC — PLL loop filter cap |
| Chân 98 | VDD — +5 V supply |
| Chân 99 | VSS — Ground |
| Chân 100 | TP15 — TPU channel 15 alt |
| Chân 101 | DATA4 — IMB data line 4 |
| Chân 102 | DATA5 — IMB data line 5 |
| Chân 103 | DATA6 — IMB data line 6 |
| Chân 104 | DATA7 — IMB data line 7 |
| Chân 105 | DATA8 — IMB data line 8 |
| Chân 106 | DATA9 — IMB data line 9 |
| Chân 107 | DATA10 — IMB data line 10 |
| Chân 108 | DATA11 — IMB data line 11 |
| Chân 109 | DATA12 — IMB data line 12 |
| Chân 110 | DATA13 — IMB data line 13 |
| Chân 111 | DATA14 — IMB data line 14 |
| Chân 112 | DATA15 — IMB data line 15 |
| Chân 113 | VDD — +5 V supply |
| Chân 114 | VSS — Ground |
| Chân 115 | GP0 — General purpose I/O 0 |
| Chân 116 | GP1 — General purpose I/O 1 |
| Chân 117 | GP2 — General purpose I/O 2 |
| Chân 118 | GP3 — General purpose I/O 3 |
| Chân 119 | GP4 — General purpose I/O 4 |
| Chân 120 | GP5 — General purpose I/O 5 |
| Chân 121 | GP6 — General purpose I/O 6 |
| Chân 122 | GP7 — General purpose I/O 7 |
| Chân 123 | GP8 — General purpose I/O 8 |
| Chân 124 | GP9 — General purpose I/O 9 |
| Chân 125 | GP10 — General purpose I/O 10 |
| Chân 126 | GP11 — General purpose I/O 11 |
| Chân 127 | VDD — +5 V supply |
| Chân 128 | VSS — Ground |
| Chân 129 | T2CLK — Timer 2 clock |
| Chân 130 | T2OUT — Timer 2 output |
| Chân 131 | ADDR24 — External bus address 24 |
| Chân 132 | ADDR25 — External bus address 25 |
Ứng dụng tiêu biểu
MC68332AVEH16 phù hợp cho 7 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MC68332AVEH16 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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) |
Bảo phân biệt quan trọng
- 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)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
