MC68332AVEH16 - 32-Bit 16MHz CPU32 MCU 2K RAM TPU QSM | NXP
MPN: MC68332AVEH16 ✗ סוף ייצורMC68332AVEH16 סקירה
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.
חלופות תחליף ישיר עבור MC68332AVEH16 — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם MC68332AVEH16 (אותו גורם צורה וטביעת רגל) — שונים ב Package, Peripherals, Series, Core, Maximum Clock Frequency.
MC68332ACEH16
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MC68332GCEH16
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MC68LK332ACEH16
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MC68LK332GCEH16
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MC68332AVEH20
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
MC68332AVEH16 דירוגים מרביים ומאפיינים חשמליים
| Core | CPU32 (M683xx family) |
| רוחב אפיק נתונים | 32-bit |
| תדר שעון מקסימלי | 16 MHz |
| Program Memory Size | ROMless (0 KB internal) |
| Data RAM Size | 2 KB on-chip SRAM |
| מתח אספקה | 5 V |
| טמפרטורת פעולה | -40C to +105C (industrial) |
| מארז | 132-pin PQFP (EH suffix), 24.13 x 24.13 mm |
| סוג הרכבה | 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) |
תצורת פינים של MC68332AVEH16
| פין 1 | VDD — +5 V supply |
| פין 2 | VSS — Ground |
| פין 3 | TCLK — TPU clock input |
| פין 4 | DATA0 — IMB data line 0 |
| פין 5 | DATA1 — IMB data line 1 |
| פין 6 | DATA2 — IMB data line 2 |
| פין 7 | DATA3 — IMB data line 3 |
| פין 8 | ADDR0 — External bus address 0 |
| פין 9 | ADDR1 — External bus address 1 |
| פין 10 | ADDR2 — External bus address 2 |
| פין 11 | ADDR3 — External bus address 3 |
| פין 12 | CS0 — Chip select 0 |
| פין 13 | CS1 — Chip select 1 |
| פין 14 | CS2 — Chip select 2 |
| פין 15 | CS3 — Chip select 3 |
| פין 16 | R/W — Read/Write control |
| פין 17 | OE — Output enable |
| פין 18 | DS — Data strobe |
| פין 19 | AS — Address strobe |
| פין 20 | IRQ1 — Interrupt request 1 |
| פין 21 | IRQ2 — Interrupt request 2 |
| פין 22 | IRQ3 — Interrupt request 3 |
| פין 23 | IRQ4 — Interrupt request 4 |
| פין 24 | IRQ5 — Interrupt request 5 |
| פין 25 | IRQ6 — Interrupt request 6 |
| פין 26 | IRQ7 — Interrupt request 7 |
| פין 27 | TPUCH0 — TPU channel 0 |
| פין 28 | TPUCH1 — TPU channel 1 |
| פין 29 | TPUCH2 — TPU channel 2 |
| פין 30 | TPUCH3 — TPU channel 3 |
| פין 31 | TPUCH4 — TPU channel 4 |
| פין 32 | TPUCH5 — TPU channel 5 |
| פין 33 | TPUCH6 — TPU channel 6 |
| פין 34 | TPUCH7 — TPU channel 7 |
| פין 35 | TPUCH8 — TPU channel 8 |
| פין 36 | TPUCH9 — TPU channel 9 |
| פין 37 | TPUCH10 — TPU channel 10 |
| פין 38 | TPUCH11 — TPU channel 11 |
| פין 39 | TPUCH12 — TPU channel 12 |
| פין 40 | TPUCH13 — TPU channel 13 |
| פין 41 | TPUCH14 — TPU channel 14 |
| פין 42 | TPUCH15 — TPU channel 15 |
| פין 43 | QSM_SCK — QSM QSPI clock |
| פין 44 | QSM_SOUT — QSM QSPI serial out |
| פין 45 | QSM_SIN — QSM QSPI serial in |
| פין 46 | QSM_PCS0 — QSM peripheral chip select 0 |
| פין 47 | QSM_PCS1 — QSM peripheral chip select 1 |
| פין 48 | QSM_PCS2 — QSM peripheral chip select 2 |
| פין 49 | QSM_PCS3 — QSM peripheral chip select 3 |
| פין 50 | TXD — SCI transmit data |
| פין 51 | RXD — SCI receive data |
| פין 52 | RESET — External reset input |
| פין 53 | EXTAL — External crystal input |
| פין 54 | XTAL — Crystal output |
| פין 55 | CLKOUT — System clock output |
| פין 56 | MODCK — Mode clock select |
| פין 57 | BKPT — Breakpoint / halt |
| פין 58 | FREEZE — Freeze output |
| פין 59 | IFETCH — Instruction fetch status |
| פין 60 | IPIPE — Instruction pipe status |
| פין 61 | DSACK0 — Data and size ack 0 |
| פין 62 | DSACK1 — Data and size ack 1 |
| פין 63 | AVEC — Autovector request |
| פין 64 | HALT — Halt request |
| פין 65 | BERR — Bus error |
| פין 66 | BR — Bus request |
| פין 67 | BG — Bus grant |
| פין 68 | BGACK — Bus grant acknowledge |
| פין 69 | FC0 — Function code 0 |
| פין 70 | FC1 — Function code 1 |
| פין 71 | FC2 — Function code 2 |
| פין 72 | SIZ0 — Transfer size 0 |
| פין 73 | SIZ1 — Transfer size 1 |
| פין 74 | TSC — Three-state control |
| פין 75 | ADDR4 — External bus address 4 |
| פין 76 | ADDR5 — External bus address 5 |
| פין 77 | ADDR6 — External bus address 6 |
| פין 78 | ADDR7 — External bus address 7 |
| פין 79 | ADDR8 — External bus address 8 |
| פין 80 | ADDR9 — External bus address 9 |
| פין 81 | ADDR10 — External bus address 10 |
| פין 82 | ADDR11 — External bus address 11 |
| פין 83 | ADDR12 — External bus address 12 |
| פין 84 | ADDR13 — External bus address 13 |
| פין 85 | ADDR14 — External bus address 14 |
| פין 86 | ADDR15 — External bus address 15 |
| פין 87 | ADDR16 — External bus address 16 |
| פין 88 | ADDR17 — External bus address 17 |
| פין 89 | ADDR18 — External bus address 18 |
| פין 90 | ADDR19 — External bus address 19 |
| פין 91 | ADDR20 — External bus address 20 |
| פין 92 | ADDR21 — External bus address 21 |
| פין 93 | ADDR22 — External bus address 22 |
| פין 94 | ADDR23 — External bus address 23 |
| פין 95 | VDDSYN — Synthesizer VDD (PLL) |
| פין 96 | VSSSYN — Synthesizer VSS (PLL) |
| פין 97 | XFC — PLL loop filter cap |
| פין 98 | VDD — +5 V supply |
| פין 99 | VSS — Ground |
| פין 100 | TP15 — TPU channel 15 alt |
| פין 101 | DATA4 — IMB data line 4 |
| פין 102 | DATA5 — IMB data line 5 |
| פין 103 | DATA6 — IMB data line 6 |
| פין 104 | DATA7 — IMB data line 7 |
| פין 105 | DATA8 — IMB data line 8 |
| פין 106 | DATA9 — IMB data line 9 |
| פין 107 | DATA10 — IMB data line 10 |
| פין 108 | DATA11 — IMB data line 11 |
| פין 109 | DATA12 — IMB data line 12 |
| פין 110 | DATA13 — IMB data line 13 |
| פין 111 | DATA14 — IMB data line 14 |
| פין 112 | DATA15 — IMB data line 15 |
| פין 113 | VDD — +5 V supply |
| פין 114 | VSS — Ground |
| פין 115 | GP0 — General purpose I/O 0 |
| פין 116 | GP1 — General purpose I/O 1 |
| פין 117 | GP2 — General purpose I/O 2 |
| פין 118 | GP3 — General purpose I/O 3 |
| פין 119 | GP4 — General purpose I/O 4 |
| פין 120 | GP5 — General purpose I/O 5 |
| פין 121 | GP6 — General purpose I/O 6 |
| פין 122 | GP7 — General purpose I/O 7 |
| פין 123 | GP8 — General purpose I/O 8 |
| פין 124 | GP9 — General purpose I/O 9 |
| פין 125 | GP10 — General purpose I/O 10 |
| פין 126 | GP11 — General purpose I/O 11 |
| פין 127 | VDD — +5 V supply |
| פין 128 | VSS — Ground |
| פין 129 | T2CLK — Timer 2 clock |
| פין 130 | T2OUT — Timer 2 output |
| פין 131 | ADDR24 — External bus address 24 |
| פין 132 | ADDR25 — External bus address 25 |
יישומים טיפוסיים
MC68332AVEH16 מתאים עבור 7 יישוםs: 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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור MC68332AVEH16 — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | 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) |
מבדילים עיקריים
- Integrated Time Processing Unit (TPU) offloads 16 timing channels from the CPU32 core (לעומתMC68302FC16C)
- Higher CPU32 performance than communications-controller family (לעומתMC68302FC16C)
- ROMless external bus up to full 32-bit address space (לעומתMC68332GCEH16)
הערות תכנון
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.
מידע על תאימות
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.
