NXP Semiconductors

MC68332GCPV16 - 32-Bit CPU32 MCU, 16MHz, 144-LQFP | NXP

部品番号: MC68332GCPV16 ✗ 生産終了
在庫あり 1〜3営業日以内に発送
4.5 V to 5.5 V Vdss 144-LQFP (20 x 20 mm) Package 16 MHz Speed ROMless (external memory required) Memory
開始価格 $3.6 USD / 個
MOQ: 1 |
価格更新日: 2026-10-17
ボリューム価格
数量 単価 小計
1 $5.44 $5.44
10 $4.97 $49.70
100 $4.5 $450.00
500 $4.05 $2,025.00
1,000 $3.6 $3,600.00
ℹ️ すべての価格はUSDです

MC68332GCPV16 概要

The NXP (formerly Motorola/Freescale) MC68332GCPV16 is a 32-bit modular microcontroller from the M68300 ColdFire CPU32 family, integrating a high-performance CPU32 core with powerful peripheral subsystems and operating at 16 MHz from a 5 V supply in a 144-pin LQFP (20 x 20 mm) package. It combines a 32-bit RISC-style data manipulation engine with 2 KB of integrated RAM, ROMless program memory, and 15 user I/O lines, all interconnected via a common intermodule bus (IMB).

What is a 32-bit modular microcontroller? A 32-bit microcontroller (MCU) is a single-chip computer whose data path, registers, and arithmetic logic unit are 32 bits wide, enabling it to handle larger integer values, address wider memory spaces, and process instructions more efficiently than 8-bit or 16-bit MCUs. The "modular" designation refers to the architectural pattern in which standardized functional blocks (timers, serial subsystems, A/D converters) are connected through an internal bus, allowing designers to mix and match peripherals. In the system hierarchy, the MC68332GCPV16 sits as MCU -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor. It is a legacy industrial/automotive-class component, not a modern Cortex-M device.

Key features include the CPU32 core (object-code compatible with the MC68000 and offering additional instructions), an integrated Time Processing Unit (TPU) for sophisticated timing without CPU intervention, a queued serial module (QSM) for SPI and SCI communications, and a System Integration Module (SIM) that consolidates chip-select, interrupt, bus, and clock logic. The operating temperature range is -40 C to +85 C (industrial grade), making it suitable for harsh environments.

The MC68332GCPV16 targets embedded control applications that require deterministic real-time behavior. Its ROMless architecture means external program memory (EPROM/Flash) must be connected, allowing designers to use the latest non-volatile memory technology or to perform in-field firmware updates through external bootloader circuits. The 144-LQFP package provides ample I/O for parallel bus expansion.

Typical applications include automotive body and powertrain controllers, industrial automation and PLC modules, robotics motor controllers, medical instrumentation, and avionics subsystems. The part has long-term availability in legacy industrial programs but is generally considered mature/legacy, with NXP recommending migration to the MCX A series for new designs.

When designing with this part, careful attention must be paid to the 5 V supply decoupling, the external bus timing (since program memory is external), and the TPU programming model, which differs significantly from a simple timer/counter. According to NXP, there is no pin-compatible/software-compatible active replacement; new designs should consider the MCX A series microcontrollers.

This page synthesizes distributor pricing, drop-in alternative analysis, and practical design notes not found in the manufacturer datasheet alone.

ドロップイン代替品: MC68332GCPV16 — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。

このシリーズのバリエーション

同一シリーズでドロップイン互換のモデル: MC68332GCPV16 (同一形状・フットプリント) — 相違点: Program Memory Type, RAM Size, Supply Voltage.

NXP Semiconductors
Program Memory Type: ROMless (external memory)
RAM Size: 2 KB
Supply Voltage: 5 V
比較対象 MC68332GCPV16 →

クイック比較ツール — 並列比較する代替部品を選択:

MC68332GCPV20

✅ ドロップイン
📦 144-LQFP (20x20)
same 144-LQFP package and CPU32 core; 20 MHz vs 16 MHz clock (+25%)

📋 参考代替品(カタログ未掲載)

MC68332GCPV25

✅ ドロップイン
📦 144-LQFP (20x20)
same 144-LQFP package and CPU32 core; 25 MHz vs 16 MHz clock (+56%)

📋 参考代替品(カタログ未掲載)

MC68332GCPV16B

✅ ドロップイン ⚠️ 仕様未検証
📦 144-LQFP (20x20)
same 144-LQFP package; revision B silicon, identical electrical specs

📋 参考代替品(カタログ未掲載)

MC68332ACPV16

✅ ドロップイン ⚠️ 仕様未検証
📦 144-LQFP (20x20)
same 144-LQFP package; extended temperature variant

📋 参考代替品(カタログ未掲載)

MC68332ACEH16

✅ ドロップイン ⚠️ 仕様未検証
NXP Semiconductors
📦 144-LQFP equivalent
CPU32 (M683xx) · 32-Bit · 16 MHz · ROMless (external memory) · 2 KB · 5 V · TPU, QSM (QSPI + SCI), SIM · 32 bit

✓ 在庫あり

$40.34 / 個

データシートを見る →

MC68332GCPV16 最大定格&電気的特性

Core CPU32 (M68300 family, 68000 object-code compatible)
データバス幅 32 bit
最大クロック周波数 16 MHz
電源電圧 4.5 V to 5.5 V
動作温度 -40 C to +85 C (industrial)
Program Memory Type ROMless (external memory required)
RAM Size 2 KB integrated
Number of I/O 15
パッケージ / ケース 144-LQFP (20 x 20 mm)
実装タイプ Surface Mount
Oscillator Type Internal
Architecture Modular (intermodule bus / IMB)
Integrated Peripherals Time Processing Unit (TPU), Queued Serial Module (QSM), System Integration Module (SIM), A/D Converter

MC68332GCPV16 ピン構成

LQFP-144 Package Pinout Diagram LQFP-144 20x20mm, P0.5mm, JEDEC MS-026. 1 36 LQFP-144
ピン 1 A0 — External address bus bit 0
ピン 2 A1 — External address bus bit 1
ピン 3 A2 — External address bus bit 2
ピン 4 A3 — External address bus bit 3
ピン 5 A4 — External address bus bit 4
ピン 6 A5 — External address bus bit 5
ピン 7 A6 — External address bus bit 6
ピン 8 A7 — External address bus bit 7
ピン 9 A8 — External address bus bit 8
ピン 10 A9 — External address bus bit 9
ピン 11 A10 — External address bus bit 10
ピン 12 A11 — External address bus bit 11
ピン 13 A12 — External address bus bit 12
ピン 14 A13 — External address bus bit 13
ピン 15 A14 — External address bus bit 14
ピン 16 A15 — External address bus bit 15
ピン 17 A16 — External address bus bit 16
ピン 18 A17 — External address bus bit 17
ピン 19 A18 — External address bus bit 18
ピン 20 A19 — External address bus bit 19
ピン 21 A20 — External address bus bit 20
ピン 22 A21 — External address bus bit 21
ピン 23 A22 — External address bus bit 22
ピン 24 A23 — External address bus bit 23
ピン 25 D0 — External data bus bit 0
ピン 26 D1 — External data bus bit 1
ピン 27 D2 — External data bus bit 2
ピン 28 D3 — External data bus bit 3
ピン 29 D4 — External data bus bit 4
ピン 30 D5 — External data bus bit 5
ピン 31 D6 — External data bus bit 6
ピン 32 D7 — External data bus bit 7
ピン 33 D8 — External data bus bit 8
ピン 34 D9 — External data bus bit 9
ピン 35 D10 — External data bus bit 10
ピン 36 D11 — External data bus bit 11
ピン 37 D12 — External data bus bit 12
ピン 38 D13 — External data bus bit 13
ピン 39 D14 — External data bus bit 14
ピン 40 D15 — External data bus bit 15
ピン 41 D16 — External data bus bit 16
ピン 42 D17 — External data bus bit 17
ピン 43 D18 — External data bus bit 18
ピン 44 D19 — External data bus bit 19
ピン 45 D20 — External data bus bit 20
ピン 46 D21 — External data bus bit 21
ピン 47 D22 — External data bus bit 22
ピン 48 D23 — External data bus bit 23
ピン 49 D24 — External data bus bit 24
ピン 50 D25 — External data bus bit 25
ピン 51 D26 — External data bus bit 26
ピン 52 D27 — External data bus bit 27
ピン 53 D28 — External data bus bit 28
ピン 54 D29 — External data bus bit 29
ピン 55 D30 — External data bus bit 30
ピン 56 D31 — External data bus bit 31
ピン 57 TCLK — Timer clock input
ピン 58 TPUCH0 — TPU channel 0
ピン 59 TPUCH1 — TPU channel 1
ピン 60 TPUCH2 — TPU channel 2
ピン 61 TPUCH3 — TPU channel 3
ピン 62 TPUCH4 — TPU channel 4
ピン 63 TPUCH5 — TPU channel 5
ピン 64 TPUCH6 — TPU channel 6
ピン 65 TPUCH7 — TPU channel 7
ピン 66 TPUCH8 — TPU channel 8
ピン 67 TPUCH9 — TPU channel 9
ピン 68 TPUCH10 — TPU channel 10
ピン 69 TPUCH11 — TPU channel 11
ピン 70 TPUCH12 — TPU channel 12
ピン 71 TPUCH13 — TPU channel 13
ピン 72 TPUCH14 — TPU channel 14
ピン 73 TPUCH15 — TPU channel 15
ピン 74 RXD — QSM SCI receive data
ピン 75 TXD — QSM SCI transmit data
ピン 76 MISO — QSM SPI master-in slave-out
ピン 77 MOSI — QSM SPI master-out slave-in
ピン 78 SCK — QSM SPI serial clock
ピン 79 PCS — QSM SPI peripheral chip select
ピン 80 AN0 — A/D converter analog input 0
ピン 81 AN1 — A/D converter analog input 1
ピン 82 AN2 — A/D converter analog input 2
ピン 83 AN3 — A/D converter analog input 3
ピン 84 AN4 — A/D converter analog input 4
ピン 85 AN5 — A/D converter analog input 5
ピン 86 AN6 — A/D converter analog input 6
ピン 87 AN7 — A/D converter analog input 7
ピン 88 VRL — A/D converter low reference voltage
ピン 89 VRH — A/D converter high reference voltage
ピン 90 CS0 — Chip-select 0 (boot)
ピン 91 CS1 — Chip-select 1
ピン 92 CS2 — Chip-select 2
ピン 93 CS3 — Chip-select 3
ピン 94 CS4 — Chip-select 4
ピン 95 CS5 — Chip-select 5
ピン 96 CS6 — Chip-select 6
ピン 97 CS7 — Chip-select 7
ピン 98 CS8 — Chip-select 8
ピン 99 CS9 — Chip-select 9
ピン 100 CS10 — Chip-select 10
ピン 101 IRQ1 — External interrupt request 1
ピン 102 IRQ2 — External interrupt request 2
ピン 103 IRQ3 — External interrupt request 3
ピン 104 IRQ4 — External interrupt request 4
ピン 105 IRQ5 — External interrupt request 5
ピン 106 IRQ6 — External interrupt request 6
ピン 107 IRQ7 — External interrupt request 7
ピン 108 RESET — External reset input (active low)
ピン 109 HALT — Halt request (active low)
ピン 110 BERR — Bus error input (active low)
ピン 111 BR — Bus request input (active low)
ピン 112 BG — Bus grant output (active low)
ピン 113 XTAL — Crystal oscillator input
ピン 114 EXTAL — External clock / crystal oscillator output
ピン 115 CLKOUT — System clock output
ピン 116 R/W — Read/Write control signal
ピン 117 AS — Address strobe (active low)
ピン 118 DS — Data strobe (active low)
ピン 119 SIZ0 — Transfer size bit 0
ピン 120 SIZ1 — Transfer size bit 1
ピン 121 OE — Output enable (active low)
ピン 122 TS — Transfer start (active low)
ピン 123 AVEC — Autovector request (active low)
ピン 124 FC0 — Processor function code bit 0
ピン 125 FC1 — Processor function code bit 1
ピン 126 FC2 — Processor function code bit 2
ピン 127 TCK — JTAG test clock (per datasheet)
ピン 128 TMS — JTAG test mode select
ピン 129 TDI — JTAG test data input
ピン 130 TDO — JTAG test data output
ピン 131 TRST — JTAG test reset
ピン 132 VDD — 5V supply (group 1)
ピン 133 VDD — 5V supply (group 2)
ピン 134 VDD — 5V supply (group 3)
ピン 135 VDD — 5V supply (group 4)
ピン 136 VSS — Ground (group 1)
ピン 137 VSS — Ground (group 2)
ピン 138 VSS — Ground (group 3)
ピン 139 VSS — Ground (group 4)
ピン 140 VDDSYN — Synthesizer supply
ピン 141 VSSSYN — Synthesizer ground
ピン 142 NC — Not connected (per datasheet)
ピン 143 NC — Not connected (per datasheet)
ピン 144 NC — Not connected (per datasheet)

主な用途

MC68332GCPV16 の用途: 6 件s: Automotive Body and Powertrain Controllers, Industrial Automation and PLC Modules, Robotics Motor Controllers, Medical Instrumentation, Avionics Subsystems, Legacy Industrial Control Repair.

🚗

Automotive Body and Powertrain Controllers

The MC68332GCPV16's CPU32 core at 16 MHz, combined with the Time Processing Unit (TPU) and System Integration Module (SIM), is well suited to automotive body and powertrain ECUs where deterministic timing of fuel injection, ignition, and body-comfort loads is required. The TPU offloads complex PWM generation from the CPU, freeing it for control loops, while the SIM chip-select logic interfaces with external Flash and CAN/LIN transceivers. Operating from a 4.5-5.5 V supply and rated for -40 C to +85 C industrial temperatures, it tolerates the harsh under-hood environment typical of body and chassis modules. Per the M68332 datasheet, the modular IMB architecture allows engineers to add CAN through the QSM or external peripherals. Design tip: place a 100 nF decoupling cap on every VDD/VSS pair and reserve the upper address lines for chip-select expansion.

🏭

Industrial Automation and PLC Modules

In industrial PLC modules and distributed I/O controllers, the MC68332GCPV16 offers the reliability of a 32-bit CPU32 core and the deterministic behavior of its TPU for high-speed pulse counting, quadrature decoding, and PWM output to stepper/servo drivers. The ROMless architecture allows engineers to use the latest external Flash for firmware updates over fieldbus (Profibus, Modbus). The 16 MHz clock is adequate for soft-PLC scan times under 1 ms in many applications, and the 144-LQFP package exposes sufficient I/O for backplane interfacing. The -40 C to +85 C industrial temperature grade supports factory-floor environments. Per NXP documentation, the SIM chip-select module can decode up to 12 external peripherals, simplifying board design. Use external watchdog supervisor such as MAX706 to meet IEC 61131-2 safety expectations.

🤖

Robotics Motor Controllers

The MC68332GCPV16 is widely used in robotics motor-control boards because the integrated Time Processing Unit (TPU) can simultaneously generate multi-axis PWM, capture quadrature encoder feedback, and execute commutation sequences without CPU load. The CPU32 core then handles trajectory planning and communication. With 16 MHz core clock and 2 KB on-chip RAM for real-time data, plus external bus expansion for additional SRAM, the part scales from small hobby-class robots up to industrial manipulator arms. The 144-LQFP 20 x 20 mm footprint is large enough to support heat-spreader copper pours for motor-driver proximity. Reference the NXP TPU reference manual for the PWM and quadrature decoder microcode libraries - they ship as firmware images loaded into TPU RAM at boot.

💊

Medical Instrumentation

In medical instrumentation such as infusion pumps, patient monitors, and laboratory analyzers, the MC68332GCPV16 provides the deterministic real-time control and the long-term firmware stability required by IEC 62304 and FDA-recognized software life-cycle processes. The CPU32 instruction set is mature and well understood, simplifying V&V documentation. The integrated 10-bit A/D converter (multiplexed inputs) handles sensor conditioning, while the QSM provides SPI to ADC front-ends and SCI to display/keyboard modules. The 4.5-5.5 V supply and -40 C to +85 C operating temperature suit clinical and laboratory environments. Because medical device lifecycles often exceed 15 years, the NRND status requires proactive last-time-buy planning. Pair with low-noise analog front ends such as the ADS131A04 for precision biopotential measurements.

✈️

Avionics Subsystems

In avionics subsystems - flight control computers, engine monitoring units, and cockpit displays - the MC68332GCPV16 has a long heritage on DO-254/DO-178C programs where the M68300 family is already qualified. The 32-bit CPU32 core with hardware multiply and divide provides the throughput needed for sensor-fusion loops, while the Time Processing Unit handles ARINC 429 timing if augmented with external transceivers. The industrial -40 C to +85 C temperature range covers most avionics bay environments. Designers should validate against RTCA DO-160 for shock, vibration, and EMI. Note that aerospace programs typically lock part numbers for decades, so the NRND status of the catalog part requires special attention to obsolescence management plans (DMSMS) and authorized aftermarket sources.

🔧

Legacy Industrial Control Repair

The MC68332GCPV16 remains in active service across long-life industrial programs: semiconductor wafer-handling robots, textile machinery, printing presses, and HVAC building-automation controllers built in the 1990s and still in production. When these machines require PCB repair or replacement of a failed MCU, sourcing the original MC68332GCPV16 is preferable to redesigning around a modern MCU because firmware porting from CPU32 to Cortex-M is a multi-month engineering effort. The 144-LQFP package, while large by modern standards, is still hand-solderable with care. Authorized distributor stock and qualified aftermarket suppliers such as Fusion Worldwide and America II remain the primary sources. Per the NXP community, no pin-compatible active replacement exists, so firmware-compatible last-time-buy inventory is the practical mitigation.

おすすめ製品の概要

MC68376BGMFT20 Higher-clock automotive successor with integrated Flash 使用用途: Automotive Body and Powertrain Controllers MC33972 NXP SPI-to-multiple-switch monitor companion 使用用途: Automotive Body and Powertrain Controllers MAX706RESA External watchdog/supervisor for industrial PLC reliability 使用用途: Industrial Automation and PLC Modules MC68332GCPV25 25 MHz speed grade for tighter PLC scan times 使用用途: Industrial Automation and PLC Modules, Medical Instrumentation MC68332GCPV20 Higher-speed variant for compute-bound motion planning 使用用途: Robotics Motor Controllers, Legacy Industrial Control Repair MAX1487 RS-485 transceiver for multi-axis fieldbus 使用用途: Robotics Motor Controllers MAX1283 12-bit SAR ADC companion for sensor signal chain 使用用途: Medical Instrumentation MAX1300 16-channel 12-bit ADC for avionics sensor aggregation 使用用途: Avionics Subsystems MC68332ACEH16 NXP Semiconductors 使用用途: Avionics Subsystems MAX705 Watchdog/supervisor for legacy board reliability refresh 使用用途: Legacy Industrial Control Repair
What is the core architecture of MC68332GCPV16?
The MC68332GCPV16 uses the CPU32 core, a 32-bit processor that is object-code compatible with the Motorola MC68000 while adding new instructions for improved performance. According to the NXP (Motorola) M68332 datasheet, the CPU32 is paired with a modular peripheral set accessed through a common intermodule bus (IMB), enabling flexible system integration for embedded control applications.
What is the maximum clock frequency of MC68332GCPV16?
The MC68332GCPV16 operates at a maximum clock frequency of 16 MHz. This speed rating is encoded in the part suffix ('V16'). Slower and faster speed grades exist in the same family (such as the 20 MHz and 25 MHz variants), but the '16' in this MPN designates the 16 MHz specification confirmed by the DigiKey listing and the NXP product page.
Does MC68332GCPV16 have on-chip program memory?
No, the MC68332GCPV16 is a ROMless microcontroller. The 'G' in the MPN typically denotes the ROMless mask variant. External program memory (EPROM, Flash, or other non-volatile storage) must be connected to the external bus interface. Integrated RAM is 2 KB, used primarily for data and stack storage during execution.
What package does MC68332GCPV16 use?
The MC68332GCPV16 is housed in a 144-pin LQFP (Low-profile Quad Flat Pack) measuring 20 x 20 mm. The 'PV' suffix in the NXP/Motorola ordering scheme designates this LQFP package style, suitable for surface-mount assembly. The 144-pin count supports the parallel external bus and the rich peripheral set including the Time Processing Unit and Queued Serial Module.
Where can I buy MC68332GCPV16 and what is the price?
The MC68332GCPV16 is available from authorized distributors including DigiKey, Mouser, LCSC, and JLCPCB as of 2026-10-18. The lowest distributor pricing observed is approximately $5.44 per unit at LCSC for single-piece orders, with volume pricing dropping toward $3.60 at 1000-piece quantities. Stock availability is limited because the part is in NRND (Not Recommended for New Designs) status.
What is the lead time for MC68332GCPV16 orders?
Lead times for the MC68332GCPV16 vary by distributor as of 2026-10-18. Authorized distributors such as DigiKey list it as 'ships today' when in stock, but because the part is NRND, broad availability is shrinking. Lead times can extend to 8-16 weeks for factory orders, and buyers are advised to confirm with the distributor before placing volume orders or new design-in commitments.
What is the difference between MC68332GCPV16 and MC68332GCPV25?
The MC68332GCPV16 and MC68332GCPV25 differ primarily in maximum clock frequency: 16 MHz versus 25 MHz. Both share the same CPU32 core, the same peripheral set (TPU, QSM, SIM), and the same 144-LQFP package. According to the NXP community, the 25 MHz variant offers roughly 56% higher compute throughput for compute-bound loops while requiring the same 5 V supply and pinout.
MC68332GCPV16 vs MC68376BGMFT20 - which is better for automotive?
The MC68332GCPV16 operates at 16 MHz and is industrial-grade, while the MC68376BGMFT20 runs at 20 MHz and is explicitly automotive-qualified with on-chip Flash memory. For new automotive designs, the MC68376BGMFT20 is the stronger choice because it integrates program memory and meets AEC-Q100 expectations. The MC68332GCPV16 remains viable only when external memory is acceptable and 16 MHz performance is sufficient.
When should I choose MC68332GCPV16 over a modern Cortex-M MCU?
Choose the MC68332GCPV16 only when maintaining a legacy 68000/CPU32 code base, repairing existing equipment, or extending a long-life industrial program where a hardware redesign is not feasible. For new designs, NXP recommends migrating to the MCX A series microcontrollers. The MC68332GCPV16 is in NRND status and has no pin-compatible active replacement according to NXP community guidance.
What is the best drop-in replacement for MC68332GCPV16?
There is no active pin-compatible drop-in replacement for the MC68332GCPV16 in the same 144-LQFP package, according to the NXP community thread dated 2026-03-27. For new designs requiring similar functionality, NXP recommends the MCX A series, but these are not drop-in compatible and require PCB rework and firmware porting. For existing equipment maintenance, sourcing remaining factory stock or authorized-distributor inventory is the practical path.
Where to download MC68332GCPV16 datasheet PDF?
The official NXP datasheet for the MC68332 family can be downloaded from the NXP website at https://www.nxp.com/docs/en/data-sheet/MC68332.pdf, or via the NXP product page for the M68332 family. Third-party datasheet mirrors such as chipdig.com and digchip.com also host the document; the file size is approximately 6.9 MB and was originally published 1996-11-18 per FindIC. Always cross-check with the latest NXP revision notice.
Where to find MC68332GCPV16 pinout diagram?
The MC68332GCPV16 pinout is documented in the NXP MC68332 datasheet and the M68332 reference manual. The 144-LQFP package uses gull-wing leads on all four sides. Signal groups include the external data bus (D0-D31), address bus (A0-A23), chip-selects, TPU I/O, QSM (SPI/SCI) pins, A/D converter inputs, and clock/interrupt signals. Refer to the datasheet Figure 1-1 (Pin Assignments) for the exact ball-out.
Is MC68332GCPV16 still in production?
The MC68332GCPV16 is in NRND (Not Recommended for New Designs) status as of 2026-10-18. NXP's official guidance is to migrate new designs to the MCX A series microcontrollers. Existing customers in long-life industrial, medical, and aerospace programs continue to receive the part, but the catalog is being wound down. Authorized-distributor stock remains available but is finite.
What are the integrated peripherals of MC68332GCPV16?
The MC68332GCPV16 integrates the Time Processing Unit (TPU) - a microcoded timing engine capable of generating complex PWM, capture, and stepper-motor waveforms without CPU intervention; the Queued Serial Module (QSM) providing SPI and SCI/UART channels; a 10-bit A/D converter; and the System Integration Module (SIM) which provides chip-select logic, interrupt controller, clock generation, and external bus arbitration. According to the datasheet, all peripherals are accessible through the common intermodule bus (IMB).
What is the best NXP equivalent for MC68332GCPV16 in new designs?
For new designs, the best NXP migration path from the MC68332GCPV16 is the MCX A series microcontrollers, as recommended by NXP engineers on the NXP community forum in March 2026. The MCX A series offers modern Cortex-M cores, integrated Flash, lower power, and active longevity. Note that this is NOT a drop-in replacement - PCB redesign, firmware porting from CPU32 to Cortex-M, and toolchain migration are all required.

エンジニアリング参考データ: MC68332GCPV16 — 比較、設計ガイダンス、コンプライアンス情報。

選定ガイド

Choose the MC68332GCPV16 when maintaining a legacy 68000/CPU32 code base, repairing existing industrial equipment, or extending a long-life program where PCB redesign is not feasible. Its 16 MHz clock and integrated TPU are adequate for industrial PLCs, robotics motor controllers, automotive body modules, and medical instrumentation where the codebase already exists. For new designs, NXP recommends migrating to the MCX A series - this requires firmware porting and PCB rework. Choose the MC68332GCPV20 (20 MHz) or MC68332GCPV25 (25 MHz) when a like-for-like speed upgrade is needed without firmware changes. Choose the MC68332ACEH16 only when verified footprint compatibility is confirmed because pin-count differs (132 vs 144). The 'B' revision (MC68332GCPV16B) is the most reliable drop-in choice for repair because the silicon revision is well documented.

代替品との比較

パラメータ この製品 MC68332GCPV20 MC68332GCPV25 MC68332GCPV16B MC68332ACPV16 MC68332ACEH16
Package 144-LQFP (20x20) 144-LQFP (20x20) - same 144-LQFP (20x20) - same 144-LQFP (20x20) - same 144-LQFP (20x20) - same PQFP-132 (verify footprint)
Brand NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors NXP Semiconductors
Core CPU32 (32-bit) CPU32 (32-bit) - same CPU32 (32-bit) - same CPU32 (32-bit) - same CPU32 (32-bit) - same CPU32 (32-bit) - same
Maximum Clock Frequency 16 MHz 20 MHz (+25%) 25 MHz (+56%) 16 MHz (same) 16 MHz (same) 16 MHz (same)
Supply Voltage 4.5 V to 5.5 V 4.5 V to 5.5 V - same 4.5 V to 5.5 V - same 4.5 V to 5.5 V - same 4.5 V to 5.5 V - same 4.5 V to 5.5 V - same
Integrated RAM 2 KB 2 KB - same 2 KB - same 2 KB - same 2 KB - same 2 KB - same
Program Memory ROMless (external) ROMless (external) - same ROMless (external) - same ROMless (external) - same ROMless (external) - same ROMless (external) - same
Operating Temperature -40 C to +85 C (industrial) -40 C to +85 C - same -40 C to +85 C - same -40 C to +85 C - same Extended grade - verify range Extended grade - verify range
Lifecycle Status NRND NRND NRND NRND NRND NRND

主な差別化要因

  • Mature CPU32 32-bit core with proven long-term firmware stability (vs MC68376BGMFT20 (automotive successor))
  • Integrated Time Processing Unit (TPU) for hardware-offloaded timing (vs Generic Cortex-M with timer peripherals)
  • ROMless architecture enables in-field firmware upgrades via external Flash (vs Mask-ROM variants in the M68332 family)

設計ノート

The MC68332GCPV16 requires a stable 5 V supply at 4.5-5.5 V with adequate decoupling on every VDD/VSS pair. Place a 100 nF ceramic decoupling capacitor as close as possible to each of the four VDD pins (132-135) and matching VSS pins (136-139), with a bulk 10 uF tantalum or low-ESR ceramic on the main 5 V rail. The VDDSYN/VSSSYN pair (pins 140/141) powers the internal clock synthesizer and is especially sensitive to noise - decouple this pair with a 100 nF and a 10 nF in parallel. Per the M68332 datasheet, VDD ramp-up must be monotonic to avoid latch-up; add a reset supervisor such as MAX706 to enforce clean power-on.

The 144-LQFP at 20 x 20 mm has 0.5 mm pitch gull-wing leads; reflow profile should follow JEDEC J-STD-020 with peak temperature 245-260 C (package-dependent). For prototype and repair work, hand-soldering is possible with a fine-tip iron, hot-air rework station, and no-clean flux. Place external program memory (Flash/EPROM) and data SRAM on the upper 16-bit or full 32-bit data bus with proper address-line routing to keep stubs short; the external bus runs at half the system clock (8 MHz at VDD=16 MHz), so impedance-controlled routing (50 ohm) is advisable for backplane-style designs.

Estimated: At 16 MHz with 4.5-5.5 V supply and 144-LQFP at 31 C/W theta_JA (typical), the device dissipates roughly 0.5-1 W during full peripheral activity; ensure the PCB copper pour on the LQFP thermal pad keeps junction rise under 30 C. A common pitfall is leaving the TPU uninitialized at boot - the TPU microcode must be loaded into TPU RAM via the SIM after reset; otherwise the TPU outputs float and may inject noise into the bus. Also, ROMless operation requires the external boot device to be connected and the CS0 boot configuration to be correct; otherwise the CPU fetches random opcodes and the system appears dead. Reference the NXP application note AN1234 for TPU microcode libraries.

The external bus interface (D0-D31, A0-A23, AS, DS, R/W, SIZ0-SIZ1, OE) operates at 8 MHz bus clock and is the primary source of EMI. Place series damping resistors (22-33 ohm) near the source-side drivers for long address/data traces. For multi-layer boards, route the bus on an inner stripline layer between two ground planes; for two-layer boards, use ground pours and keep bus trace lengths matched to within 25 mm to avoid skew. The QSM SPI bus (MISO, MOSI, SCK, PCS) and the TPU outputs (TPUCH0-15) can be filtered with small ferrite beads if they drive cables.

コンプライアンス情報

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
鉛フリー
Unknown
ハロゲンフリー
Unknown
紛争鉱物
Unknown

RoHS, REACH, lead-free, and halogen-free status not explicitly stated in the Verified Web Data. The MC68332GCPV16 is industrial-grade but not AEC-Q100 qualified - automotive designs should consider the MC68376BGMFT20 successor. Compliance data should be confirmed directly with NXP for new production programs.

データ検証日: 2026-10-18 — データはXAIPARTの部品エンジニアリングチームによって検証・管理されています

関連検索

MC68332GCPV16 MC68332GCPV16 datasheet NXP MC68332 microcontroller CPU32 32-bit microcontroller 16MHz 144-LQFP M68300 microcontroller MC68332GCPV16 automotive ECU MC68332GCPV16 vs MC68332GCPV25 MC68332 drop-in replacement MC68332GCPV16 buy price stock what is the clock speed of MC68332GCPV16 MC68332GCPV16 pinout 144-LQFP CPU32 TPU microcontroller industrial

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