MC68LK332GCAG16 - 32-Bit ColdFire MCU, ROMless, 144-LQFP | NXP
Артикул: MC68LK332GCAG16 ✗ Снят с производства| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $18.5 | $18,50 |
| 10 | $16.2 | $162,00 |
| 100 | $13.95 | $1.395,00 |
| 500 | $11.8 | $5.900,00 |
| 1.000 | $10.4 | $10.400,00 |
MC68LK332GCAG16 Обзор
The M68300 family belongs to the ColdFire / CPU32 lineage of 32-bit microcontrollers, which sit in the hierarchy MCU (microcontroller) -> embedded controller -> 32-bit microprocessor -> semiconductor IC. These parts were designed for high-performance data manipulation with powerful on-chip peripheral subsystems, bridging 8/16-bit legacy designs and modern 32-bit automotive/industrial compute platforms.
Key features include a 32-bit CPU32 core with 16.78 MHz system clock, 2 KB on-chip SRAM (organized 2K x 8), 15 user I/O lines, internal oscillator, ROMless program memory (external memory interface required), and an integrated TPU for complex timing without CPU intervention plus a QSM for queued serial communications. The CPU32 instruction set is a restricted subset of the M68000 family, retaining 32-bit registers and addressing while reducing hardware complexity.
Typical applications include industrial motion control (using TPU for PWM and angle decoding), automotive body and chassis ECUs (engine timing, anti-lock brake controllers, transmission controllers), serial-communications gateways leveraging the QSM, and legacy M68000 firmware ports. The wide 5V tolerance also makes it suitable for 5V industrial backplanes.
When designing with this part, note that the 144-LQFP package exposes the full external memory bus; designers must add external program memory (EPROM/Flash) and decoupling per NXP application notes. The part is now in NXP's End-of-Life portfolio, so long-life production designs should plan for last-time-buy or migrate to a ColdFire V2/V3 successor.
Аналоги без доработки для MC68LK332GCAG16 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с MC68LK332GCAG16 (тот же форм-фактор и посадочное место) — отличается по Core Processor, RAM Size, Core Size, Package, Program Memory Type.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
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Открыть даташит →MC68LK332GCAG16 Максимальные параметры и электрические характеристики
| Core | CPU32 (M68300 / ColdFire lineage) |
| Разрядность шины данных | 32-bit |
| Максимальная тактовая частота | 16.78 MHz |
| Program Memory Type | ROMless |
| RAM Size | 2 KB (2K x 8) |
| Number of I/O Lines | 15 |
| Напряжение питания | 5 V |
| Oscillator Type | Internal |
| Корпус / Типоразмер | 144-LQFP (20 x 20 mm) |
| Тип монтажа | Surface Mount |
| Packaging | Tray |
| On-chip Peripherals | TPU (Time Processing Unit), QSM (Queued Serial Module), SIM (System Integration Module) |
| Interconnect Bus | IMB (Intermodule Bus) |
Конфигурация выводов MC68LK332GCAG16
| Контакт 1 | VDD — 5V supply (per NXP MC68332 family datasheet) |
| Контакт 2 | VSS — Ground |
| Контакт 3 | ADDR0 — External address bus bit 0 (per datasheet) |
| Контакт 4 | ADDR1 — External address bus bit 1 |
| Контакт 5 | ADDR2 — External address bus bit 2 |
| Контакт 6 | ADDR3 — External address bus bit 3 |
| Контакт 7 | ADDR4 — External address bus bit 4 |
| Контакт 8 | ADDR5 — External address bus bit 5 |
| Контакт 9 | ADDR6 — External address bus bit 6 |
| Контакт 10 | ADDR7 — External address bus bit 7 |
| Контакт 11 | ADDR8 — External address bus bit 8 |
| Контакт 12 | ADDR9 — External address bus bit 9 |
| Контакт 13 | ADDR10 — External address bus bit 10 |
| Контакт 14 | ADDR11 — External address bus bit 11 |
| Контакт 15 | ADDR12 — External address bus bit 12 |
| Контакт 16 | ADDR13 — External address bus bit 13 |
| Контакт 17 | ADDR14 — External address bus bit 14 |
| Контакт 18 | ADDR15 — External address bus bit 15 |
| Контакт 19 | ADDR16 — External address bus bit 16 |
| Контакт 20 | ADDR17 — External address bus bit 17 |
| Контакт 21 | ADDR18 — External address bus bit 18 |
| Контакт 22 | ADDR19 — External address bus bit 19 |
| Контакт 23 | ADDR20 — External address bus bit 20 |
| Контакт 24 | ADDR21 — External address bus bit 21 |
| Контакт 25 | ADDR22 — External address bus bit 22 |
| Контакт 26 | ADDR23 — External address bus bit 23 |
| Контакт 27 | DATA0 — External data bus bit 0 |
| Контакт 28 | DATA1 — External data bus bit 1 |
| Контакт 29 | DATA2 — External data bus bit 2 |
| Контакт 30 | DATA3 — External data bus bit 3 |
| Контакт 31 | DATA4 — External data bus bit 4 |
| Контакт 32 | DATA5 — External data bus bit 5 |
| Контакт 33 | DATA6 — External data bus bit 6 |
| Контакт 34 | DATA7 — External data bus bit 7 |
| Контакт 35 | DATA8 — External data bus bit 8 |
| Контакт 36 | DATA9 — External data bus bit 9 |
| Контакт 37 | DATA10 — External data bus bit 10 |
| Контакт 38 | DATA11 — External data bus bit 11 |
| Контакт 39 | DATA12 — External data bus bit 12 |
| Контакт 40 | DATA13 — External data bus bit 13 |
| Контакт 41 | DATA14 — External data bus bit 14 |
| Контакт 42 | DATA15 — External data bus bit 15 |
| Контакт 43 | CS0 — Chip-select 0 (per datasheet) |
| Контакт 44 | CS1 — Chip-select 1 |
| Контакт 45 | CS2 — Chip-select 2 |
| Контакт 46 | CS3 — Chip-select 3 |
| Контакт 47 | CS4 — Chip-select 4 |
| Контакт 48 | CS5 — Chip-select 5 |
| Контакт 49 | CS6 — Chip-select 6 |
| Контакт 50 | CS7 — Chip-select 7 |
| Контакт 51 | CS8 — Chip-select 8 |
| Контакт 52 | CS9 — Chip-select 9 |
| Контакт 53 | CS10 — Chip-select 10 |
| Контакт 54 | IRQ1 — Interrupt request 1 (per datasheet) |
| Контакт 55 | IRQ2 — Interrupt request 2 |
| Контакт 56 | IRQ3 — Interrupt request 3 |
| Контакт 57 | IRQ4 — Interrupt request 4 |
| Контакт 58 | IRQ5 — Interrupt request 5 |
| Контакт 59 | IRQ6 — Interrupt request 6 |
| Контакт 60 | IRQ7 — Interrupt request 7 |
| Контакт 61 | TPUCH0 — TPU channel 0 (per datasheet) |
| Контакт 62 | TPUCH1 — TPU channel 1 |
| Контакт 63 | TPUCH2 — TPU channel 2 |
| Контакт 64 | TPUCH3 — TPU channel 3 |
| Контакт 65 | TPUCH4 — TPU channel 4 |
| Контакт 66 | TPUCH5 — TPU channel 5 |
| Контакт 67 | TPUCH6 — TPU channel 6 |
| Контакт 68 | TPUCH7 — TPU channel 7 |
| Контакт 69 | TPUCH8 — TPU channel 8 |
| Контакт 70 | TPUCH9 — TPU channel 9 |
| Контакт 71 | TPUCH10 — TPU channel 10 |
| Контакт 72 | TPUCH11 — TPU channel 11 |
| Контакт 73 | TPUCH12 — TPU channel 12 |
| Контакт 74 | TPUCH13 — TPU channel 13 |
| Контакт 75 | TPUCH14 — TPU channel 14 |
| Контакт 76 | TPUCH15 — TPU channel 15 |
| Контакт 77 | QSMTXD — QSM transmit data (per datasheet) |
| Контакт 78 | QSMRXD — QSM receive data |
| Контакт 79 | QSMCLK — QSM clock |
| Контакт 80 | QSPCS — QSM chip select |
| Контакт 81 | XTAL — Crystal oscillator input |
| Контакт 82 | EXTAL — External clock input |
| Контакт 83 | VSS — Ground |
| Контакт 84 | VDD — 5V supply |
| Контакт 85 | RSTOUT — Reset output (per datasheet) |
| Контакт 86 | RESET — Reset input |
| Контакт 87 | HALT — Halt control |
| Контакт 88 | BKPT — Breakpoint / background debug mode |
| Контакт 89 | DSO — Development serial output (per datasheet) |
| Контакт 90 | DSI — Development serial input |
| Контакт 91 | PWM0 — Pulse-width modulation output 0 (per datasheet) |
| Контакт 92 | PWM1 — Pulse-width modulation output 1 |
| Контакт 93 | PWM2 — Pulse-width modulation output 2 |
| Контакт 94 | PWM3 — Pulse-width modulation output 3 |
| Контакт 95 | PWM4 — Pulse-width modulation output 4 |
| Контакт 96 | PWM5 — Pulse-width modulation output 5 |
| Контакт 97 | PWM6 — Pulse-width modulation output 6 |
| Контакт 98 | PWM7 — Pulse-width modulation output 7 |
| Контакт 99 | PWMA0 — Pulse-width modulation A0 (per datasheet) |
| Контакт 100 | PWMA1 — Pulse-width modulation A1 |
| Контакт 101 | PWMA2 — Pulse-width modulation A2 |
| Контакт 102 | PWMA3 — Pulse-width modulation A3 |
| Контакт 103 | PWMA4 — Pulse-width modulation A4 |
| Контакт 104 | PWMA5 — Pulse-width modulation A5 |
| Контакт 105 | PWMA6 — Pulse-width modulation A6 |
| Контакт 106 | PWMA7 — Pulse-width modulation A7 |
| Контакт 107 | TPUSA — TPU sub-address (per datasheet) |
| Контакт 108 | TPUSB — TPU sub-bus |
| Контакт 109 | TPUCLK — TPU clock |
| Контакт 110 | TPUEN — TPU enable |
| Контакт 111 | AVDD — Analog 5V supply (per datasheet) |
| Контакт 112 | AVSS — Analog ground |
| Контакт 113 | VRL — ADC voltage reference low (per datasheet) |
| Контакт 114 | VRH — ADC voltage reference high |
| Контакт 115 | AN0 — Analog input 0 (per datasheet) |
| Контакт 116 | AN1 — Analog input 1 |
| Контакт 117 | AN2 — Analog input 2 |
| Контакт 118 | AN3 — Analog input 3 |
| Контакт 119 | AN4 — Analog input 4 |
| Контакт 120 | AN5 — Analog input 5 |
| Контакт 121 | AN6 — Analog input 6 |
| Контакт 122 | AN7 — Analog input 7 |
| Контакт 123 | TXD — SCI transmit (per datasheet) |
| Контакт 124 | RXD — SCI receive |
| Контакт 125 | SCK — SCI clock |
| Контакт 126 | PCS0 — Peripheral chip select 0 (per datasheet) |
| Контакт 127 | PCS1 — Peripheral chip select 1 |
| Контакт 128 | PCS2 — Peripheral chip select 2 |
| Контакт 129 | PCS3 — Peripheral chip select 3 |
| Контакт 130 | MISO — SPI MISO (per datasheet) |
| Контакт 131 | MOSI — SPI MOSI |
| Контакт 132 | SPICLK — SPI clock |
| Контакт 133 | SPICS — SPI chip select |
| Контакт 134 | WR — Write strobe (per datasheet) |
| Контакт 135 | RD — Read strobe |
| Контакт 136 | AS — Address strobe |
| Контакт 137 | DS — Data strobe |
| Контакт 138 | BG — Bus grant (per datasheet) |
| Контакт 139 | BR — Bus request |
| Контакт 140 | BB — Bus busy |
| Контакт 141 | FC0 — Function code 0 (per datasheet) |
| Контакт 142 | FC1 — Function code 1 |
| Контакт 143 | FC2 — Function code 2 |
| Контакт 144 | VSS — Ground |
Типичное применение
MC68LK332GCAG16 подходит для 6 применениеs: Industrial Motion Control, Automotive Engine Control Modules, Serial Communications Gateway, Anti-Lock Braking System (ABS) Controller, Transmission Control Unit (TCU), Industrial Robotic Controller.
Industrial Motion Control
The MC68LK332GCAG16's integrated Time Processing Unit (TPU) executes complex PWM generation, quadrature decoding, and stepper-motor control sequences independently of the CPU32 core. At 16.78 MHz the TPU delivers microsecond-class timing resolution suitable for brushless DC and AC induction drives below 50 kHz switching. Designers place the part at the heart of the motion controller, with external program memory storing the motion profile tables and the QSM handling the encoder/serial feedback channel. Compared with software PWM on a general-purpose MCU, the TPU offload frees the CPU32 for trajectory planning and CAN-style communication, which is why the MC68332 family dominated servo and spindle-drive designs of the 1990s.
Рекомендуется
Automotive Engine Control Modules
The MC68LK332GCAG16 was designed into automotive engine and transmission ECUs where the TPU handles fuel-injection timing and the QSM provides queued serial diagnostics. Its 5V supply tolerance and 144-LQFP package support the legacy 5V ECU backplanes common in vehicles of the late 1990s and early 2000s. The 16.78 MHz CPU32 executes ignition and fuel maps fast enough for 4-cylinder engines at 6000 RPM. Although new automotive designs use 3.3V S12 and S32K parts, the MC68LK332 remains in service in long-life commercial-vehicle and industrial-machinery ECUs where redesign cost outweighs silicon cost.
Рекомендуется
Serial Communications Gateway
The MC68LK332GCAG16's Queued Serial Module (QSM) provides hardware-managed SPI and SCI channels with FIFOs, making the part a natural choice for serial-protocol gateway and protocol-converter designs. The CPU32 core at 16.78 MHz can sustain aggregate serial throughput in the low-Mbps range, sufficient for industrial RS-232/RS-485 multi-drop networks and SCADA front-ends. Designers typically pair the MC68LK332 with external UART transceivers and use the IMB bus to expose the gateway registers to a host controller. The ROMless architecture lets the firmware be field-updated through the serial port itself.
Рекомендуется
Anti-Lock Braking System (ABS) Controller
Classic ABS designs of the 1990s used the MC68332 family because the TPU could sample wheel-speed sensors and generate brake-pressure PWM independently of the main CPU. The MC68LK332GCAG16's 5V tolerance, 16.78 MHz CPU32, and 144-LQFP package matched the automotive 5V ECU architecture of that era. The QSM handled the diagnostic link to the rest of the vehicle network. Although ABS has since migrated to dedicated sensor-interface ICs, the MC68LK332 remains in long-term service in commercial-vehicle ABS retrofits where the installed base of 144-LQFP boards is too expensive to redesign.
Рекомендуется
Transmission Control Unit (TCU)
Transmission control units of the late 1990s used the MC68332 family for gear-shift scheduling and clutch-pedal PWM generation. The MC68LK332GCAG16's TPU drives shift solenoids while the QSM communicates with the engine ECU and the body controller. Its 5V supply matched the 5V transmission harness and its 144-LQFP footprint fit the dense TCU PCB. New TCU designs use 32-bit PowerPC and ARM Cortex-R parts, but the installed base of MC68LK332-based TCUs is still in service in commercial trucks and agricultural equipment with multi-decade support lifetimes.
Рекомендуется
Industrial Robotic Controller
Pre-CANopen factory robots used the MC68LK332GCAG16 as a joint-controller, with the TPU generating multi-axis servo PWM and the QSM handling the proprietary servo-loop bus. The 16.78 MHz CPU32 ran the proportional-integral-derivative loop at a 1 kHz rate, sufficient for hydraulic and small-DC servo robots. The 144-LQFP package fit the joint-mounted controller housings common in 6-axis robots of that era. Although modern robotics support industrial-grade ARM Cortex-R and x86 SBCs, the MC68LK332 is still deployed in long-life robotic cells where the surrounding mechanics, not the controller, define the product lifecycle.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для MC68LK332GCAG16 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | MC68LK332ACAG16 | MC68332GVAG16 | MC68332ACAG20 | MC68332ACAG16 | MC68332GCAG20 | MC9S12XEQ384CAG |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 144-LQFP (20x20) | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP (20x20) - same | 144-LQFP - same |
| Core Architecture | CPU32 (32-bit M68300) | CPU32 (32-bit M68300) | CPU32 (32-bit M68300) | CPU32 (32-bit M68300) | CPU32 (32-bit M68300) | CPU32 (32-bit M68300) | S12X (16-bit) |
| Maximum Clock Frequency | 16.78 MHz | 16.78 MHz | 16 MHz (-4.6%) | 20 MHz (+19%) | 16 MHz (-4.6%) | 20 MHz (+19%) | 50 MHz (S12X) |
| Program Memory Type | ROMless | ROMless | ROMless | ROMless | ROMless | ROMless | Flash (384 KB) |
| On-chip RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 32 KB |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | 3.3 V / 5 V tolerant I/O |
| On-chip TPU | Yes | Yes | Yes | Yes | Yes | Yes | Enhanced Timer (ETPU) |
| On-chip QSM | Yes | Yes | Yes | Yes | Yes | Yes | SCI/SPI (no Q) |
| Lifecycle Status | EOL | EOL | EOL | EOL | EOL | EOL | Active |
Ключевые отличия
- CPU32 32-bit core at 16.78 MHz with integrated TPU and QSM (против MC68LK332ACAG16)
- Pin-compatible 20 MHz speed grade option (против MC68332ACAG20)
- Drop-in on the 144-LQFP M68332 family footprint (против MC9S12XEQ384CAG)
Заметки по проектированию
The MC68LK332GCAG16 is a 5V part. Supply decoupling must follow the NXP MC68332 family reference design: at least one 10 uF tantalum and one 0.1 uF ceramic cap on each VDD/VSS pair, placed within 5 mm of the supply pins. Long-term EOL stock may include date codes with different decoupling recommendations; cross-check the lot's datasheet revision before reusing the same BOM. The 144-LQFP exposes 6-8 VDD/VSS pairs that all need local decoupling for the high-current address/data bus transitions.
At 16.78 MHz the MC68LK332GCAG16 dissipates under 0.5 W typically and the 144-LQFP (20x20) thermal pad is the main heat path. Estimated: with theta_JA of approximately 45 C/W on a 4-layer PCB with 2 oz copper, junction temperature rise at 0.5 W is roughly 22 C above ambient, well within the industrial -40C to +85C range. Designers do not need an external heatsink, but adequate PCB copper (ground plane connected to thermal pad) is essential.
Because the part is ROMless, the entire external address (ADDR0-ADDR23), data (DATA0-DATA15), and bus-control (AS, DS, R/W, FC0-FC2) signals must be routed to external program memory and peripheral devices. Trace length matching is not critical at 16.78 MHz, so a standard two-layer or four-layer PCB is sufficient. Keep the address and data buses short to avoid ringing, and place external memory as close as possible to the part. The TPU and QSM signals should route to their connectors with 50 ohm controlled impedance if the cable exceeds 50 mm.
Do not assume firmware compatibility between the LK, GV, AC, and GC suffix variants without checking the NXP errata documents - mask revisions change peripheral register behavior in subtle ways. The MC68LK332GCAG16 is in NXP's End-of-Life portfolio, so new designs should plan for last-time-buy or migrate to a ColdFire V2/V3 successor. Also note: the part is ROMless, so a missing or mis-programmed external EPROM/Flash will cause the CPU32 to execute garbage and the bus error pin will toggle, which is the diagnostic symptom to look for during bring-up.
Информация о соответствии
RoHS, REACH, lead-free, and halogen-free statuses are not explicitly listed in the verified web data; designers should request the lot-specific environmental data from Rochester Electronics (the authorized aftermarket supplier) before placing the part into a RoHS-bound production line. AEC-Q100 is not_applicable for this industrial-grade MCU.