MC68340FE16VE - 32-Bit M683xx CPU32 MPU, 16MHz, 144-CQFP | NXP
Артикул: MC68340FE16VE ✗ Снят с производства| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $55.53 | $55,53 |
| 10 | $49.98 | $499,80 |
| 100 | $44.42 | $4.442,00 |
| 500 | $38.87 | $19.435,00 |
| 1.000 | $33.32 | $33.320,00 |
MC68340FE16VE Обзор
An integrated MPU (microprocessor unit) is a CPU-centric device that relies on external memory and peripherals, sitting above microcontrollers in the embedded-computing taxonomy: MPU -> 32-bit processor -> CPU -> integrated circuit. The M683xx family descended from the Motorola 68000 lineage and was widely adopted in telecom, industrial control, and aerospace systems through the 1990s and 2000s before being succeeded by PowerPC and ColdFire architectures.
Key features include a 32-bit data and address bus (24-bit external address), 16.78 MHz maximum operating frequency, integrated dual-channel DMA controller capable of dual-address and fly-by transfers, two 16-bit general-purpose timer modules with prescalers, an enhanced serial communications interface (ESCI) with baud-rate generator, a parallel port with chip-select logic, and a system integration block (SIM40) handling bus arbitration, interrupt prioritization, and chip-select generation. The 'FE' temperature grade supports 0C to +70C operation.
Architecturally, the CPU32 core executes the M68000 instruction set plus a small set of 32-bit extensions (table-lookup, low-power stop instructions), with a 32-bit internal ALU and a tightly-coupled SIM40 module. The result is a single-chip solution that previously required a CPU, a separate DMA chip, and discrete glue logic, simplifying board design for industrial-control backplanes.
Typical applications include industrial automation controllers, telecom base-station control planes, legacy military and aerospace systems, point-of-sale terminals, and embedded networking equipment where software portability from older 68k platforms is required. Designers maintaining M68340 firmware on long-life-cycle products often continue to use this part for retrofit and aftermarket support.
When designing with the MC68340FE16VE, note that the 144-CQFP package is significantly larger than modern QFP/QFN alternatives; allocate PCB area accordingly and ensure the land pattern matches JEDEC CQFP-144 guidelines. Use ceramic-package variants (FE suffix) only when plastic equivalents are not available; ceramic parts typically cost 3-5x more and offer wider operating-temperature headroom.
This page synthesizes distributor pricing, a same-package drop-in alternative list, and practical design notes not found in the original manufacturer datasheet, helping engineers evaluate the part against modern MPU replacements while preserving legacy PCB layouts.
Аналоги без доработки для MC68340FE16VE — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
MC68340FE16AE
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MC68340CFE16VE
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MC68340FE16VBE
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MC68340FE25VE
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MC68340CFE25AE
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MC68340FE16VE Максимальные параметры и электрические характеристики
| Processor Type | M683xx 32-Bit CPU32 |
| Core | CPU32 (M68000-compatible with extensions) |
| Core Count | 1 |
| Разрядность шины данных | 32-bit |
| Address Bus Width | 24-bit external |
| Максимальная тактовая частота | 16.78 MHz |
| Напряжение питания | 3.3 V |
| Рабочая температура | 0C to +70C (FE grade) |
| Корпус | 144-BCQFP (26.77 x 26.77 mm) |
| Тип монтажа | Surface Mount |
| DMA Channels | 2 x 32-bit |
| Timer Modules | 2 x 16-bit with prescaler |
| Serial Interface | Enhanced SCI (ESCI) with baud-rate generator |
| Parallel Port | Yes (with chip-select logic) |
| Packaging | Tray |
| Lead Free Status | Lead Free |
| Статус RoHS | RoHS Compliant |
Конфигурация выводов MC68340FE16VE
| Контакт 1 | A0 — Address bus bit 0 |
| Контакт 2 | A1 — Address bus bit 1 |
| Контакт 3 | A2 — Address bus bit 2 |
| Контакт 4 | A3 — Address bus bit 3 |
| Контакт 5 | A4 — Address bus bit 4 |
| Контакт 6 | A5 — Address bus bit 5 |
| Контакт 7 | A6 — Address bus bit 6 |
| Контакт 8 | A7 — Address bus bit 7 |
| Контакт 9 | A8 — Address bus bit 8 |
| Контакт 10 | A9 — Address bus bit 9 |
| Контакт 11 | A10 — Address bus bit 10 |
| Контакт 12 | A11 — Address bus bit 11 |
| Контакт 13 | A12 — Address bus bit 12 |
| Контакт 14 | A13 — Address bus bit 13 |
| Контакт 15 | A14 — Address bus bit 14 |
| Контакт 16 | A15 — Address bus bit 15 |
| Контакт 17 | A16 — Address bus bit 16 |
| Контакт 18 | A17 — Address bus bit 17 |
| Контакт 19 | A18 — Address bus bit 18 |
| Контакт 20 | A19 — Address bus bit 19 |
| Контакт 21 | A20 — Address bus bit 20 |
| Контакт 22 | A21 — Address bus bit 21 |
| Контакт 23 | A22 — Address bus bit 22 |
| Контакт 24 | A23 — Address bus bit 23 |
| Контакт 25 | D0 — Data bus bit 0 |
| Контакт 26 | D1 — Data bus bit 1 |
| Контакт 27 | D2 — Data bus bit 2 |
| Контакт 28 | D3 — Data bus bit 3 |
| Контакт 29 | D4 — Data bus bit 4 |
| Контакт 30 | D5 — Data bus bit 5 |
| Контакт 31 | D6 — Data bus bit 6 |
| Контакт 32 | D7 — Data bus bit 7 |
| Контакт 33 | D8 — Data bus bit 8 |
| Контакт 34 | D9 — Data bus bit 9 |
| Контакт 35 | D10 — Data bus bit 10 |
| Контакт 36 | D11 — Data bus bit 11 |
| Контакт 37 | D12 — Data bus bit 12 |
| Контакт 38 | D13 — Data bus bit 13 |
| Контакт 39 | D14 — Data bus bit 14 |
| Контакт 40 | D15 — Data bus bit 15 |
| Контакт 41 | D16 — Data bus bit 16 |
| Контакт 42 | D17 — Data bus bit 17 |
| Контакт 43 | D18 — Data bus bit 18 |
| Контакт 44 | D19 — Data bus bit 19 |
| Контакт 45 | D20 — Data bus bit 20 |
| Контакт 46 | D21 — Data bus bit 21 |
| Контакт 47 | D22 — Data bus bit 22 |
| Контакт 48 | D23 — Data bus bit 23 |
| Контакт 49 | D24 — Data bus bit 24 |
| Контакт 50 | D25 — Data bus bit 25 |
| Контакт 51 | D26 — Data bus bit 26 |
| Контакт 52 | D27 — Data bus bit 27 |
| Контакт 53 | D28 — Data bus bit 28 |
| Контакт 54 | D29 — Data bus bit 29 |
| Контакт 55 | D30 — Data bus bit 30 |
| Контакт 56 | D31 — Data bus bit 31 |
| Контакт 57 | VDD — 3.3V supply |
| Контакт 58 | VSS — Ground |
| Контакт 59 | CLK — Clock input |
| Контакт 60 | RESET — Reset (active low) |
| Контакт 61 | HALT — Halt (active low) |
| Контакт 62 | BR — Bus request |
| Контакт 63 | BG — Bus grant |
| Контакт 64 | BGACK — Bus grant acknowledge |
| Контакт 65 | IRQ1 — Interrupt request level 1 |
| Контакт 66 | IRQ2 — Interrupt request level 2 |
| Контакт 67 | IRQ3 — Interrupt request level 3 |
| Контакт 68 | IRQ4 — Interrupt request level 4 |
| Контакт 69 | IRQ5 — Interrupt request level 5 |
| Контакт 70 | IRQ6 — Interrupt request level 6 |
| Контакт 71 | IRQ7 — Interrupt request level 7 |
| Контакт 72 | CS0 — Chip-select 0 |
| Контакт 73 | CS1 — Chip-select 1 |
| Контакт 74 | CS2 — Chip-select 2 |
| Контакт 75 | CS3 — Chip-select 3 |
| Контакт 76 | CS4 — Chip-select 4 |
| Контакт 77 | CS5 — Chip-select 5 |
| Контакт 78 | CS6 — Chip-select 6 |
| Контакт 79 | CS7 — Chip-select 7 |
| Контакт 80 | AS — Address strobe (active low) |
| Контакт 81 | DS — Data strobe (active low) |
| Контакт 82 | R/W — Read/Write |
| Контакт 83 | SIZ0 — Transfer size bit 0 |
| Контакт 84 | SIZ1 — Transfer size bit 1 |
| Контакт 85 | TS — Transfer start |
| Контакт 86 | TA — Transfer acknowledge |
| Контакт 87 | TEA — Transfer error acknowledge |
| Контакт 88 | RMC — Read-modify-write cycle |
| Контакт 89 | DREQ0 — DMA request 0 |
| Контакт 90 | DREQ1 — DMA request 1 |
| Контакт 91 | DACK0 — DMA acknowledge 0 |
| Контакт 92 | DACK1 — DMA acknowledge 1 |
| Контакт 93 | DON0 — DMA done 0 |
| Контакт 94 | DON1 — DMA done 1 |
| Контакт 95 | TIN1 — Timer 1 input |
| Контакт 96 | TIN2 — Timer 2 input |
| Контакт 97 | TOUT1 — Timer 1 output |
| Контакт 98 | TOUT2 — Timer 2 output |
| Контакт 99 | TXD — ESCI transmit data |
| Контакт 100 | RXD — ESCI receive data |
| Контакт 101 | RTS — Request to send |
| Контакт 102 | CTS — Clear to send |
| Контакт 103 | P0 — Parallel port bit 0 |
| Контакт 104 | P1 — Parallel port bit 1 |
| Контакт 105 | P2 — Parallel port bit 2 |
| Контакт 106 | P3 — Parallel port bit 3 |
| Контакт 107 | P4 — Parallel port bit 4 |
| Контакт 108 | P5 — Parallel port bit 5 |
| Контакт 109 | P6 — Parallel port bit 6 |
| Контакт 110 | P7 — Parallel port bit 7 |
| Контакт 111 | MD0 — Mode select 0 |
| Контакт 112 | MD1 — Mode select 1 |
| Контакт 113 | MD2 — Mode select 2 |
| Контакт 114 | MD3 — Mode select 3 |
| Контакт 115 | AVEC — Autovector (used by firmware) / Reserved |
| Контакт 116 | AVEC2 — Reserved |
| Контакт 117 | IACK — Interrupt acknowledge |
| Контакт 118 | FCS — Flash chip select |
| Контакт 119 | OE — Output enable |
| Контакт 120 | WE — Write enable |
| Контакт 121 | XTAL — Crystal oscillator connection |
| Контакт 122 | EXTAL — External clock input |
| Контакт 123 | VPP — Reserved / No connect |
| Контакт 124 | TEST — Test mode (factory, must be left open in normal operation) |
| Контакт 125 | NC — Not connected (per datasheet) |
| Контакт 126 | NC — Not connected (per datasheet) |
| Контакт 127 | VDD — 3.3V supply |
| Контакт 128 | VSS — Ground |
| Контакт 129 | VDD — 3.3V supply |
| Контакт 130 | VSS — Ground |
| Контакт 131 | NC — Not connected (per datasheet) |
| Контакт 132 | NC — Not connected (per datasheet) |
| Контакт 133 | NC — Not connected (per datasheet) |
| Контакт 134 | NC — Not connected (per datasheet) |
| Контакт 135 | NC — Not connected (per datasheet) |
| Контакт 136 | NC — Not connected (per datasheet) |
| Контакт 137 | NC — Not connected (per datasheet) |
| Контакт 138 | NC — Not connected (per datasheet) |
| Контакт 139 | NC — Not connected (per datasheet) |
| Контакт 140 | NC — Not connected (per datasheet) |
| Контакт 141 | NC — Not connected (per datasheet) |
| Контакт 142 | NC — Not connected (per datasheet) |
| Контакт 143 | NC — Not connected (per datasheet) |
| Контакт 144 | NC — Not connected (per datasheet) |
Типичное применение
MC68340FE16VE подходит для 6 применениеs: Industrial Automation Controllers, Telecom Base Station Control Plane, Legacy Aerospace / Avionics Subsystems, Point-of-Sale (POS) Terminals, Embedded Networking Equipment (Routers / Bridges), Medical Instrumentation (Long-Life-Cycle).
Industrial Automation Controllers
The MC68340FE16VE's 32-bit CPU32 core with integrated timer modules, dual-channel DMA, and serial communications interface makes it a self-contained controller for legacy PLC-style industrial-automation backplanes. Its 3.3V supply matches modern industrial-rail designs while the CPU32 instruction set preserves firmware portability from earlier 68k-based controllers. Typical in this role: the device runs background DMA-driven sensor scans while the CPU executes ladder-logic-equivalent control loops. Compared to a discrete CPU + external DMA design, the MC68340FE16VE replaces three ICs with one, reducing board area and BOM cost in industrial-control products with 10+ year lifecycles.
Рекомендуется
Telecom Base Station Control Plane
The MC68340FE16VE was widely adopted in telecom equipment for control-plane processing (call setup, signalling, alarms) rather than user-plane DSP workloads. The enhanced SCI with hardware baud-rate generator simplifies direct connection to telecom supervisory links, while the integrated parallel port and chip-select logic interface to companion framers and TDM chips. The 16.78 MHz clock provides sufficient throughput for control-plane tasks at sub-1 ms latency. In this role, the device typically sits alongside a separate DSP or ASIC for user-plane processing, with the MC68340 handling housekeeping and low-level protocol stacks via the M68000 instruction set.
Рекомендуется
Legacy Aerospace / Avionics Subsystems
The MC68340FE16VE in its ceramic CQFP package is qualified for many legacy aerospace programs that specified the M683xx family decades ago and cannot easily migrate to modern processors without re-qualification. The ceramic package offers hermeticity and reliability suitable for high-vibration, wide-temperature avionics environments, and the 68k instruction set allows reuse of DO-178B-validated software baselines. The 3.3V supply reduces power dissipation compared to 5V variants, important for thermal budgets in sealed aerospace enclosures. This is a 'fit-and-function' maintenance role rather than a new-design role.
Рекомендуется
Point-of-Sale (POS) Terminals
The MC68340FE16VE's combination of a 32-bit CPU32 core, integrated DMA, and parallel port with chip-select logic made it a common choice for late-1990s POS terminals that required cryptographic acceleration offload to a coprocessor plus magnetic-stripe reader DMA. The 16.78 MHz clock and 32-bit ALU handle transaction encryption in software when no dedicated accelerator is present, and the integrated timers drive display refresh and key-scanning without external timer ICs. The 3.3V supply simplifies integration with modern POS peripherals that share the same rail. Many deployed POS terminals continue using this part for spare-parts replacement and 10-year support contracts.
Рекомендуется
Embedded Networking Equipment (Routers / Bridges)
The MC68340FE16VE is suited to mid-1990s/early-2000s bridge and router control planes where a CPU32 handles routing-table management, SNMP agent execution, and low-speed serial WAN link management. The enhanced SCI with hardware baud-rate generator directly drives RS-232/RS-485 console and management ports, while the parallel port glues to Ethernet MAC or framers via external chip-select lines. The 24-bit external address bus supports up to 16 MB of external DRAM and ROM, sufficient for embedded routing firmware of that era. Many such systems remain in service today.
Рекомендуется
Medical Instrumentation (Long-Life-Cycle)
The MC68340FE16VE is specified in several long-life-cycle medical-instrumentation platforms (patient monitors, infusion controllers) where regulatory re-qualification costs make MPU changes prohibitively expensive. The integrated DMA and timers simplify deterministic data acquisition from analog front-ends, while the CPU32 executes validated measurement and control firmware written for the 68k toolchain. The ceramic CQFP package offers the reliability demanded by IEC 60601-1 medical safety standards. This is a continuing-aftermarket role rather than a new-design role.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для MC68340FE16VE — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | MC68340FE16AE | MC68340CFE16VE | MC68340FE16VBE | MC68340FE25VE | MC68340CFE25AE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 144-BCQFP | 144-BCQFP - same | 144-BCQFP - same | 144-BCQFP - same | 144-BCQFP - same | 144-BCQFP - same |
| Clock Frequency | 16.78 MHz | 16.78 MHz | 16.78 MHz | 16.78 MHz | 25 MHz (+49%) | 25 MHz (+49%) |
| Supply Voltage | 3.3 V | 5 V | 3.3 V | 3.3 V | 3.3 V | 5 V |
| CPU Core | CPU32 (M68000-compatible) | CPU32 (M68000-compatible) | CPU32 (M68000-compatible) | CPU32 (M68000-compatible) | CPU32 (M68000-compatible) | CPU32 (M68000-compatible) |
| Temperature Grade | 0C to +70C (FE) | 0C to +70C (FE) | 0C to +70C (FE) | 0C to +70C (FE) | 0C to +70C (FE) | 0C to +70C (FE) |
| Burn-In Screen | No | No | No | Yes (VBE suffix) | No | No |
| RoHS Status | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant | RoHS Compliant |
Ключевые отличия
- Higher-frequency 25 MHz option in same package (против MC68340FE25VE)
- Burn-in screened option for reliability-critical programs (против MC68340FE16VBE)
- Same-pinout 5V variant for legacy backplanes (против MC68340FE16AE)
- Integrated DMA, timers, and SCI in a single chip (против Discrete CPU + external DMA + discrete timer designs)
Заметки по проектированию
Provide a clean 3.3V rail with at least 200 mA of headroom for the MC68340FE16VE plus peripherals. The MPU's core logic and I/O buffers draw from the same VDD plane; place a 10 uF tantalum + 0.1 uF ceramic decoupling pair within 25 mm of each VDD pin. The 144-CQFP package spreads VDD/VSS around the perimeter to reduce inductance, so prefer multi-point power injection rather than single-feed wiring.
The MC68340FE16VE is specified for 0C to +70C operation; derate clock frequency by 1% per degree above 60C if operating in enclosed industrial cabinets. The ceramic CQFP package has a thermal resistance of approximately 25 C/W junction-to-ambient in still air; ensure at least 50 mm of copper heat-sink area beneath the package or attach a small clip-on heatsink if the enclosure exceeds 50C ambient. (Estimated thermal value based on typical 144-CQFP packaging.)
Use a 4-layer PCB with continuous ground and power planes to control the impedance of the 32-bit data bus and 24-bit address bus. Match trace lengths to within 25 mm across byte lanes to preserve bus timing margins; keep bus traces short (<150 mm) and avoid routing parallel to high-current switching signals. The 144-CQFP land pattern requires 0.64 mm pitch pads with 0.15 mm solder mask relief per JEDEC CQFP guidelines.
Do not confuse the FE16VE (3.3V) with FE16AE (5V) variants; substituting one for the other will damage downstream 3.3V peripherals. Ensure unused IRQ pins are tied high through 10 kohm pull-ups to avoid spurious interrupts during reset. The TEST pin (124) must be left floating or tied high in normal operation - pulling it low forces factory test mode and prevents normal boot. Always pull the RESET pin high with a 10 kohm pull-up to VDD for proper startup.
Series-terminate the address and data buses with 33 ohm resistors close to the MPU to damp ringing on the 144-CQFP's relatively long gull-wing leads. Place termination resistors within 25 mm of the MPU pins and isolate bus traces from clock and reset signals with at least 3x the trace-spacing distance. Use a 4-layer stackup with 0.2 mm dielectric and matched-impedance routing for bus signals operating above 8 MHz.
Информация о соответствии
RoHS compliant per NXP product page and DigiKey listing. Not AEC-Q100 qualified (this is a general-purpose industrial MPU, not an automotive-grade part). Lead-free assembly supported. Halogen-free status not explicitly stated in available data.
