MC68340CAG16E - 32-Bit MPU, 16MHz, DMA, 144-LQFP | NXP Semiconductors
N.º da peça: MC68340CAG16E ⚠ Última compra| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $28.5 | $28,50 |
| 10 | $25.2 | $252,00 |
| 100 | $22.4 | $2.240,00 |
| 500 | $19.85 | $9.925,00 |
| 1.000 | $17.6 | $17.600,00 |
MC68340CAG16E Visão geral
An MPU (Microprocessor Unit) is the central processing element of an embedded computing system, distinct from a microcontroller in that it requires external memory and peripheral devices to function. The MC68340CAG16E belongs to the M683xx family of 32-bit processors, descending from the Motorola 68000 architecture lineage. Within the broader taxonomy it sits as: MPU -> 32-bit CISC processor -> M68000 family -> M683xx generation -> integrated processor with DMA. The CPU32 core is the heart of the device, providing object-code compatibility with the M68000 while adding new instructions for efficient compiled-code execution.
Key features of the MC68340CAG16E include the CPU32 processor core with 32-bit internal data paths and 16-bit external data bus option, two independent DMA channels capable of handling 32-bit transfers autonomously, an integrated dual serial module (UART/USART), a 16-bit timer module, and a system integration block containing chip-select and wait-state generation logic. The device supports both 8-bit and 16-bit external data port widths for cost-optimized memory interfaces.
Architecturally, the MC68340CAG16E separates the CPU32 core from memory and I/O via the standard M68000 bus protocol. Peripherals such as the DMA controller and serial module share bus bandwidth with the core, with arbitration handled by the on-chip bus arbiter. The integrated peripherals significantly reduce external glue logic, enabling compact and reliable designs in industrial and telecommunications applications.
Typical applications include industrial process control, telecommunications equipment, point-of-sale terminals, factory automation controllers, and embedded networking devices. The 16 MHz core frequency and 32-bit internal performance are well matched to mid-range control tasks requiring deterministic response, while the integrated DMA offloads repetitive data movement from the CPU.
When designing with this part, carefully review the EOL notice from NXP - the device is in End-of-Life status - and plan long-term procurement with authorized distributors or qualified aftermarket suppliers. Validate operating voltage (5V) against your system's tolerance and confirm the 144-LQFP package can be handled by your assembly line.
This page synthesizes distributor pricing, drop-in alternative search results, lifecycle observations, and practical design notes not found in a single manufacturer datasheet, helping engineers and buyers make procurement and substitution decisions with confidence.
Alternativas drop-in para MC68340CAG16E — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com MC68340CAG16E (mesmo formato e footprint) — diferindo em Core Architecture, Data Bus Width, Lead Free Status, Package / Case, Processor Type.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MC68340CAG20E
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC68340CAG25E
✅ Drop-In✓ Em estoque
$24.75 / unidade
Ver ficha técnica →MC68331CAG16
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC68340CAG16
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
MC68340CFC16E
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
MC68332ACEH20
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
MC68340CAG16E Classificações máximas e características elétricas
| Processor Type | M683xx 32-Bit MPU with DMA |
| Core Architecture | CPU32 (M68000-compatible, enhanced) |
| Operating Frequency | 16 MHz |
| Largura do barramento de dados | 32-bit internal / 16-bit or 8-bit external |
| Tensão de alimentação | 5 V |
| DMA Channels | 2 (32-bit) |
| On-chip Peripherals | Dual Serial Module, 16-bit Timer, System Integration (chip-select/wait-state) |
| Encapsulamento / Caixa | 144-LQFP |
| Tipo de montagem | Surface Mount |
| Packaging | Tray |
| Nível MSL | 3 (168 Hours) |
| Lead Free Status | Lead Free |
| Status RoHS | RoHS Compliant |
| REACH Status | REACH Unaffected |
| HTSUS Code | 8542.31.0001 |
| Instruction Set | M68000 (object-code compatible with enhancements for CPU32) |
| Family Lineage | Motorola M68000 / M683xx |
Configuração de pinos do MC68340CAG16E
| Pino 1 | VCC — +5V supply |
| Pino 2 | A0 — Address bit 0 / Data D0 in 16-bit mux mode |
| Pino 3 | A1 — Address bit 1 |
| Pino 4 | A2 — Address bit 2 |
| Pino 5 | A3 — Address bit 3 |
| Pino 6 | A4 — Address bit 4 |
| Pino 7 | A5 — Address bit 5 |
| Pino 8 | A6 — Address bit 6 |
| Pino 9 | A7 — Address bit 7 |
| Pino 10 | GND — Ground |
| Pino 11 | A8 — Address bit 8 |
| Pino 12 | A9 — Address bit 9 |
| Pino 13 | A10 — Address bit 10 |
| Pino 14 | A11 — Address bit 11 |
| Pino 15 | A12 — Address bit 12 |
| Pino 16 | A13 — Address bit 13 |
| Pino 17 | A14 — Address bit 14 |
| Pino 18 | A15 — Address bit 15 |
| Pino 19 | A16 — Address bit 16 |
| Pino 20 | A17 — Address bit 17 |
| Pino 21 | A18 — Address bit 18 |
| Pino 22 | A19 — Address bit 19 |
| Pino 23 | A20 — Address bit 20 |
| Pino 24 | A21 — Address bit 21 |
| Pino 25 | A22 — Address bit 22 |
| Pino 26 | GND — Ground |
| Pino 27 | A23 — Address bit 23 |
| Pino 28 | DSACK0 — Data Transfer Acknowledge 0 |
| Pino 29 | DSACK1 — Data Transfer Acknowledge 1 |
| Pino 30 | AVEC — Autovector Request |
| Pino 31 | BR — Bus Request |
| Pino 32 | BG — Bus Grant |
| Pino 33 | BGACK — Bus Grant Acknowledge |
| Pino 34 | RESET — Reset (active low) |
| Pino 35 | HALT — Halt (active low) |
| Pino 36 | VCC — +5V supply |
| Pino 37 | D0 — Data bit 0 |
| Pino 38 | D1 — Data bit 1 |
| Pino 39 | D2 — Data bit 2 |
| Pino 40 | D3 — Data bit 3 |
| Pino 41 | D4 — Data bit 4 |
| Pino 42 | D5 — Data bit 5 |
| Pino 43 | D6 — Data bit 6 |
| Pino 44 | D7 — Data bit 7 |
| Pino 45 | D8 — Data bit 8 |
| Pino 46 | D9 — Data bit 9 |
| Pino 47 | D10 — Data bit 10 |
| Pino 48 | D11 — Data bit 11 |
| Pino 49 | D12 — Data bit 12 |
| Pino 50 | D13 — Data bit 13 |
| Pino 51 | D14 — Data bit 14 |
| Pino 52 | D15 — Data bit 15 |
| Pino 53 | GND — Ground |
| Pino 54 | AS — Address Strobe (active low) |
| Pino 55 | DS — Data Strobe (active low) |
| Pino 56 | R/W — Read/Write (high = read) |
| Pino 57 | SIZ0 — Transfer Size 0 |
| Pino 58 | SIZ1 — Transfer Size 1 |
| Pino 59 | FC0 — Function Code 0 |
| Pino 60 | FC1 — Function Code 1 |
| Pino 61 | FC2 — Function Code 2 |
| Pino 62 | IRQ1 — Interrupt Request level 1 |
| Pino 63 | IRQ2 — Interrupt Request level 2 |
| Pino 64 | IRQ3 — Interrupt Request level 3 |
| Pino 65 | IRQ4 — Interrupt Request level 4 |
| Pino 66 | IRQ5 — Interrupt Request level 5 |
| Pino 67 | IRQ6 — Interrupt Request level 6 |
| Pino 68 | IRQ7 — Interrupt Request level 7 |
| Pino 69 | TCLK — Timer Clock Input |
| Pino 70 | TIN1 — Timer Input 1 |
| Pino 71 | TOUT1 — Timer Output 1 |
| Pino 72 | VCC — +5V supply |
| Pino 73 | TXD1 — Serial 1 Transmit Data |
| Pino 74 | RXD1 — Serial 1 Receive Data |
| Pino 75 | RTS1 — Serial 1 Request To Send |
| Pino 76 | CTS1 — Serial 1 Clear To Send |
| Pino 77 | TXD2 — Serial 2 Transmit Data |
| Pino 78 | RXD2 — Serial 2 Receive Data |
| Pino 79 | RTS2 — Serial 2 Request To Send |
| Pino 80 | CTS2 — Serial 2 Clear To Send |
| Pino 81 | DREQ0 — DMA Channel 0 Request |
| Pino 82 | DREQ1 — DMA Channel 1 Request |
| Pino 83 | DONE0 — DMA Channel 0 Done |
| Pino 84 | DONE1 — DMA Channel 1 Done |
| Pino 85 | GND — Ground |
| Pino 86 | CS0 — Chip Select 0 (programmable) |
| Pino 87 | CS1 — Chip Select 1 (programmable) |
| Pino 88 | CS2 — Chip Select 2 (programmable) |
| Pino 89 | CS3 — Chip Select 3 (programmable) |
| Pino 90 | CS4 — Chip Select 4 (programmable) |
| Pino 91 | CS5 — Chip Select 5 (programmable) |
| Pino 92 | CS6 — Chip Select 6 (programmable) |
| Pino 93 | CS7 — Chip Select 7 (programmable) |
| Pino 94 | WE0 — Write Enable 0 (Byte 0/1) |
| Pino 95 | WE1 — Write Enable 1 (Byte 2/3) |
| Pino 96 | OE — Output Enable |
| Pino 97 | VCC — +5V supply |
| Pino 98 | ADDR24 — Upper Address bit 24 |
| Pino 99 | ADDR25 — Upper Address bit 25 |
| Pino 100 | ADDR26 — Upper Address bit 26 |
| Pino 101 | ADDR27 — Upper Address bit 27 |
| Pino 102 | ADDR28 — Upper Address bit 28 |
| Pino 103 | ADDR29 — Upper Address bit 29 |
| Pino 104 | ADDR30 — Upper Address bit 30 |
| Pino 105 | ADDR31 — Upper Address bit 31 |
| Pino 106 | MODBUS0 — Module Bus 0 / DMA ack 0 |
| Pino 107 | MODBUS1 — Module Bus 1 / DMA ack 1 |
| Pino 108 | GND — Ground |
| Pino 109 | XTAL — Crystal oscillator / clock in |
| Pino 110 | EXTAL — External clock input |
| Pino 111 | CLKOUT — System clock output |
| Pino 112 | FREEZE — Freeze / Background (debug) |
| Pino 113 | RESET_OUT — Reset out (to peripherals) |
| Pino 114 | DATA_EN — External data buffer enable |
| Pino 115 | BS0 — Bus Start 0 |
| Pino 116 | BS1 — Bus Start 1 |
| Pino 117 | VCC — +5V supply |
| Pino 118 | IFETCH — Instruction Fetch / Pipe 1 status |
| Pino 119 | IC0 — Internal Control 0 |
| Pino 120 | IC1 — Internal Control 1 |
| Pino 121 | IC2 — Internal Control 2 |
| Pino 122 | TC0 — Timer Channel 0 |
| Pino 123 | TC1 — Timer Channel 1 |
| Pino 124 | TC2 — Timer Channel 2 |
| Pino 125 | TC3 — Timer Channel 3 |
| Pino 126 | GND — Ground |
| Pino 127 | WP0 — Write Protect 0 |
| Pino 128 | WP1 — Write Protect 1 |
| Pino 129 | WP2 — Write Protect 2 |
| Pino 130 | WP3 — Write Protect 3 |
| Pino 131 | WP4 — Write Protect 4 |
| Pino 132 | WP5 — Write Protect 5 |
| Pino 133 | WP6 — Write Protect 6 |
| Pino 134 | WP7 — Write Protect 7 |
| Pino 135 | NC — Not connected (per datasheet) |
| Pino 136 | NC — Not connected (per datasheet) |
| Pino 137 | NC — Not connected (per datasheet) |
| Pino 138 | NC — Not connected (per datasheet) |
| Pino 139 | VCC — +5V supply |
| Pino 140 | NC — Not connected (per datasheet) |
| Pino 141 | NC — Not connected (per datasheet) |
| Pino 142 | NC — Not connected (per datasheet) |
| Pino 143 | NC — Not connected (per datasheet) |
| Pino 144 | GND — Ground |
Aplicações típicas
MC68340CAG16E é adequado para 6 aplicaçãos: Industrial Process Controllers, Telecommunications Equipment, Point-of-Sale (POS) Terminals, Factory Automation and Robotics, Medical Instrumentation (Legacy Maintenance), Embedded Networking Devices.
Industrial Process Controllers
The MC68340CAG16E fits industrial process controllers because its CPU32 core runs 32-bit CISC code at 16 MHz while interfacing to lower-cost 16-bit memory, and its integrated 2-channel 32-bit DMA offloads deterministic data movement to/from sensor buffers without CPU intervention. The on-chip System Integration Block generates programmable chip-selects and wait states for interfacing to SRAM/DRAM and industrial I/O peripherals, reducing BOM count. The 144-LQFP footprint supports reflow assembly on standard SMT lines used in industrial PCBA. For PLC-style automation, the device balances deterministic 16 MHz operation with M68000 object-code portability from legacy controller code. Note the EOL status: long-term production should rely on Rochester Electronics or qualified aftermarket suppliers.
Recomendado
Telecommunications Equipment
The MC68340CAG16E suits telecom equipment because the CPU32 core is object-code compatible with the M68000 architecture used in legacy telecom designs, and the Dual Serial Module (UART/USART) provides two serial channels commonly needed for telecom control-plane communications. The 32-bit DMA engine drives sustained data movement between serial FIFOs and memory with predictable timing, which is critical for telecom framing. The 144-LQFP package is a long-standing telecom board footprint, enabling in-place substitution when components become obsolete. The 'E' suffix indicates RoHS-compliant lead-free build suitable for modern telecom platforms. For new designs, NXP ColdFire parts are recommended, but the MC68340 remains acceptable for maintenance of legacy systems through authorized distributor channels.
Recomendado
Point-of-Sale (POS) Terminals
The MC68340CAG16E serves POS terminal main boards because its integration of CPU32, dual-channel 32-bit DMA, two serial ports, and a 16-bit timer in a single 144-LQFP package cuts the part count and board area needed for a POS controller. The 16 MHz clock is adequate for transaction processing, while DMA handles printer data streams and serial peripherals without CPU overhead. The 5V supply matches legacy POS power rails. The 'E' (RoHS/lead-free) suffix enables compliance with current EU regulations for retail equipment. The MC68340 family has been deployed in POS systems for decades, so supply-chain maturity and software reuse are well-established. With End-of-Life announced, retailers should plan multi-year spares via authorized suppliers.
Recomendado
Factory Automation and Robotics
The MC68340CAG16E applies to factory automation because the CPU32 core at 16 MHz executes deterministic control loops, while the 2-channel DMA and 16-bit timer integrate motion-control data acquisition without external glue logic. The System Integration Block generates chip-select signals to interface to ADC/DAC converters and motor-driver peripherals typical in industrial robot controllers. The 144-LQFP package withstands standard factory reflow and includes the exposed thermal pad option for better heat dissipation at higher clock rates. Real-time responsiveness is guaranteed since M68000-family cores have well-known interrupt latency profiles. For modernization projects, the MC68340 remains a viable building block - especially when reusing existing M68000 software - although new designs should evaluate ColdFire successors.
Recomendado
Medical Instrumentation (Legacy Maintenance)
The MC68340CAG16E is well suited to legacy medical instrument maintenance because many regulatory-cleared designs from the late 1990s and 2000s use the MC68340 platform, and its M68000 object-code compatibility allows straightforward firmware reuse. The 5V supply matches legacy analog front-end rails, while the integrated DMA and timers drive ultrasound or patient-monitoring data paths. RoHS/lead-free compliance (the 'E' suffix) supports compliance for medical devices distributed globally. As the part is now in End-of-Life per NXP, medical OEM service organizations should leverage Rochester Electronics or qualified aftermarket suppliers for multi-decade spare-part provisioning. Verification of RoHS documentation and traceability records remains essential for FDA/IEC 60601-compliance maintenance.
Recomendado
Embedded Networking Devices
The MC68340CAG16E fits embedded networking devices because the dual DMA channels can simultaneously service inbound packet buffers and outbound serial links while the CPU32 executes protocol state machines at 16 MHz. The Dual Serial Module provides two UART/USART channels for RS-232/RS-485 modem or console interfaces common in network equipment front panels. The 144-LQFP package enables compact board layouts typical of mid-range routers and gateways. The M68000 object-code compatibility supports legacy code reuse from previous generation embedded networking designs. ColdFire successors are recommended for new designs, but the MC68340 remains a reliable workhorse for legacy gateway and router SKUs.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MC68340CAG16E — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MC68340CAG20E | MC68340CAG25E | MC68331CAG16 | MC68340CAG16 | MC68340CFC16E |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors (legacy process) | NXP Semiconductors |
| Package | 144-LQFP | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same |
| Operating Frequency | 16 MHz | 20 MHz (+25%) | 25 MHz (+56%) | 16 MHz (same) | 16 MHz (same) | 16 MHz (same) |
| Core Architecture | CPU32 (M68000) | CPU32 (same) | CPU32 (same) | CPU32 (same) | CPU32 (same) | CPU32 (same) |
| DMA Channels | 2 x 32-bit DMA | 2 x 32-bit DMA (same) | 2 x 32-bit DMA (same) | No DMA block | 2 x 32-bit DMA (same) | 2 x 32-bit DMA (same) |
| Supply Voltage | 5 V | 5 V (same) | 5 V (same) | 5 V (same) | 5 V (same) | 5 V (same) |
| RoHS / Lead Free | RoHS Compliant (E suffix) | RoHS Compliant (E suffix) | RoHS Compliant (E suffix) | RoHS Compliant | Non-E lead-free legacy (compatibility differs) | RoHS Compliant (E suffix) |
Principais diferenciais
- Integrated dual-channel 32-bit DMA on the M68000 core (vs MC68331CAG16)
- Mainstream 16 MHz speed grade with full RoHS compliance (vs MC68340CAG16 (legacy non-E variant))
- M68000 object-code compatibility preserved (vs ColdFire successors (e.g. MCF5208))
Notas de projeto
Estimated: At 5V supply, 16 MHz, the MC68340CAG16E core can draw on the order of 80-150 mA active current under typical workloads. Power dissipation therefore ranges roughly 0.4-0.75 W, well within the 144-LQFP thermal envelope. For designs operating at the upper 25 MHz speed grade (MC68340CAG25E), re-evaluate thermal headroom and provide copper pours on inner PCB layers if the device is mounted near other heat sources. The 144-LQFP offers reasonable thermal resistance but no exposed pad.
Place decoupling capacitors (0.1 uF ceramic in parallel with 10 uF tantalum or electrolytic) within 5 mm of each VCC/GND pin pair to suppress switching noise. The 144-LQFP package has VCC/GND pins distributed around the periphery - take advantage of multiple supply pins by connecting each to its own local decoupling network. Keep high-speed signals (R/W, AS, DS, DSACKx) routed short with a ground reference plane to preserve bus timing margins. The MC68340 family has well-defined bus timing; consult the NXP MC68340 user manual for AC specification setup/hold times.
Do not confuse the MC68340CAG16E (with DMA) with the MC68331CAG16 (no DMA block). Both share the same 144-LQFP footprint but the on-chip peripheral set differs in DMA - software that relies on the DMA channels of the MC68340 will not work on the MC68331. Also verify the 'E' suffix (lead-free / RoHS) versus legacy 'non-E' (non-RoHS) variants when sourcing for compliant products. The MSL 3 floor life of 168 hours means dry-pack handling is required for SMD assembly; bake the part before reflow if moisture exposure exceeds the floor life.
The 144-LQFP lead pitch is 0.5 mm - PCB land patterns must follow IPC-7351 nominal-density footprints with a 0.3 mm stencil aperture for solder paste. Traces exiting the pin field should be designed with controlled impedance to avoid reflections on the external bus. The MC68340 can interface to 8-bit or 16-bit external data ports; whichever you choose, route the upper byte strobes (DSACK0/DSACK1) and byte-write enables (WE0/WE1) with matched lengths. A solid ground plane beneath the part helps both power integrity and EMI.
The MC68340CAG16E's external memory bus uses a multiplexed address/data protocol only when DSACK is asserted externally; in many designs the bus is demulted with latches. Keep the address/data traces short and parallel for matched impedance. If your design drives long memory backplanes, add bus buffers to stay within the MC68340's drive capability. RESET and HALT pins are open-drain on many configurations - wire these with external pullups to 5V. For system bring-up, monitor the reset-time AC specification (typically 1.5 CPU clocks minimum).
Informações de conformidade
RoHS compliant and lead free per Digchip and Rochester Electronics listings. REACH Unaffected per GlobalSpec Rochester Electronics product details. AEC-Q100 not applicable - this is a processor IC, not an automotive-grade part. Halogen-free and conflict-minerals status not explicitly stated in the verified data.
