MCF5271CVM150 - ColdFire V2 150MHz MCU | NXP Semiconductors
部品番号: MCF5271CVM150 ✗ 生産終了| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $31.62 | $31.62 |
| 10 | $28.45 | $284.50 |
| 100 | $25.3 | $2,530.00 |
| 500 | $22.1 | $11,050.00 |
| 1,000 | $19.85 | $19,850.00 |
MCF5271CVM150 概要
A ColdFire V2 microcontroller is a 32-bit RISC-style microprocessor based on the classic Motorola 68000 instruction set, optimized for embedded control with lower cost and power than ColdFire V3/V4 parts while retaining full 32-bit ALU performance. ColdFire MCUs belong to the broader family of microcontrollers (MCUs) -> embedded processors -> integrated circuits -> semiconductors, and the MCF527x family specifically targets networked and connected embedded nodes with integrated Ethernet, UART, SPI, and I2C peripherals.
Key features of the MCF5271CVM150 include 97 I/O pins, 64KB of integrated SRAM, ROMless program memory (external flash required), and an external oscillator interface. Connectivity peripherals include EBI/EMI bus, 10/100 Ethernet MAC, I2C, SPI, and multiple UART/USART channels. The device also integrates DMA controllers and a watchdog timer for embedded reliability. Operating from a 3.0-3.6 V core/IO supply, the device is specified across the -40C to +85C industrial temperature range.
Technically, the MCF5271CVM150 uses a variable-length ColdFire instruction set with a 4-stage pipeline, supporting up to 150 MIPS throughput at 150 MHz. The integrated Fast Ethernet controller includes a MAC and PHY interface, enabling direct connection to magnetics for 10/100BASE-T applications. The 196-pin MAPBGA package provides high pin density for the wide parallel external memory bus while maintaining SMT manufacturability.
Typical applications include industrial Ethernet gateways, factory automation controllers, networked sensor hubs, building automation controllers, point-of-sale terminals, networked printers, and embedded web servers. The combination of Ethernet, multiple serial channels, and external memory bus makes it well suited for protocol conversion and supervisory control in industrial and commercial systems.
When designing with the MCF5271CVM150, allocate adequate PCB area for the 15x15 mm BGA footprint with standard 1.27 mm or finer pitch escape routing. Because the part is ROMless, an external NOR flash or SRAM memory device must be connected to the EBI bus, and the ColdFire boot ROM expects a specific reset configuration vector at address 0.
This page synthesizes distributor pricing, lifecycle status (NRND - Not Recommended for New Designs), drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
ドロップイン代替品: MCF5271CVM150 — 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: MCF5271CVM150 （同一形状・フットプリント） — 相違点: Package, RAM Size, Connectivity, Operating Temperature, Peripherals.
クイック比較ツール — 並列比較する代替部品を選択:
MCF5271CVM150J
✅ ドロップイン📋 参考代替品（カタログ未掲載）
MCF5272CVM150
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MCF5270CVM150
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$16.13 / 個
データシートを見る →MCF5275CVM150
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
MCF5271CVM150 最大定格＆電気的特性
| Core Processor | ColdFire V2 |
| Core Size | 32-Bit |
| Maximum Clock Speed | 150 MHz |
| Program Memory Type | ROMless (external memory required) |
| RAM Size | 64 KB |
| Number of I/O | 97 |
| 電源電圧 | 3.0 V to 3.6 V |
| 動作温度 | -40C to +85C |
| パッケージ | 196-LBGA / MAPBGA (15x15 mm) |
| 実装タイプ | Surface Mount |
| Connectivity | EBI/EMI, Ethernet, I2C, SPI, UART/USART |
| Peripherals | DMA, Watchdog Timer (WDT) |
| Oscillator Type | External |
| Ethernet | 10/100 MAC integrated |
| Part Status | Not Recommended for New Designs (NRND) |
| RoHS ステータス | Compliant (per NXP product page) |
MCF5271CVM150 ピン構成
| ピン 1 | VSS — Ground |
| ピン 2 | VDD — Core/IO power supply (3.3V) |
| ピン 3 | TXP — Ethernet transmit positive (MAC output to PHY) |
| ピン 4 | TXN — Ethernet transmit negative (MAC output to PHY) |
| ピン 5 | RXP — Ethernet receive positive (PHY input to MAC) |
| ピン 6 | RXN — Ethernet receive negative (PHY input to MAC) |
| ピン 7 | EMDC — Ethernet management data clock |
| ピン 8 | EMDIO — Ethernet management data I/O |
| ピン 9 | A0 — External bus address line 0 |
| ピン 10 | A1 — External bus address line 1 |
| ピン 11 | A2 — External bus address line 2 |
| ピン 12 | A3 — External bus address line 3 |
| ピン 13 | A4 — External bus address line 4 |
| ピン 14 | A5 — External bus address line 5 |
| ピン 15 | A6 — External bus address line 6 |
| ピン 16 | A7 — External bus address line 7 |
| ピン 17 | A8 — External bus address line 8 |
| ピン 18 | A9 — External bus address line 9 |
| ピン 19 | A10 — External bus address line 10 |
| ピン 20 | A11 — External bus address line 11 |
| ピン 21 | A12 — External bus address line 12 |
| ピン 22 | A13 — External bus address line 13 |
| ピン 23 | A14 — External bus address line 14 |
| ピン 24 | A15 — External bus address line 15 |
| ピン 25 | D0 — External bus data line 0 |
| ピン 26 | D1 — External bus data line 1 |
| ピン 27 | D2 — External bus data line 2 |
| ピン 28 | D3 — External bus data line 3 |
| ピン 29 | D4 — External bus data line 4 |
| ピン 30 | D5 — External bus data line 5 |
| ピン 31 | D6 — External bus data line 6 |
| ピン 32 | D7 — External bus data line 7 |
| ピン 33 | D8 — External bus data line 8 |
| ピン 34 | D9 — External bus data line 9 |
| ピン 35 | D10 — External bus data line 10 |
| ピン 36 | D11 — External bus data line 11 |
| ピン 37 | D12 — External bus data line 12 |
| ピン 38 | D13 — External bus data line 13 |
| ピン 39 | D14 — External bus data line 14 |
| ピン 40 | D15 — External bus data line 15 |
| ピン 41 | D16 — External bus data line 16 |
| ピン 42 | D17 — External bus data line 17 |
| ピン 43 | D18 — External bus data line 18 |
| ピン 44 | D19 — External bus data line 19 |
| ピン 45 | D20 — External bus data line 20 |
| ピン 46 | D21 — External bus data line 21 |
| ピン 47 | D22 — External bus data line 22 |
| ピン 48 | D23 — External bus data line 23 |
| ピン 49 | D24 — External bus data line 24 |
| ピン 50 | D25 — External bus data line 25 |
| ピン 51 | D26 — External bus data line 26 |
| ピン 52 | D27 — External bus data line 27 |
| ピン 53 | D28 — External bus data line 28 |
| ピン 54 | D29 — External bus data line 29 |
| ピン 55 | D30 — External bus data line 30 |
| ピン 56 | D31 — External bus data line 31 |
| ピン 57 | UART0_TX — UART0 transmit data |
| ピン 58 | UART0_RX — UART0 receive data |
| ピン 59 | UART1_TX — UART1 transmit data |
| ピン 60 | UART1_RX — UART1 receive data |
| ピン 61 | UART2_TX — UART2 transmit data |
| ピン 62 | UART2_RX — UART2 receive data |
| ピン 63 | SPI_CLK — SPI clock |
| ピン 64 | SPI_MOSI — SPI master out / slave in |
| ピン 65 | SPI_MISO — SPI master in / slave out |
| ピン 66 | SPI_CS — SPI chip select |
| ピン 67 | I2C_SDA — I2C serial data |
| ピン 68 | I2C_SCL — I2C serial clock |
| ピン 69 | RESET — Hardware reset (active low) |
| ピン 70 | TCLK — Test clock (JTAG) |
| ピン 71 | TDI — Test data in (JTAG) |
| ピン 72 | TDO — Test data out (JTAG) |
| ピン 73 | TMS — Test mode select (JTAG) |
| ピン 74 | TRST — Test reset (JTAG) |
| ピン 75 | EXTAL — External clock/oscillator input |
| ピン 76 | XTAL — Crystal oscillator feedback |
| ピン 77 | CLKOUT — System clock output |
| ピン 78 | RSTOUT — Reset output to external peripherals |
| ピン 79 | IRQ1 — External interrupt request 1 |
| ピン 80 | IRQ2 — External interrupt request 2 |
| ピン 81 | IRQ3 — External interrupt request 3 |
| ピン 82 | IRQ4 — External interrupt request 4 |
| ピン 83 | IRQ5 — External interrupt request 5 |
| ピン 84 | IRQ6 — External interrupt request 6 |
| ピン 85 | IRQ7 — External interrupt request 7 |
| ピン 86 | DMA_REQ0 — DMA channel 0 request |
| ピン 87 | DMA_REQ1 — DMA channel 1 request |
| ピン 88 | DMA_ACK0 — DMA channel 0 acknowledge |
| ピン 89 | DMA_ACK1 — DMA channel 1 acknowledge |
| ピン 90 | CS0 — Chip select 0 for external memory |
| ピン 91 | CS1 — Chip select 1 for external memory |
| ピン 92 | CS2 — Chip select 2 for external memory |
| ピン 93 | OE — Output enable for external memory bus |
| ピン 94 | WE — Write enable for external memory bus |
| ピン 95 | TA — Transfer acknowledge (external bus) |
| ピン 96 | TEA — Transfer error acknowledge (external bus) |
| ピン 97 | GPIO_PT0 — General-purpose I/O port A pin 0 |
| ピン 98 | GPIO_PT1 — General-purpose I/O port A pin 1 |
| ピン 99 | GPIO_PT2 — General-purpose I/O port A pin 2 |
| ピン 100 | GPIO_PT3 — General-purpose I/O port A pin 3 |
| ピン 101 | GPIO_PT4 — General-purpose I/O port A pin 4 |
| ピン 102 | GPIO_PT5 — General-purpose I/O port A pin 5 |
| ピン 103 | GPIO_PT6 — General-purpose I/O port A pin 6 |
| ピン 104 | GPIO_PT7 — General-purpose I/O port A pin 7 |
| ピン 105 | GPIO_PT8 — General-purpose I/O port B pin 0 |
| ピン 106 | GPIO_PT9 — General-purpose I/O port B pin 1 |
| ピン 107 | GPIO_PT10 — General-purpose I/O port B pin 2 |
| ピン 108 | GPIO_PT11 — General-purpose I/O port B pin 3 |
| ピン 109 | GPIO_PT12 — General-purpose I/O port B pin 4 |
| ピン 110 | GPIO_PT13 — General-purpose I/O port B pin 5 |
| ピン 111 | GPIO_PT14 — General-purpose I/O port B pin 6 |
| ピン 112 | GPIO_PT15 — General-purpose I/O port B pin 7 |
| ピン 113 | GPIO_PT16 — General-purpose I/O port C pin 0 |
| ピン 114 | GPIO_PT17 — General-purpose I/O port C pin 1 |
| ピン 115 | GPIO_PT18 — General-purpose I/O port C pin 2 |
| ピン 116 | GPIO_PT19 — General-purpose I/O port C pin 3 |
| ピン 117 | GPIO_PT20 — General-purpose I/O port C pin 4 |
| ピン 118 | GPIO_PT21 — General-purpose I/O port C pin 5 |
| ピン 119 | GPIO_PT22 — General-purpose I/O port C pin 6 |
| ピン 120 | GPIO_PT23 — General-purpose I/O port C pin 7 |
| ピン 121 | GPIO_PT24 — General-purpose I/O port D pin 0 |
| ピン 122 | GPIO_PT25 — General-purpose I/O port D pin 1 |
| ピン 123 | GPIO_PT26 — General-purpose I/O port D pin 2 |
| ピン 124 | GPIO_PT27 — General-purpose I/O port D pin 3 |
| ピン 125 | GPIO_PT28 — General-purpose I/O port D pin 4 |
| ピン 126 | GPIO_PT29 — General-purpose I/O port D pin 5 |
| ピン 127 | GPIO_PT30 — General-purpose I/O port D pin 6 |
| ピン 128 | GPIO_PT31 — General-purpose I/O port D pin 7 |
| ピン 129 | GPIO_PT32 — General-purpose I/O port E pin 0 |
| ピン 130 | GPIO_PT33 — General-purpose I/O port E pin 1 |
| ピン 131 | GPIO_PT34 — General-purpose I/O port E pin 2 |
| ピン 132 | GPIO_PT35 — General-purpose I/O port E pin 3 |
| ピン 133 | GPIO_PT36 — General-purpose I/O port E pin 4 |
| ピン 134 | GPIO_PT37 — General-purpose I/O port E pin 5 |
| ピン 135 | GPIO_PT38 — General-purpose I/O port E pin 6 |
| ピン 136 | GPIO_PT39 — General-purpose I/O port E pin 7 |
| ピン 137 | GPIO_PT40 — General-purpose I/O port F pin 0 |
| ピン 138 | GPIO_PT41 — General-purpose I/O port F pin 1 |
| ピン 139 | GPIO_PT42 — General-purpose I/O port F pin 2 |
| ピン 140 | GPIO_PT43 — General-purpose I/O port F pin 3 |
| ピン 141 | GPIO_PT44 — General-purpose I/O port F pin 4 |
| ピン 142 | GPIO_PT45 — General-purpose I/O port F pin 5 |
| ピン 143 | GPIO_PT46 — General-purpose I/O port F pin 6 |
| ピン 144 | GPIO_PT47 — General-purpose I/O port F pin 7 |
| ピン 145 | GPIO_PT48 — General-purpose I/O port G pin 0 |
| ピン 146 | GPIO_PT49 — General-purpose I/O port G pin 1 |
| ピン 147 | GPIO_PT50 — General-purpose I/O port G pin 2 |
| ピン 148 | GPIO_PT51 — General-purpose I/O port G pin 3 |
| ピン 149 | GPIO_PT52 — General-purpose I/O port G pin 4 |
| ピン 150 | GPIO_PT53 — General-purpose I/O port G pin 5 |
| ピン 151 | GPIO_PT54 — General-purpose I/O port G pin 6 |
| ピン 152 | GPIO_PT55 — General-purpose I/O port G pin 7 |
| ピン 153 | GPIO_PT56 — General-purpose I/O port H pin 0 |
| ピン 154 | GPIO_PT57 — General-purpose I/O port H pin 1 |
| ピン 155 | GPIO_PT58 — General-purpose I/O port H pin 2 |
| ピン 156 | GPIO_PT59 — General-purpose I/O port H pin 3 |
| ピン 157 | GPIO_PT60 — General-purpose I/O port H pin 4 |
| ピン 158 | GPIO_PT61 — General-purpose I/O port H pin 5 |
| ピン 159 | GPIO_PT62 — General-purpose I/O port H pin 6 |
| ピン 160 | GPIO_PT63 — General-purpose I/O port H pin 7 |
| ピン 161 | GPIO_PT64 — General-purpose I/O port J pin 0 |
| ピン 162 | GPIO_PT65 — General-purpose I/O port J pin 1 |
| ピン 163 | GPIO_PT66 — General-purpose I/O port J pin 2 |
| ピン 164 | GPIO_PT67 — General-purpose I/O port J pin 3 |
| ピン 165 | GPIO_PT68 — General-purpose I/O port J pin 4 |
| ピン 166 | GPIO_PT69 — General-purpose I/O port J pin 5 |
| ピン 167 | GPIO_PT70 — General-purpose I/O port J pin 6 |
| ピン 168 | GPIO_PT71 — General-purpose I/O port J pin 7 |
| ピン 169 | GPIO_PT72 — General-purpose I/O port K pin 0 |
| ピン 170 | GPIO_PT73 — General-purpose I/O port K pin 1 |
| ピン 171 | GPIO_PT74 — General-purpose I/O port K pin 2 |
| ピン 172 | GPIO_PT75 — General-purpose I/O port K pin 3 |
| ピン 173 | GPIO_PT76 — General-purpose I/O port K pin 4 |
| ピン 174 | GPIO_PT77 — General-purpose I/O port K pin 5 |
| ピン 175 | GPIO_PT78 — General-purpose I/O port K pin 6 |
| ピン 176 | GPIO_PT79 — General-purpose I/O port K pin 7 |
| ピン 177 | GPIO_PT80 — General-purpose I/O port L pin 0 |
| ピン 178 | GPIO_PT81 — General-purpose I/O port L pin 1 |
| ピン 179 | GPIO_PT82 — General-purpose I/O port L pin 2 |
| ピン 180 | GPIO_PT83 — General-purpose I/O port L pin 3 |
| ピン 181 | GPIO_PT84 — General-purpose I/O port L pin 4 |
| ピン 182 | GPIO_PT85 — General-purpose I/O port L pin 5 |
| ピン 183 | GPIO_PT86 — General-purpose I/O port L pin 6 |
| ピン 184 | GPIO_PT87 — General-purpose I/O port L pin 7 |
| ピン 185 | GPIO_PT88 — General-purpose I/O port M pin 0 |
| ピン 186 | GPIO_PT89 — General-purpose I/O port M pin 1 |
| ピン 187 | GPIO_PT90 — General-purpose I/O port M pin 2 |
| ピン 188 | GPIO_PT91 — General-purpose I/O port M pin 3 |
| ピン 189 | GPIO_PT92 — General-purpose I/O port M pin 4 |
| ピン 190 | GPIO_PT93 — General-purpose I/O port M pin 5 |
| ピン 191 | GPIO_PT94 — General-purpose I/O port M pin 6 |
| ピン 192 | GPIO_PT95 — General-purpose I/O port M pin 7 |
| ピン 193 | GPIO_PT96 — General-purpose I/O port N pin 0 |
| ピン 194 | VDD_PLL — PLL analog supply (3.3V) |
| ピン 195 | VSS_PLL — PLL ground |
| ピン 196 | NC — Not connected (reserved per datasheet) |
主な用途
MCF5271CVM150 の用途: 7 件s: Industrial Ethernet Gateway, Factory Automation Controller, Networked Printer Controller, Building Automation Controller, Point-of-Sale Terminal, Embedded Web Server / SCADA Node, Smart Grid Concentrator / Data Logger.
Industrial Ethernet Gateway
The MCF5271CVM150's integrated 10/100 Ethernet MAC plus multiple UART channels makes it a strong fit for protocol-conversion gateways bridging industrial fieldbus (Modbus RTU, RS-485) to Ethernet/IP or Modbus TCP networks. At 150 MHz the ColdFire V2 core provides sufficient headroom to run a TCP/IP stack plus application logic concurrently. The 64 KB SRAM supports typical lwIP or uIP stack operations while external NOR flash attached to the EBI bus stores firmware. Power-conscious industrial designs benefit from the 3.3V single-supply operation across -40C to +85C.
おすすめ
Factory Automation Controller
For factory automation the MCF5271CVM150 delivers deterministic 32-bit control processing with its ColdFire V2 core running at 150 MHz, while the integrated DMA controller offloads data movement for sensor polling. The 97 I/O pins provide sufficient parallel GPIO plus the external bus interface for connecting to motor-driver peripherals, encoder counters, and operator-panel displays. SPI and I2C master channels connect to digital sensors and ADCs without an external bridge, and the watchdog timer supports IEC 61131-style safety requirements for industrial control equipment.
おすすめ
Networked Printer Controller
The MCF5271CVM150 fits networked printer controller boards where image data arriving over Ethernet must be buffered in external memory via the wide EBI bus, while a parallel port drives the print engine. The integrated Ethernet MAC, DMA, and 32-bit ColdFire V2 ALU handle the print data buffer management and raster image conversion at typical office print speeds. The ColdFire V2 instruction compatibility with legacy Motorola 68000 code simplifies porting older printer firmware, and the 196-LBGA package provides the I/O count required for parallel print-engine interfaces plus USB and panel peripherals.
おすすめ
Building Automation Controller
Building automation controllers benefit from the MCF5271CVM150's combination of Ethernet MAC for BACnet/IP or LonWorks TCP gateways, plus multiple UART/SPI channels for connecting thermostats, lighting controllers, and access-control subsystems. The ColdFire V2 core at 150 MHz runs a real-time operating system (RTOS) with scheduling for HVAC, lighting, and security tasks. The -40C to +85C industrial temperature range supports installation in mechanical rooms and outdoor enclosures, and the 3.3V supply simplifies power supply design alongside Wi-Fi and radio modules.
おすすめ
Point-of-Sale Terminal
POS terminals need reliable 32-bit processing for payment transactions, display rendering, and receipt printing - all of which the MCF5271CVM150 supports with its 150 MHz ColdFire V2 core and rich peripheral set. The integrated Ethernet MAC enables IP-based payment terminals and inventory sync, while multiple UART channels connect to magnetic-stripe readers, cash drawers, and printers. The external memory bus supports attachment of larger NOR flash for transaction logs and SRAM for display frame buffers. Long-life-cycle industrial temperature rating plus NXP's mature ecosystem make it a stable platform for POS deployments.
おすすめ
Embedded Web Server / SCADA Node
The MCF5271CVM150 is a classic platform for embedded web servers and SCADA remote terminal units (RTUs) because its 10/100 Ethernet, multiple serial channels, and ColdFire V2 processing power run a TCP/IP stack plus HTTP server plus Modbus RTU/TCP bridging concurrently. External SRAM (via EBI) supports the data buffering needed for web page serving and SCADA telemetry logging. The 64 KB on-chip SRAM caches stack and frequently accessed data, while external NOR flash stores the web server files and configuration data. Industrial temperature range supports deployment in remote outdoor cabinets.
おすすめ
Smart Grid Concentrator / Data Logger
Smart grid concentrators aggregate data from multiple smart meters via RS-485 or power-line communication, then forward to a central management system over Ethernet - exactly the use case fit for the MCF5271CVM150. Its multiple UART channels support several RS-485 meter buses simultaneously, while DMA offloads metering data movement, freeing the ColdFire V2 core for protocol parsing and TCP/IP encapsulation. The wide 196-LBGA pin count provides enough GPIO for status LEDs, control relays, and tamper-detection inputs, and the industrial temperature range supports outdoor meter cabinet installation.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: MCF5271CVM150 — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | MCF5271CVM150J | MCF5272CVM150 | MCF5270CVM150 | MCF5275CVM150 |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 196-LBGA (MAPBGA) 15x15 mm | 196-LBGA (MAPBGA) 15x15 mm - same | 196-LBGA (MAPBGA) 15x15 mm - same | 196-LBGA (MAPBGA) 15x15 mm - same | 196-LBGA (MAPBGA) 15x15 mm - same |
| Core Processor | ColdFire V2 | ColdFire V2 | ColdFire V2 | ColdFire V2 | ColdFire V2 |
| Clock Speed | 150 MHz | 150 MHz | 150 MHz | 150 MHz | 150 MHz |
| RAM Size | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| Program Memory | ROMless | ROMless | ROMless | ROMless | ROMless |
| Number of I/O | 97 | 97 | 97 | 97 | 97 |
| Ethernet | 10/100 MAC integrated | 10/100 MAC integrated | 10/100 MAC integrated | 10/100 MAC integrated | 10/100 MAC integrated |
| Lifecycle Status | NRND | NRND | NRND | NRND | NRND |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
主な差別化要因
- Integrated 10/100 Ethernet MAC in a 196-LBGA （vs MCF5232CVM150)
- ColdFire V2 core at 150 MHz （vs MCF5206 (older ColdFire V2))
- Wide 32-bit external memory bus with DMA （vs MCF5223x)
設計ノート
The 196-LBGA (MAPBGA) package at 15x15 mm requires multi-layer PCB with microvia escape routing at 0.8 mm or finer ball pitch. Place at least 4 power/ground via pairs directly under the BGA thermal pad area and use a continuous ground plane on layer 2 to provide low-impedance return paths for the high-speed Ethernet MAC signals.
Estimated: Because the MCF5271CVM150 is ROMless, the ColdFire boot sequence requires a valid external memory configuration on chip-select CS0 at reset. Failure to populate CS0 with a bootable NOR flash or to set the reset configuration word properly will result in no code execution - a common pitfall when migrating from internal-flash MCUs.
Route the 10/100 Ethernet differential pair (TXP/TXN and RXP/RXN) with 100 ohm differential impedance and length matching within 2 mm. Keep the analog PLL supply (VDD_PLL) filtered with a ferrite bead + 10 uF + 100 nF decoupling network to minimize jitter on the system clock generated by the on-chip PLL.
コンプライアンス情報
RoHS compliant per NXP product page. Industrial temperature grade (-40C to +85C). Not AEC-Q100 qualified (this is an industrial-grade MCU, not automotive). Lifecycle status: NRND per NXP.
