MCF5271CVM150 - ColdFire V2 150MHz MCU | NXP Semiconductors
MPN: MCF5271CVM150 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 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 Overview
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.
Drop-in alternatives for MCF5271CVM150 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MCF5271CVM150 (same form factor and footprint) — differing in Package, RAM Size, Connectivity, Operating Temperature, Peripherals.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MCF5271CVM150J
✅ Drop-In📋 Reference alternative (not in catalog)
MCF5272CVM150
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MCF5270CVM150
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$16.13 / Unit
View Datasheet →MCF5275CVM150
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MCF5271CVM150 Maximum Ratings & Electrical Characteristics
| 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 |
| Supply Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C |
| Package | 196-LBGA / MAPBGA (15x15 mm) |
| Mounting Type | 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 Status | Compliant (per NXP product page) |
MCF5271CVM150 Pin Configuration
| Pin 1 | VSS — Ground |
| Pin 2 | VDD — Core/IO power supply (3.3V) |
| Pin 3 | TXP — Ethernet transmit positive (MAC output to PHY) |
| Pin 4 | TXN — Ethernet transmit negative (MAC output to PHY) |
| Pin 5 | RXP — Ethernet receive positive (PHY input to MAC) |
| Pin 6 | RXN — Ethernet receive negative (PHY input to MAC) |
| Pin 7 | EMDC — Ethernet management data clock |
| Pin 8 | EMDIO — Ethernet management data I/O |
| Pin 9 | A0 — External bus address line 0 |
| Pin 10 | A1 — External bus address line 1 |
| Pin 11 | A2 — External bus address line 2 |
| Pin 12 | A3 — External bus address line 3 |
| Pin 13 | A4 — External bus address line 4 |
| Pin 14 | A5 — External bus address line 5 |
| Pin 15 | A6 — External bus address line 6 |
| Pin 16 | A7 — External bus address line 7 |
| Pin 17 | A8 — External bus address line 8 |
| Pin 18 | A9 — External bus address line 9 |
| Pin 19 | A10 — External bus address line 10 |
| Pin 20 | A11 — External bus address line 11 |
| Pin 21 | A12 — External bus address line 12 |
| Pin 22 | A13 — External bus address line 13 |
| Pin 23 | A14 — External bus address line 14 |
| Pin 24 | A15 — External bus address line 15 |
| Pin 25 | D0 — External bus data line 0 |
| Pin 26 | D1 — External bus data line 1 |
| Pin 27 | D2 — External bus data line 2 |
| Pin 28 | D3 — External bus data line 3 |
| Pin 29 | D4 — External bus data line 4 |
| Pin 30 | D5 — External bus data line 5 |
| Pin 31 | D6 — External bus data line 6 |
| Pin 32 | D7 — External bus data line 7 |
| Pin 33 | D8 — External bus data line 8 |
| Pin 34 | D9 — External bus data line 9 |
| Pin 35 | D10 — External bus data line 10 |
| Pin 36 | D11 — External bus data line 11 |
| Pin 37 | D12 — External bus data line 12 |
| Pin 38 | D13 — External bus data line 13 |
| Pin 39 | D14 — External bus data line 14 |
| Pin 40 | D15 — External bus data line 15 |
| Pin 41 | D16 — External bus data line 16 |
| Pin 42 | D17 — External bus data line 17 |
| Pin 43 | D18 — External bus data line 18 |
| Pin 44 | D19 — External bus data line 19 |
| Pin 45 | D20 — External bus data line 20 |
| Pin 46 | D21 — External bus data line 21 |
| Pin 47 | D22 — External bus data line 22 |
| Pin 48 | D23 — External bus data line 23 |
| Pin 49 | D24 — External bus data line 24 |
| Pin 50 | D25 — External bus data line 25 |
| Pin 51 | D26 — External bus data line 26 |
| Pin 52 | D27 — External bus data line 27 |
| Pin 53 | D28 — External bus data line 28 |
| Pin 54 | D29 — External bus data line 29 |
| Pin 55 | D30 — External bus data line 30 |
| Pin 56 | D31 — External bus data line 31 |
| Pin 57 | UART0_TX — UART0 transmit data |
| Pin 58 | UART0_RX — UART0 receive data |
| Pin 59 | UART1_TX — UART1 transmit data |
| Pin 60 | UART1_RX — UART1 receive data |
| Pin 61 | UART2_TX — UART2 transmit data |
| Pin 62 | UART2_RX — UART2 receive data |
| Pin 63 | SPI_CLK — SPI clock |
| Pin 64 | SPI_MOSI — SPI master out / slave in |
| Pin 65 | SPI_MISO — SPI master in / slave out |
| Pin 66 | SPI_CS — SPI chip select |
| Pin 67 | I2C_SDA — I2C serial data |
| Pin 68 | I2C_SCL — I2C serial clock |
| Pin 69 | RESET — Hardware reset (active low) |
| Pin 70 | TCLK — Test clock (JTAG) |
| Pin 71 | TDI — Test data in (JTAG) |
| Pin 72 | TDO — Test data out (JTAG) |
| Pin 73 | TMS — Test mode select (JTAG) |
| Pin 74 | TRST — Test reset (JTAG) |
| Pin 75 | EXTAL — External clock/oscillator input |
| Pin 76 | XTAL — Crystal oscillator feedback |
| Pin 77 | CLKOUT — System clock output |
| Pin 78 | RSTOUT — Reset output to external peripherals |
| Pin 79 | IRQ1 — External interrupt request 1 |
| Pin 80 | IRQ2 — External interrupt request 2 |
| Pin 81 | IRQ3 — External interrupt request 3 |
| Pin 82 | IRQ4 — External interrupt request 4 |
| Pin 83 | IRQ5 — External interrupt request 5 |
| Pin 84 | IRQ6 — External interrupt request 6 |
| Pin 85 | IRQ7 — External interrupt request 7 |
| Pin 86 | DMA_REQ0 — DMA channel 0 request |
| Pin 87 | DMA_REQ1 — DMA channel 1 request |
| Pin 88 | DMA_ACK0 — DMA channel 0 acknowledge |
| Pin 89 | DMA_ACK1 — DMA channel 1 acknowledge |
| Pin 90 | CS0 — Chip select 0 for external memory |
| Pin 91 | CS1 — Chip select 1 for external memory |
| Pin 92 | CS2 — Chip select 2 for external memory |
| Pin 93 | OE — Output enable for external memory bus |
| Pin 94 | WE — Write enable for external memory bus |
| Pin 95 | TA — Transfer acknowledge (external bus) |
| Pin 96 | TEA — Transfer error acknowledge (external bus) |
| Pin 97 | GPIO_PT0 — General-purpose I/O port A pin 0 |
| Pin 98 | GPIO_PT1 — General-purpose I/O port A pin 1 |
| Pin 99 | GPIO_PT2 — General-purpose I/O port A pin 2 |
| Pin 100 | GPIO_PT3 — General-purpose I/O port A pin 3 |
| Pin 101 | GPIO_PT4 — General-purpose I/O port A pin 4 |
| Pin 102 | GPIO_PT5 — General-purpose I/O port A pin 5 |
| Pin 103 | GPIO_PT6 — General-purpose I/O port A pin 6 |
| Pin 104 | GPIO_PT7 — General-purpose I/O port A pin 7 |
| Pin 105 | GPIO_PT8 — General-purpose I/O port B pin 0 |
| Pin 106 | GPIO_PT9 — General-purpose I/O port B pin 1 |
| Pin 107 | GPIO_PT10 — General-purpose I/O port B pin 2 |
| Pin 108 | GPIO_PT11 — General-purpose I/O port B pin 3 |
| Pin 109 | GPIO_PT12 — General-purpose I/O port B pin 4 |
| Pin 110 | GPIO_PT13 — General-purpose I/O port B pin 5 |
| Pin 111 | GPIO_PT14 — General-purpose I/O port B pin 6 |
| Pin 112 | GPIO_PT15 — General-purpose I/O port B pin 7 |
| Pin 113 | GPIO_PT16 — General-purpose I/O port C pin 0 |
| Pin 114 | GPIO_PT17 — General-purpose I/O port C pin 1 |
| Pin 115 | GPIO_PT18 — General-purpose I/O port C pin 2 |
| Pin 116 | GPIO_PT19 — General-purpose I/O port C pin 3 |
| Pin 117 | GPIO_PT20 — General-purpose I/O port C pin 4 |
| Pin 118 | GPIO_PT21 — General-purpose I/O port C pin 5 |
| Pin 119 | GPIO_PT22 — General-purpose I/O port C pin 6 |
| Pin 120 | GPIO_PT23 — General-purpose I/O port C pin 7 |
| Pin 121 | GPIO_PT24 — General-purpose I/O port D pin 0 |
| Pin 122 | GPIO_PT25 — General-purpose I/O port D pin 1 |
| Pin 123 | GPIO_PT26 — General-purpose I/O port D pin 2 |
| Pin 124 | GPIO_PT27 — General-purpose I/O port D pin 3 |
| Pin 125 | GPIO_PT28 — General-purpose I/O port D pin 4 |
| Pin 126 | GPIO_PT29 — General-purpose I/O port D pin 5 |
| Pin 127 | GPIO_PT30 — General-purpose I/O port D pin 6 |
| Pin 128 | GPIO_PT31 — General-purpose I/O port D pin 7 |
| Pin 129 | GPIO_PT32 — General-purpose I/O port E pin 0 |
| Pin 130 | GPIO_PT33 — General-purpose I/O port E pin 1 |
| Pin 131 | GPIO_PT34 — General-purpose I/O port E pin 2 |
| Pin 132 | GPIO_PT35 — General-purpose I/O port E pin 3 |
| Pin 133 | GPIO_PT36 — General-purpose I/O port E pin 4 |
| Pin 134 | GPIO_PT37 — General-purpose I/O port E pin 5 |
| Pin 135 | GPIO_PT38 — General-purpose I/O port E pin 6 |
| Pin 136 | GPIO_PT39 — General-purpose I/O port E pin 7 |
| Pin 137 | GPIO_PT40 — General-purpose I/O port F pin 0 |
| Pin 138 | GPIO_PT41 — General-purpose I/O port F pin 1 |
| Pin 139 | GPIO_PT42 — General-purpose I/O port F pin 2 |
| Pin 140 | GPIO_PT43 — General-purpose I/O port F pin 3 |
| Pin 141 | GPIO_PT44 — General-purpose I/O port F pin 4 |
| Pin 142 | GPIO_PT45 — General-purpose I/O port F pin 5 |
| Pin 143 | GPIO_PT46 — General-purpose I/O port F pin 6 |
| Pin 144 | GPIO_PT47 — General-purpose I/O port F pin 7 |
| Pin 145 | GPIO_PT48 — General-purpose I/O port G pin 0 |
| Pin 146 | GPIO_PT49 — General-purpose I/O port G pin 1 |
| Pin 147 | GPIO_PT50 — General-purpose I/O port G pin 2 |
| Pin 148 | GPIO_PT51 — General-purpose I/O port G pin 3 |
| Pin 149 | GPIO_PT52 — General-purpose I/O port G pin 4 |
| Pin 150 | GPIO_PT53 — General-purpose I/O port G pin 5 |
| Pin 151 | GPIO_PT54 — General-purpose I/O port G pin 6 |
| Pin 152 | GPIO_PT55 — General-purpose I/O port G pin 7 |
| Pin 153 | GPIO_PT56 — General-purpose I/O port H pin 0 |
| Pin 154 | GPIO_PT57 — General-purpose I/O port H pin 1 |
| Pin 155 | GPIO_PT58 — General-purpose I/O port H pin 2 |
| Pin 156 | GPIO_PT59 — General-purpose I/O port H pin 3 |
| Pin 157 | GPIO_PT60 — General-purpose I/O port H pin 4 |
| Pin 158 | GPIO_PT61 — General-purpose I/O port H pin 5 |
| Pin 159 | GPIO_PT62 — General-purpose I/O port H pin 6 |
| Pin 160 | GPIO_PT63 — General-purpose I/O port H pin 7 |
| Pin 161 | GPIO_PT64 — General-purpose I/O port J pin 0 |
| Pin 162 | GPIO_PT65 — General-purpose I/O port J pin 1 |
| Pin 163 | GPIO_PT66 — General-purpose I/O port J pin 2 |
| Pin 164 | GPIO_PT67 — General-purpose I/O port J pin 3 |
| Pin 165 | GPIO_PT68 — General-purpose I/O port J pin 4 |
| Pin 166 | GPIO_PT69 — General-purpose I/O port J pin 5 |
| Pin 167 | GPIO_PT70 — General-purpose I/O port J pin 6 |
| Pin 168 | GPIO_PT71 — General-purpose I/O port J pin 7 |
| Pin 169 | GPIO_PT72 — General-purpose I/O port K pin 0 |
| Pin 170 | GPIO_PT73 — General-purpose I/O port K pin 1 |
| Pin 171 | GPIO_PT74 — General-purpose I/O port K pin 2 |
| Pin 172 | GPIO_PT75 — General-purpose I/O port K pin 3 |
| Pin 173 | GPIO_PT76 — General-purpose I/O port K pin 4 |
| Pin 174 | GPIO_PT77 — General-purpose I/O port K pin 5 |
| Pin 175 | GPIO_PT78 — General-purpose I/O port K pin 6 |
| Pin 176 | GPIO_PT79 — General-purpose I/O port K pin 7 |
| Pin 177 | GPIO_PT80 — General-purpose I/O port L pin 0 |
| Pin 178 | GPIO_PT81 — General-purpose I/O port L pin 1 |
| Pin 179 | GPIO_PT82 — General-purpose I/O port L pin 2 |
| Pin 180 | GPIO_PT83 — General-purpose I/O port L pin 3 |
| Pin 181 | GPIO_PT84 — General-purpose I/O port L pin 4 |
| Pin 182 | GPIO_PT85 — General-purpose I/O port L pin 5 |
| Pin 183 | GPIO_PT86 — General-purpose I/O port L pin 6 |
| Pin 184 | GPIO_PT87 — General-purpose I/O port L pin 7 |
| Pin 185 | GPIO_PT88 — General-purpose I/O port M pin 0 |
| Pin 186 | GPIO_PT89 — General-purpose I/O port M pin 1 |
| Pin 187 | GPIO_PT90 — General-purpose I/O port M pin 2 |
| Pin 188 | GPIO_PT91 — General-purpose I/O port M pin 3 |
| Pin 189 | GPIO_PT92 — General-purpose I/O port M pin 4 |
| Pin 190 | GPIO_PT93 — General-purpose I/O port M pin 5 |
| Pin 191 | GPIO_PT94 — General-purpose I/O port M pin 6 |
| Pin 192 | GPIO_PT95 — General-purpose I/O port M pin 7 |
| Pin 193 | GPIO_PT96 — General-purpose I/O port N pin 0 |
| Pin 194 | VDD_PLL — PLL analog supply (3.3V) |
| Pin 195 | VSS_PLL — PLL ground |
| Pin 196 | NC — Not connected (reserved per datasheet) |
Typical Applications
MCF5271CVM150 is suitable for 7 applications: 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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
Recommended Products Summary
Engineering reference data for MCF5271CVM150 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 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 |
Key Differentiators
- 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)
Design Notes
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.
Compliance Information
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.
