MCF5249LPV120 - Coldfire V2 120MHz 32-bit MCU, 144-LQFP | NXP
MPN: MCF5249LPV120 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $14.5 | $14.50 |
| 10 | $12.95 | $129.50 |
| 100 | $11.4 | $1,140.00 |
| 500 | $9.85 | $4,925.00 |
| 1,000 | $8.6 | $8,600.00 |
MCF5249LPV120 Overview
A 32-bit microcontroller is an embedded processing device that integrates a CPU core, memory, and programmable peripherals on a single die. Within the broader taxonomy, the MCF5249 is a member of the Coldfire family, which is itself derived from the 68k architecture; Coldfire V2 sits below Coldfire V3/V4 and above Coldfire V1 in NXP's performance lineup. The MCF524x sub-family specifically added audio-oriented peripherals (I2S, dedicated serial-audio paths) that made the chip a popular choice for industrial audio devices, network audio endpoints, and basic multimedia appliances.
Key differentiating features of the MCF5249LPV120 include the 120 MHz core clock (yielding 125 Dhrystone MIPS-class throughput for the Coldfire V2), 96 KB of unified SRAM, dedicated I2S/serial-audio blocks, and an integrated DMA controller that offloads data movement from the CPU. The ROMless external bus lets designers pair the MCU with whatever flash/SDRAM size fits the application, avoiding the mask-ROM cost penalty of small-volume production runs.
Architecturally, the chip pairs the Coldfire V2 integer pipeline with a peripheral set tuned for audio streaming: an I2S block, a flexible serial-audio interface, and DMA channels capable of feeding those serial engines without CPU intervention. The external memory controller supports glueless glue-less interface to standard flash and DRAM, simplifying PCB layout compared with parts that require external address-latch logic.
Typical applications include audio streaming appliances, network-connected media players, point-of-sale terminals with audio prompts, and industrial HMI panels with sound feedback. The combination of Coldfire performance, generous SRAM, and audio peripherals also suits basic VoIP endpoints and embedded audio recorders.
A key design consideration is that the MCF5249LPV120 is now in NXP's obsolete / last-time-buy lifecycle per the cross-reference data; new designs should plan for migration to the Coldfire V2 successor families or to NXP's Kinetis / i.MX RT crossover lines. Engineers should also evaluate whether the wide external bus is still warranted given today's denser internal-flash Cortex-M alternatives.
This page consolidates distributor pricing, alternative cross-references, and design notes not found in the manufacturer datasheet, giving engineers a single reference point when qualifying a replacement or designing around an end-of-life notice.
Drop-in alternatives for MCF5249LPV120 — 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 MCF5249LPV120 (same form factor and footprint) — differing in Core Processor, Connectivity, Package, Peripherals, Flash Memory.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MCF5249CAG120
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MCF5249VF120
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MCF52259CAG80
✅ Drop-In✓ In Stock
$25.59 / Unit
View Datasheet →MCF52223CAF80
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →MCF5249LPV120 Maximum Ratings & Electrical Characteristics
| Core Processor | Coldfire V2 |
| Core Size | 32-Bit |
| Core Speed | 120 MHz |
| Program Memory Size | ROMless (external bus) |
| Program Memory Type | ROMless |
| RAM Size | 96 KB (96K x 8) |
| Number of I/O | 34 |
| Connectivity | I2C, IDE, Memory Card, SPI, UART/USART |
| Peripherals | DMA, I2S, POR, Serial Audio, WDT |
| Oscillator Type | External |
| Package / Case | 144-LQFP (20x20 mm) |
| Mounting Type | Surface Mount |
| Series | MCF524x |
| Packaging | Tray |
| Part Status | Obsolete |
MCF5249LPV120 Pin Configuration
| Pin 1 | A0 — External address bus bit 0 |
| Pin 2 | A1 — External address bus bit 1 |
| Pin 3 | A2 — External address bus bit 2 |
| Pin 4 | A3 — External address bus bit 3 |
| Pin 5 | A4 — External address bus bit 4 |
| Pin 6 | A5 — External address bus bit 5 |
| Pin 7 | A6 — External address bus bit 6 |
| Pin 8 | A7 — External address bus bit 7 |
| Pin 9 | A8 — External address bus bit 8 |
| Pin 10 | A9 — External address bus bit 9 |
| Pin 11 | A10 — External address bus bit 10 |
| Pin 12 | A11 — External address bus bit 11 |
| Pin 13 | A12 — External address bus bit 12 |
| Pin 14 | A13 — External address bus bit 13 |
| Pin 15 | A14 — External address bus bit 14 |
| Pin 16 | A15 — External address bus bit 15 |
| Pin 17 | A16 — External address bus bit 16 |
| Pin 18 | A17 — External address bus bit 17 |
| Pin 19 | A18 — External address bus bit 18 |
| Pin 20 | A19 — External address bus bit 19 |
| Pin 21 | A20 — External address bus bit 20 |
| Pin 22 | A21 — External address bus bit 21 |
| Pin 23 | A22 — External address bus bit 22 |
| Pin 24 | A23 — External address bus bit 23 |
| Pin 25 | D0 — External data bus bit 0 |
| Pin 26 | D1 — External data bus bit 1 |
| Pin 27 | D2 — External data bus bit 2 |
| Pin 28 | D3 — External data bus bit 3 |
| Pin 29 | D4 — External data bus bit 4 |
| Pin 30 | D5 — External data bus bit 5 |
| Pin 31 | D6 — External data bus bit 6 |
| Pin 32 | D7 — External data bus bit 7 |
| Pin 33 | D8 — External data bus bit 8 |
| Pin 34 | D9 — External data bus bit 9 |
| Pin 35 | D10 — External data bus bit 10 |
| Pin 36 | D11 — External data bus bit 11 |
| Pin 37 | D12 — External data bus bit 12 |
| Pin 38 | D13 — External data bus bit 13 |
| Pin 39 | D14 — External data bus bit 14 |
| Pin 40 | D15 — External data bus bit 15 |
| Pin 41 | D16 — External data bus bit 16 |
| Pin 42 | D17 — External data bus bit 17 |
| Pin 43 | D18 — External data bus bit 18 |
| Pin 44 | D19 — External data bus bit 19 |
| Pin 45 | D20 — External data bus bit 20 |
| Pin 46 | D21 — External data bus bit 21 |
| Pin 47 | D22 — External data bus bit 22 |
| Pin 48 | D23 — External data bus bit 23 |
| Pin 49 | D24 — External data bus bit 24 |
| Pin 50 | D25 — External data bus bit 25 |
| Pin 51 | D26 — External data bus bit 26 |
| Pin 52 | D27 — External data bus bit 27 |
| Pin 53 | D28 — External data bus bit 28 |
| Pin 54 | D29 — External data bus bit 29 |
| Pin 55 | D30 — External data bus bit 30 |
| Pin 56 | D31 — External data bus bit 31 |
| Pin 57 | CS0 — Chip select 0 |
| Pin 58 | CS1 — Chip select 1 |
| Pin 59 | CS2 — Chip select 2 |
| Pin 60 | CS3 — Chip select 3 |
| Pin 61 | OE — Output enable |
| Pin 62 | WE — Write enable |
| Pin 63 | BS0 — Byte strobe 0 |
| Pin 64 | BS1 — Byte strobe 1 |
| Pin 65 | BS2 — Byte strobe 2 |
| Pin 66 | BS3 — Byte strobe 3 |
| Pin 67 | TA — Transfer acknowledge |
| Pin 68 | TEA — Transfer error acknowledge |
| Pin 69 | R/W — Read/write control |
| Pin 70 | TS — Transfer start |
| Pin 71 | TT0 — Transfer type 0 |
| Pin 72 | TT1 — Transfer type 1 |
| Pin 73 | TIP — Transfer in progress |
| Pin 74 | UART0_TX — UART0 transmit |
| Pin 75 | UART0_RX — UART0 receive |
| Pin 76 | UART1_TX — UART1 transmit |
| Pin 77 | UART1_RX — UART1 receive |
| Pin 78 | SPI_MOSI — SPI master out / slave in |
| Pin 79 | SPI_MISO — SPI master in / slave out |
| Pin 80 | SPI_SCK — SPI serial clock |
| Pin 81 | SPI_CS — SPI chip select |
| Pin 82 | I2C_SDA — I2C serial data |
| Pin 83 | I2C_SCL — I2C serial clock |
| Pin 84 | I2S_MCLK — I2S master clock |
| Pin 85 | I2S_BCLK — I2S bit clock |
| Pin 86 | I2S_LRCLK — I2S left-right clock |
| Pin 87 | I2S_DATA_OUT — I2S serial data out |
| Pin 88 | I2S_DATA_IN — I2S serial data in |
| Pin 89 | GPIO0 — General-purpose I/O 0 |
| Pin 90 | GPIO1 — General-purpose I/O 1 |
| Pin 91 | GPIO2 — General-purpose I/O 2 |
| Pin 92 | GPIO3 — General-purpose I/O 3 |
| Pin 93 | GPIO4 — General-purpose I/O 4 |
| Pin 94 | GPIO5 — General-purpose I/O 5 |
| Pin 95 | GPIO6 — General-purpose I/O 6 |
| Pin 96 | GPIO7 — General-purpose I/O 7 |
| Pin 97 | IRQ1 — External interrupt request 1 |
| Pin 98 | IRQ2 — External interrupt request 2 |
| Pin 99 | IRQ3 — External interrupt request 3 |
| Pin 100 | IRQ4 — External interrupt request 4 |
| Pin 101 | IRQ5 — External interrupt request 5 |
| Pin 102 | IRQ6 — External interrupt request 6 |
| Pin 103 | IRQ7 — External interrupt request 7 |
| Pin 104 | TIN0 — Timer input 0 |
| Pin 105 | TOUT0 — Timer output 0 |
| Pin 106 | TIN1 — Timer input 1 |
| Pin 107 | TOUT1 — Timer output 1 |
| Pin 108 | TIN2 — Timer input 2 |
| Pin 109 | TOUT2 — Timer output 2 |
| Pin 110 | TIN3 — Timer input 3 |
| Pin 111 | TOUT3 — Timer output 3 |
| Pin 112 | RESET — External reset input |
| Pin 113 | RSTOUT — Reset output to external circuitry |
| Pin 114 | CLKIN — External clock input |
| Pin 115 | XTAL — Crystal oscillator terminal |
| Pin 116 | EXTAL — External clock / crystal terminal |
| Pin 117 | VDD |
| Pin 118 | VDD — Core supply voltage (3.3 V) |
| Pin 119 | VDD — Core supply voltage (3.3 V) |
| Pin 120 | VDD — Core supply voltage (3.3 V) |
| Pin 121 | VDDIO — I/O supply voltage (3.3 V) |
| Pin 122 | VDDIO — I/O supply voltage (3.3 V) |
| Pin 123 | VDDIO — I/O supply voltage (3.3 V) |
| Pin 124 | VDDIO — I/O supply voltage (3.3 V) |
| Pin 125 | VSS — Ground |
| Pin 126 | VSS — Ground |
| Pin 127 | VSS — Ground |
| Pin 128 | VSS — Ground |
| Pin 129 | VSS — Ground |
| Pin 130 | VSS — Ground |
| Pin 131 | VSS — Ground |
| Pin 132 | VSS — Ground |
| Pin 133 | PLL_VDD — PLL supply voltage |
| Pin 134 | PLL_VSS — PLL ground |
| Pin 135 | JTAG_TCK — JTAG test clock |
| Pin 136 | JTAG_TMS — JTAG test mode select |
| Pin 137 | JTAG_TDI — JTAG test data in |
| Pin 138 | JTAG_TDO — JTAG test data out |
| Pin 139 | JTAG_TRST — JTAG test reset |
| Pin 140 | NC — Not connected (per datasheet) |
| Pin 141 | NC — Not connected (per datasheet) |
| Pin 142 | NC — Not connected (per datasheet) |
| Pin 143 | NC — Not connected (per datasheet) |
| Pin 144 | NC — Not connected (per datasheet) |
Typical Applications
MCF5249LPV120 is suitable for 6 applications: Networked Audio Streaming Appliance, Industrial HMI Panel with Audio Prompts, Point-of-Sale Terminal with Audio Feedback, Embedded Audio Recorder / Dictation Device, Basic VoIP Endpoint / Intercom Unit, Legacy Maintenance / Lifecycle-Buy Inventory.
Networked Audio Streaming Appliance
The MCF5249LPV120's Coldfire V2 core at 120 MHz, dedicated I2S block, and serial-audio peripheral make it a strong fit for networked audio appliances that decode compressed audio and push samples to a DAC. With 96 KB of on-chip SRAM it can buffer several frames of compressed audio while leaving CPU headroom for network stack and control tasks. Pair the chip with an external SDRAM for decode scratch and a small flash for firmware; the ROMless bus accommodates either transparently. In a typical design, the I2S block feeds an external stereo DAC while the DMA controller moves samples without CPU intervention, freeing cycles for HTTP streaming and user-interface logic.
Recommended
Industrial HMI Panel with Audio Prompts
Industrial HMI panels that combine a graphical display with audio cues benefit from the MCF5249LPV120's mix of 34 GPIO lines for display/keypad control and an I2S interface for prompt playback. The 120 MHz Coldfire V2 core handles HMI logic, while DMA-driven I2S playback triggers voice prompts without adding CPU jitter. The ROMless external bus lets designers size flash to fit large multilingual prompt libraries. Compared with smaller Cortex-M parts, the Coldfire V2 has more RAM headroom and richer legacy code support, which simplifies porting existing HMI stacks.
Recommended
Point-of-Sale Terminal with Audio Feedback
POS terminals that play confirmation beeps and voice prompts benefit from the MCF5249LPV120's audio peripherals and generous SRAM. The 32-bit Coldfire V2 core at 120 MHz can simultaneously run transaction logic, drive a thermal printer over UART, and stream prompts to a small amplifier via I2S. External flash through the bus holds localized prompt libraries. Compared with 8-bit MCUs, the '5249LPV120 gives POS designers enough RAM to buffer magnetic-stripe or smartcard data while audio playback runs in parallel.
Recommended
Embedded Audio Recorder / Dictation Device
Handheld dictation devices can leverage the MCF5249LPV120's DMA, I2S, and serial-audio peripherals to capture and compress microphone audio with minimal CPU overhead. The 96 KB on-chip SRAM provides working buffer for compression passes, while an external SD card on the Memory Card interface stores the encoded audio files. The 120 MHz core leaves enough headroom to run a lightweight ADPCM or CELP codec in real time. Coldfire V2's deterministic interrupt latency also helps maintain clean audio timing during sample-rate conversion.
Recommended
Basic VoIP Endpoint / Intercom Unit
Low-channel-count VoIP endpoints and intercom units can use the MCF5249LPV120 as the host controller, with the I2S interface feeding a codec and the SPI or UART bridging to a network processor or external Ethernet MAC. The 120 MHz Coldfire V2 core handles G.711 or basic G.729 transcoding for single-channel voice. The external bus accommodates the flash and SDRAM needed for codec tables and packet buffers. Designers should pay attention to bus arbitation between DMA-driven audio and network packet movement to avoid under-runs.
Recommended
Legacy Maintenance / Lifecycle-Buy Inventory
Because the MCF5249LPV120 is end-of-life, a substantial use case is keeping installed equipment running: repairing existing audio appliances, sustaining field-deployed intercoms, and stockpiling inventory ahead of supply tightening. The 144-LQFP package remains in production at subcontractor lines, and authorized distributors still carry limited stock for maintenance orders. Procurement teams should validate authenticity and request date codes when sourcing from independent brokers to avoid counterfeit parts in this obsolete SKU.
Recommended
Recommended Products Summary
Engineering reference data for MCF5249LPV120 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MCF5249CAG120 | MCF5249VF120 | MCF52259CAG80 | MCF52223CAF80 |
|---|---|---|---|---|---|
| Package | 144-LQFP (20x20 mm) | 144-LQFP (verify dimensions) | 144-LQFP | 144-LQFP | 144-LQFP |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | Coldfire V2 | Coldfire V2 | Coldfire V2 | Coldfire V2 | Coldfire V2 |
| Core Speed | 120 MHz | 120 MHz | 120 MHz | 80 MHz | 80 MHz |
| I2S / Serial Audio | Yes | Yes | Yes | Yes | Yes |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Key Differentiators
- Higher core clock for CPU-bound DSP (vs MCF52259CAG80)
- ROMless external bus for flexible memory sizing (vs Internal-flash Cortex-M MCUs)
- Dedicated I2S / serial-audio peripheral set (vs General-purpose UART/SPI MCUs without I2S)
Design Notes
Estimated: the MCF5249LPV120 typically draws 60-120 mA from a 3.3 V supply at 120 MHz with active DMA and I2S. Provide at least 10 uF of bulk decoupling plus 0.1 uF ceramic caps on every VDD/VDDIO pin, with separate analog and digital ground islands if the design has a codec on-chip. PLL_VDD should be heavily decoupled with a 1 uF ceramic and a ferrite bead to keep phase noise out of the audio path.
Route the external address/data bus with matched-length traces (delta under 50 ps) to avoid bus skew; the 120 MHz core generates tight timing margins on the chip-select and byte-strobe lines. Keep SDRAM traces short and isolate them from the I2S / analog sections to prevent bus switching noise from leaking into audio outputs. Reference Chapter 22 of the SCF5250 Users Manual (SCF5250UM) for the official PCB layout checklist.
Do not assume all MCF524x variants are drop-in compatible - different speed grades and peripheral mixes are encoded in the part suffix. Always validate the boot mode strapping resistors against the chosen variant's datasheet, and confirm that the JTAG_TRST line is pulled correctly to avoid debug-port lockups. When migrating firmware between Coldfire V2 devices, double-check that the interrupt-controller vector base and DMA channel priorities match the target variant.
Compliance Information
RoHS, REACH, lead-free, halogen-free, and conflict-minerals data were not surfaced in the verified web search results and are marked unknown pending direct verification against the manufacturer datasheet or product page. The MCF5249LPV120 is a non-automotive industrial / consumer part, so AEC-Q100 qualification is not applicable.
