MCF5249LPV120 - Coldfire V2 120MHz 32-bit MCU, 144-LQFP | NXP
MPN: MCF5249LPV120 ✗ סוף ייצורMCF5249LPV120 סקירה
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.
חלופות תחליף ישיר עבור MCF5249LPV120 — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם MCF5249LPV120 (אותו גורם צורה וטביעת רגל) — שונים ב Core Processor, Connectivity, Package, Peripherals, Flash Memory.
MCF5249CAG120
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
MCF5249VF120
✅ Drop-In ⚠️ מפרטים לא מאומתים📋 חלופה להתייחסות (לא בקטלוג)
MCF52259CAG80
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MCF52223CAF80
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←MCF5249LPV120 דירוגים מרביים ומאפיינים חשמליים
| 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 |
| מארז / Case | 144-LQFP (20x20 mm) |
| סוג הרכבה | Surface Mount |
| Series | MCF524x |
| Packaging | Tray |
| Part Status | Obsolete |
תצורת פינים של MCF5249LPV120
| פין 1 | A0 — External address bus bit 0 |
| פין 2 | A1 — External address bus bit 1 |
| פין 3 | A2 — External address bus bit 2 |
| פין 4 | A3 — External address bus bit 3 |
| פין 5 | A4 — External address bus bit 4 |
| פין 6 | A5 — External address bus bit 5 |
| פין 7 | A6 — External address bus bit 6 |
| פין 8 | A7 — External address bus bit 7 |
| פין 9 | A8 — External address bus bit 8 |
| פין 10 | A9 — External address bus bit 9 |
| פין 11 | A10 — External address bus bit 10 |
| פין 12 | A11 — External address bus bit 11 |
| פין 13 | A12 — External address bus bit 12 |
| פין 14 | A13 — External address bus bit 13 |
| פין 15 | A14 — External address bus bit 14 |
| פין 16 | A15 — External address bus bit 15 |
| פין 17 | A16 — External address bus bit 16 |
| פין 18 | A17 — External address bus bit 17 |
| פין 19 | A18 — External address bus bit 18 |
| פין 20 | A19 — External address bus bit 19 |
| פין 21 | A20 — External address bus bit 20 |
| פין 22 | A21 — External address bus bit 21 |
| פין 23 | A22 — External address bus bit 22 |
| פין 24 | A23 — External address bus bit 23 |
| פין 25 | D0 — External data bus bit 0 |
| פין 26 | D1 — External data bus bit 1 |
| פין 27 | D2 — External data bus bit 2 |
| פין 28 | D3 — External data bus bit 3 |
| פין 29 | D4 — External data bus bit 4 |
| פין 30 | D5 — External data bus bit 5 |
| פין 31 | D6 — External data bus bit 6 |
| פין 32 | D7 — External data bus bit 7 |
| פין 33 | D8 — External data bus bit 8 |
| פין 34 | D9 — External data bus bit 9 |
| פין 35 | D10 — External data bus bit 10 |
| פין 36 | D11 — External data bus bit 11 |
| פין 37 | D12 — External data bus bit 12 |
| פין 38 | D13 — External data bus bit 13 |
| פין 39 | D14 — External data bus bit 14 |
| פין 40 | D15 — External data bus bit 15 |
| פין 41 | D16 — External data bus bit 16 |
| פין 42 | D17 — External data bus bit 17 |
| פין 43 | D18 — External data bus bit 18 |
| פין 44 | D19 — External data bus bit 19 |
| פין 45 | D20 — External data bus bit 20 |
| פין 46 | D21 — External data bus bit 21 |
| פין 47 | D22 — External data bus bit 22 |
| פין 48 | D23 — External data bus bit 23 |
| פין 49 | D24 — External data bus bit 24 |
| פין 50 | D25 — External data bus bit 25 |
| פין 51 | D26 — External data bus bit 26 |
| פין 52 | D27 — External data bus bit 27 |
| פין 53 | D28 — External data bus bit 28 |
| פין 54 | D29 — External data bus bit 29 |
| פין 55 | D30 — External data bus bit 30 |
| פין 56 | D31 — External data bus bit 31 |
| פין 57 | CS0 — Chip select 0 |
| פין 58 | CS1 — Chip select 1 |
| פין 59 | CS2 — Chip select 2 |
| פין 60 | CS3 — Chip select 3 |
| פין 61 | OE — Output enable |
| פין 62 | WE — Write enable |
| פין 63 | BS0 — Byte strobe 0 |
| פין 64 | BS1 — Byte strobe 1 |
| פין 65 | BS2 — Byte strobe 2 |
| פין 66 | BS3 — Byte strobe 3 |
| פין 67 | TA — Transfer acknowledge |
| פין 68 | TEA — Transfer error acknowledge |
| פין 69 | R/W — Read/write control |
| פין 70 | TS — Transfer start |
| פין 71 | TT0 — Transfer type 0 |
| פין 72 | TT1 — Transfer type 1 |
| פין 73 | TIP — Transfer in progress |
| פין 74 | UART0_TX — UART0 transmit |
| פין 75 | UART0_RX — UART0 receive |
| פין 76 | UART1_TX — UART1 transmit |
| פין 77 | UART1_RX — UART1 receive |
| פין 78 | SPI_MOSI — SPI master out / slave in |
| פין 79 | SPI_MISO — SPI master in / slave out |
| פין 80 | SPI_SCK — SPI serial clock |
| פין 81 | SPI_CS — SPI chip select |
| פין 82 | I2C_SDA — I2C serial data |
| פין 83 | I2C_SCL — I2C serial clock |
| פין 84 | I2S_MCLK — I2S master clock |
| פין 85 | I2S_BCLK — I2S bit clock |
| פין 86 | I2S_LRCLK — I2S left-right clock |
| פין 87 | I2S_DATA_OUT — I2S serial data out |
| פין 88 | I2S_DATA_IN — I2S serial data in |
| פין 89 | GPIO0 — General-purpose I/O 0 |
| פין 90 | GPIO1 — General-purpose I/O 1 |
| פין 91 | GPIO2 — General-purpose I/O 2 |
| פין 92 | GPIO3 — General-purpose I/O 3 |
| פין 93 | GPIO4 — General-purpose I/O 4 |
| פין 94 | GPIO5 — General-purpose I/O 5 |
| פין 95 | GPIO6 — General-purpose I/O 6 |
| פין 96 | GPIO7 — General-purpose I/O 7 |
| פין 97 | IRQ1 — External interrupt request 1 |
| פין 98 | IRQ2 — External interrupt request 2 |
| פין 99 | IRQ3 — External interrupt request 3 |
| פין 100 | IRQ4 — External interrupt request 4 |
| פין 101 | IRQ5 — External interrupt request 5 |
| פין 102 | IRQ6 — External interrupt request 6 |
| פין 103 | IRQ7 — External interrupt request 7 |
| פין 104 | TIN0 — Timer input 0 |
| פין 105 | TOUT0 — Timer output 0 |
| פין 106 | TIN1 — Timer input 1 |
| פין 107 | TOUT1 — Timer output 1 |
| פין 108 | TIN2 — Timer input 2 |
| פין 109 | TOUT2 — Timer output 2 |
| פין 110 | TIN3 — Timer input 3 |
| פין 111 | TOUT3 — Timer output 3 |
| פין 112 | RESET — External reset input |
| פין 113 | RSTOUT — Reset output to external circuitry |
| פין 114 | CLKIN — External clock input |
| פין 115 | XTAL — Crystal oscillator terminal |
| פין 116 | EXTAL — External clock / crystal terminal |
| פין 117 | VDD |
| פין 118 | VDD — Core supply voltage (3.3 V) |
| פין 119 | VDD — Core supply voltage (3.3 V) |
| פין 120 | VDD — Core supply voltage (3.3 V) |
| פין 121 | VDDIO — I/O supply voltage (3.3 V) |
| פין 122 | VDDIO — I/O supply voltage (3.3 V) |
| פין 123 | VDDIO — I/O supply voltage (3.3 V) |
| פין 124 | VDDIO — I/O supply voltage (3.3 V) |
| פין 125 | VSS — Ground |
| פין 126 | VSS — Ground |
| פין 127 | VSS — Ground |
| פין 128 | VSS — Ground |
| פין 129 | VSS — Ground |
| פין 130 | VSS — Ground |
| פין 131 | VSS — Ground |
| פין 132 | VSS — Ground |
| פין 133 | PLL_VDD — PLL supply voltage |
| פין 134 | PLL_VSS — PLL ground |
| פין 135 | JTAG_TCK — JTAG test clock |
| פין 136 | JTAG_TMS — JTAG test mode select |
| פין 137 | JTAG_TDI — JTAG test data in |
| פין 138 | JTAG_TDO — JTAG test data out |
| פין 139 | JTAG_TRST — JTAG test reset |
| פין 140 | NC — Not connected (per datasheet) |
| פין 141 | NC — Not connected (per datasheet) |
| פין 142 | NC — Not connected (per datasheet) |
| פין 143 | NC — Not connected (per datasheet) |
| פין 144 | NC — Not connected (per datasheet) |
יישומים טיפוסיים
MCF5249LPV120 מתאים עבור 6 יישוםs: 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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
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.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור MCF5249LPV120 — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | 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 |
מבדילים עיקריים
- Higher core clock for CPU-bound DSP (לעומתMCF52259CAG80)
- ROMless external bus for flexible memory sizing (לעומתInternal-flash Cortex-M MCUs)
- Dedicated I2S / serial-audio peripheral set (לעומתGeneral-purpose UART/SPI MCUs without I2S)
הערות תכנון
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.
מידע על תאימות
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.
