MCF5249LPV120 - Coldfire V2 120MHz 32-bit MCU, 144-LQFP | NXP
MPN: MCF5249LPV120 ✗ Cuối đờiMCF5249LPV120 Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho MCF5249LPV120 — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với MCF5249LPV120 (cùng hình factor và footprint) — khác nhau ở Core Processor, Connectivity, Package, Peripherals, Flash Memory.
MCF5249CAG120
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MCF5249VF120
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
MCF52259CAG80
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MCF52223CAF80
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →MCF5249LPV120 Tỷ lệ tối đa & tính chất điện
| 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 |
| Hộp / Vỏ | 144-LQFP (20x20 mm) |
| Kiểu lắp đặt | Surface Mount |
| Series | MCF524x |
| Packaging | Tray |
| Part Status | Obsolete |
Cấu hình chân MCF5249LPV120
| Chân 1 | A0 — External address bus bit 0 |
| Chân 2 | A1 — External address bus bit 1 |
| Chân 3 | A2 — External address bus bit 2 |
| Chân 4 | A3 — External address bus bit 3 |
| Chân 5 | A4 — External address bus bit 4 |
| Chân 6 | A5 — External address bus bit 5 |
| Chân 7 | A6 — External address bus bit 6 |
| Chân 8 | A7 — External address bus bit 7 |
| Chân 9 | A8 — External address bus bit 8 |
| Chân 10 | A9 — External address bus bit 9 |
| Chân 11 | A10 — External address bus bit 10 |
| Chân 12 | A11 — External address bus bit 11 |
| Chân 13 | A12 — External address bus bit 12 |
| Chân 14 | A13 — External address bus bit 13 |
| Chân 15 | A14 — External address bus bit 14 |
| Chân 16 | A15 — External address bus bit 15 |
| Chân 17 | A16 — External address bus bit 16 |
| Chân 18 | A17 — External address bus bit 17 |
| Chân 19 | A18 — External address bus bit 18 |
| Chân 20 | A19 — External address bus bit 19 |
| Chân 21 | A20 — External address bus bit 20 |
| Chân 22 | A21 — External address bus bit 21 |
| Chân 23 | A22 — External address bus bit 22 |
| Chân 24 | A23 — External address bus bit 23 |
| Chân 25 | D0 — External data bus bit 0 |
| Chân 26 | D1 — External data bus bit 1 |
| Chân 27 | D2 — External data bus bit 2 |
| Chân 28 | D3 — External data bus bit 3 |
| Chân 29 | D4 — External data bus bit 4 |
| Chân 30 | D5 — External data bus bit 5 |
| Chân 31 | D6 — External data bus bit 6 |
| Chân 32 | D7 — External data bus bit 7 |
| Chân 33 | D8 — External data bus bit 8 |
| Chân 34 | D9 — External data bus bit 9 |
| Chân 35 | D10 — External data bus bit 10 |
| Chân 36 | D11 — External data bus bit 11 |
| Chân 37 | D12 — External data bus bit 12 |
| Chân 38 | D13 — External data bus bit 13 |
| Chân 39 | D14 — External data bus bit 14 |
| Chân 40 | D15 — External data bus bit 15 |
| Chân 41 | D16 — External data bus bit 16 |
| Chân 42 | D17 — External data bus bit 17 |
| Chân 43 | D18 — External data bus bit 18 |
| Chân 44 | D19 — External data bus bit 19 |
| Chân 45 | D20 — External data bus bit 20 |
| Chân 46 | D21 — External data bus bit 21 |
| Chân 47 | D22 — External data bus bit 22 |
| Chân 48 | D23 — External data bus bit 23 |
| Chân 49 | D24 — External data bus bit 24 |
| Chân 50 | D25 — External data bus bit 25 |
| Chân 51 | D26 — External data bus bit 26 |
| Chân 52 | D27 — External data bus bit 27 |
| Chân 53 | D28 — External data bus bit 28 |
| Chân 54 | D29 — External data bus bit 29 |
| Chân 55 | D30 — External data bus bit 30 |
| Chân 56 | D31 — External data bus bit 31 |
| Chân 57 | CS0 — Chip select 0 |
| Chân 58 | CS1 — Chip select 1 |
| Chân 59 | CS2 — Chip select 2 |
| Chân 60 | CS3 — Chip select 3 |
| Chân 61 | OE — Output enable |
| Chân 62 | WE — Write enable |
| Chân 63 | BS0 — Byte strobe 0 |
| Chân 64 | BS1 — Byte strobe 1 |
| Chân 65 | BS2 — Byte strobe 2 |
| Chân 66 | BS3 — Byte strobe 3 |
| Chân 67 | TA — Transfer acknowledge |
| Chân 68 | TEA — Transfer error acknowledge |
| Chân 69 | R/W — Read/write control |
| Chân 70 | TS — Transfer start |
| Chân 71 | TT0 — Transfer type 0 |
| Chân 72 | TT1 — Transfer type 1 |
| Chân 73 | TIP — Transfer in progress |
| Chân 74 | UART0_TX — UART0 transmit |
| Chân 75 | UART0_RX — UART0 receive |
| Chân 76 | UART1_TX — UART1 transmit |
| Chân 77 | UART1_RX — UART1 receive |
| Chân 78 | SPI_MOSI — SPI master out / slave in |
| Chân 79 | SPI_MISO — SPI master in / slave out |
| Chân 80 | SPI_SCK — SPI serial clock |
| Chân 81 | SPI_CS — SPI chip select |
| Chân 82 | I2C_SDA — I2C serial data |
| Chân 83 | I2C_SCL — I2C serial clock |
| Chân 84 | I2S_MCLK — I2S master clock |
| Chân 85 | I2S_BCLK — I2S bit clock |
| Chân 86 | I2S_LRCLK — I2S left-right clock |
| Chân 87 | I2S_DATA_OUT — I2S serial data out |
| Chân 88 | I2S_DATA_IN — I2S serial data in |
| Chân 89 | GPIO0 — General-purpose I/O 0 |
| Chân 90 | GPIO1 — General-purpose I/O 1 |
| Chân 91 | GPIO2 — General-purpose I/O 2 |
| Chân 92 | GPIO3 — General-purpose I/O 3 |
| Chân 93 | GPIO4 — General-purpose I/O 4 |
| Chân 94 | GPIO5 — General-purpose I/O 5 |
| Chân 95 | GPIO6 — General-purpose I/O 6 |
| Chân 96 | GPIO7 — General-purpose I/O 7 |
| Chân 97 | IRQ1 — External interrupt request 1 |
| Chân 98 | IRQ2 — External interrupt request 2 |
| Chân 99 | IRQ3 — External interrupt request 3 |
| Chân 100 | IRQ4 — External interrupt request 4 |
| Chân 101 | IRQ5 — External interrupt request 5 |
| Chân 102 | IRQ6 — External interrupt request 6 |
| Chân 103 | IRQ7 — External interrupt request 7 |
| Chân 104 | TIN0 — Timer input 0 |
| Chân 105 | TOUT0 — Timer output 0 |
| Chân 106 | TIN1 — Timer input 1 |
| Chân 107 | TOUT1 — Timer output 1 |
| Chân 108 | TIN2 — Timer input 2 |
| Chân 109 | TOUT2 — Timer output 2 |
| Chân 110 | TIN3 — Timer input 3 |
| Chân 111 | TOUT3 — Timer output 3 |
| Chân 112 | RESET — External reset input |
| Chân 113 | RSTOUT — Reset output to external circuitry |
| Chân 114 | CLKIN — External clock input |
| Chân 115 | XTAL — Crystal oscillator terminal |
| Chân 116 | EXTAL — External clock / crystal terminal |
| Chân 117 | VDD |
| Chân 118 | VDD — Core supply voltage (3.3 V) |
| Chân 119 | VDD — Core supply voltage (3.3 V) |
| Chân 120 | VDD — Core supply voltage (3.3 V) |
| Chân 121 | VDDIO — I/O supply voltage (3.3 V) |
| Chân 122 | VDDIO — I/O supply voltage (3.3 V) |
| Chân 123 | VDDIO — I/O supply voltage (3.3 V) |
| Chân 124 | VDDIO — I/O supply voltage (3.3 V) |
| Chân 125 | VSS — Ground |
| Chân 126 | VSS — Ground |
| Chân 127 | VSS — Ground |
| Chân 128 | VSS — Ground |
| Chân 129 | VSS — Ground |
| Chân 130 | VSS — Ground |
| Chân 131 | VSS — Ground |
| Chân 132 | VSS — Ground |
| Chân 133 | PLL_VDD — PLL supply voltage |
| Chân 134 | PLL_VSS — PLL ground |
| Chân 135 | JTAG_TCK — JTAG test clock |
| Chân 136 | JTAG_TMS — JTAG test mode select |
| Chân 137 | JTAG_TDI — JTAG test data in |
| Chân 138 | JTAG_TDO — JTAG test data out |
| Chân 139 | JTAG_TRST — JTAG test reset |
| Chân 140 | NC — Not connected (per datasheet) |
| Chân 141 | NC — Not connected (per datasheet) |
| Chân 142 | NC — Not connected (per datasheet) |
| Chân 143 | NC — Not connected (per datasheet) |
| Chân 144 | NC — Not connected (per datasheet) |
Ứng dụng tiêu biểu
MCF5249LPV120 phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho MCF5249LPV120 — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- Higher core clock for CPU-bound DSP (vsMCF52259CAG80)
- ROMless external bus for flexible memory sizing (vsInternal-flash Cortex-M MCUs)
- Dedicated I2S / serial-audio peripheral set (vsGeneral-purpose UART/SPI MCUs without I2S)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
