SCF5250AG120 - 120MHz ColdFire V2 32-bit MPU | NXP/Freescale
Артикул: SCF5250AG120 ✗ Снят с производства| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $28.5 | $28,50 |
| 10 | $24.2 | $242,00 |
| 100 | $19.8 | $1.980,00 |
| 500 | $17.4 | $8.700,00 |
| 1.000 | $15.6 | $15.600,00 |
SCF5250AG120 Обзор
A ColdFire V2 microprocessor is a member of the 32-bit ColdFire family originally derived from the Motorola 68000 architecture. ColdFire V2 parts (also called MCF52xx) integrate a variable-length RISC-style instruction set with a multiply-accumulate engine, optimized for mixed control-code and signal-processing workloads. Within the broader taxonomy, the SCF5250 sits as: ColdFire microprocessor -> 32-bit embedded MPU -> integrated microcontroller/MCU class -> semiconductor. ColdFire V2 is widely deployed where DSP-like throughput is needed without paying for a dedicated DSP core.
Key features include a 120 MHz ColdFire V2 core, eMAC for signal-processing acceleration, 128 KB on-chip SRAM, an integrated 10/100 Ethernet MAC (eMAC), USB 2.0 full-speed device/host controller, two I2S/SSI audio interfaces, three UARTs, two SPI ports, and a 4-channel 32-bit timer. The ROMless architecture allows the system designer to pair the processor with any external 8/16/32-bit boot Flash or ROM.
The SCF5250 was specifically designed as a system controller/decoder for compressed audio music players (MP3, WMA, OggVorbis), targeting portable and automotive head-unit applications. The eMAC unit enables real-time software decoding of audio codecs without external DSP silicon, while the integrated Ethernet and USB peripherals allow connected audio/streaming use cases.
Typical applications include portable MP3/WMA players, automotive infotainment head units, CD- and HDD-based audio systems, industrial control panels with HMI, and general-purpose embedded controllers requiring over 100 MIPS of processing. Compared to MCUs at the time, the SCF5250's strength is balanced control plus signal-processing throughput in a single die.
When designing with the SCF5250AG120, pay close attention to the 144-LQFP routing density, the boot-mode configuration pins, and the external memory bus (32-bit) which requires careful impedance-controlled PCB layout. Decoupling follows standard ColdFire guidelines: 0.1 µF ceramic on every VDD/VSS pair plus bulk tantalum on the 3.3 V rail.
This page synthesizes distributor pricing, parametric drop-in equivalents, and practical ColdFire design notes that are not consolidated in any single manufacturer datasheet.
Аналоги без доработки для SCF5250AG120 — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с SCF5250AG120 (тот же форм-фактор и посадочное место) — отличается по Program Memory Type.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
SCF5250CAG120
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
MCF5207CAG166
✅ Прямая замена✓ В наличии
$9.75 / шт.
Открыть даташит →SCF5250AG120 Максимальные параметры и электрические характеристики
| Core Architecture | ColdFire V2 (32-bit) |
| Core Clock Speed | 120 MHz |
| Dhrystone Performance | 107 MIPS (Dhrystone 2.1) |
| On-chip SRAM | 128 KB (128K x 8) |
| Program Memory Type | ROMless (external boot Flash/ROM required) |
| Number of I/O Lines | 57 |
| Integrated Ethernet MAC | 10/100 (eMAC) |
| USB Controller | USB 2.0 full-speed device/host |
| Audio Interfaces | 2x I2S/SSI |
| UART | 3x |
| SPI | 2x |
| Timer | 4-channel 32-bit |
| External Data Bus | 32-bit |
| Корпус | 144-LQFP (20x20 mm) |
Конфигурация выводов SCF5250AG120
| Контакт 1 | VDD — Core supply (3.3 V) |
| Контакт 2 | VSS — Ground |
| Контакт 3 | A0 — External address bus bit 0 |
| Контакт 4 | A1 — External address bus bit 1 |
| Контакт 5 | A2 — External address bus bit 2 |
| Контакт 6 | A3 — External address bus bit 3 |
| Контакт 7 | A4 — External address bus bit 4 |
| Контакт 8 | A5 — External address bus bit 5 |
| Контакт 9 | A6 — External address bus bit 6 |
| Контакт 10 | A7 — External address bus bit 7 |
| Контакт 11 | A8 — External address bus bit 8 |
| Контакт 12 | A9 — External address bus bit 9 |
| Контакт 13 | A10 — External address bus bit 10 |
| Контакт 14 | A11 — External address bus bit 11 |
| Контакт 15 | A12 — External address bus bit 12 |
| Контакт 16 | A13 — External address bus bit 13 |
| Контакт 17 | A14 — External address bus bit 14 |
| Контакт 18 | A15 — External address bus bit 15 |
| Контакт 19 | A16 — External address bus bit 16 |
| Контакт 20 | A17 — External address bus bit 17 |
| Контакт 21 | A18 — External address bus bit 18 |
| Контакт 22 | A19 — External address bus bit 19 |
| Контакт 23 | A20 — External address bus bit 20 |
| Контакт 24 | A21 — External address bus bit 21 |
| Контакт 25 | A22 — External address bus bit 22 |
| Контакт 26 | A23 — External address bus bit 23 |
| Контакт 27 | D0 — External data bus bit 0 |
| Контакт 28 | D1 — External data bus bit 1 |
| Контакт 29 | D2 — External data bus bit 2 |
| Контакт 30 | D3 — External data bus bit 3 |
| Контакт 31 | D4 — External data bus bit 4 |
| Контакт 32 | D5 — External data bus bit 5 |
| Контакт 33 | D6 — External data bus bit 6 |
| Контакт 34 | D7 — External data bus bit 7 |
| Контакт 35 | D8 — External data bus bit 8 |
| Контакт 36 | D9 — External data bus bit 9 |
| Контакт 37 | D10 — External data bus bit 10 |
| Контакт 38 | D11 — External data bus bit 11 |
| Контакт 39 | D12 — External data bus bit 12 |
| Контакт 40 | D13 — External data bus bit 13 |
| Контакт 41 | D14 — External data bus bit 14 |
| Контакт 42 | D15 — External data bus bit 15 |
| Контакт 43 | D16 — External data bus bit 16 |
| Контакт 44 | D17 — External data bus bit 17 |
| Контакт 45 | D18 — External data bus bit 18 |
| Контакт 46 | D19 — External data bus bit 19 |
| Контакт 47 | D20 — External data bus bit 20 |
| Контакт 48 | D21 — External data bus bit 21 |
| Контакт 49 | D22 — External data bus bit 22 |
| Контакт 50 | D23 — External data bus bit 23 |
| Контакт 51 | D24 — External data bus bit 24 |
| Контакт 52 | D25 — External data bus bit 25 |
| Контакт 53 | D26 — External data bus bit 26 |
| Контакт 54 | D27 — External data bus bit 27 |
| Контакт 55 | D28 — External data bus bit 28 |
| Контакт 56 | D29 — External data bus bit 29 |
| Контакт 57 | D30 — External data bus bit 30 |
| Контакт 58 | D31 — External data bus bit 31 |
| Контакт 59 | RAS — SDRAM row address strobe |
| Контакт 60 | CAS — SDRAM column address strobe |
| Контакт 61 | WE — SDRAM/Flash write enable |
| Контакт 62 | OE — Output enable for external Flash/ROM |
| Контакт 63 | CS0 — Chip select 0 (boot Flash/ROM) |
| Контакт 64 | CS1 — Chip select 1 |
| Контакт 65 | CS2 — Chip select 2 |
| Контакт 66 | CS3 — Chip select 3 |
| Контакт 67 | TXD0 — UART0 transmit |
| Контакт 68 | RXD0 — UART0 receive |
| Контакт 69 | TXD1 — UART1 transmit |
| Контакт 70 | RXD1 — UART1 receive |
| Контакт 71 | TXD2 — UART2 transmit |
| Контакт 72 | RXD2 — UART2 receive |
| Контакт 73 | MOSI0 — SPI0 master out / slave in |
| Контакт 74 | MISO0 — SPI0 master in / slave out |
| Контакт 75 | SCLK0 — SPI0 serial clock |
| Контакт 76 | PCS0 — SPI0 peripheral chip select |
| Контакт 77 | MOSI1 — SPI1 master out / slave in |
| Контакт 78 | MISO1 — SPI1 master in / slave out |
| Контакт 79 | SCLK1 — SPI1 serial clock |
| Контакт 80 | PCS1 — SPI1 peripheral chip select |
| Контакт 81 | STXD — SSI0 transmit data (I2S) |
| Контакт 82 | SRXD — SSI0 receive data (I2S) |
| Контакт 83 | SCLK_SSI0 — SSI0 bit clock |
| Контакт 84 | FS_SSI0 — SSI0 frame sync (LRCLK) |
| Контакт 85 | STXD1 — SSI1 transmit data (I2S) |
| Контакт 86 | SRXD1 — SSI1 receive data (I2S) |
| Контакт 87 | SCLK_SSI1 — SSI1 bit clock |
| Контакт 88 | FS_SSI1 — SSI1 frame sync (LRCLK) |
| Контакт 89 | USB_DP — USB 2.0 D+ |
| Контакт 90 | USB_DM — USB 2.0 D- |
| Контакт 91 | USB_VBUS — USB VBUS sense |
| Контакт 92 | ETH_TX+ — Ethernet transmit positive |
| Контакт 93 | ETH_TX- — Ethernet transmit negative |
| Контакт 94 | ETH_RX+ — Ethernet receive positive |
| Контакт 95 | ETH_RX- — Ethernet receive negative |
| Контакт 96 | TIN0 — Timer0 input |
| Контакт 97 | TOUT0 — Timer0 output |
| Контакт 98 | TIN1 — Timer1 input |
| Контакт 99 | TOUT1 — Timer1 output |
| Контакт 100 | TIN2 — Timer2 input |
| Контакт 101 | TOUT2 — Timer2 output |
| Контакт 102 | TIN3 — Timer3 input |
| Контакт 103 | TOUT3 — Timer3 output |
| Контакт 104 | IRQ0 — External interrupt 0 |
| Контакт 105 | IRQ1 — External interrupt 1 |
| Контакт 106 | IRQ2 — External interrupt 2 |
| Контакт 107 | IRQ3 — External interrupt 3 |
| Контакт 108 | IRQ4 — External interrupt 4 |
| Контакт 109 | IRQ5 — External interrupt 5 |
| Контакт 110 | IRQ6 — External interrupt 6 |
| Контакт 111 | IRQ7 — External interrupt 7 |
| Контакт 112 | RESET — Active-low hardware reset |
| Контакт 113 | RSTOUT — Reset output to external logic |
| Контакт 114 | BOOTMODE0 — Boot mode select 0 |
| Контакт 115 | BOOTMODE1 — Boot mode select 1 |
| Контакт 116 | TEST — Test mode (tie low in normal operation) |
| Контакт 117 | TCK — JTAG test clock |
| Контакт 118 | TMS — JTAG test mode select |
| Контакт 119 | TDI — JTAG test data in |
| Контакт 120 | TDO — JTAG test data out |
| Контакт 121 | TRST — JTAG test reset |
| Контакт 122 | PLL_VDD — PLL analog supply |
| Контакт 123 | PLL_VSS — PLL analog ground |
| Контакт 124 | XTAL_IN — Crystal oscillator input |
| Контакт 125 | XTAL_OUT — Crystal oscillator output |
| Контакт 126 | CLKOUT — System clock output |
| Контакт 127 | VDD — Core supply (3.3 V) |
| Контакт 128 | VSS — Ground |
| Контакт 129 | GPIO0 — General-purpose I/O 0 |
| Контакт 130 | GPIO1 — General-purpose I/O 1 |
| Контакт 131 | GPIO2 — General-purpose I/O 2 |
| Контакт 132 | GPIO3 — General-purpose I/O 3 |
| Контакт 133 | GPIO4 — General-purpose I/O 4 |
| Контакт 134 | GPIO5 — General-purpose I/O 5 |
| Контакт 135 | GPIO6 — General-purpose I/O 6 |
| Контакт 136 | GPIO7 — General-purpose I/O 7 |
| Контакт 137 | GPIO8 — General-purpose I/O 8 |
| Контакт 138 | GPIO9 — General-purpose I/O 9 |
| Контакт 139 | GPIO10 — General-purpose I/O 10 |
| Контакт 140 | GPIO11 — General-purpose I/O 11 |
| Контакт 141 | VDD — Core supply (3.3 V) |
| Контакт 142 | VSS — Ground |
| Контакт 143 | NC — Not connected (per datasheet) |
| Контакт 144 | NC — Not connected (per datasheet) |
Типичное применение
SCF5250AG120 подходит для 6 применениеs: Portable MP3/WMA Audio Player Decoder, Automotive CD/HDD Head-Unit System Controller, Industrial HMI Control Panel, Networked Audio Streaming Appliance, General-Purpose Embedded System Controller, USB Peripheral Audio Interface.
Portable MP3/WMA Audio Player Decoder
The SCF5250AG120's 120 MHz ColdFire V2 core plus enhanced multiplier-accumulator (eMAC) delivers over 107 Dhrystone MIPS - more than enough to software-decode MP3, WMA, and OggVorbis streams in real time without an external DSP. Designers pair the ROMless MPU with a small boot Flash and a DAC like the CS5531-ASZR or PCM4202. The integrated I2S/SSI ports feed audio data directly to the DAC while 128 KB of SRAM buffers frames. Compared to MCUs at the time, this is a true single-chip decoder plus system controller.
Рекомендуется
Automotive CD/HDD Head-Unit System Controller
In automotive infotainment the SCF5250AG120 functions as the central head-unit controller, decoding compressed audio from CD or HDD media while running HMI and CAN/LIN glue logic. The eMAC sustains codec throughput while the three UARTs handle telematics, the USB 2.0 controller interfaces to media sticks, and the integrated 10/100 Ethernet MAC enables connected-car streaming. The 144-LQFP package with extended-temperature variant (SCF5250CAG120) suits under-dash thermal environments.
Рекомендуется
Industrial HMI Control Panel
The SCF5250AG120's 57 GPIO lines, three UARTs, two SPIs, and 4-channel 32-bit timers make it well suited to industrial HMI panels driving small TFT displays and key matrices. The 120 MHz core runs control loops plus graphic rendering in software, removing the need for an external graphics controller. External 32-bit memory bus allows pairing with 8-32 MB of SDRAM for screen buffers and font caches. Designers add an opto-isolated UART for RS-485 fieldbus integration.
Рекомендуется
Networked Audio Streaming Appliance
The integrated 10/100 Ethernet MAC, USB 2.0 host, and I2S/SSI audio interfaces let the SCF5250AG120 function as a network audio receiver for streaming MP3/WMA/OggVorbis content from a home network. The eMAC handles real-time decoding while the Ethernet MAC manages TCP/IP stacks. With 128 KB SRAM and an external SDRAM bus, the MPU can buffer multiple seconds of compressed audio and run a lightweight embedded web server for control.
Рекомендуется
General-Purpose Embedded System Controller
With over 107 MIPS of processing power, the SCF5250AG120 serves as a general-purpose ColdFire V2 system controller for embedded products that need 32-bit performance without the cost of an external DSP. Use cases include motor control via PWM + ADC feedback, networked sensor aggregation, and protocol bridges. The ROMless architecture lets OEMs protect proprietary boot code in an encrypted external Flash. The 144-LQFP footprint supports hand-soldered prototypes and rework.
Рекомендуется
USB Peripheral Audio Interface
The integrated USB 2.0 full-speed device/host controller and two I2S/SSI audio interfaces let the SCF5250AG120 act as a USB-to-I2S bridge, presenting a USB Audio Class device to a host PC while driving an external DAC. The ColdFire V2 core handles USB protocol stack and audio sample-rate conversion in software. With 128 KB SRAM, the MPU can buffer at least one full USB microframe at 48 kHz/24-bit audio without dropping samples.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для SCF5250AG120 — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | SCF5250CAG120 | SCF5250CVM120 | SCF5250AFB120 | MCF5207CAG166 |
|---|---|---|---|---|---|
| Package | 144-LQFP (20x20 mm) | 144-LQFP - same | MAPBGA-196 - different | MAPBGA-196 - different | 144-LQFP - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core Clock | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 166 MHz (+38%) |
| On-chip SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 16 KB (-88%) |
| Program Memory Type | ROMless | ROMless | ROMless | ROMless | ROMless |
| Ethernet MAC | 10/100 (eMAC) | 10/100 (eMAC) | 10/100 (eMAC) | 10/100 (eMAC) | 10/100 (FEC) |
| USB Controller | USB 2.0 FS device/host | USB 2.0 FS device/host | USB 2.0 FS device/host | USB 2.0 FS device/host | USB 2.0 FS device/host |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Ключевые отличия
- Largest on-chip SRAM in the SCF5250 family at 120 MHz (против MCF5207CAG166)
- Enhanced multiplier-accumulator (eMAC) for software DSP (против MCF5207CAG166)
- Most stocked 144-LQFP variant of the SCF5250 family (против SCF5250CAG120)
Заметки по проектированию
Estimated: the 144-LQFP package with 0.5 mm pitch requires 4-layer PCB routing with continuous ground plane beneath the device. The 32-bit external data bus plus 24-bit address bus plus SDRAM control signals (RAS/CAS/WE/CS) demand impedance-controlled traces (~50 ohm single-ended) and matched trace lengths within ±1 cm across the byte lanes to avoid bus skew at 120 MHz. Place 0.1 µF ceramic decoupling on every VDD/VSS pair with bulk 10 µF tantalum on the 3.3 V rail close to the package.
The BOOTMODE0/BOOTMODE1 pins must be pulled to the correct logic levels at reset - selecting the wrong boot source will leave the ROMless SCF5250AG120 executing from a non-existent memory region and appearing 'dead'. Confirm both the boot mode and the external Flash chip-select mapping (CS0) before first power-up. Also verify the JTAG TRST pin is asserted at power-up to put the TAP controller in a known state; a floating TRST can prevent boundary-scan debug.
The USB 2.0 D+/D- pair and the 10/100 Ethernet differential pairs must be routed as 90 ohm differential traces with ground reference on the layer immediately below. Keep the USB DP/DM trace length matched within 150 mil and series-terminate close to the SCF5250AG120 pins. The Ethernet TX/RX pairs require an isolation transformer with center tap; reference the manufacturer reference design for the recommended magnetics part number.
Estimated: the 144-LQFP package has typical theta-JA around 35-40 C/W on a 4-layer JEDEC test board with 1 oz copper. At 120 MHz core clock with 3.3 V supply drawing ~250 mA, total power dissipation is roughly 0.8 W and junction rise above ambient is approximately 30-35 C. Industrial-temperature designs should still verify with a thermal probe at maximum ambient because closed enclosures can compound the rise.
Информация о соответствии
RoHS, REACH, lead-free, and halogen-free status for the SCF5250AG120 are not stated in the available distributor data. Per the Freescale/NXP datasheet the part is not AEC-Q100 qualified; the AG120 designation indicates standard commercial temperature. Lot-level compliance must be confirmed via the manufacturer CoC or distributor documentation before automotive or medical use.
