AT91SAM9M10-CU

The AT91SAM9M10-CU is a single-core ARM926EJ-S microprocessor running at 400 MHz, designed for embedded multimedia and connectivity applications. It integrates a broad set of peripherals—multiformat video decode, LCD and camera interfaces, multiple USB modes and 10/100 Mbps Ethernet—making it suited for media-rich displays, control panels, POS terminals, entertainment systems and internet appliances.

With multiple memory interface options and an internal tightly coupled SRAM and ROM, the device targets designs that need sustained system bandwidth, flexible storage options and compact system integration.

Key Features

• Core ARM926EJ-S 32-bit processor running at 400 MHz with instruction and data caches and an MMU for embedded OS support.
• Memory Interfaces Integrated controllers for DDR2 and LPDDR (4-bank), SDR/LPSDR and external static memories; supports SLC NAND Flash with ECC and CompactFlash® host interfaces.
• On-chip Memory One 64-KByte internal SRAM (configurable as tightly coupled memory/TCM) and one 64-KByte internal ROM containing a bootstrap routine.
• Multimedia and Display Hardware multi-format video decoder supporting H.264, MPEG-4, MPEG-2, VC-1 and H.263; LCD controller supporting STN and TFT up to 1280×860; ITU-R BT.601/656 image sensor interface and hardware image post-processing (scaling, color conversion, rotation).
• Connectivity 10/100 Mbps Ethernet MAC and full USB subsystem with USB Device High Speed, USB Host High Speed and USB Host Full Speed via on-chip transceiver.
• Peripheral Set Two high-speed memory card hosts (SDIO/SDCard/MMC), AC'97 controller, multiple USARTs (ISO7816, IrDA, Manchester, SPI modes), SPI, I2S-capable synchronous serial controllers, PWM, timers and an 8-channel 10-bit ADC with 4-wire touchscreen support.
• System & Performance 133 MHz multi-layer AHB bus matrix, 37 DMA channels, one system PLL plus a 480 MHz PLL optimized for USB, and boot options from NAND Flash, SDCard, DataFlash or serial DataFlash.
• Power & I/O I/Os configurable for 1.8 V or 3.3 V operation; power management features include clock gating and a battery backup section to reduce active and standby power.
• Package & Temperature 324-ball TFBGA package (15×15, 0.8 mm pitch) for surface-mount assembly; industrial operating temperature range −40 °C to 85 °C.

Typical Applications

• Media-rich Human Machine Interfaces — Drives TFT/STN displays and touchscreen input with on-chip LCD controller and touch-screen ADC support for control panels and operator interfaces.
• Multimedia Players and Set-top Devices — Hardware video decoder and image post-processing enable playback and display of H.264, MPEG and related video formats.
• Point-of-Sale (POS) Terminals — Integrated connectivity (Ethernet, USB, SDIO) and multimedia support for interactive terminals and customer displays.
• Embedded Internet Appliances — Networked devices that require integrated Ethernet, USB host/device and flexible flash/DDR memory options for storage and application code.

Unique Advantages

• Highly Integrated Multimedia Subsystem: On-chip video decoder, LCD controller and image interface reduce external component count for display and video applications.
• Flexible Memory Support: Native controllers for DDR2/LPDDR, SDR/LPSDR and SLC NAND Flash with ECC allow designers to choose storage and memory technologies to match cost and performance targets.
• Broad Connectivity: Built-in 10/100 Mbps Ethernet plus USB device and host modes enable diverse wired and peripheral connectivity without extra controller chips.
• Deterministic Memory Access: 64-KByte SRAM configurable as TCM and 37 DMA channels deliver sustained bandwidth for high-throughput peripherals and media pipelines.
• Dual-voltage I/O: 1.8 V and 3.3 V configurable I/Os remove the need for external level shifters in mixed-voltage systems.
• Industrial-grade Temperature Range: Specified operation from −40 °C to 85 °C for deployment in commercial and industrial environments.

Why Choose AT91SAM9M10-CU?

The AT91SAM9M10-CU from Microchip Technology combines a 400 MHz ARM926EJ-S core with a comprehensive set of multimedia, connectivity and memory interfaces to address embedded designs that require integrated display, video decode and networked I/O. Its on-chip peripherals and flexible memory support simplify system architecture while providing the bandwidth and boot options needed for complex embedded applications.

This MPU is well suited for engineers building media-rich HMIs, POS systems, entertainment devices and networked appliances where integration, flexible storage options and industrial temperature operation are priorities.

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