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AM3894_15 Datasheet, PDF (1/313 Pages) Texas Instruments – Sitara ARM Microprocessors | |||
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AM3894
AM3892
SPRS681G â OCTOBER 2010 â REVISED MARCH 2015
AM389x Sitaraâ¢
ARM® Microprocessors (MPUs)
1 Device Overview
1.1 Features
1
⢠High-Performance Sitara ARM® Microprocessors
(MPUs)
â ARM Cortexâ¢-A8 RISC Processor
⢠Up to 1.20 GHz
⢠ARM Cortex-A8 Core
â ARMv7 Architecture
⢠In-Order, Dual-Issue, Superscalar Processor
Core
⢠NEON⢠Multimedia Architecture
â Supports Integer and Floating Point (VFPv3-
IEEE754 Compliant)
⢠Jazelle® RCT Execution Environment
⢠ARM Cortex-A8 Memory Architecture
â 32-KB Instruction and Data Caches
â 256-KB L2 Cache
â 64-KB RAM, 48-KB of Boot ROM
⢠512KB of On-Chip Memory Controller (OCMC)
RAM
⢠SGX530 3D Graphics Engine (Available Only on
the AM3894 Device)
â Delivers up to 30 MTriangles per Second
â Universal Scalable Shader Engine
â Direct3D® Mobile, OpenGL® ES 1.1 and 2.0,
OpenVG⢠1.1, OpenMax⢠API Support
â Advanced Geometry DMA Driven Operation
â Programmable HQ Image Anti-Aliasing
⢠Endianness
â ARM Instructions and Data â Little Endian
⢠HD Video Processing Subsystem (HDVPSS)
â Two 165-MHz HD Video Capture Channels
⢠One 16-Bit or 24-Bit and One 16-Bit Channel
⢠Each Channel Splittable Into Dual 8-Bit
Capture Channels
â Two 165-MHz HD Video Display Channels
⢠One 16-Bit, 24-Bit, 30-Bit Channel and One
16-Bit Channel
â Simultaneous SD and HD Analog Output
â Digital HDMI 1.3 Transmitter with PHY with
HDCP up to 165-MHz Pixel Clock
â Three Graphics Layers
⢠Dual 32-Bit DDR2 and DDR3 SDRAM Interfaces
â Supports up to DDR2-800 and DDR3-1600
â Up to Eight x8 Devices Total
â 2GB of Total Address Space
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â Dynamic Memory Manager (DMM)
⢠Programmable Multi-Zone Memory Mapping
and Interleaving
⢠Enables Efficient 2D Block Accesses
⢠Supports Tiled Objects in 0°, 90°, 180°, or
270° Orientation and Mirroring
⢠Optimizes Interlaced Accesses
⢠One PCI Express® (PCIe) 2.0 Port with Integrated
PHY
â Single Port with 1 or 2 Lanes at 5.0 GT per
Second
â Configurable as Root Complex or Endpoint
⢠Serial ATA (SATA) 3.0 Gbps Controller with
Integrated PHYs
â Direct Interface for Two Hard Disk Drives
â Hardware-Assisted Native Command Queuing
(NCQ) from up to 32 Entries
â Supports Port Multiplier and Command-Based
Switching
⢠Two 10 Mbps, 100 Mbps, and 1000 Mbps Ethernet
MACs (EMAC)
â IEEE 802.3 Compliant (3.3-V I/O Only)
â MII and GMII Media Independent Interfaces
â Management Data I/O (MDIO) Module
⢠Dual USB 2.0 Ports with Integrated PHYs
â USB 2.0 High-Speed and Full-Speed Client
â USB 2.0 High-Speed, Full-Speed, and Low-
Speed Host
â Supports Endpoints 0-15
⢠General-Purpose Memory Controller (GPMC)
â 8-Bit and 16-Bit Multiplexed Address and Data
Bus
â Up to 6 Chip Selects with up to 256-MB Address
Space per Chip Select Pin
â Glueless Interface to NOR Flash, NAND Flash
(with BCH and Hamming Error Code Detection),
SRAM and Pseudo-SRAM
â Error Locator Module (ELM) Outside of GPMC
to Provide up to 16-Bit and 512-Byte Hardware
ECC for NAND
â Flexible Asynchronous Protocol Control for
Interface to FPGA, CPLD, ASICs
⢠Enhanced Direct-Memory-Access (EDMA)
Controller
â Four Transfer Controllers
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
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