Description

AM1705DPTP3:  MPU AM17X RISC 32-Bit 375MHz 1.8V/3.3V 176-Pin HLQFP - Trays 

Package: HLQFP-176

Mfr. Part#: AM1705DPTP3

Mfr.: TI

Datasheet: (e-mail or chat us for PDF file)

ROHS Status: 

Quality: 100% Original

Warranty: 180 days
 

The device is a low-power ARM microprocessor based on an ARM926EJ-S.

The device enables original-equipment manufacturers (OEMs) and original-design manufacturers (ODMs) to quickly bring to market devices featuring robust operating systems support, rich user interfaces, and high processing performance life through the maximum flexibility of a fully integrated mixed processor solution.

The ARM926EJ-S is a 32-bit RISC processor core that performs 32-bit or 16-bit instructions and processes 32-bit, 16-bit, or 8-bit data. The core uses pipelining so that all parts of the processor and memory system can operate continuously.

The ARM core has a coprocessor 15 (CP15), protection module, and data and program memory management units (MMUs) with table look-aside buffers. The ARM core has separate 16KB of instruction and 16-KB data caches. Both memory blocks are four-way associative with virtual index virtual tag (VIVT). The ARM core also has 8KB of RAM (Vector Table) and 64KB of ROM.

The peripheral set includes: a 10/100 Mbps Ethernet MAC (EMAC) with a management data input/output (MDIO) module; two I²C Bus interfaces; 3 multichannel audio serial port (McASP) withserializers and FIFO buffers; two 64-bit general-purpose timers each configurable (one configurable as watchdog);up to 8 banks of 16 pins of general-purpose input/output (GPIO) with programmable interrupt/event generation modes, multiplexed with other peripherals; three UART interfaces (one with both RTS\ and CTS\); three enhanced high-resolution pulse width modulator (eHRPWM) peripherals; three 32-bit enhanced capture (eCAP) module peripherals which can be configured as 3 capture inputs or 3 auxiliary pulse width modulator (APWM) outputs; two 32-bit enhanced quadrature encoded pulse (eQEP) peripherals; and 2 external memory interfaces: an asynchronous and SDRAM external memory interface (EMIFA) for slower memories or peripherals, and a higher speed memory interface (EMIFB) for SDRAM.

The Ethernet Media Access Controller (EMAC) provides an efficient interface between the device and the network. The EMAC supports both 10Base-T and 100Base-TX, or 10 Mbps and 100 Mbps in either half- or full-duplex mode. Additionally, an MDIO interface is available for PHY configuration.

The I²C, SPI, and USB2.0 ports allow the device to easily control peripheral devices and/or communicate with host processors.

The rich peripheral set provides the ability to control external peripheral devices and communicate with external processors. For details on each of the peripherals, see the related sections later in this document and the associated peripheral reference guides.

The device has a complete set of development tools for the ARM processor. These include C compilers and a Windows® debugger interface for visibility into source code execution.

Key Features

• 375- and 456-MHz ARM926EJ-S™ RISC Core
  • 32-Bit and 16-Bit (Thumb®) Instructions
  • Single-Cycle MAC
  • ARM Jazelle® Technology
  • Embedded ICE-RT™ for Real-Time Debug
• ARM9 Memory Architecture
  • 16KB of Instruction Cache
  • 16KB of Data Cache
  • 8KB of RAM (Vector Table)
  • 64KB of ROM
• Enhanced Direct Memory Access Controller 3 (EDMA3):
  • 2 Transfer Controllers
  • 32 Independent DMA Channels
  • 8 Quick DMA Channels
  • Programmable Transfer Burst Size
• 128KB of RAM Memory
• 3.3-V LVCMOS I/Os (Except for USB Interface)
• Two External Memory Interfaces:
  • EMIFA
    • NOR (8-Bit-Wide Data)
    • NAND (8-Bit-Wide Data)
  • EMIFB
    • 16-Bit SDRAM with 128-MB Address Space
• Three Configurable 16550-Type UART Modules:
  • UART0 with Modem Control Signals
  • 16-Byte FIFO
  • 16x or 13x Oversampling Option
  • Autoflow Control Signals (CTS, RTS) on UART0 Only
• Two Serial Peripheral Interfaces (SPIs) Each with One ChipSelect
• Programmable Real-Time Unit Subsystem (PRUSS)
  • Two Independent Programmable Real-Time Unit (PRU) Cores
    • 32-Bit Load-Store RISC Architecture
    • 4KB of Instruction RAM per Core
    • 512 Bytes of Data RAM per Core
    • PRUSS can be Disabled via Software to Save Power
  • Standard Power-Management Mechanism
    • Clock Gating
    • Entire Subsystem Under a Single PSC Clock Gating Domain
  • Dedicated Interrupt Controller
  • Dedicated Switched Central Resource
• Multimedia Card (MMC)/Secure Digital (SD) Card Interface with Secure Data I/O(SDIO)
• Two Master and Slave Inter-Integrated Circuit (I²CBus™)
• USB 2.0 OTG Port with Integrated PHY (USB0)
  • USB 2.0 Full-Speed Client
  • USB 2.0 Full- and Low-Speed Host
  • End Point 0 (Control)
  • End Points 1,2,3,4 (Control, Bulk, Interrupt or ISOC) RX and TX
• TwoMultichannel Audio Serial Ports (McASPs):
  • Six Clock Zones and 28 Serial Data Pins
  • Supports TDM, I2S, and Similar Formats
  • FIFO Buffers for Transmit and Receive
• 10/100 Mbps Ethernet MAC (EMAC):
  • IEEE 802.3 Compliant (3.3-V I/O Only)
  • RMII Media-Independent Interface
  • Management Data I/O (MDIO) Module
• One 64-Bit General-Purpose Timer (Configurable as Two 32-Bit Timers)
• One 64-Bit General-Purpose Watchdog Timer (Configurable as Two 32-BitGeneral-Purpose Timers)
• Three Enhanced Pulse Width Modulators (eHRPWMs):
  • Dedicated 16-Bit Time-Base Counter with Period and Frequency Control
  • 6 Single Edge, 6 Dual Edge Symmetric, or 3 Dual Edge Asymmetric Outputs
  • Dead-Band Generation
  • PWM Chopping by High-Frequency Carrier
  • Trip Zone Input
• Three 32-Bit Enhanced Capture (eCAP) Modules:
  • Configurable as 3 Capture Inputs or 3 Auxiliary Pulse Width Modulator (APWM) Outputs
  • Single-Shot Capture of up to Four Event Time-Stamps
• Two 32-Bit Enhanced Quadrature Encoder Pulse (eQEP) Modules
• 176-pin PowerPAD™ Plastic Quad Flat Pack[PTP suffix], 0.5-mm Pin Pitch
• Commercial, Industrial, or ExtendedTemperature

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