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AM1705BPTP3 Datasheet(PDF) 3 Page - Texas Instruments |
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AM1705BPTP3 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 164 page AM1705 www.ti.com SPRS657D – FEBRUARY 2010 – REVISED MARCH 2013 1.2 Description The device is a low-power ARM microprocessor based on an ARM926EJ-S™. The device enables OEMs and 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. It has separate 16K-byte instruction and 16K- byte data caches. Both are four-way associative with virtual index virtual tag (VIVT). The ARM core also has a 8KB RAM (Vector Table) and 64KB ROM. The peripheral set includes: a 10/100 Mb/s Ethernet MAC (EMAC) with a Management Data Input/Output (MDIO) module; two inter-integrated circuit (I2C) Bus interfaces; 3 multichannel audio serial port (McASP) with serializers and FIFO buffers; 2 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; 3 UART interfaces (one with RTS and CTS); 3 enhanced high-resolution pulse width modulator (eHRPWM) peripherals; 3 32-bit enhanced capture (eCAP) module peripherals which can be configured as 3 capture inputs or 3 auxiliary pulse width modulator (APWM) outputs; 2 32-bit enhanced quadrature 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 Mbits/second (Mbps) and 100 Mbps in either half- or full-duplex mode. Additionally an Management Data Input/Output (MDIO) interface is available for PHY configuration. TheI2C, 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. These include C compilers and a Windows™ debugger interface for visibility into source code execution. Copyright © 2010–2013, Texas Instruments Incorporated AM1705 ARM Microprocessor 3 Submit Documentation Feedback Product Folder Links: AM1705 |
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