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) with 16/12/4 serializers and FIFO buffers; two
64-bit general-purpose timers each configurable (one configurable as watchdog);
a configurable 16-bit host-port interface (HPI); 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 HPI, I2C, SPI,
USB1.1, 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.
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) with 16/12/4 serializers and FIFO buffers; two
64-bit general-purpose timers each configurable (one configurable as watchdog);
a configurable 16-bit host-port interface (HPI); 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 HPI, I2C, SPI,
USB1.1, 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.