EP9315-CB

Ethernet:	1/10/100 Mbps (1)
Base Part Number:	EP9315
Additional Interfaces:	AC'97, I²S, IDE, IrDA, SPI, UART
Supplier Device Package:	352-PBGA (27x27)
Package / Case:	352-BBGA
Security Features:	Hardware ID
Operating Temperature:	0°C ~ 70°C (TA)
Voltage - I/O:	1.8V, 3.3V
USB:	USB 2.0 (3)
SATA:	--
Series:	EP9
Display & Interface Controllers:	Keypad, LCD, Touchscreen
Graphics Acceleration:	Yes
RAM Controllers:	SDRAM
Co-Processors/DSP:	Math Engine; MaverickCrunch™
Speed:	200MHz
Number of Cores/Bus Width:	1 Core, 32-Bit
Core Processor:	ARM920T
Part Status:	Obsolete
Packaging:	Tray

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Introduction to the EP9315-CB

The EP9315-CB, or Cirrus Logic EP9315-CB System-on-Chip is an ultra-low power, integrated microprocessor system offering the highest performance available in an embedded processor. It is designed to meet the needs of a wide range of embedded applications, providing an extremely high performance of 80 MIPs (Million Instructions Per Second) with a low system power of between 6ミW to 9ミW. The EP9315-CB combines an ARM920T processor core with a USB 2.0 high-speed On-The-Go controller, a DDR SDRAM memory controller, clock generator resources, and a range of low power peripherals. This combination of technology allows for applications to be concurrently processed faster, more efficiently, and more securely, with a very low power requirement.

EP9315-CB Application Field and Working Principle

The EP9315-CB is an embedded microprocessor system well suited for applications in consumer and commercial electronics, automotive, wearable computing, refrigeration, industrial controls and instrumentation, medical devices, security systems, process control, and white goods. It is used in applications such as video active protocol decoding, high-demand video and imaging applications, hard disk drive interfaces, robotics, cardiac pacemaker controllers, access control, and other embedded systems. The EP9315-CB system-on-chip contains a 32-bit ARM920T processor core, which provides a powerful and efficient computing solution. The integrated hardware peripheral subsystem offers a wide range of convenient system resources such as an interrupt controller, USB 2.0 ports, a multi-channel Direct Memory Access (DMA) controller, an on-chip bus bridge, and power and clock management resources. In addition to these basic system resources, the EP9315-CB also features a 10/100 Mbps Ethernet MAC, 2 UARTs, a Timer Control Unit, an Advanced Interrupt Controller (AIC), a Programmable Interrupts Controller (PIC), a Secure Digitally Enhanced Capability Port (SECP), and a PCI Express controller.The EP9315-CB system-on-chip utilizes the ARM Cortex-A9 instruction set, allowing system developers to work with a powerful combination of hardware and software instruction sets. It employs a three-stage pipeline model that breaks down the instruction sets into the three basic CPU pipeline stages: instruction fetch, decode, and execute. This structure allows for a consistent, high performance level even in the presence of reduced system clock frequency, making the EP9315-CB an ideal choice for embedded system applications that demand maximum performance efficiency. The EP9315-CB also supports concurrent multi-thread operation, which enables multiple core-level operations to be efficiently executed within the same clock cycle.Furthermore, the EP9315-CB system-on-Chip has advanced power-management capabilities, that can efficiently minimize the system\'s power consumption during the active and low-power modes. The system-on-chip includes a System-On-Chip (SOC) Power Management Unit (PMU) that supports advanced power-saving features such as sleep and system idle states, dynamic power scaling, clock gating, low-power mode switching and standby mode power-down. These features can be employed to dramatically reduce system power consumption.The EP9315-CB also features a range of security technologies that can be used to securely store confidential information and prevent unauthorized access. The Advanced Encryption Standard (AES) and the Digital Signature Standard (DSS) are supported, providing a secure hardware environment. Additionally, the system-on-chip also supports the secure hardware debug protocol, which ensures that debugging information is secure and cannot be accessed without authorization.In summary, the EP9315-CB is an extremely efficient and powerful embedded microprocessor system that provides an ideal platform for a wide range of embedded applications. Its low-power consumption makes it attractive for applications that require long battery life, while its many advanced capabilities ensure secure and reliable operations. Furthermore, its combination of ARM Cortex-A9 instruction set and three-stage pipeline model provide high-performance operations consistent with the highest expectations of embedded processors.

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