CEVA-XC323

Highlights

The CEVA-XC323 offers a wealth of architectural features as follows:

Fully programmable DSP

• Two vector processing units - each unit operates on 256-bit vector registers offering a powerful 512-bit SIMD engine

• Up to 8 simultaneous instructions (8-Way VLIW)

• Efficient DSP support for non-vectorized data

• Efficient support for control and ANSI-C operations

Extremely powerful computation capabilities

• 32 16x16-bit MAC operations and/or 64 16x8-bit MAC operations

• 64 arithmetic operations per cycle

• 32 logic operations per cycle

• 200 16-bit operations in a cycle

Scalable and configurable architecture for use in a wide range of wireless applications and devices through different configurations and optional modules

• Scalable computation capabilities and memories

• Configurable utilization of optional instruction sets

Uniquely designed for wireless baseband

• High flexibility SIMD programming model with intra-vector permutation capabilities

• Optimized instruction set for wireless modems, including matrix processing, MIMO detectors, filtering, complex data permutations, and bit stream processing

Efficient flow of the entire baseband application

• Communication operations - Vector communication units deal with vectorizable data

• General DSP operations - Complete support for general ANSI-C DSP functions, adaptive parameters, etc.

• Control code - Fully interruptible, conditional ISA, branch prediction, delay slots, etc.

• Memory accesses - Dual flexible data addressing units with dedicated scalar unit

Complete memory subsystem

• Includes tightly coupled memories (TCM), caches, AXI system interfaces, APB3 interface, advanced DMA controller, emulation and profiling modules.

• Ensures easy integration and optimal performance in Target SoCs

Offers a homogeneous multi-core system design capability including:

• Wide AXI busses for massive data transfers

• Snooping mechanism to detect external device accesses

• Message queues allowing synchronization and easy system control;

• Exclusive access allowing atomic access to external memories,

• External debug interfaces allowing cross-triggering.

Integrates an innovative Power Scaling Unit (PSU) offering significant energy savings for both battery-operated and stationary devices:

• Advanced power management for both dynamic and leakage power.

• Multiple voltage domains associated with the functional units.

• Multiple operational modes ranging from full operation, to debug bypass, to memory retention, to complete power shut-off (PSO).

Communication Software

CEVA-XC Communication Libraries

CEVA offers a complete set of DSP and communication libraries optimized for CEVA-XC323 to ease the implementation of software-based wireless modems. CEVA's unique multimode software-defined modem library offering significantly simplifies customer development of multimode modems.

Highlights of the CEVA-XC libraries include:

• Covers the most critical algorithms and addresses the entire transceiver chain

• LTE FDD, LTE TDD, HSPA+, and WiMAX are available; additional libraries are in development

• C-callable optimized DSP code ensuring optimal DSP performance

• Minimizes required architecture know-how and enables designers to focus on system code and proprietary algorithms

• A generic implementation that can be configured to address the customer's unique use cases

• System-independent code ensures smooth integration into the customer SoC

CEVA-XCnet Partner Program

The CEVA-XCnet Partnership Program is a comprehensive network of strategic third-party technology suppliers that brings together a variety of critical and complementary technologies: communication software and hardware IPs for 3G and 4G applications, DSP software design services, real-time operating systems (RTOS), SoC level prototyping, and simulation tools. CEVA-XCnet members gain in-depth understanding of the CEVA-XC architecture, development environment and libraries, and have a direct link to CEVA's internal R&D resources. Consequently, CEVA-XCnet reduces development costs and risks for CEVA-XC licensees, and significantly accelerates the development of advanced wireless communications solutions.

LTE Ref. Architectures

CEVA-XC based multi-mode LTE reference architectures

Based on the CEVA-XC323 processor, CEVA offers complete multimode reference architectures targeting both wireless terminals and wireless infrastructure. These reference architectures were developed together with mimoOn, a member of CEVA-XCnet partners program. Based on CEVA-XC optimized communication Libraries and mimoOn PHY software, the reference architectures address the entire PHY layer requirements.

Reference architectures highlights:

• A complete LTE PHY system architecture addressing the entire PHY layer requirements of multiple standards in software including: LTE FDD, LTE TDD, and HSPA+

• Built around CEVA-XC323 processor with minimal complementary hardware accelerators

• Software upgradable to other baseband standards with clear roadmap for standards evolution

• Offers industry's most competitive SDR platform in terms of both cost and power consumption

• Ensures system completeness and fast time to market for CEVA-XC based modem design

• Takes into consideration MAC and RF interfaces, simplifying integration into customer SoC

DTV Ref. Architecture

CEVA-XC based multi-mode DTV reference architecture

Based on the CEVA-XC323 processor, CEVA offers a multi-standard DTV demodulation reference architecture. Together with Idea! Electronic Systems, a member of the CEVA-XCnet partner program, the companies have developed a complete, ISDB-T solution based on a multi-standard reference architecture, including ISDB-T software library functions, ISDB-T PHY software IP, a universal front-end engine and FEC accelerators.

Leveraging the fully programmable CEVA-XC DSP, every existing and future DTV demodulation standard can be supported in software rather than hardware, significantly reducing the die size, design complexity and cost of multi-standard DTV demodulation solutions. In addition, the CEVA-XC processor can support any other air interface to further differentiate the product, including LTE, HSPA+ and WiFi.