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The design complexity of new smart phones with multimedia capabilities and connectivity is a huge challenge. The i.Smart smartphone reference design helps mobile phone developers get a smart and fast way to go public. It provides a comprehensive hardware reference design, several open operating system software support packages and a development kit.
Today's mobile phone users' dreams include: extremely fast and wide range of connectivity options and the choice of a convenient, innovative mobile app, but these features will become a necessity tomorrow. To meet ever-increasing user expectations, manufacturers are facing the incredible complexity of developing new, multimedia-enabled and "always connected" smartphones.
Motorola's i.Smart smartphone reference design provides a comprehensive reference solution based on Motorola's i.250 Innovative Convergence (2.5G GSM/GPRS) platform and i.MX application processor. In the rapidly emerging consumer smartphone market, this reference design significantly reduces the design cycle. i.Smart provides a comprehensive hardware reference design, several open operating system software support packages and development tool suites that combine Motorola's experience and skills in mobile and handheld computing applications. i.Smart is one of the fewest parts on the market to help optimize product performance, battery life, cost, size and yield.
i.Smart is responsive to the latest trends in wireless product development, which stems from the growing convergence of voice and data in a single handheld PDA. Today's smartphones should give users access to new sources of information, downloads, listen to music, play games, view images, connect locally, and engage in mobile commerce applications whenever and wherever they want.
i.Smart is based on a multi-OS operating environment and supports Symbian OS, Linux, Palm OS, Pocket PC and other important operating systems. This means that i.Smart can support downloadable applications from multiple operating system software communities, providing smartphone users with a wealth of advanced features and multimedia applications.
An open platform that adapts to the evolution of smartphones
Motorola's fully integrated i.Smart is based on an open platform that helps ensure that today's design investments are flexible enough to meet tomorrow's design challenges.
Smart wireless handheld devices are designed with modular modems, wireless connectivity, application processors and peripheral systems. The modular design allows for the adoption of today's world standards while maintaining flexibility to meet future standards.
Design flexibility is a key success factor in the evolving smartphone market. These high-end designs depend on innovative solutions with built-in flexibility to support multiple mobile standards (2G, 2.5G, 3G and future new standards).
Thanks to an application processor that can accommodate extended performance with scalable power/functional advantages such as longer battery life and optimized processor performance, highly adaptable designs are made easier.
Key features of i.Smart
i.Smart includes two platforms, the wireless platform and the application subsystem.
1. Wireless platform (i.250-21 platform chipset)
The i.250 Innovative Convergence platform is a comprehensive silicon-to-software 2.5G technology solution that includes: GSM/GPRS front-end, power amplifier; single-chip baseband processor; power management, audio and charging circuitry; dual-frequency to quad-band support; Fully integrated communication engine software.
This i.Smart platform supports GSM/DCS or GSM850/PCS dual-band operation and can be upgraded to support quad-band operation. It supports GPRS multi-slots with Class 8/Class 10 operation to accommodate GMSK modulation formats.
All of these are implemented by four highly integrated main chips: DSP56631 dual-core baseband processor - integrating the DSP56600 digital signal processor with the ARM7TDMI-S microcontroller core; including on-chip memory, several receiver A/D converters A receive (RX) and transmit (TX) synthesizer, TX power amplification control, and a speech codec; embedded memory minimizes the need for external flash memory and minimizes the SRAM used in current platforms. Embedded memory also reduces system power consumption and extends battery life.
MMM6022 Power Amplifier Module - The 50 ohm TX power amplifier module with antenna switch is available for quad- and tri-band GSM mobile phone applications, as well as for GSM850, EGSM, DCS and PCS transmit and receive bands.
This power module uses Motorola's InGaP HBT technology to integrate a single-package power amplifier, an SP4T antenna switch, several harmonic filters, several couplers, and power-sense circuitry. System-in-package (SiP) functionality reduces the total cost of the system while also enabling performance with a proven chipset.
MC13777 quad-band GPRS front-end IC (RF circuit) - for GSM/DCS and GSM850/PCS quad-band GPRS Class 10 cellular radio; receiver part designed for VLIF receiver or direct conversion receiver (DCR); transmitter part design Directly transmitting the transmitter and integrating the TX VCO with the buffer amplifier;
The unique combination of Motorola's mainstream RF BiCMOS technology and a single SiGe:C process is expected to deliver superior high frequency performance. For sensitive RF applications, SiGe:C offers high gain, low current and low noise, providing a wide range of high quality/high precision active and passive components, including copper inductors, on-chip. Because it helps implement system-on-a-chip solutions, this type of technology takes the cost-effectiveness of wireless applications to a new level.
MC13717 integrated power management and audio circuitry - Motorola's cost-effective SMARTMOS technology lays the foundation for this integrated power management and audio circuitry. A medium voltage mixed-signal BiCMOS process integrates high-performance analog circuitry, intelligent digital control, and power devices.
It consists of a voltage regulator, a voltage multiplier, several microphone amplifiers for audio filtering and amplification, a 32KHz crystal and a multiplexer that drives a general-purpose A/D converter on the baseband processor; it also includes some advanced Features such as coin-shaped backup battery chargers and switches, as well as inputs for several additional A/D converter multiplexers.
MC13718 lithium battery charge control and protection IC - used to protect and control the charging of single lithium batteries; also provides multi-mode charging circuit, battery protection circuit and thermal and power protection of charging electronics.
2. Application subsystem
The demand for new and powerful wireless services is rapidly emerging, and the market needs very small handheld devices with Internet access, video capture, live video streaming and more. With this in mind, the ARM-based i.MX family of application processors is designed to be used in smartphones, wireless PDAs, and many other mobile wireless applications.
The i.MXL (a simple model in the i.MX family) application processor provides operating systems, applications, and multimedia processing capabilities for smartphones. It is based on the ARM9 core with media acceleration, featuring high on-chip integration, superior performance in low-power system design, and a core media acceleration engine for multimedia applications.
Extensive peripheral support enables the platform to be integrated with full color LCD displays, USB connectivity, and expandable to MultiMediaCard (MMC)/SD and other emerging memory standards.
Key i.MX features for smartphones
i.MX products for smartphones include:
1. Integrated system functions - high performance ARM920T core with operating frequency up to 200MHz; color TFT and monochrome LCD support; ASP for touch screen input; MMC/SD interface; Sony Memory Stick interface; smart card interface; for digital image acquisition CMOS sensor interface; connectivity: USB, I2C, I2S.
2. Improved system performance - on-chip DMA controller; on-chip memory; Bluetooth technical support; support for J2ME; MPEG4 and MP3 acceleration;
3. A low-leakage, low-leakage CMOS process â€“ 1.8V core voltage; 2.7V to 3.3V input/output voltage.
4.256-pin MAPBGA package.
Low power = smart speed
What does intelligent speed performance mean to users? For example, a PDA implemented with the i.MXL application processor can play more than six hours of movies on a 1,000mAh battery, providing 50 to 70 days of standby time. In other words, you can watch two standard length feature films on an i.MXL-based PDA, or you don't need to charge your PDA for global business travel and return. And i.MX21 will increase the video encoding and decoding of Imagine CIF to 3 frames per second; it can send secure transaction information while listening to MP3 music; or 15 frames per second video conference, and the power consumption is lower than i.MX1 35 % to 65%.
System component integration and software compatibility
The i.MX family uses industry-standard ARM core processors for high component integration. For example, the low-power mobile multimedia system-on-a-chip i.MX1 enables i.MX products to have the lowest standby power consumption in the industry. In addition, it has a set of shared peripheral circuits, including an LCD controller, which can be programmed to achieve VGA resolution through software; software screen can be used to change the screen size, support 16-level grayscale monochrome display; color STN display; RGB color display of 640 Ã— 512 pixels. The i.MX series integrates an industry standard CMOS camera interface. In addition to a wide range of standard interfaces, i.MX also offers a feature-rich built-in multimedia interface. This high level of system integration results in a small form factor product and low system cost.
The i.MX family supports a wide range of industry-leading platforms such as Windows CE, Palm OS, Linux and Symbian OS. i.MX1, i.MXL and i.MX21 offer a wide range of software tools supported by a wide range of third-party software solutions such as Internet browsers, location-based services, industry-specific human-machine interfaces, multimedia applications, etc. .
Intelligent design technology
To provide product designers with the best possible use of powerful features and components, i.MX leverages intelligent design techniques such as selective hardware partitioning, dynamic memory access and dynamic frequency control, dynamic voltage frequency scaling (DVFS) and Motorola. Low-leakage CMOS process. In addition, i.MX is an integral part of a complete GPRS platform solution that significantly speeds time-to-market for manufacturers. All of these design techniques combine to achieve higher system integration while increasing overall system power efficiency. The implementation of intelligent architecture and the adoption of hardware acceleration create a system-on-chip that redefined the meaning of high performance.
i.Smart smartphone reference design includes: reference schematic; complete bill of materials; integrated GSM/GPRS hardware and software platform; software engine package (including GSM Phase 2+, GPRS Class 10 and HR/FR/EFR/AMR) Reference operating system drivers); development environments including SDKs for third-party applications; application and system design support; global third-party software solutions.
In addition to a standard reference platform, Motorola has designed comprehensive tools and professional support services to help OEMs enter the market quickly and efficiently. The solution's tools and service elements form the three main development environments: the Integrated Development Environment (IDE), which combines the GSM/GPRS chipset, handset reference design, and GSM software engine with the user interface tool suite; the radio test environment ( RTE), including tools for functional configuration, testing and fine-tuning of radio performance; manufacturing test environment (MTE), software and manufacturing adaptation tools and services.
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