I.Smart Smart Phone Reference Design Based on Open Platform
The design complexity of new smart phones with multimedia functions and universal access is a huge challenge. The i.Smart smart phone reference design can help mobile phone developers take a sensible and fast way to market. It provides a comprehensive hardware reference design, several open operating system software support packages and development tool kits.
The features that mobile phone users dream of today include: extremely fast and extensive connection options and the choice of a convenient and innovative mobile application, but these features will become demand tomorrow. To meet higher and higher user expectations, manufacturers are facing the incredible complexity of developing new, multimedia-enabled and "always connected" smartphones.
Motorola's i.Smart smart phone 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 greatly reduces the design cycle. i.Smart provides a comprehensive hardware reference design, several open operating system software support packages and development tool kits that combine Motorola ’s experience and skills in mobile and handheld computing applications. i.Smart is one of the programs with the fewest parts in the market, which helps to optimize product performance, battery life, cost, volume and yield.
i.Smart conforms to the latest trends in the development of wireless products. This trend stems from the increasing convergence of voice and data in a single handheld PDA. Today ’s smartphones should enable users to access new information sources, download materials, listen to music, play games, view images, implement local connections and engage in mobile business applications whenever and wherever they are.
i.Smart is based on a multi-operating system working environment and can support 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 groups, providing smartphone users with rich advanced features and multimedia applications.
Motorola ’s fully integrated i.Smart, an open platform that adapts to the evolution of smart phones, is based on an open platform, which helps ensure that today ’s design investments can be flexible enough to meet tomorrow ’s design challenges.
Smart wireless handheld devices are designed with modular modems, wireless connections, application processors and peripheral systems. The modular design allows the adoption of today's world standards while maintaining scalability to meet future standards.
In the evolving smartphone market, design flexibility is a key success factor. 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).
With an application processor that can adapt to extended performance, with scalable power / function advantages, such as longer battery life and optimized processor performance, highly adaptable designs become easier.
The key features of i.Smart i.Smart includes two platforms, namely wireless platform and application subsystem.
1. Wireless platform (i.250-21 platform chipset)
i.250 InnovaTIve Convergence platform is a comprehensive silicon-to-software 2.5G technology solution, including: GSM / GPRS front-end, power amplifier; single-chip baseband processor; power management, audio and charging circuit; supports dual-band to quad-band; 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-slot with Class 8 / Class 10 operation to adapt to the GMSK modulation format.
All of these are implemented by four highly integrated main chips: DSP56631 dual-core baseband processor—integrating DSP56600 digital signal processor and ARM7TDMI-S microcontroller core; including on-chip memory and several A / D converters for receiver , A receive (RX) and transmit (TX) synthesizer, TX power amplification control and a voice codec; embedded memory not only minimizes the need for external flash memory, but also minimizes the SRAM used by current platforms. Embedded memory also reduces system power consumption and extends battery life.
MMM6022 Power Amplifier Module-A 50-ohm TX power amplifier module with an antenna switch can be used for quad-band and tri-band GSM mobile phone applications, and can also play a role in the GSM850, EGSM, DCS and PCS transmit and receive frequency bands.
This power module uses Motorola's InGaP HBT technology, which integrates a single package power amplifier, an SP4T antenna switch, several harmonic filters, several couplers, and power detection circuits. The system-in-package (SiP) function can reduce the total cost of the system, while also using proven chipsets to improve performance.
MC13777 quad-band GPRS front-end IC (radio frequency circuit)-for GSM / DCS and GSM850 / PCS quad-band GPRS Class 10 cellular radio; receiver part is designed for VLIF receiver or direct conversion receiver (DCR); transmitter part is designed for To directly transmit the transmitter and integrate the TX VCO and buffer amplifier; Motorola ’s unique combination of mainstream RF BiCMOS technology and a single SiGe: C process is expected to bring superior high-frequency performance. For sensitive RF applications, SiGe: C provides high gain, low current, and low noise. On-chip, it can provide a variety of high-quality / high-precision active and passive devices, including copper inductors. Because it helps implement system-on-chip solutions, this type of technology raises the cost-effectiveness of wireless applications to a new level.
MC13717 Integrated Power Management and Audio Circuit-Motorola's cost-effective SMARTMOS technology lays the foundation for this integrated power management and audio circuit. A medium-voltage mixed-signal BiCMOS process integrates high-performance analog circuits, intelligent digital control, and power devices.
It contains a voltage regulator, a voltage multiplier, a number of microphone amplifiers that complete audio filtering and amplification, a 32KHz crystal oscillator, and a multiplexer that drives the general-purpose A / D converter on the baseband processor; it also contains some advanced Features such as coin-shaped backup battery chargers and switches, and inputs for several additional A / D converter multiplexers.
MC13718 Lithium Battery Charge Control and Protection IC-used to protect and control the charging of a single lithium battery; it also provides multi-mode charging circuits, battery protection circuits, and thermal and power consumption protection for charging electronics.
2. The application subsystem's demand for new and powerful wireless services is rapidly emerging. The market requires very small handheld devices with Internet access, video capture, live video streaming and other functions. In view of this, ARM-based i.MX series application processors are designed to be used in smart phones, wireless PDAs and many other mobile wireless applications.
The i.MXL (a simple model in the i.MX series) application processor provides operating systems, applications, and multimedia processing functions for smartphones. It is based on the ARM9 core with media acceleration function, which is characterized by high on-chip integration, excellent performance in low-power system design, and a core media acceleration engine for multimedia applications.
Rich peripheral support allows the platform to be connected to a full-color LCD display, USB connection, and expandable to multimedia card (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 operating at 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 technology support; support for J2ME; MPEG4 and MP3 acceleration functions;
3. Realize low power consumption and low leakage CMOS process-1.8V core voltage; 2.7V to 3.3V input / output voltage.
4. 256-pin MAPBGA package.
Low power consumption = intelligent speed What does intelligent speed performance mean to users? For example, a PDA implemented with an i.MXL application processor can use a 1,000 mAh battery to play movies for more than six hours, providing 50 to 70 days of standby time. In other words, you can use an i.MXL-based PDA to watch two standard-length feature films, or do a global business trip and return without charging your PDA. And i.MX21 improves Imagine CIF video encoding and decoding to 3 frames per second; you can listen to MP3 music while sending secure transaction information; or conduct a video conference at 15 frames per second, and the power consumption is 35 lower than i.MX1 % To 65%.
System component integration and software compatibility The i.MX series uses industry standard ARM core processors to achieve a high degree of component integration. For example, the low-power mobile multimedia customer system-on-chip i.MX1 makes i.MX products have the industry's lowest standby power consumption. In addition, it has a set of shared peripheral circuits, including an LCD controller, which can achieve VGA resolution through software programming; can change the screen size through software programming, supports 16-level grayscale monochrome display; color STN display; 6? 0 × 512 pixel color TFT display. The i.MX series integrates an industry standard CMOS camera interface. In addition to a wide range of standard interfaces, i.MX also provides rich built-in multimedia interfaces. This high degree of system integration leads to small form factor products and low system cost.
The i.MX series supports a wide range of industry-leading platforms, such as Windows CE, Palm OS, Linux and Symbian OS operating systems. i.MX1, i.MXL and i.MX21 provide a variety of software tools that are 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 In order to provide product designers with the best possible products with powerful functions and components, i.MX uses intelligent design technologies, such as selective hardware partitioning, dynamic memory access and dynamic frequency control, and dynamic voltage frequency regulation (DVFS ) And Motorola's low-drain CMOS process. In addition, i.MX is an integral part of a complete GPRS platform solution, which significantly accelerates the time to market for manufacturers. All of these design techniques can be combined to achieve a higher degree of system integration, while improving the overall power consumption efficiency of the system. The implementation of intelligent architecture and the adoption of hardware acceleration have created a system-level chip that redefines the meaning of high performance.
i.Smart smart phone 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 (Refer to operating system driver); including SDK development environment for third-party applications; application and system design support; worldwide third-party software solutions.
In addition to a standard reference platform, Motorola has also designed comprehensive tools and professional support services to help OEMs enter the market quickly and efficiently. The tools and service elements of the solution can constitute three main development environments: an integrated development environment (IDE), which combines the GSM / GPRS chipset, mobile phone 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), providing software and manufacturing adaptation tools and services.
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