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LG Electronics U250 SubsystemMSM6245, ARM Microprocessor Subsystem, Wcdma R99 features

Models: U250

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3. TECHNICAL BRIEF

3.8 Subsystem(MSM6245)

3.8.1. ARM Microprocessor Subsystem

The MSM6245 device uses an embedded ARM926EJ-S microprocessor. This microprocessor, through the system software, controls most of the functionality for the MSM, including control of the external peripherals such as the keypad, LCD, RAM, ROM, and EEPROM devices. Through a Generic single-wire serial bus interface (SSBI) the ARM926EJ-S configures and controls the functionality of the RTR6275, RFR6275 and PM6650 devices.

3.8.2. WCDMA R99 features

The MSM6245 device supports release 99 June 2004 of the W-CDMA FDD standard, including the following features:

■All modes and data rates for W-CDMA frequency division duplex (FDD), with the following restrictions:

❏The downlink supports the following specifications:

-Up to four physical channels, including the broadcast channel (BCH), if present

-Up to three dedicated physical channels (DPCHs)

-Spreading factor (SF) range support from 4 to 256

-The following transmit diversity modes are supported:

❏Space time transmit diversity (STTD)

❏Time-switched transmit diversity (TSTD)

❏Closed-loop feedback transmit diversity (CLTD)

■The uplink supports the following specifications:

❏The uplink provides the following UE support:

-One physical channel, eight TrCH, and 16 TrBks starting at any frame boundary

-A maximum data rate of 384 kbps

❏Full SF range support from 4 to 256

■SMS (CS and PS)

■PS data rate - 384 kbps DL / 384 kbps UL

■CS data rate - 64 kbps DL / 64 kbps UL

■AMR (all rates)

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LG Electronics U250 service manual SubsystemMSM6245, ARM Microprocessor Subsystem, Wcdma R99 features
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U250 specifications

The LG Electronics U250 is a distinguished device known for its cutting-edge features and innovative technologies within the mobile phone sector. Launched as part of LG's effort to cater to a growing demand for functional yet stylish smartphones, the U250 boasts an array of characteristics that appeal to a savvy clientele.

One of the primary features of the U250 is its impressive display. Sporting a vibrant screen that offers excellent color reproduction and clarity, it enhances the user experience for gaming and multimedia consumption. The responsive touchscreen interface allows for seamless navigation, making it user-friendly for all age groups.

The U250 is powered by a robust processor that ensures smooth performance, whether multitasking between applications or running demanding games. With ample RAM, it minimizes lag and enhances the overall operating experience, allowing users to switch effortlessly between tasks.

Photography enthusiasts will appreciate the U250's advanced camera system. It is equipped with a high-resolution primary camera that captures stunning images in various lighting conditions. The inclusion of features like autofocus and image stabilization significantly elevates the quality of photos and videos. Additionally, the front-facing camera is designed for high-quality selfies and video calls, ensuring that users can always stay connected.

The device supports a range of connectivity options, including 4G LTE, Bluetooth, and Wi-Fi, ensuring users can remain connected to the world around them. The integration of NFC technology also enables quick and convenient transactions, particularly useful in a cashless society.

Battery life is another standout characteristic of the U250. With a durable battery, it offers extended usage time, allowing users to go through their day without the constant worry of recharging. Coupled with fast-charging capabilities, it reduces downtime significantly.

The LG U250 runs on an intuitive operating system that provides easy access to a plethora of apps on the platform. Customization options are abundant, allowing users to tailor their device's appearance and functionality to suit their preferences.

In conclusion, the LG Electronics U250 combines striking design with versatile functionality, making it a formidable entry in the smartphone market. With its impressive display, powerful performance, advanced camera features, and strong battery life, the U250 is poised to meet the needs of modern users seeking both style and substance in a mobile device. Whether for work or leisure, this smartphone is designed to enhance everyday life.