Only For Training And Service Purposes - LG GB220 Service Manual

3. TECHNICAL BRIEF
• Speech Codec:
– FR / HR / EFR / NB-AMR
• Audio Codec (running on ARM1176):
– SP-MIDI
– SB-ADPCM
– MP3
– WB-AMR
– AAC/AAC+/eAAC+
• Others:
– DARP (SAIC)
– TTY
• Customization:
– E-Fuses
3.1.4 External Memory
• External Bus Unit
– 25-bit address bus (512 Mbit) - can be extended to 27 address bits (2 Gbit)
– 16-bit data bus
– 1.8V & 2.8V support
• Flash / RAM
– NOR Type
– Serial Flash SPI and SPI-4
– Parallel Flash (Page & Burst Mode)
- 16-bit Demultiplexed
- 16-bit AD-multiplexed
- 16-bit AAD-multiplexed
– iNAND Type e.g. oneNAND
• Memory card
– SD/MMC card interface with 1 or 4 data lines
3.1.5 Connectivity
• 3xUSIF (configurable either as SPI or UART), I2C, I2S; Interfaces @ 1.8V
• Direct (U)SIM 1.8/3V
• USB2.0 up to 480 Mbit/s (High Speed) w/ external USB Phy over ULPI interface
• Stereo Headset (Amplifier integrated)
• 3 external analog measurement PIN's
• Bluetooth, A-GPS, WLAN support (I2C, I2S, SPI)
LGE Internal Use Only
LGE Internal Use Only
- 18 - Copyright © 2009 LG Electronics. Inc. All right reserved.
Copyright © 2007 LG Electronics. Inc. All right reserved.

Only for training and service purposes

Only for training and service purposes