LG KM710 Service Manual - Page 31

Analog Baseband - drivers

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3. HW Circuit Description 3.5 Analog Baseband 3.5.1 General Description The TRITON chip is the analog and power management part of the Texas Instruments next generation wireless terminal. These GSM/GPRS/E-GPRS, 3G W-CDMA, CDMA2000 platforms are composed of a digital baseband processor, a RF chip, an application processor OMAP and of different peripheral devices like a LCD panel, a Multi-Media Card, a Bluetooth modem, a GPS modem. The purpose of the Triton device is to provide to platforms the following resources: - A power management system - Power supply resources - A voice and audio interface - A battery charger - A monitoring system - A real time clock resource - A USB 2.0 OTG transceiver with a carkit interface - Three White-LEDs drivers - A vibrator driver - A SIM-Card detection - A thermal shutdown - An I2C interface - A JTAG and boundary scan LGE Internal Use Only TWL3029 Architecture - 32 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes

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3.5 Analog Baseband
3.5.1 General Description
The TRITON chip is the analog and power management part of the Texas Instruments next generation
wireless terminal. These GSM/GPRS/E-GPRS, 3G W-CDMA, CDMA2000 platforms are composed of
a digital baseband processor, a RF chip, an application processor OMAP and of different peripheral
devices like a LCD panel, a Multi-Media Card, a Bluetooth modem, a GPS modem.
The purpose of the Triton device is to provide to platforms the following resources:
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
3. HW Circuit Description
- 32 -
<Fig.11> TWL3029 Architecture
- A power management system
- Power supply resources
- A voice and audio interface
- A battery charger
- A monitoring system
- A real time clock resource
- A USB 2.0 OTG transceiver with a carkit
interface
- Three White-LEDs drivers
- A vibrator driver
- A SIM-Card detection
- A thermal shutdown
- An I2C interface
- A JTAG and boundary scan