3. Circuit Description
3.4 Analog Baseband
3.4.1 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
<Fig.9> TWL3029 Architecture
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