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The TWL3012B device includes a complete set of baseband functions that perform the
interface and processing of the following, voice signals, the baseband in-phase (I) and the
quadrature (Q) signals, which support both the single-slot and multislot modes.
The TWL3012B device also includes associated auxiliary RF control features, supply voltage
regulation, battery charging controls, and switch on/off system analysis.
The TWL3012B device supports the following features.
? Voiceband Coder / Decoder (codec)
? Baseband codec single and multislot with I/Q RF interface
? Automatic Power Control (APC) and Automatic Frequency Control (AFC)
? Voiceband Serial Port (VSP), Baseband Serial Port (BSP), and MCU Serial Port (USP),
Timing Serial Port (TSP).
? SIM Card Interface
? Battery Charging Interface (BCI)
? Six Low-Dropout, Low-Noise, Linear Voltage Regulators (VREG)
? Voltage Reference and Power On Control (VRPC)
? Five-channel analog-to-digital converter (MADC)
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ACEC
