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Two programmable acoustic compensation filters
GSM/GPRS quad vocoders for adaptive multirate (AMR), enhanced full rate (EFR), full rate (FR) and
half rate (HR)
GSM channel coding, equalization and A5/1, A5/2 and A5/3 ciphering
GPRS GEA1, GEA2 and GEA3 ciphering
Programmable GSM/GPRS Modem
GSM Circuit Switch Data
GPRS Class 12
Voice Interface and Voice Front End
Two microphone inputs sharing one low noise amplifier with programmable gain and automatic
gain control (AGC) mechanism
Voice power amplifier with programmable gain
2nd order Sigma-Delta A/D Converter for voice uplink path
D/A Converter for voice downlink path
Supports half-duplex hands-free operation
Compliant with GSM 03.50
3.1.4 Multi-Media Features
LCD Interface
Dedicated Serial Interface supports 1 external Serial interface for LCM
LCD Controller
Supports LCM format: RGB332, RGB444, RGB565, RGB666, RGB888
Supports LCD module with maximum resolution up to 176x220 at 16bpp
2 layer blending
Supports hardware display rotation for each layer
Audio CODEC
Wavetable synthesis with up to 64 tones
Advanced wavetable synthesizer capable of generating simulated stereo
Wavetable including GM full set of 128 instruments and 47 sets of percussions
PCM Playback and Record
Digital Audio Playback
Audio Interface and Audio Front End
Supports I2S interface
High resolution D/A Converters for Stereo Audio playback
Stereo analog input for stereo audio source
Analog multiplexer for Stereo Audio
FM Radio Recording
Stereo to Mono Conversion
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