FEATURES
• +3 V single power supply
• Low power consumption
In operation: 7 mA (TYP.) (VDD = 3 V)
In stand-by mode: 50 mA (TYP.) (VDD = 3 V)
• CODEC
• 13-bit precision linear coding
• Transmission level can be controlled by microcontroller.
• Analog input/output funciton
• Low noise microphone amplifier
• High output receiver amplifier
Piezo-electric receiver can be directly driven.
Gain canbe controlled by microcontroller.
• On-chip amplifier for accessory input/output
• Tone generator
• Frequency, generating pattern and gain can be controlled
by microcontroller.
• DTMF generation function
• Various service tone generation function
• GSM triple tone generation function
• Desired tone frequency can be registered (0.3 to 3.4 kHz)