U3600BM_05 Datasheet, PDF (1/44 Pages) ATMEL Corporation – Single-chip Cordless Telephone IC

Features
• All Functions and Channel Selections are Controlled by Serial Bus
RF Part
• All Oscillators and PLL Integrated
• IF Converter
• FM Demodulator
• RSSI
Low Frequency Part
• Asymmetrical Input of Microphone Amplifier
• Asymmetrical Output of Earpiece Amplifier
• Compander
• Power Supply Management
• Serial Bus
Single-chip
Cordless
Telephone IC
U3600BM
Application
• CT0 Standard
• Narrowband Voice and Data Transmitting/Receiving Systems
1. Description
The programmable single-chip multichannel cordless phone IC includes all necessary
low frequency parts such as microphone- and earphone amplifier, compander, power-
supply management as well as all RF parts such as IF converter, FM demodulator,
RSSI, oscillators and PLL. Several gains and mutes in transmit and receive direction
are controlled by the serial bus. The compander can be bypassed.
Rev. 4516D–CT0–10/05