GENERAL DESCRIPTIONS

The GM6535 is a dual phase – locked loop (PLL) frequency synthesizer especially designed for CT-1 cordless phone applications worldwide. This frequency synthesizer is also for any products with frequency operation at 60 MHz or below.

The device features fully programmable receive, transmit, reference, and auxiliary reference counters accessed through an MCU serial interface, this feature allows this device to operate in any CT-1 cordless phone application.

FEATURES

• Operating Voltage Range: 2.5 to 5.5 V

• Operating Temperature Range:-40 to +75¡ É

• Operating Power Consumption:3.0mA@2.5V

• Maximum Operating Frequency: 60MHz@200mVp-p, VDD=2.5V

• 3 or 4 Pins Used for serial MCU Interface

• Power Saving Mode Controlled by MCU

• Lock Detect Signal

• On-Chip Reference Oscillator Supports External Crystals to 16.0 MHz

• Reference Frequency Counter Division Range: 16 to 4095

• Auxiliary Reference Frequency Counter Division Range: 16 to 16,383

• Transmit Counter Division Range:16 to 65,535

• Receive Counter Division Range: 16 to 65,53