ET6304 Datasheet (Etek Microelectronics) - Dual SIM card control chip optimized

ET6304, Dual SIM card control chip optimized

The ET6304 is a dual SIM card control chip optimized for GSM handsets. It supports both 1.8V and 3V SIM cards. A serial port interface (I2C) is used to control dual SIM channel individually. The ET6304 has an integrated detection of SIM card presence function, including battery detection and contact

ET6304 Features

* Control and communication through a I2C interface with base band processor Independent 1.8V/3V VCC control for each SIM card Power management and control for dual SIM cards Independent clock stop mode (at high or low level) for each SIM card Detection logic for two SIM cards removal or insertion Ba