ET6302
ET6302 is Dual SIM card control chip optimized manufactured by Etek Microelectronics.
General Description The ET6302 is a dual SIM card control chip optimized for GSM handsets. It supports both 1.8V and 3V SIM cards. A serial port interface (SPI) is used to control dual SIM channel individually. The ET6302 is available in 20pin 3mm x 3mm QFN package. The operating temperature range is from 25°C to +85°C.
Features
Control and munication through a SPI 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 20Pin 3mm x 3mm QFN Package (ET6302Y)
Applications Support dual SIM card interface GSM, Edge, GPRS and 3G Cellular Phones...