SD switch box in a cellular handset

Details SD switch box in a cellular handset SD switch box in a cellular handset

2011-06-28

2011-06-28

Edouard, Patrick N (Department: 2617)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S556100, C455S557000, C455S559000

Reexamination Certificate

active

07970433

ABSTRACT:
A cellular handset, including a cellular base band modem, including a UART interface, and an SD host interface, a NAND flash memory, a NAND controller coupled with the NAND flash memory, a host device including a host controller, wherein the electronic host device supports an SD connection, and a convergence controller coupled with the cellular base band modem, the host device and the NAND controller, including a UART port for transferring data to and from the cellular base band modem via the UART interface, an SD port for transferring data to and from the cellular base band modem via the SD host interface, an SD port for transferring data to and from the NAND flash memory via the NAND controller, an SD port for transferring data to and from the host device via the host controller, a first mailbox into which the base band modem writes messages and from which the host device reads messages, and a second mailbox into which the host device writes messages and from which the cellular base band modem reads messages. A method is also described and claimed.

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