BCM5974 Multi Touch Device.

BCM5974, Broadcom's customized design for APPLE iPod and iPhone series products, is the key to a new generation of capacitance touchscreen controllers.

Compared with resistive touch screen controller, BCM5974 delivers a reakthough solution of multi-touch calibration, power efficiency,enhanced optical ransmission and strong durability and reliability.

* 12 Charge-digital-Converter channels, every channel containing a 8-level sigma-delta analog-to-digital (A/D) converter

*   Fully integrated low dropout (LDO) regulator providing direction interface

*   SRAMs of 3 types and ROM of 1 type

*   Reference and Internal Clock Generator