AN311 - CP2120 PORTING GUIDE
A N 3 11 CP2120 P O R T I N G G U I D E Relevant Devices This application note applies to the CP2120.
1.
Introduction making www.DataSheet4U.com The CP2120 SPI to SMBus bridge device can be used as a replacement for the Philips SC18IS60x device by only a few minor hardware and firmware design modifications.
All firmware and hardware differences between the SC18IS60x and CP2120 are outlined in Table 1.
Table 1.
Improvement and Modification Summary SCI18IS60x Up to 6 general purpose I/O pins 96-
AN311 Features
* The CP2120 incorporates a number of features not found in the SC18IS60x. SPI Master firmware can take advantage of these added features to create a more efficient and reliable system. Rev. 0.1 9/06 Copyright © 2006 by Silicon Laboratories AN311 AN311 2.1.1. 256-Byte Data Buffers The CP2120 uses
