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1. US20080189458 - 12C slave device with programmable write-transaction cycles

Office
United States of America
Application Number 11913057
Application Date 01.05.2006
Publication Number 20080189458
Publication Date 07.08.2008
Grant Number 7606956
Grant Date 20.10.2009
Publication Kind B2
IPC
G06F 13/00
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
13Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
G06F 3/00
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
3Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
G06F 13/38
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
13Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
38Information transfer, e.g. on bus
CPC
G06F 13/4291
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
13Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
38Information transfer, e.g. on bus
42Bus transfer protocol, e.g. handshake; Synchronisation
4282on a serial bus, e.g. I2C bus, SPI bus
4291using a clocked protocol
Applicants NXP B.V.
Inventors Deshpande Amrita
Anderson Alma
Irazabal Jean-Marc
Blozis Stephen
Boogaards Paul
Title
(EN) 12C slave device with programmable write-transaction cycles
Abstract
(EN)

Consistent with one example embodiment, communications systems, using a serial data transfer bus having a serial data line and a clock line used to implement a communications protocol, incorporate programmable updating of slave device output banks sequentially or simultaneously. The communications system includes two or more slave devices and/or a slave device having two or more banks of output drivers. Each slave device receives serial data and provides a data word assembled from the serial data. A programmable register in each slave device is programmed, using the communications protocol, to select one or more slave device configurations. Each of the two or more slave devices and/or two or more banks of output drivers updates either sequentially, or in coordination with other of the two or more slave devices and/or two or more banks of output drivers, based on each slave devices configuration selected by its programmable register.


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