A method for performing sensing scans and for processing data from the sensing scans for a touch-sensitive device including a plurality of touch controller integrated circuits (250A, 250B) and a plurality of switching circuits coupled between the plurality of touch controller integrated circuits (250A, 250B) and a pixelated touch sensor panel including a plurality of electrodes, each one of the plurality of integrated circuits comprising a plurality of sense channels (704, 804), a storage device (212A, 212B), and a plurality of processing circuits (202A, 202B), the method comprising: decoding synchronization signals from a host processor receivable at the plurality of touch controller integrated circuits; configuring the plurality of touch controller integrated circuits for performing the sensing scans at a given time based on the decoded synchronization signals; performing one or more scan steps at each of the plurality of touch controller integrated circuits, wherein performing the one or more scan steps comprises: receiving signals at the plurality of sense channels of each of the plurality of touch controller integrated circuits from the one or more steps of the sensing scans, wherein the plurality of switching circuits is configured to couple different ones of the electrodes to each of the plurality of sense channels during each different step of the sensing scan based on the decoded synchronization signals; storing data based on the signals received at the plurality of sense channels in the storage device of each of the plurality of touch controller integrated circuits; transferring the data between the plurality of touch controller integrated circuits after each of the one or more scan steps; and processing the data at the one or more of the plurality of touch controller integrated circuits to generate an image of touch from the execution of one or more scans of the touch sensor panel, wherein processing the data comprises simultaneously processing the data in the storage device of the one or more of the plurality of touch controller integrated circuits by the plurality of processing circuits, wherein at least two of the plurality of processing circuits simultaneously access the storage device. decoding synchronization signals from a host processor receivable at the plurality of touch controller integrated circuits; configuring the plurality of touch controller integrated circuits for performing the sensing scans at a given time based on the decoded synchronization signals; performing one or more scan steps at each of the plurality of touch controller integrated circuits, wherein performing the one or more scan steps comprises: receiving signals at the plurality of sense channels of each of the plurality of touch controller integrated circuits from the one or more steps of the sensing scans, wherein the plurality of switching circuits is configured to couple different ones of the electrodes to each of the plurality of sense channels during each different step of the sensing scan based on the decoded synchronization signals; storing data based on the signals received at the plurality of sense channels in the storage device of each of the plurality of touch controller integrated circuits; receiving signals at the plurality of sense channels of each of the plurality of touch controller integrated circuits from the one or more steps of the sensing scans, wherein the plurality of switching circuits is configured to couple different ones of the electrodes to each of the plurality of sense channels during each different step of the sensing scan based on the decoded synchronization signals; storing data based on the signals received at the plurality of sense channels in the storage device of each of the plurality of touch controller integrated circuits; transferring the data between the plurality of touch controller integrated circuits after each of the one or more scan steps; and processing the data at the one or more of the plurality of touch controller integrated circuits to generate an image of touch from the execution of one or more scans of the touch sensor panel, wherein processing the data comprises simultaneously processing the data in the storage device of the one or more of the plurality of touch controller integrated circuits by the plurality of processing circuits, wherein at least two of the plurality of processing circuits simultaneously access the storage device.