Patent ID: 6278568
Filing Date: 2001-08-21
Classification: G11B

Abstract:
A disk drive comprising:a disk having a disk surface, the disk surface having a plurality of tracks arranged in an embedded servo format including servo track segments for storing servo data and data track segments for storing user data;read means for reading the servo data and the user data from the disk surface, the read means being operative during a user-data read operation to produce a time-multiplexed analog read signal that during a revolution of the disk represents analog read servo data during each of a first set of time intervals and represents analog read user data during each of a second set of time intervals;a controller including a controller port;a channel integrated circuit chip including:a. an input for receiving the time-multiplexed analog read signal;b. signal processing means for processing the time-multiplexed analog read signal to generate data symbols representing recovered servo data and recovered user data; andc. a channel port;a communication bus connected between the channel port and the controller port;the channel port transferring both the recovered servo data and the recovered user data to the communication bus;the communication bus transferring both the recovered servo data and the recovered user data to the controller port.