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FUJITSU DISK DRIVES MHM215OAT User Manual

Page 65

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Theory of Device Operation

4-12

C141-E104-02EN

Figure 4.5 Read/write circuit block diagram

HDIC

WDX/WDY RDX/RDY

Write

PreCompen-

sation

Serial I/O

Registers

Digital

PLL

Flash

Digitizer

MEEPR

Viterbi

Detect

16/17

ENDEC

ServoPulse

Detector

Programmable

Filter

AGC

Amplifier

RDC

SD

SC

SE

Position
A/B/C/D
(to reg)

WTGATE

REFCLK

RDGATE

DATA
[7:0]

RWCLK

SRV_OUT[1:0]

SRV_CLK

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