Fujitsu MHN2150AT, MHN2100AT, MHN2300AT, MHN2200AT manual Read/write circuit block diagram

Models: MHN2150AT MHN2300AT MHN2100AT MHN2200AT

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Theory of Device Operation

 

 

 

 

 

 

HDIC

 

 

 

 

 

 

WDX/WDY

 

 

 

 

RDX/RDY

 

RDC

SD

SC

SE

 

 

 

 

 

 

 

 

 

Write

Serial I/O

 

 

AGC

 

 

 

 

 

 

 

 

 

 

Amplifier

PreCompen-

 

 

 

 

 

 

 

 

 

 

sation

Registers

 

 

 

 

 

 

 

 

 

 

Digital

 

 

Programmable

 

PLL

 

 

Filter

 

 

 

 

 

Flash

 

 

 

 

 

 

Digitizer

 

 

 

 

 

 

MEEPR

ServoPulse

 

 

 

 

Viterbi

Detector

 

 

 

 

 

Detect

 

 

 

 

 

 

16/17

 

 

 

 

 

 

ENDEC

 

 

 

 

 

 

Position

 

 

 

 

 

A/B/C/D

 

 

 

 

 

(to reg)

 

WTGATE

REFCLK

RDGATE

DATA RWCLK

SRV_CLK

SRV_OUT[1:0]

 

 

 

 

[7:0]

 

 

Figure 4.5 Read/write circuit block diagram

4-12

C141-E120-02EN

Page 64
Image 64
Fujitsu MHN2150AT, MHN2100AT, MHN2300AT, MHN2200AT manual Read/write circuit block diagram