Figure 4.5 Read/Write Circuit Block Diagram - Fujitsu MHS2030AT - 2.5" Notebook 30GB Drive Product Manual

HDIC
WDX/WDY
RDC
Write
PreCompen-
sation
WTGATE

Figure 4.5 Read/write circuit block diagram

C141-E171-03EN
SD SC SE
Serial I/O
Registers
Digital
PLL
REFCLK RDGATE DATA
[7:0]
4.6 Read/write Circuit
RDX/RDY
AGC
Amplifier
Programmable
Filter
Flash
Digitizer
MEEPR ServoPulse
Viterbi Detector
Detect
16/17
ENDEC
Position
A/B/C/D
(to reg)
RWCLK SRV_CLK
SRV_OUT[1:0]
4-11