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