Fujitsu MPG3XXXAH manual Scd, PAD Asmssm, Data

0.72 μs	0.16 μs	μs	0.17 μs	μs	0.74 μs 0.56 μs 0.56 μs		μ 0.80 μs
	1.81		0.53			0.56
							s

PA

SCD

Pos

A

Pos

B

Pos

C

Pos

D

PAD

ASMSSM

R/W Recovery Field

6.63μs

Servo Frame

DATA

DATA

Servo Frame

86.81μs

Figure 4.6 96 servo frames in each track

(1)Write/read recovery

This area is used to absorb the write/read transient and to stabilize the AGC.

(2)Servo mark (ASM, SSM)

This area generates a timing for demodulating the gray code and position-demodulating Pos A to D by detecting the servo mark.

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