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12/27 XM-7002B Rev.1.0
5. Functions
5.1. CD-ROM Data Configurations
Figure 6 shows how the data is structured in program units.
1block=1/75 s
Time
TNO
TOC
0
Lead-in
Min
Sec
Block
Block 1
Min
Sec
Block
1
Block 2
2
approx.
300k-
Blocks
~
~ ~
~
AA
Lead out
1-Disc
SYNC
12 bytes
Header
User Data
2048 bytes in Mode-1
2336 bytes in Mode-2
~
~
~ ~
ECC(Mode-1)
288 bytes
Minutes
Second(0~59)
Blocks(0~74)
Mode
4 bytes
Figure 6 CD-ROM Data Configuration
5.2. Power ON/OFF Timing
Figure 7 shows the initialization.
Power ON
Max 500 ms
System
Initialization
Focus Serch
Spindle ON
Learning
Idle
Can't send
"Check Condition"Status
"Read-Command"Acceptable
(Single Session Disc)
"Good"Status
Any Command Sendable
Max 2 s
Typ.13 s, Max 16 s
"Command" Receivable
COMMAND
Max 3.5 s
"TEST UNIT READY"
Command
Correspondence
Figure 7 Initialization Sequence