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