Toshiba SD-R5112 - Manual (Page 21)

14/29 SD-R5112 Rev.1.0
5.2. Power ON/OFF Timing (Target)
Figure 8 shows the initialization sequence
Power ON or
ATAPI-RST
System
Initialization
Focus Search
Spindle ON
Learning
Stand-by
"TEST UNIT
READY"
Command
"Command" Receivable
"Check Condition" Status "Good" Status
Max. 550 ms
Max. 4 s
Max. 5 s
CD:Typ. 12 s, DVD 2 Layer Typ. 8 s, Max.60 s
(Single Session Disc) "Read-Command"
Acceptable
Figure 8 Initialization Sequence
6. Interface
(1) The interface is based on T13/1321D (AT Attachment with Packet Interface-5, ATA/ATAPI-5) Revsion 3
(Feb. 29, 2000), SFF-8020i (Small Form Factor Committee Specification of ATA-Packet Interface for
CD-ROMs) Revision2.6 (Nov. 27, 1995), SFF-8090i Ver.5, Rev. 1.4 (Oct. 17, 2001).
(2) 66 (ATAPI, ATA) commands are usable.
(3) The 2 MByte data buffer handles both high speed and low speed data transmission.
(4) The largest block size on playback is 2,647 Bytes.
The data length for each block is changeable by command.
6.1. I/O cable
Table1 shows the cable parameters.
Min Max
Cable length 0.46 m
Driver IoL sink current for 5 V operation 12 mA
Driver IoL sink current for 3.5 V operation 8 mA
Driver IoH sink current -400 µ A
Driver capacitive loading 25 pF
Table 1 Cable parameters