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13/27 XM-7002B Rev.1.0
5.3. Standby mode
Figure 8 shows the standby sequence.
During acces
s
ldle (4.4 - 10X)
8 s 24 s
ldle (Max.24X)
command
Read or Seek
Figure 8 Standby Sequence
Rotational speed move onto 4.4 to 10X mode in 8 seconds of the Read or Seek command.
After 24 seconds (default value), it move onto standby mode. (a stop spindle motor)
6. Interface
(1) The interface is based on ATA-SPEC, ATAPI-SPEC SFF-8020i Revision 2.6, SFF-8028 Revision
1.0 and SFF-8090 version 2.
(Small Form Factor Committee Specification of ATA-Packet Interface for CD-ROMs)
(2) 48 types of commands are usable including ATA & ATAPI Commands.
(3) The 128 KByte data buffer handles both high speed and low speed data transmission.
(4) The largest one block size on playback is 2,448 Bytes.
The data length for each block is changeable by command.
(5) Please refer to the standard of ATA/ATAPI-4 for details of the interface timing.
6.1. I/O cable
Table 1 shows the cable parameters.
Cable length
MaxMin
0.46 m
Driver IoL sink current for 5V operation 12 mA
Cable capacitive loading 200 pF
Driver IoH source current -400 µA
1.5 A
Power Supply cablesPIN No.38 - 42(+B),43 - 45(GND)
Table 1 Cable parameters
6.2.Signal summary
The physical interface consists of single ended TTL compatible receivers and drivers
communicating through a 50P-conductor as shown in Figure 9,10 - 13.