User Guide

Revision1.0 DN-C635 Serial Interface Specification
Date 2003-01-28 18 page of 39
2.6.7 REQUEST CD TOC command
This command requests the device to send CD TOC data.
1) Command format
byte/bit 7 6 5 4 3 2 1 0
0 STX( 0x02 )
1 Command code (‘7’)
2 Reserve ( 0x00 )
3 Track number 100 digits (Table 36)
4 Track number 10 digits (Table 36)
5 Track number 1 digits (Table 36)
6 ETX( 0x03 )
7 BCCH( high-level )
8 BCCL( low-level )
Table 35. Request CD Data command
Track
numbe
r
Content TOC data format Remark
‘000’ Reserved ’000000’
‘001’ Track 1 ‘mmssff’
| ||
‘099’ Track 99 Track 99
‘mm’: minute
’ss’: second,
‘ff’: frame
‘0A0’ First track number ‘xx0000’ ‘xx’: first track number
‘0A1’ Last track number ‘xx0000’ ‘xx’: last track number
‘0A2’ total time ‘mmssff’
Table 36. Track number, TOC data
2) Answer format
byte/bit 7 6 5 4 3 2 1 0
0 STX( 0x02 )
1 Reply code (‘7’)
2 Answer code (Table 3)
3 Reserve ( 0x00 )
4 Track number 100 digits (Table 36)
5 Track number 10 digits (Table 36)
6 Track number 1 digits (Table 36)
7 TOC data 1 (Minute 10 digits)
8 TOC data 2 (Minute 1 digits)
9 TOC data 3 (Second 10 digits)
10 TOC data 4 (Second 1 digits)
11 TOC data 5 (Frame 10 digits)
12 TOC data 6 (Frame 1 digits)
13 ETX( 0x03 )
14 BCCH( high-level )
15 BCCL( low-level )
Table 37. Request CD Data answer
3) Special conditions
•
Track number ‘0A0’,’0A1’ and ‘0A2’ have special meaning. Refer the Table 36.