Specifications

2000 Jun 26 36
Philips Semiconductors Product specification
Digital servo processor and Compact Disc
decoder with integrated DAC for video CD (CD7 II)
SAA7327
Q1 Q2 Q3
Qn – 1
SDA
(SAA7327)
MGS239
Qn – 2 Qn
STATUS
CRC
OK
SCL
(microcontroller)
RAB
(microcontroller)
Fig.26 Microcontroller protocol for reading Q-channel subcode.
SDA
(SAA7327)
10.8/n ms 15.4/n ms
2.3/n
ms
READ start allowed
high-impedance
CRC OK CRC OK
MGS240
SCL
(microcontroller)
RAB
(microcontroller)
Fig.27 SUBQREADY-I status timing when no subcode is read.