SAA7370 Datasheet, PDF (34/60 Pages) NXP Semiconductors – Digital servo processor and Compact Disc decoder CD7

Philips Semiconductors
Digital servo processor and
Compact Disc decoder (CD7)
Product specification
SAA7370
RAB
(microcontroller)
SCL
(microcontroller)
SDA (SAA7370)
t2
t1
t3
Q1 Q2 Q3
Qn
MBG404
Fig.27 SUBQREADY-I status timing when subcode is read.
handbook, full pagewidth _SILD
(microcontroller)
SCL
(microcontroller)
SDA
(microcontroller)
SDA (SAA7370)
SILD
(microcontroller)
SDA
(microcontroller)
D7 D6 D5 D4 D3 D2 D1 D0
command or data byte
high-impedance
microcontroller write (one byte: command or data)
COMMAND
DATA1
DATA2
microcontroller write (full command)
DATA3
MBG412
1998 Feb 26
Fig.28 Microcontroller protocol for write servo commands.
34