1998 Feb 16 3

Philips Semiconductors Product speciļ¬cation
CMOS digital decoding IC with RAM for
Compact Disc SAA7345

BLOCK DIAGRAM

Fig.1 Block diagram.

MGA371 - 2
CFLG
RAB
CL
DA
CLA
PORE
KILLV3 V4 V5
MOTO2
CL11
IREF
DOBM
V1 V2
TEST2
TEST1
ISLICE
HFIN
HFREF
VDDA

SAA7345

MOTO1
CRIN
VDD1 VSS1
CL16
MISC
DATA
SCLK
WCLK
VSSA VDD2 VSS2
CROUT
DIGITAL
PLL
EBU
INTER-
FACE
AUDIO
PROCESSOR
FLAGS
ERROR
CORRECTOR
MOTOR
CONTROL
Q - CHANNEL
CRC CHECK
Q - CHANNEL
REGISTER
RAM
ADDRESSER
SRAM
EFM
DEMODULATOR
VERSATILE PINS
INTERFACE
PEAK
DETECT
KILL
SERIAL
DATA
INTER-
FACE
SUBCODE
MICRO-
CONTROLLER
INTERFACE
TIMING
PLL
FRONT-
END
8
9
7
10
6
5
13
14
1
29
17
31
30
32
28 3 4 26 25 24 27
22
23
33
2
21
20
19
18
11 12 15 16 44 43