SAA7370 Datasheet, PDF (4/60 Pages) NXP Semiconductors – Digital servo processor and Compact Disc decoder CD7

Philips Semiconductors
Digital servo processor and
Compact Disc decoder (CD7)
Product specification
SAA7370
5 BLOCK DIAGRAM
handbook, full pagewidth
VSSA2 VDDA1 VSSD1 VSSD3 VDDD1(P) VDDD3(C)
VRL _{D1 D2 D3 D4} IrefT VSSA1 VSSA3 VDDA2 VSSD2 VSSD4 VDDD2(P)
6 3 4 5 7 10 1 12 16 2 19 32 39 49 56 30 47 59
R1
R2
VRH
SCL
SDA
RAB
SILD
HFIN
HFREF
ISLICE
Iref
TEST1
TEST2
TEST3
SELPLL
CRIN
CROUT
CL16
CL11
CL4
SBSY
SFSY
SUB
RCK
8
9
ADC
11
Vref
GENERATOR
52
PRE-
PROCESSING
CONTROL
FUNCTION
CONTROL
PART
26
OUTPUT 27
STAGES
28
64
51
MICRO CONTROLLER
53
INTERFACE
54
SAA7370
15
17
14 ^{FRONT END}
18
DIGITAL
PLL
33
MOTOR
CONTROL
34
20
23
TEST
29
13
21
22
24
TIMING
25
50
35
EFM
DEMODULATOR
SRAM
RAM
ADDRESSER
ERROR
CORRECTOR
61
FLAGS
60
AUDIO
PROCESSOR
EBU
31
INTERFACE
36
SUBCODE
38
PROCESSOR
PEAK
37
DETECT
RA
FO
SL
LDON
MOTO1
MOTO2
CFLG
C2 FAIL
DOBM
STATUS
DECODER
58
MICRO-
CONTROLLER
INTERFACE
57
RESET
VERSATILE PINS
INTERFACE
KILL
62 63 42 41 40
43
V1 V2 V3 V4 V5
KILL
Fig.1 Block diagram.
48
46
SERIAL DATA
INTERFACE ⁴⁵
44
SCLK
WCLK
DATA
EF
MBG409
1998 Feb 26
4