saa7826 NXP Semiconductors, saa7826 Datasheet - Page 5

• Manufacturer Part Number: saa7826
• Description: Cd Audio Decoder, Digital Servo And Filterless Dac With Integrated Pre-amp And Laser Control
• Manufacturer: NXP Semiconductors

Philips Semiconductors
5
2003 Oct 01
handbook, full pagewidth
CD audio decoder, digital servo and filterless
DAC with integrated pre-amp and laser control
BLOCK DIAGRAM
CDTDATA
OSCOUT
CDTRDY
CDTCLK
STATUS
CLK4/12
V REFO
V DDA1
V DDA2
RESET
OSCIN
TEST1
TEST2
TEST3
TEST4
CLK16
SFSY
SBSY
I REF
SILD
RCK
SDA
RAB
SUB
SCL
7
16
6
8
53
52
54
55
76
77
78
79
19
18
49
50
36
37
38
59
58
57
60
56
51
V SSD1
MICROCONTROLLER
DC OFFSET COMPENSATION
GENERATOR
INTERFACE
INTERFACE
D1
CONTROL
CONTROL
40
CD TEXT
V SSD2
9
TIMING
CONTROLLER
HF AND LF CAPTURE
PART
TEST
INTERFACE
BIAS
INTERFACE
DECODER
D2
61
MICRO-
V SSD3
10
VOLTAGE
BUFFER
D3
69
V DDD1 V DDD3
11
D4
41
V DDD2
12
63
R1
13
70
R2
HIGH-PASS FILTER
DATA SLICER AND
14
PROCESSOR
DEMODULATOR
V SSA1
SUBCODE
THRESHOLD
ADDRESSER
SAA7826
CONTROL
V1
D1 TO D4
DIGITAL
SRAM
71 72 73 74 75
VERSATILE PINS
5
V SSA2
EFM
RAM
Fig.1 Block diagram.
PLL
SUM
V2
INTERFACE
17
V SSA3
V3 V4 V5
20
MONITOR
5
MONITOR
3
ADC
CONTROL FUNCTION
SENSE
ANTI ALIAS
DISC ADC
DETECT
PEAK
4
PROCESSOR
LKILL
CONTROL LOGIC
LASER POWER
AUDIO
34
EXFILTER
KILL
RKILL
2
35
BUFGND
CORRECTOR
HEADPHONE
(LOOPBACK)
INTERFACE
INTERFACE
INTERFACE
BUFFERS
CONTROL
OUTPUT
STAGES
ERROR
SERIAL
SERIAL
MOTOR
FLAGS
DATA
DATA
33
LFPOWER
DEM
DAC
EBU
LASER
BUFV pos
1
28
Product specification
80
64
65
66
15
67
68
39
62
45
48
47
46
44
43
42
27
22
23
26
25
24
21
29
32
30
31
SAA7826
MBL742
LASER
RA
FO
SL
CSLICE
MOTO1
MOTO2
CFLAG
DOBM
EF
SCLK
WCLK
DATA
SCLI
WCLI
SDI
DACV pos
DACRP
DACRN
DACLP
DACLN
DACV ref
DACGND
BUFINR
BUFINL
BUFOUTR
BUFOUTL