Philips EXP 411 Service Manual page 16

7850 : SAA7324H/M2B
V
D1 D2 D3 D4 V
SSA1
8 9 10 4
11
12
R1
ADC
13
R2
V
7
ref
V
RIN
GENERATOR
40
SCL
39
SDA
MICROCONTROLLER
INTERFACE
41
RAB
42
SILD
2
HFIN
DIGITAL
1
PLL
HFREF
FRONT
3
END
ISLICE
6
I
ref
EFM
DEMODULATOR
25
TEST1
31
TEST
TEST2
44
TEST3
SRAM
24
SELPLL
16
CRIN
15
TIMING
CROUT
RAM
26
CL16 ADDRESSER
49
CL11/4
48
SBSY
47
SFSY
SUBCODE
46
PROCESSOR
SUB
45
RCK
DECODER
43 MICRO-
STATUS
CONTROLLER
INTERFACE
38
RESET
V1 V2/
HFREF 1
HFIN 2
ISLICE 3
V 4
SSA1
V 5
DDA1
I 6
ref
V 7
RIN
D1 8
D2 9
D3 10
D4 11
R1 12
R2 13
V 14
SSA2
CROUT 15
CRIN 16
V V
SSA2 DDA2 SSD2
V V V V V
DDA1 SSD1 SSD3 DDD1(P) DDD2(C)
14 5 17 33 50 58 52
PRE- CONTROL
PROCESSING FUNCTION
OUTPUT
STAGES
CONTROL
PART
MOTOR
CONTROL
ERROR
CORRECTOR
FLAGS
AUDIO
PROCESSOR
EBU
INTERFACE
SERIAL
DATA
INTERFACE
SERIAL
DATA
(LOOPBACK)
INTERFACE
PEAK
DETECT
BITSTREAM
DAC
VERSATILE PINS
INTERFACE
KILL
63 34 61 62 32
V4 V5 KILL
V3
SAA7324 M2
3-2
57
SYMBOL PIN
HFREF 1
HFIN 2
54
ISLICE 3
RA
V 4
SSA1
55
FO
V 5
DDA1
56
I 6
SL
ref
V 7
RIN
D1 8
64
D2 9
LDON
D3 10
D4 11
59
MOTO1
R1 12
60
MOTO2
R2 13
V 14
SSA2
CROUT 15
CRIN 16
53
CFLG
V 17
DDA2
LN 18
LP 19
51
V 20
DOBM
neg
V 21
pos
RN 22
30
EF
RP 23
29
SCLK
SELPLL 24
28
WCLK TEST1 25
27
CL16 26
DATA
DATA 27
37
WCLK 28
SCLI
35
SCLK 29
WCLI
EF 30
36
SDI
TEST2 31
KILL 32
V 33
SSD1
20
V
V2/V3 34
neg
21
WCLI 35
V
pos
SDI 36
18
LN
SCLI 37
19
LP
RESET 38
22
RN
SDA 39
23
SCL 40
RP
RAB 41
SILD 42
STATUS 43
TEST3 44
RCK 45
SUB 46
SFSY 47
SBSY 48
CL11/4 49
V 50
SSD2
DOBM 51
V 52
DDD1(P)
CFLG 53
RA 54
48 SBSY
FO 55
SL 56
47 SFSY
V 57
DDD2(C)
46 SUB
V 58
SSD3
45 RCK MOTO1 59
MOTO2 60
44
TEST3
V4 61
43 STATUS
V5 62
V1 63
42 SILD
LDON 64
41 RAB
Note
40 SCL
1. All supply pins must be connected to the same external power supply voltage
39 SDA
38 RESET
37 SCLI
36 SDI
35 WCLI
34 V2/V3
33 V
SSD1
DESCRIPTION
comparator common mode input
comparator signal input
current feedback output from data slicer
(1)
analog ground 1
(1)
analog supply voltage 1
reference current output pin
reference voltage for servo ADC's
unipolar current input (central diode signal input)
unipolar current input (central diode signal input)
unipolar current input (central diode signal input)
unipolar current input (central diode signal input)
unipolar current input (satellite diode signal input)
unipolar current input (satellite diode signal input)
(1)
analog ground 2
crystal/resonator output
crystal/resonator input
(1)
analog supply voltage 2
DAC left channel differential output - negative
DAC left channel differential output - positive
(1)
DAC negative reference supply (equivalent to DAC V
(1)
DAC positive reference supply (equivalent to DAC V
DAC right channel differential output - negative
DAC right channel differential output - positive
selects whether internal clock multiplier PLL is used
test control input 1; this pin should be tied LOW
16.9344 MHz system clock output
serial d4(1)ata output (3-state)
word clock output (3-state)
serial bit clock output (3-state)
C2 error flag output (3-state)
test control input 2; this pin should be tied LOW
kill output (programmable; open-drain)
(1)
digital ground 2
versatile I/O: input versatile pin 2 or output versatile pin 3 (open-drain)
word clock input (for data loopback to DAC)
serial data input (for data loopback to DAC)
serial bit clock input (for data loopback to DAC)
power-on reset input (active LOW)
microcontroller interface data I/O line (open-drain output)
microcontroller interface clock line input
microcontroller interface R/W and load control line input (4-wire bus mode)
microcontroller interface R/W and load control line input (4-wire bus mode)
servo interrupt request line/decoder status register output (open-drain)
test control input 3; this pin should be tied LOW
subcode clock input
P-to-W subcode bits output (3-state)
subcode frame sync output (3-state)
subcode block sync output (3-state)
11.2896 MHz or 4.2336 MHz (for microcontroller) clock output
(1)
digital ground 3
bi-phase mark output (externally buffered; 3-state)
(1)
digital supply voltage 2 for periphery
correction flag output (open-drain)
radial actuator output
focus actuator output
sledge control output
(1)
digital supply voltage 3 for core
(1)
digital ground 4
motor output 1; versatile (3-state)
motor output 2; versatile (3-state)
versatile output pin 4
versatile output pin 5
versatile input pin 1
laser drive on output (open-drain)
SS)
)
DD