Saa7335; Dsp For Cd And Dvd-Rom System - Yamaha DVD-S520 Service Manual

SAA7335

DSP for CD and DVD-ROM system

HF input
clock input
V SSA1 1
I ref
2
REFLo
3
REFHi
4
VREF
5
HFIN 6
V SSA2
7
AGCOUT 8
V DDA2
9
V DDD1
10
V SSD1
11
OTD 12
MOTO1 13
n.c. 14
MOTO2/T3
15
n.c.
16
T1 17
T2 18
V DDD2
19
V SSD2
20
TEST1
21
TEST2 22
POR 23
MUXSWICH 24
n.c. 25
DEMODULATOR
PLL BIT
ADC
EFM/EFM
DETECTOR
CLOCK SPINDLE
GENERATOR MOTOR CONTROL
motor control
SAA7335
SRAM
32 KBYTES
DECODER
2
block
I S-BUS
decoder
OUTPUT
output
INTERFACE
SUB-CPU
SAA7335
INTERFACE
DVD-S520/DV-S5450
75
RAMAD1
74 RAMAD0
V SSD6
73
V DDD6
72
71 RAMDA0
RAMDA1
70
n.c.
69
68 RAMDA2
67 RAMDA3
66 RAMDA4
65 RAMDA5
64 RAMDA6
63 RAMDA7
62 n.c.
61 RAMRW
V SSD5
60
V DDD5
59
58 WCLK
BCLK
57
DATA
56
55 FLAG
54 SYNC
53 EBUOUT
52 V4
51 n.c.
36