Pioneer PDP-5000EX Service Manual page 201

5
NJU26901E2 (FHD PRE AUDIO ASSY: IC8208)
• LIP Sync IC
Pin Arrangement (Top view)
1
SDI
2
LRI
3
BCKI
4
Vss
Block Diagram
LRI
2
SERIAL AUDIO
BCKI 3 INTERFACE
1
SDI
L/R in
Pin Function
No. Pin Name I/O
1 SDI I
2 LRI I
3 BCKI I
−
4 Vss
5 COUNT[0] I*
6 COUNT[1] I*
7 SDO O
−
8 Vdd
* with pull up
Delay Time
Sampling Frequency
(fs) (COUNT[1:0]=11)
48KHz
5
6
8
Vdd
7
SDO
NJU26901
6
COUNT[1]
5
COUNT[0]
BCKI
LRI
Delay RAM
Control
Logic
5,6
COUNT[0:1]
Serial audio data input
LR clock input
Serial clock input
– power supply (Normally: GND)
Delay time setting 0
Delay time setting 1
Serial audio data output
+ power supply (Normally: +2.5 V)
4/4 3/4
(COUNT[1:0]=01)
85ms 64ms
PDP-5000EX
6
7
SERIAL AUDIO
7 SDO
INTERFACE
L/R out L/R out
Pin Function
1/2
(COUNT[1:0]= 10)
43ms
7
8
A
B
C
D
E
1/4
(COUNT[1:0]= 00)
21ms
F
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