Diagrams; Ic Pin Descriptions - Aiwa CDC-R30MP Service Manual

CDC-R30MP/X30MP

4-1. IC PIN DESCRIPTIONS

• IC201 µPD63760GJ-8EN (RF AMP, DSP, DEC) (SERVO BOARD)
Pin No. Pin Name
1 R GND
2 RST
3 – 7 AB12 – AB8
8 – 15 AD7 – AD0
16 CS
17 ASTB
18 READ
19 WRITE
20 WAIT
21 INTQ
22 IFMODE
23 D VDD
24 XTALEN1
25 XTALEN2
26 DA VDD
27 ROUT
28 DA GND
29 R+
30 R–
31 REGC
32 L–
33 L+
34 DA GND
35 LOUT
36 DA VDD
37 XVDD
38 XTAL1 I
39 XTAL1 O
40, 41 XGND
42 XTAL2 O
43 XTAL2 I
44 XVDD
45 D GND
46 DIN
47 DOUT
48 SCKIN
49 SCKO
50 LRCKIN
51 LRCK
52 TESTX
53 RFOK
54 C16M
55 TESTEN
56 TEST4
57 VDD
58 RFCK/HOLD
59 WFCK/MIRR
60 PLCK
16
SECTION 4

DIAGRAMS

I/O
— Ground pin for DRAM I/F
I Reset signal input from the mechanism control IC (IC301)
I Address bus signal input from the mechanism control IC (IC301)
I/O Address/data bus signal input from the mechanism control (IC301)
I Chip select signal input from the mechanism control IC (IC301)
I Address strob signal input from the mechanism control IC (IC301)
I Read control signal input from the mechanism control IC (IC301)
I Write control signal input from the mechanism control IC (IC301)
O Wait control signal output to the mechanism control IC (IC301)
O Interruption signal output to the mechanism control IC (IC301)
I 16 bit/8 bit data bus change signal output
— Power supply pin for digital circuit (+3 V)
I Oscillation permission pin (16.9344 MHz)
I Oscillation permission pin (24.576 MHz)
— Power supply pin for DAC (+3 V)
O R channel audio signal output
— Ground pin for DAC
O R channel audio PDM signal output 1 Not used in this set. (Open)
O R channel audio PDM signal output 2 Not used in this set. (Open)
— Capacitor connection pin for bandgap
O L channel audio PDM signal output 2 Not used in this set. (Open)
O L channel audio PDM signal output 1 Not used in this set. (Open)
— Ground pin for DAC
O L channel audio signal output
— Power supply pin for DAC (+3 V)
— Power supply pin for crystal oscillator (+3 V)
I Crystal oscillator connection pin (16.9344 MHz)
O Crystal oscillator connection pin (16.9344 MHz)
— Ground pin for crystal oscillator
O Crystal oscillator connection pin (24.576 MHz) Not used in this set. (Open)
I Crystal oscillator connection pin (24.576 MHz) Not used in this set. (Open)
— Power supply pin for crystal oscillator (+3 V)
— Ground pin for digital circuit
I Audio data signal input
O Audio data signal output Not used in this set. (Open)
I Clock signal input for audio data
O Clock signal output for audio data Not used in this set. (Open)
I LRCK signal input for audio data
O LRCK signal output for audio data Not used in this set. (Open)
O Test output Not used. (Open)
O RFOK signal output to the mechanism control IC (IC301)
O 16.9344 MHz output Not used in this set. (Open)
— Connected to ground.
— Connected to ground.
— Power supply pin 1 for digital circuit (+3 V)
O RFCK signal output/HOLD signal output Not used in this set. (Open)
O WFCK signal output/MIRR signal output Not used in this set. (Open)
O PLCK signal output Not used in this set. (Open)
Pin Description