Pioneer CRT3557, Service Manual

Page: 47 / 58

DEH-P3800MP/XU/UC
59
5 6 7 8
5 6
7
8
C
D
F
A
B
E
-
Pin Functions (UPD63763CGJ)
Pin No. Pin Name I/O
Function and Operation
1
2
3
4-8
9-16
17
18
19
20
21
22
23,24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39-41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
D.VDD
D1.GND
reset
AB12-8
AD7-0
cs
ASTB
read
write
wait
INTQ
IFMODE0,1
D1.VDD
DA.VDD
ROUT
DA.GND
REGC
DA.GND
LOUT
DA.VDD
X.VDD
XTAL
xtal
X.GND
VDDREG15
PWMSW0
TEST3-1
PWMSW1
TESTEN
D1.GND
DIN
DOUT
SCKIN
SCKO
LRCKIN
LRCK
xtalen
D1.VDD
RFCK/HOLD
WFCK/MIRR
PLCK/RFOK
LOCK/RFOK
C1D1/C8M/(RA13)
C1D2/C16M/(RA12)
C2D1/RMUTE
C2D2/LMUTE
C2D3/SHOCK
D1.GND
C33M
(
rcs
)
RA11
(CKE)
ras
cas)
(LDQM)
cas!
(UDQM)
I
I
I/O
I
I
I
I
O
O
I
O
O
I
O
I
I
I
I
I
O
I
O
I
O
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Power supply for digital circuits
Ground for 1.6 V digital circuits
Input of reset
Address bus 12-8 from the microcomputer
Address/data bus 7-0 to the microcomputer
Chip selection
Address strobe
Control signals(read)
Control signals(write)
Control signals(wait)
Interruption signals to the external microcomputer
Switching the microcomputer I/F 0, 1
Power supply for 1.6 V digital circuits
Power supply for DAC
Output of audio for the right channel
Ground for DAC
Connected to the capacitor for band gap
Ground for DAC
Output of audio for the left channel
Power supply for DAC
Power supply for the crystal oscillator
Connected to the crystal oscillator(16.9344 MHz)
Connected to the crystal oscillator(16.9344 MHz)
Ground for the crystal oscillator
Control of 1.6 V regulator
Setup 0 for PWM output(SD, MD)
Connected to Ground
Setup 1 for PWM output(FD, TD)
Connected to Ground
Ground for 1.6 V digital circuits
Input of audio data
Output of audio data
Clock input for audio data
Clock output for audio data
Input of LRCK for audio data
Output LRCK for audio data
Permission to oscillate 16.9344 MHz
Power supply for 1.6 V digital circuits
Output of RFCK/HOLD signal
Output of WFCK/MIRR signal
Output of PLCK/Output of RFOK
Output of LRCK/Output of RFOK
Information on error correction/C8M : 8 MHz
Information on error correction/C16M : 16 MHz
Information on error correction/Mute for Rch
Information on error correction/Mute for Lch
Information on error correction/Detection of vibration
Ground for 1.6 V digital circuits
Output of 33.8688 MHz(CLK for SDRAM)
DRAM
cs
Output of DRAM address 11
Output of DRAM CKE
Output of DRAM
ras
Output of DRAM lower
cas
(LDQM)
Output of DRAM upper
cas
(UDQM)