Deh-P680Mp/Xn/Uc 3 - Pioneer DEH-P680MP Service Manual

1
7.2 IC
UPD63763CGJ
PE5505A
A
NJM2886DL3-33
- Pin Functions (UPD63763CGJ)
Pin No. Pin Name
1 D.VDD
2 D1.GND
reset
3
4-8 AB12-8
9-16 AD7-0
cs
17
18 ASTB
read
19
B write
20
wait
21
22 INTQ
23,24 IFMODE0,1
25 D1.VDD
26 DA.VDD
27 ROUT
28 DA.GND
29 REGC
30 DA.GND
31 LOUT
32 DA.VDD
C
33 X.VDD
34 XTAL
xtal
35
36 X.GND
37 VDDREG15
38 PWMSW0
39-41 TEST3-1
42 PWMSW1
43 TESTEN
44 D1.GND
45 DIN
46 DOUT
D
47 SCKIN
48 SCKO
LRCKIN
49
50 LRCK
xtalen
51
52 D1.VDD
53 RFCK/HOLD
54 WFCK/MIRR
55 PLCK/RFOK
56 LOCK/RFOK
57 C1D1/C8M/(RA13)
58 C1D2/C16M/(RA12)
E
59 C2D1/RMUTE
60 C2D2/LMUTE
61 C2D3/SHOCK
62 D1.GND
63 C33M
64 (rcs)
65 RA11
66 (CKE)
ras
67
cas)(LDQM)
68
cas!(UDQM)
69
F
64
1
2
PEG142A PAL007B
PEG143A PML016A
S-1200B33-M5 PEG144A
Function and Operation
I/O
Power supply for digital circuits
Ground for 1.6 V digital circuits
Input of reset
I
I Address bus 12-8 from the microcomputer
Address/data bus 7-0 to the microcomputer
I/O
Chip selection
I
Address strobe
I
Control signals(read)
I
I Control signals(write)
Control signals(wait)
O
O Interruption signals to the external microcomputer
Switching the microcomputer I/F 0, 1
I
Power supply for 1.6 V digital circuits
Power supply for DAC
Output of audio for the right channel
O
Ground for DAC
Connected to the capacitor for band gap
Ground for DAC
Output of audio for the left channel
O
Power supply for DAC
Power supply for the crystal oscillator
Connected to the crystal oscillator(16.9344 MHz)
I
O 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)
I
Connected to Ground
I
Setup 1 for PWM output(FD, TD)
I
Connected to Ground
I
Ground for 1.6 V digital circuits
Input of audio data
I
Output of audio data
O
Clock input for audio data
I
Clock output for audio data
O
I Input of LRCK for audio data
Output LRCK for audio data
O
I Permission to oscillate 16.9344 MHz
Power supply for 1.6 V digital circuits
Output of RFCK/HOLD signal
O
Output of WFCK/MIRR signal
O
Output of PLCK/Output of RFOK
O
O Output of LRCK/Output of RFOK
Information on error correction/C8M : 8 MHz
O
Information on error correction/C16M : 16 MHz
O
Information on error correction/Mute for Rch
O
Information on error correction/Mute for Lch
O
Information on error correction/Detection of vibration
O
Ground for 1.6 V digital circuits
O Output of 33.8688 MHz(CLK for SDRAM)
DRAM cs
O
Output of DRAM address 11
O
Output of DRAM CKE
O
Output of DRAM ras
O
Output of DRAM lower cas(LDQM)
O
Output of DRAM upper cas(UDQM)
O
DEH-P680MP/XN/UC
2
3
PD8153A GP1UX31RK
PD8154A
HA12241FP
3
4
4