82
DEH-P840MP,P8400MP,P8450MP
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Pin Functions (UPD63760GJ)
Pin No.
Pin Name
I/O
Function and Operation
1
R.GND
GND for DRAM I/F
2
rst
I
Input of reset
3-7
AB12-8
I
Address bus 12-8 from the microcomputer
8-15
AD7-0
I/O
Address/data bus 7-0 to the microcomputer
16
cs
I
Chip selection
17
ASTB
I
Address strobe
18
read
I
Control signals (read)
19
write
I
Control signals (write)
20
wait
O
Control signals (wait)
21
INTQ
Interruption signals to the external microcomputer
22
IFMODE
I
Switching between the data buses (16bit/8bit)
23
D.VDD
Power supply for digital circuits
24
xtalen!
I
Permission to oscillate 16.9344MHz
25
xtalen@
I
Permission to oscillate 24.576MHz
26
DA.VDD
Power supply for DAC
27
ROUT
O
Output of audio for the right channel
28
DA.GND
GND for DAC
29
R+
O
Output of the right channel audio PWM
30
R-
O
Output of the right channel audio PWM
31
REGC
Connected to the capacitor for band gap
32
L-
O
Output of the left channel audio PWM
33
L+
O
Output of the left channel audio PWM
34
DA.GND
GND for DAC
35
LOUT
O
Output of audio for the left channel
36
DA.VDD
Power supply for DAC
37
X.VDD
Power supply for the crystal oscillator
38
XTAL1
Connected to the crystal oscillator (16.9344MHz)
39
xtal!
Connected to the crystal oscillator (16.9344MHz)
40, 41
X.GND
Ground for the crystal oscillator
42
xtal@
Connected to the crystal oscillator (24.576MHz)
43
XTAL2
Connected to the crystal oscillator (24.576MHz)
44
X.VDD
Power supply for the crystal oscillator
45
D.GND
GND for digital circuits
46
DIN
I
Input of audio data
47
DOUT
O
Output of audio data
48
SCKIN
I
Clock input for audio data
49
SCKO
O
Clock output for audio data
50
LRCKIN
I
Input of LRCK for audio data
51
LRCK
O
Output LRCK for audio data
52
TESTX
O
Output for tests
53
RFOK
O
Output of RFOK
54
C16M
O
Output of 16.9344MHz
55
TESTEN
I
Connected to GND
56
TEST4
I
Connected to GND
57
D.VDD
Power supply for digital circuits
58
RFCK/HOLD
O
Output of RFCK/HOLD signal
59
WFCK/MIRR
O
Output of WFCK/MIRR signal
60
PLCK
O
Output of PLCK
61
LOCK
O
Output of LOCK
62
C1D1
O
Information on error correction
63
C1D2
O
Information on error correction
64
C2D1(RMUTE)
O
Information on error correction (mute for Rch)
65
C2D2(LMUTE)
O
Information on error correction (mute for Lch)
66
C2D3
O
Information on error correction
67
D.GND
Ground for digital circuits
68
ras
O
Output of DRAM RAS
Summary of Contents for DEH-P8400MP
Page 10: ...10 DEH P840MP P8400MP P8450MP 2 4 EXTERIOR 1 ...
Page 15: ...DEH P840MP P8400MP P8450MP 15 ...
Page 16: ...16 DEH P840MP P8400MP P8450MP 2 6 CD MECHANISM MODULE ...
Page 26: ...26 DEH P840MP P8400MP P8450MP A 1 2 3 4 B C D 1 2 3 4 B A CN831 B 3 3 KEYBOARD UNIT OEL ...
Page 40: ...A A TUNER AMP UNIT IC Q 40 DEH P840MP P8400MP P8450MP A 1 2 3 4 B C D 1 2 3 4 A ...
Page 41: ...A SIDE B DEH P840MP P8400MP P8450MP 5 6 7 8 A B C D 5 6 7 8 41 A ...
