68
1
2
4
1
2
4
F
E
D
C
B
A
DEH-P750MP/XN/UC
7.2 IC
-
Pin Functions (PD5804A)
Pin No.
Pin Name
I/O
Function and Operation
1
SYSPW
O
System power supply control output
2
DORAON
O
Tuner : Power supply control output
3-5
NC
Not used
6
BYTE
Connect to GND
7
CNVSS
GND
8
TELIN
I
TEL mute signal input
9
NC
Not used
10
reset
I
Reset input
11
XOUT
Crystal oscillating element connection pin
12
VSS1
GND
13
XIN
Crystal oscillating element connection pin
14
VDD1
Power supply
15
nmi
Not used
16
NC
Not used
17
NC
Not used
18
NC
Not used
19
RX2
I
IP-BUS : Data input 2
20
OELPW
O
OEL power supply control output
21
NC
Not used
22
PEE
O
Beep tone output
23
NC
Not used
24
brst
O
P-BUS : Reset output
25
brxen
I/O
P-BUS : Reception enable input/output
26
bsrq
I
P-BUS : Service request input
27
RX
I
IP-BUS : Data input
28
TX
O
IP-BUS : Data output
29
BSO
O
P-BUS : Serial data output
30
BSI
I
P-BUS : Serial data input
31
BSCK
O
P-BUS : Serial clock output
32
NC
Not used
33
DPDT
O
Display data output
Key data input
Rotary encoder pulse input 1
Rotary encoder pulse input 0
Clock adjustment output
Keyboard unit power supply control output
Grille detach sense input
Inside of flap illumination output
Illumination power supply control output
Eject input
Picture rewriting output 1
Not used
Picture rewriting output 2
48-54
NC
Not used
55
RECIVE
O
Not used
56
CENSOUT
O
Flap close sense output
57
EMUTE
O
Not used
58,59
NC
Not used
60
VCC
Power supply terminal
61
NC
Not used
PD5804A
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