Pioneer DEH-P6900UB/XN/UC, Service Manual

Page: 74 / 82

DEH-P690UB/XN/UC
74
1 2 3 4
1 2 3 4
C
D
F
A
B
E
Pin No. Pin Name I/O Format
Function and Operation
1
2
3
4
5
6
7
8,9
10
11
12
13
14
15
16
17
18-20
21
22
23
24
25
26
27
28
29-32
33
34
35
36
37
38
39
40,41
42
43-45
46,47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
NC
ROMDT
ROMCK
REM
ROMCS
BYTE
CNVSS
NC
reset
XOUT
VSS1
XIN
VCC1
nmi
NC
ks#
ks@-)
NC
DSEL
NC
CKD
NC
LS
DPDT
KYDT
NC
OELD
NC
CLK0
NC
rdy
NC
hold
NC
rd
NC
CS2,1
cs)
A19
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
VCC2
A8
VSS2
A7
A6
A5
I/O
O
I
O
I
I
I
O
I
I
O
I/O
O
O
O
I
O
O
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
C
C
C
C
C
C
C
C
N
N
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
Not used
ROM correction data input/output
ROM correction clock output
Remote control input
ROM correction chip select output
External data bus width change input(VSS)
Processor mode change input
Not used
Reset input
Clock output
GND
Clock input
Power supply input
NMI input
Not used
Key strobe 3(Not used)
Key strobe 2-0
Not used
OEL driver : Display data select
Not used
OEL driver : Data transfer and driver clock frequency
Not used
OEL driver : Line sync signal
System controller communication : Display data input
System controller communication : Key data output
Not used
OEL driver : Display data
Not used
OEL driver : Clock input for UART0
Not used
RDY signal input
Not used
HOLD signal input
Not used
Image ROM : Read strobe
Not used
Image ROM : Bank address 1,0
External extended ROM chip select(image ROM)
Image ROM : Address bus 19 bit
Non connection
Image ROM : Address bus 17 bit
Image ROM : Address bus 16 bit
Image ROM : Address bus 15 bit
Image ROM : Address bus 14 bit
Image ROM : Address bus 13 bit
Image ROM : Address bus 12 bit
Image ROM : Address bus 11 bit
Image ROM : Address bus 10 bit
Image ROM : Address bus 9 bit
Power supply input
Image ROM : Address bus 8 bit
GND
Image ROM : Address bus 7 bit
Image ROM : Address bus 6 bit
Image ROM : Address bus 5 bit
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Pin Functions (PEG312A8)