Pioneer DEH-P850MP Service Manual page 83

DEH-P840MP,P8400MP,P8450MP
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- Pin Functions (PD5745A)
Pin No. Pin Name
1-5 NC
6 BYTE
7 CNVSS
8, 9 NC
reset
10
11 XOUT
12 VSS
13 XIN
14 VDD
nmi
15
16-19 NC
20 CKC
21 NC
22 CKA
23 NC
24 LS
25 NC
26 CKD
27 DPDT
28 KYDT
29 DA2
30 NC
31 CLK1
32 ILMD
33 DA1
34 NC
TE
L 13942296513
35 CLK0
36 NC
rdy
37
38 NC
hold
39
40,41 NC
rd
42
43-45 NC
cs@
46
cs!
47
cs)
48
49 A19
50 NC
51-59 A17-A9
60 VDD
61 A8
62 VSS
63-69 A7-A1
70 NC
71-86 D15-D0
87,88 KS1,2
89-92 NC
93 KD2
94 AVSS
95 KD1
96 VREF
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97 AVCC
98-100 NC
.
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I/O Function and Operation
Not used
I GND connection
I GND connection
Not used
I Reset input
O Crystal oscillating element connection pin
VSS connection
I Crystal oscillating element connection pin
VDD connection
I NVI input
Not used
O Fixed pulse output for cathode driver
Not used
O Fixed pulse output for anode driver
Not used
O Line sink signal output
Not used
O Data transport / driver clock output
I Display data input
O Key data output
O Display data MSB output
Not used
I Clock input for UART1
O Dual illumination select output
O Display data LSB output
Not used
I Clock input for UART0
Not used
I Pull up
Not used
I Pull up
Not used
O Read strobe output
Not used
O Bank address select output
O Bank address select output
O External ROM chip select output
O Address bus 19 output
Not used
O Address bus 17-9 output
VDD connection
O Address bus 8 output
GND connection
O Address bus 7-1 output
Not used
I/O Data bus 15-0 input / output
I/O key strobe input / output
Not used
I key data input
VSS connection
I key data input
VSS connection
VCC connection
Not used
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