Pioneer DEH-P840MP Service Manual page 80

DEH-P840MP,P8400MP,P8450MP
- 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
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
97 AVCC
98-100 NC
80
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