Pioneer DEH-P7200 Service Manual page 65

- Pin Functions (PD5554A)
Pin No. Pin Name
1–4 NC
5 REM
6 BYTE
7 CNVSS
8,9 NC
reset
10
11 XOUT
12 VSS
13 XIN
14 VDD
nmi
15
16 NC
17–20 KD1-4
21–26 KS1-6
27–31 NC
32 ILMD
33 KYDT
34 DPDT
35 NC
36 OEL
rdy
37
38 NC
hold
39
40 NC
41 BCLK
rd
42
43 NC
wr
44
45 NC
46 CS2
47 CS1
48 CS0
49–59 A19-9
60 VDD
61 A8
62 VSS
63–70 A7-0
71–86 D15-0
87–93 NC
94 AVSS
95 NC
96 VREF
97 AVCC
98–100 NC
*PD5554A
100
1
25
26
I/O Format Function and Operation
Not used
I Remote control reception
I VCC joint
I GND
Not used
Reset
O Crystal oscillating element connection pin
GND
I Crystal oscillating element connection pin
Power voltage
I Pull up
Not used
I Key data 1-4
I/O Key strobe input/output 1-6
Not used
O C Dual illumination
O C Key data output
I Display data input
Not used
O C OEL controller ON
I OEL controller READY
Not used
I Pull up
Not used
O C Bus clock
O C Read strobe
Not used
O C Write strobe
Not used
O C Bunk address (High)
O C Bank address (Low)
O C External ROM chip select
O C Address bus 19-9
Power voltage
O C Address bus 8
GND
O C Address bus 7-0
I/O Data bus 15-0
Not used
Connect to VSS
Not used
Connect to VSS
Connect to VCC
Not used
76
75
51
50
Format Meaning
C C MOS
DEH-P720,P7200
65