Pioneer DEH-P920R Service Manual page 93

- Pin Functions (PD5471A)
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
kd1-4
17–20
21–26 ks1-6
27–31 NC
32 ILMD
33 KYDT
34 DPDT
35 NC
36 OEL
rdy
37
38 NC
hold
39
40,41 NC
rd
42
43 NC
wr
44
45 NC
cs2
46
cs1
47
cs0
48
49 A19
50 NC
51-59 A17-9
60 VDD
61 A8
62 VSS
63–69 A7-1
70 NC
71–86 D15-0
87–93 NC
94 AVSS
95 NC
96 VREF
97 AVCC
98-100 NC
*PD5471A
51
75
I/O Format Function and Operation
Not used
I Remote control reception
I External data BUS width select input
I Processor mode select input
Not used
I Reset input
O Crystal oscillating element connection pin
GND
I Crystal oscillating element connection pin
VDD
I NMI input
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 input
Not used
I Hold input
Not used
O C Read strobe
Not used
O C Write strobe
Not used
O C Bank address (High)
O C Bank address (Low)
O C External ROM chip select
O C Address bus Output
Not used
O C Address bus Output
VDD
O C Address bus Output
GND
O C Address bus Output
Not used
I/O Data bus input/output
Not used
Connect to VSS
Not used
Connect to VSS
Connect to VCC
Not used
25
1
DEH-P920R,P9200R,P9250
Format Meaning
C C MOS
93