Pioneer DEH-P9800BT - Radio / CD, Service Manual

Page: 100 / 148

DEH-P980BT/XN/UC
100
1 2 3 4
1 2 3 4
C
D
F
A
B
E
-
Pin Functions (PEG182A)
Pin No. Pin Name I/O Format Function and Operation
1 DRIVE_CS Anode driver IC chip select output
5 REM I Remote control reception input
6 BYTE I GND connection
7 CNVSS I GND connection
8 NC Not used OPEN
10
reset
I Reset input
11 XOUT O Crystal oscillating element connection pin
12 VSS1 GND connection
13 XIN Crystal oscillating element connection pin
14 VCC1 VDD connection
15
nmi
OELINT
I
I Pull up
16 OEL controller : VSYNC interrupt notification input
25 NC Not used
26-28 KS2-KS0 Key strobe output
30 DPDT I Display data input
29 KYDT O
O
O
Key data output
31,32 NC Not used
33 CDTX CD mechanism : Data output
I
34 CDRX CD mechanism : Data input
35,36 NC O Not used
37
rdy
I
38 NC Not used OPEN
39
hold
I
O
Pull up
40 NC OPEN
41 BCLK OEL controller : clock output
42
rd
O Image ROM : Read stobe output
43 NC OPEN
44
wr
O Write strobe output
45-47
cs)-cs@
O External ROM chip select output
48-59 A20-A9 O Address bus 20-19 output
60 VCC2 VDD connection
61 A8 O Address bus 8 output
62 VSS2 GND connection
63-70 A7-A0 C
C
C
C
C
C
C
N
Address bus 7-0 output
71-86 D15-D0 I/O C
C
Data bus 15-0 input / output
87,88 NC
NC
Not used
91-93
kd@-kd)
Key data input
Not used
94 AVSS GND connection
95 NC Not used
96 VREF GND connection
97 AVCC VCC connection
98,99 NC Not used
100
17 OELRESET O C OEL controller : Reset output
18 FLRESET O C Flash memory : Reset output
19 FLBUSY I Flash memory : READY and BUSY signal detect input
20 FLCE-ON O C Flash memory : Chip enable output
21 P2CE-ON O C P2ROM : Chip enable output
22 ROMBK2 O C Image ROM : Bank address output
23 ROMBK1 O C Image ROM : Bank address output
24 ROMBK0 O C Image ROM : Bank address output
OELROMCS E2 ROM : Chip select output
89
90 JOYST I
I
Rotary commander data input
2 ROMDT
3 ROMCS
4 ROMCK
O C
/C
C
C
I/O
O
O
ROM correction : Data input/output
ROM correction : Chip select output
ROM correction : Clock output
O
9
RDY signal input
Bluetooth attestation LED output C
O
BTLED
I
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