Pioneer AVH-P7800DVD/UC Service Manual page 267

5
- Pin Functions (PE5534A)
Pin No. Pin Name
1-7 D14-8
8 EVdd
9 EVss
10-17 D7-0
18 DIMMER
vddsens
19
20 MFLPW
MVIPW
21
gdcirq!
22
23 Vdd
24 Vss
25 PNLXV
26 PNLYV
27 PNLVD
28 TDO
29 TDI
30,31 NC
trst
32
33 NC
flashbusy
34
35 TMS
36 TCK
37 EVdd
38 EVss
wp
39
40 VBLANK ENA
pipres
41
42 YS ENA
43 INVPUL
44 CSYNCSEL
45 PIPSCK
46 PIPSDA
gdcirq)
47
StoMDATA
48
49 MtoSDATA
50 SCLKSEL
51 LtoMDATA
52 MtoLDATA
53 CHIP_SCK
54 FtoMDATA
55 MtoFDATA
56 CVdd
57,58 X2,1
59 CVss
60 CKSEL
61 PSEL
62 Vdd
63 Vss
64,65 MODE0,1
reset
66
67 AVdd1
68 MONSTATUS
69 NC
70 AVss1
71 AVss0
5
6
Function and Operation
I/O
External ROM/RAM data bus
I/O
Positive power supply(3.3 V) for ports
GND for ports
External ROM/RAM data bus
I/O
Intelligent DIMMER pulse output
O
Vdd sense output
O
TFT back light output
O
O Video power supply output
GDC interruption request 1
I
Positive power supply(2.5 V) for each internal unit
GND
Touch screen X direction power supply output
O
Touch screen Y direction power supply output
O
Touch screen push sense output(push = Low, X = High, Y = Low)
O
O (Debug data output)
(Debug data input)
I
Not used
(Debug reset)
I
Not used
Flash memory ERASE/PROGRAM operation detection input
I
(Debug mode select)
I
I (Debug clock)
Positive power supply(3.3 V) for ports
GND for ports
Hardware write protect output
O
NAVI/GDC display select output(H : GDC output)
O
Dual display IC reset output
O
NAVI YS signal enable terminal
O
O Inverter pulse output
CSYNC select output for dual display IC
O
Dual display IC clock output
O
Dual display IC data input/output
I/O
GDC interruption request 0
I
I System microcomputer display data input
System microcomputer key data output
O
O Dot clock select terminal
LCD microcomputer display key data input
I
LCD microcomputer display data output
O
Clock input terminal for chip check test
I
Reception port for rewriting onboard flash memory
I
O Sending port for rewriting on-board flash memory
Positive power supply(3.3 V) for OSC terminal
Oscillator connection for mainclock
GND for OSC terminal
Clock generator mode select input
Input frequency select signal input on PLL mode
Positive power supply(2.5 V) for each internal unit
GND
Operation mode select terminal 0,1
Reset input
A/D converter positive power supply(3.3 V)(reference voltage terminal)
Monitor microcomputer status output(D/A output)
O
Not used
D/A converter GND
A/D converter GND
AVH-P7800DVD/UC
6
7
7
8
A
B
C
D
E
F
267
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