Panasonic CQ-C7105U Service Manual page 13

11.2. Display Block
IC900:YEAMB90488BP
Pin Port
No.
1 P22/A18 A18 in Address bus
2 P23/A19 A19 in Address bus
3 P24/A20/ A20 in Address bus
PPG0
4 P25/A21/ NC
PPG1
5 P26/A22/ LED_G Control
PPG2
6 P27/A23/ LED_B Control
PPG3
7 P30/A00/ LCD driver data command
AIN0 distinction terminal
8 P31/A01/ A0 in Address bus
BIN0
9 VSS GND
10 P32/A02/ A1 in Address bus
ZIN0
11 P33/A03/ A2 in Address bus
AIN1
12 P34/A04/ A3 in Address bus
BIN1
13 P35/A05/ A4 in Address bus
ZIN1
14 P36/A06/ A5 in Address bus
PWC0
15 P37/A07/ A6 in Address bus
PWC1
16 P40/A08/ A7 in Address bus
SIN2
17 P41/A09/ A8 in Address bus
SOT2
18 P42/A10/ A9 in Address bus
SCK2
19 P43/A11/ A10 in Address bus
MT00
20 P44/A12/ A11 in Address bus
MT01
21 VCC +3.3v power supply
22 P45/A13/ A12 in Address bus
EXTC
23 P46/A14/ A13 in Address bus
OUT4
24 P57/A15/ A14 in Address bus
OUT5
25 P70/SIN0 Serial data from Main CPU or
Flash writer
26 P71/SOT0 Serial data from Main CPU or
Flash writer
27 P71/SCK0 External Flash rewriting switch
28 P73/TIN0 NC
29 P74/TOT0 Flash reset
30 P75/PWC2 Key scan 1
31 P76/SCL NC
32 P77/SDA NC
33 AVCC +3.3 Power supply
34 AVRH +3.3 Power supply
35 AVSS/AVRL GND
36 P60/AN0 Key matrix setting
37 P61/AN1 Key scan 2
38 P62/AN2 Key scan 3
39 P63/AN3 NC
40 VSS GND
41 P64/AN4 Key-in return 5
42 P65/AN5 Key-in return 4
43 P66/AN6 Key-in return 3
44 P67/AN7 Key-in return 2
45 P80/IRQ0 NC
46 P81/IRQ1 NC
47 MD0 MODE SET 0
48 MD1 MODE SET 1
49 MD2 MODE SET 2
50 P82/IRQ2 NC
51 P83/IRQ3 Volume-up detection from
Rotary encoder
Description I/O (V)
O
O
O
O
O
O
0
O
--
O
O
O
O
O
O
O
O
O
O
O
-- 3.5
O
O
O
O
O
I
O
O
I
O
O
-- 3.5
-- 3.5
--
I
I
I
O
--
I
I
I
I
I
I
I
I
I
O
I
Pin Port
No.
52 P84/IRQ4 Volume-down detection from
Rotary encoder
3.5
53 P85/IRQ5 NC
3.5
54 P86/IRQ6 NC
3.5
55 P87/IRQ7 NC
56 P90/SIN1/CS NC
-
0
57 P91/SOT1/ NC
0.7
CS1
58 P92/SCK1/ chip enable for Flash memory
0.7
CS2
59 P93/FRCK/AD LCD chip select
3.5
TG/CS3
60 PN94/PPG4 LED_R Control
3.5
61 PN95/PPG5 NC
62 P96/IN0 NC
0
63 P97/IN1 NC
3.5
64 PA0/OUT0 Power control for LCD
65 PA1/OUT1 NC
3.5
66 PA2/OUT2 NC
3.5
67 PA3/OUT3 NC
68 P50/ALE NC
3.5
69 P51/RDX output enable for Flash memory
70 P52/WRLX Write strobe for LCD
3.5
71 P53/WRHX Write enable
72 P54/HRQ NC
0
73 P55/HAKX Reset for LCD
74 P56/RDY Ready/Busy from Flash memory
3.5
75 RSTX RESET
0 76 P57/CLK NC
77 X1A NC
0
78 X0A NC
79 VSS GND
3.5
80 X0 System clock (12.5MHZ)
81 X1 System clock (12.5MHZ)
3.5
82 VCC +3.3 Power supply
83 P00/AD00/ D0 in Address bus
D00
3.2
84 P01/AD01/ D1 in Address bus
D01
3.2
85 P02/AD02/ D2 in Address bus
D02
3.2
86 P03/AD03/ D3 in Address bus
D03
3.2
87 P04/AD04/ D4 in Address bus
D04
3.5
88 P05/AD05/ D5 in Address bus
D05
3.5
89 P06/AD06/ D6 in Address bus
-
D06
3.5
90 P07/AD07/ D7 in Address bus
0
D07
-
91 P08/AD08/ D8 in Address bus
-
D08
92 P09/AD09/ D9 in Address bus
D09
93 P10/AD10/ D10 in Address bus
0
D10
3.5
94 P11/AD11/ D11 in Address bus
0
D11
0
95 P12/AD12/ D12 in Address bus
-
D12
0
96 P13/AD13/ D13 in Address bus
0
D13
0
97 P14/AD14/ D14 in Address bus
D14
0
98 P15/AD15/ D15 in Address bus
0
D15
0
99 P20/A16 A15 in Address bus
3.8
100 P21/A17 A16 in Address bus
3.5
3.5
0
-
3.2
13
Description I/O (V)
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
O
O
I
--
I
O
-- 3.5
I
I
I
I
I
I
I
I
I/O 3.8
I/O 3.8
I/O 3.8
I/O 3.8
I/O 3.8
I/O 3.8
I/O 3.8
I/O 3.8
O
O
CQ-C7105U
3.2
-
-
-
-
-
3.5
3.5
0.7
-
-
-
3.5
-
-
-
-
3.4
3.4
3.4
-
3.4
3.4
3.5
-
-
-
0
3.2
3.2
3.8
3.8
3.8
3.8
3.8
3.8
3.8
3.8
3.8
3.8