30
• IC701 HD6432355A08F (DISPLAY CONTROL) (MAIN BOARD)
Pin No.
Pin Name
I/O
Pin Description
1, 2
PG3, 4
O
Not used. (Open)
3
VSS
—
Ground
4
NC
—
Not used. (Open)
5
VCC
—
Power supply pin (+5 V)
6 – 9
PC0 – 3
O
Not used. (Open)
10
VSS
—
Ground
11 – 14
PC4 – 7
O
Not used. (Open)
15 – 18
PB0 – 3
O
Not used. (Open)
19
VSS
—
Ground
20 – 23
PB4 – 7
O
Not used. (Open)
24 – 27
PA0 – 3
O
Not used. (Open)
28
VSS
—
Ground
29
PA4/IRQ4
O
Not used. (Open)
30
PA5/IRQ5
O
Not used. (Open)
31
PA6/IRQ6
O
Not used. (Open)
32
PA7/IRQ7
O
Not used. (Open)
33
SP-LAT
I
Digital signal processor spectrum analyzer data latch input
34
P66/IRQ2
O
Not used. (Open)
35, 36
VSS
—
Ground
37
P65/IRQ1
O
Not used. (Open)
38
BUS-ON
I
SONY BUS ON input
39
VCC
—
Power supply pin (+5 V)
40
CD/MD
I
CD/MD mechanism deck setting input (“L” : CD mechanism deck)
41 – 43
PE1 – 3
O
Not used. (Open)
44
VSS
—
Ground
45
TIR IND
O
TIR indicator LED drive output
46, 47
PE5, 6
O
Not used. (Open)
48
MD LOCK
I
MD lock signal input (“L” : unlock)
49
BU-IN
I
Back-up power supply detection input
50
LINK-OFF
O
LINK OFF output (Not used in this set.)
51
PD2
O
Not used. (Open)
52
ILL-ON
O
Illumination power supply control output
53
VSS
—
Ground
54
DOOR SW
I
DOOR switch input (“L” : close, “H” : open)
55
NCO
—
Not used. (Open)
56
PD6
O
Not used. (Open)
57
BOOT
I
FLASH write mode detection input
58
VCC
—
Power supply pin (+5 V)
59
NC
—
Not used. (Open)
60
TX/FL-SO/LCDDATA
O
LCD driver serial data/FLASH rewriting serial data output
61
SP-SI
I
Digital signal processor spectrum analyzer data input
62
RX
I
FLASH rewriting serial data input
63
SP-SCK
I
Digital signal processor spectrum analyzer data serial clock input
64
LCDCLK
O
LCD driver/serial clock output
65
VSS
—
Ground
66
LCDINH
O
LCD driver inhibit control output
67, 68
VSS
—
Ground
69
LCDCE0
O
LCD chip enable output
70
LCDCE1
O
LCD chip enable output
71
P63
O
Not used. (Open)
72 – 78
P27 – 21
O
Not used. (Open)
79
FL W
O
FLASH write control output
Содержание CDX-C8850 - Fm/am Compact Disc Player
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