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Pin
No.
Port
Description
I/O
Volts (V)
FM AM CD TA
PE
82 VDD
Analog voltage input for the
A/D converter
A/D converter
I
4.9 4.9 4.9 4.9
83 AVDD
Standard Voltage for the
A/Dconverter
A/Dconverter
I
4.9 4.9 4.9 4.9
84 GND
(AVSS)
Ground for the A/D converter
-
0
0
0
0
85 LANIN
AVC-LAN data input
I
0
0
0
0
86 LANOUT AVC-LAN data output
O
0
0
0
0
87 GND
Connecting to ground
I
0
0
0
0
88 CAM-A/B H: Side B L: Side A
I
0
0
0 4.9
89 ILL-DET
H: Illumi off L: Illumi on
I
4.9 4.9 4.9 4.9
90 SW1
<DQSY>
Activates same period signals
with H->L->H (Due to an
inverted circuit) (Interrupted
when normal)
with H->L->H (Due to an
inverted circuit) (Interrupted
when normal)
I
4.9 4.9
0 4.9
91 +B DET
H: +B on L: +B off
I
4.9 4.9 4.9 4.9
92 ACC-
DET
H: ACC off L: ACC on
I
0
0
0
0
93 SW3
H: SW3 off L: SW3 on
I
4.9 4.9 4.9 4.9
94 NC
Not used
I
-
-
-
-
95 FLASH
SO
Flash rom data input
(Independent of the
microcomputer)
(Independent of the
microcomputer)
I
0
0
0
0
96 FLASH
SI
Flash rom data output
(Independent of the
microcomputer)
(Independent of the
microcomputer)
O
4.9
0
0
0
97 NC
Not used
O
0
0
0
0
98 T-IN
H: No tape L: With Tape
I
4.9 4.9 4.9
0
99 END-B
Tape end detector B
I
0
0
0 1.5
100 END-A
Tape end detector A
I
0
0
0 1.5
6.2. Display Block
IC901 : YEAMPD32B015
Pin
No.
No.
Port
Description
I/O
Volts
(V)
1
LED1 (NC)
-
-
-
2
LED2 (NC)
-
-
-
3
LED3 (NC)
-
-
-
4
LED4 (NC)
-
-
-
5
VSS
Connecting to ground
-
0
6
VLC5
LCD Control Voltage 5
-
0
7
VLC4
LCD Control Voltage 4
-
1.5
8
VLC3
LCD Control Voltage 3
-
3.0
9
VLC2
LCD Control Voltage 2
-
3.0
10
VLC1
LCD Control Voltage 1
-
4.5
11
VLCD
LCD Control Voltage 0
-
6.1
12
VDD
Connecting to 5 volts
-
5.0
13
SYNC
Synchronized input
-
5.0
14
LCD OFF
LCD Control(When the LCD
is down)
I
5.0
15
RESET
Reset
I
5.0
16
KEY REQ
Key request output
O
0
17
SCK
Control clock input
I
0
18
DATA
Data input/output
I/O
5.0
19
STB
Strobe input
I
0
20
OSC IN
Oscillation Input
I
2.4
21
OSC OUT
Oscillation Output
O
2.5
22
KEY 1
Key scan input
I
0.9
23
KEY 2
Key scan input
I
0.9
24
KEY 3
Key scan input
I
1.0
25
KEY 4
Key scan input
I
1.0
26-
33
SEG1/KS1 -
SEG8/KS8
Segment/Key-scan input
O
3.0
34-
85
SEG9 - SEG60
Segment output
O
3.0
86-
89
SEG61/COM14 -
SEG64/COM11
Segment / common output
O
3.0
90-
92
(NC)
-
-
-
Pin
No.
No.
Port
Description
I/O
Volts
(V)
93-
100
100
COM7 - COM0
Common 7-0
O
3.1
7
CQ-JS0483K
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