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µ
I
-COM DATA
IC501 : LC866420A
8 bit µ-COM
No.
Port
I/O
Name
1
P17/PWM0
O
/MMUTE
2
P30
I
ROT1
3
P31
I
ROT0
4
P32
I
MODEL
5
P33
I
ROTSW
6
P70/INT0
I
—
7
/RES
I
/RESET
8
/P74/XT1
I
—
9
P75/XT2
I
—
10
VSS1
I
GND
11
CF1
CF
12
CF2
CF
13
VDD1
I
VDD
14
P80/AN0
ADI
KEYIN1
15
P81/AN1
ADI
KEYIN2
16
P82/AN3
ADI
KEYIN3
17
P83/AN3
ADI
METER
18
P84/AN4
I
—
19
P85/AN5
I
—
20
P86/AN6
I
—
21
P87/AN7
ADI
VER
22
P71/INT1
I
—
23
P72/INT2
I
/POWERDOWN Power down detect
24
P73/INT3
I
REM
25
S0/T0
O
13G
26
S1/T1
O
12G
27
S2/T2
O
11G
28
S3/T3
O
10G
29
S4/T4
O
9G
30
S5/T5
O
8G
31
S6/T6
O
7G
32
S7/T7
O
6G
33
S8/T8
O
5G
34
S9/T9
O
4G
35
S10/T10
O
3G
36
S11/T11
O
2G
37
S12/T12
O
1G
38
S13/T13
—
39
S14/T14
—
40
S15/T15
—
KEY INPUT
Key Input
Resistance (Ω)
Extent of AD
Extent of Voltage (V)
Pin No.14
KEYIN1
Pin No.15
KEYIN2
Pin No.16
KEYIN3
Function
Main mute
Rotary encoder input
This input available for ROTSW=H
Model 0
Rotary encoder yes(H) or no(L)
—
Reset
—
—
GND
6MHz
6MHz
+5V
AD key input
AD key input
AD key input
Signal level input
—
—
—
Version input
—
REM input
FL segment
FL segment
FL segment
FL segment
FL segment
FL segment
FL segment
FL segment
FL segment
FL segment
FL segment
FL segment
FL segment
—
—
—
1
2
0k
1.8k
00H~15H
16H~3DH
0.00~0.41
0.41~1.19
P3
P4
MODE
EDIT (KMODE)
—
—
No.
Port
I/O
Name
41
VDD2
I
VDD
42
VP
I
VDDVPP
43
S16/PC0
O
P1
44
S17/PC1
O
P2
45
S18/PC2
O
P3
46
S19/PC3
O
P4
47
S20/PC4
O
P5
48
S21/PC5
O
P6
49
S22/PC6
O
P7
50
S23/PC7
O
P8
51
S24/PD0
O
P9
52
S25/PD1
O
P10
53
S26/PD2
O
P11
54
S27/PD3
O
P12
55
S28/PD4
O
P13
56
S29/PD5
O
P14
57
S30/PD6
O
P15
58
S31/PD7
O
—
59
S32/PE0
I/O
—
60
S33/PE1
I/O
—
61
S34/PE2
I/O
—
62
S35/PE3
I/O
—
63
S36/PE4
I/O
—
64
S37/PE5
I/O
—
65
P00
O
—
66
P01
O
—
67
P02
O
—
68
P03
O
—
69
P04
O
/TMUTE
70
P05
O
—
71
P06
O
—
72
P07
O
—
73
VSS2
I
GND
74
P10/S00
O
—
75
P11/SI0
SIN
—
76
P12/SCK0
SCL —
77
P13/SO1
I
PLLDAT-in
78
P14/SI1
O
PLLDAT-out
79
P15/SCK1
O
PLL-CLK
80
P16/BUZ
O
PLLCE
3
4
2.7k
3.9k
3EH~64H
65H~8AH
1.19~1.95
1.95~2.70
P5
P6
MEMORY
PAGE
—
—
FM/AM (MW/LW)
Function
+5V
–24V
FL segment
FL segment
FL segment
FL segment
FL segment
FL segment
FL segment
FL segment
FL segment
FL segment
FL segment
FL segment
FL segment
FL segment
FL segment
—
—
—
—
—
—
—
—
—
—
—
Tuner mute
—
—
—
GND
—
—
—
Data input from PLL
Data output for PLL
PLL clock
PLLCE
5
6
6.8k
13k
8BH~B0H
B1H~D3H
2.70~3.44
3.44~4.12
P7
P8
P1
P2
TUNING DOWN
TUNING UP
TX-396L
7
39k
D4H~F0H
4.12~4.69
—
—
8
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