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Microprocessor: M38267M8L271GP (IC 300)
Pin No. I/O
Port Name
1
I
BATT
2
I
UL
3
I
SM
4
I
TIBI
5
I
TI
6
I
BUSY
7
l
REM
8
l
VOX
9
O
APC
10
O
DTMF
11
O
WNTC
12
O
WNRC
13
l
NC
14
O
NC
15
O
BEEP
16
O
TO
17
l
NC
18
I
PTT
19
O
TXD
20
I
RXD
21
l
SD
22
I
STD
23
I
UP
24
I
DOWN
25
O
PD
26
O
PS
27
O
NC
28
O
V1
29
O
V2
30
O
V3
31
O
V4
32
l
INTO
33
I
RESET
34
I
NC
35
O
NC
36
l
Xin
37
O
Xout
38
I
Vss
39
O
SHIFT
40
O
NC
41
l
MONI
42
l
H1
43
l
H2
44
l
H3
45
I
H4
46
l
H5
47
l/O
SDA
48
l
SCL
49
O
NC
50
O
SAVE
51
O
3.5MC
52
O
3.5TC
53
O
RX
54
O
3.5RC
55
O
AFCO
TK-260
:K, K2
SEMICONDUCTOR DATA
Function
Battery level input
PLL IC Unlock Unlock="L"
Signal Meter
QT/DQT external circuit bias input
QT/DQT signal input
Busy signal input
Connect to TXD
For detecting Mic input Voice level
TX Auto Power Control
DTMF Encoding
Max. Deviation Control
("H"-Narrow, "L"-Wide)
Audio Sense Control
("L"-Narrow, "H"-Wide)
NC
NC
Beep output
QT/DQT output
NC
PTT key Press (Connected to RXD)
Press "L"
For FPU (RS-232) communication
(With REM)
For FPU (RS-232) communication
(With PTT)
Serial data from DTMF IC
DTMF IC control Detect="H"
Encoder for Channel up
Encoder for Channel down
DTMF IC Power down pin Power
down="H"
Power Save for PLL IC. ON="L"
NC
Vertical Key Matrix
Vertical Key Matrix
Vertical Key Matrix
Vertical Key Matrix
LOW Voltage detect. Detect="L"
Reset input pin for active "L"
NC
NC
Connect to crystal 7.3728MHz
Connect to crystal 7.3728MHz
GND
Beat shift
H : shift ON
NC
For Monitor Key Press. Press= "L"
Horizontal Key Matrix
Horizontal Key Matrix
Horizontal Key Matrix
Horizontal Key Matrix
Horizontal Key Matrix
EEPROM IC data
EEPROM IC data
NC
Battery Save.
ON= "L"
Common Power supply ON= "L"
TX Circuit Power Supply ON= "H"
TX/RX VCO select
TX= "L"
RX Circuit Power Supply ON= "H"
Speaker Mute
Mute= "H"
Pin No. I/O
Port Name
56
O
MUTE
57
O
RLED
58
O
GLED
59
O
LED
60
O
LE
61
O
DT
62
O
CK
63
O
64
O
65
O
66
O
67
O
68
O
69
O
70
O
71
O
72
O
73
O
74
O
75
O
76
O
77
O
78
O
79
O
80
O
81
O
82
O
83
O
84
O
85
O
86
O
87
O
88
O
89
I
VCC
90
I
VREF
91
I
VSS
92
O
NC
93
O
94
O
95
O
96
I
97
I
98
I
NC
99
I
NC
100
I
FET : 2SK3475 (Q18)
Absolute Maximum Ratings (Ta=25°C)
Item
V
V
I
DSS
GSS
D
Rating
20V
±5V
1.0A
FET : 2SK3476 (Q22)
Absolute Maximum Ratings (Ta=25°C)
Item
V
V
I
DS
GSS
D
Rating
20V
±5V
3.0A
TK-3118
Function
AF/Microphone Mute
Mic mute= "H"
AF mute= "L"
ON/OFF Red led
ON= "H"
ON/OFF Green led ON= "H"
LCD LAMP
ON= "H"
PLL IC data
load Enable "H"
PLL IC data
PLL IC clock
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
LCD
Connected to Power Supply
Connected to Power Supply
GND
NC
LCD
LCD
LCD
LCD Voltage level
LCD Voltage level
LCD Voltage level
Pch*
Tch
Tstg
3W
150°C -45~+150°C
*Tc=25°C
Pch*
Tch
Tstg
20W
150°C -45~+150°C
*Tc=25°C
17
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