TK-3102G
10
SEMICONDUCTOR DATA
Microprocessor: 38268MCA060GU (TX-RX unit IC403)
Pin No.
Port Name
I/O
Function
1,2
VC1,VC2
O
NC
3
NC
I
NC
4
TIBI
I
QT/DQT external circuit center point
input
5
TI
I
QT/DQT signal input
6
BUSY
I
Busy input
7
BATT
l
Battery voltage detection
8
NC
l
NC
9
VCCN
O
Frequency regulation output
10
APC
O
TX : Auto power control D/A output
RX : BPF tuning D/A output
11~14 NC
I
NC
15
BEEP
O
Beep output
16
TO
O
QT/DQT output
17
NC
l
NC
18
PTT
I
[PTT] key input connected to RXD
19
TXD
O
RS-232C output connected to SP/
MIC test (REM)
20
RXD
I
RS-232C input connected to [PTT]
line
21
NC
l
NC
22
SELF
l
Self program L : disable
23
MONl
I
[MONl] key input
24~27 NC
I
NC
28~31 ENC3~ENC0
l
Encode input (channel select)
32
INT0
l
Power detection control
33
RST
I
Reset input
34
NC
I
NC
35
NC
O
NC
36
XIN
l
7.3728MHz oscillator
37
XOUT
O
7.3728MHz oscillator
38
VSS
I
GND
39
SHIFT
O
Beat shift H : shift on
40
PABC
O
Final supply H : on
41
WNRC
O
Audio reference sensitivity L : narrow
42
WNTC
O
MAX Dev. control Narrow: H
43~46 NC
l
NC
47
SDA
l/O
EEPROM data line
48
SCL
O
EEPROM clock line
49
UL
I
PLL unlock detection pin L : unlock
50~54 NC
l
NC
55
DT
O
Common data output
56
CK
O
Common clock output
57
NC
O
NC
58
LE
O
PLL IC enable H : latches
59,60
NC
O
NC
Pin No.
Port Name
I/O
Function
61
5MC
O
Control of power supply (5M) for
everything except the
microprocessor and EEPROM
L : Power supply ON
62
AFCO
O
AF amp power suppIy H : ON
63
RX
O
TX/RX VCO select H : RX
64
GLED
O
Green LED control H : Lit
65
RLED
O
Red LED control H : Lit
66
SAVE
O
Save control H : Save off
67
MUTE
O
Mute control
H : MIC mute, L : AF mute
68
5RC
O
Reception power suppIy control
L : on
69
5TC
O
Transmission power suppIy control
H : on
70~88 NC
O
NC
89
VCC
l
Microprocessor power supply,5V input
90
VREF
l
A/D conversion reference voltage ;
connected to Vcc
91
AVSS
l
A/D converter power supply ; con-
nected to Vss
92~95 NC
O
NC
96~100 NC
I
NC
FET : 2SK2596-E (Q105)
FET : 2SK2595-E (Q107)
Absolute Maximum Ratings (Ta=25°C)
Item
V
DSS
V
GSS
I
D
Pch*
Tch
Tstg
Rating
17V
±10V
0.4A
3W
150°C
-45~+150°C
*Tc=25°C
Absolute Maximum Ratings (Ta=25°C)
Item
V
DSS
V
GSS
I
D
Pch*
Tch
Tstg
Rating
17V
±10V
1.1A
20W
150°C
-45~+150°C
*Tc=25°C
