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TK-2102G
10
SEMICONDUCTOR DATA
Microprocessor: 38268MCA060GU (TX-RX unit IC403)
Pin No.
Port Name I/O Function
1,2 VC1,VC2 O Variable capacity tune control
3NC INC
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
8NC lNC
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 (Q102)
FET : 2SK2595-E (Q105)
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