
TK-2180
14
Pin No.
Port Name
I/O
Function
98
TCLK/DTRDO
I
BB TCLK and DTRDO
99
SAVE
O
Save
100
T/R
O
TX/RX switch
101
AM1
O
AF PA switch
102
LCDRS
O
LCDRS
103
SSW
I
EXT/INT SP switch input
104~111
D7~D0
I/O
Data bus 7~0
112
DT
O
Serial data
113
CK
O
Serial clock
114
W/N
O
Wide/Narrow switch
115~119
OPT 1~OPT 5
I/O
Option boad I/F 1~5
120
BATTSEL/VOX
I
BATT select and VOX input
121
THP/VCO ADJ
I
Thermal detect and VCO adjust
122
VOL
I
Volume level input
123
PF
I
PF key in
124
ASQ
I
RX Analog SQ. input
125
RSSI
I
RX RSSI input
126
BATT LVL
I
BATT level
127
AGND
-
DGND (Vss)
128
LSDIN
I
Low speed data input
Key Processor
: BU2099FV (Display unit IC500)
Pin No.
Port Name
I/O
Function
1
Vss
-
GND
2
NC
-
3
DATA
I
Serial data input
4
CLK
I
Serial clock input
5
LCK
I
Storage enable input
6
Q0
O
LCD back light control
7~15
Q1~Q9
O
Key matrix output
16
Q10
O
NC
17
Q11
O
NC
18
SO
O
NC
19
OE
I
/LCDRST
20
VDD
I
5V
Display unit (X54-3470-XX)
Ref. No.
Part name
Description
IC500
IC
Key processor
IC501
IC
Voltage regulator / LCD
IC502,503
IC
LCD control
Q501,502
Transistor
Back light control
Q504
FET
LCD reset
Q505
FET
Contrast control
D500
Diode
Contrast control
D501,502
LED
Key back light (TK-2180-K2 only)
D511~514
LED
Key back light (TK-2180-K2 only)
D515~520
LED
Key back light
D522
Diode
Key control
TX-RX unit (X57-6930-10)
Ref. No.
Part name
Description
IC1
IC
PLL system
IC100
IC
Comparator (APC)
IC200
IC
FM IF system
IC400
IC
Voltage detector / INT
IC401~403
IC
Voltage regulator / 5V
IC404
IC
5T control
IC405
IC
Voltage detector / Reset
IC406
IC
Voltage regulator / 5V
IC500
IC
Flash memory
IC502
IC
Microprocessor
IC503
IC
RTC processor
IC504
IC
EEPROM
IC505
IC
Selector
IC600
IC
AF buffer
IC601
IC
LSD LPF / V REF
IC602
IC
LSD buffer to TCXO
IC603
IC
Tune
IC604
IC
HSD BPF / HSD COMP
IC605
IC
D/A converter
IC606
IC
AF switch
IC607
IC
AQUA-L
IC608
IC
MIC AMP / VOX
IC609
IC
AF power AMP
Q1
Transistor
Fin filter shift switch
Q2
Transistor
PLL IC f_in AMP
Q6
FET
VCO / RX
Q7
FET
VCO / TX
Q8
FET
DC switch / TX VCO
Q9
FET
DC switch / RX VCO
Q10
Transistor
RF buffer AMP
SEMICONDUCTOR DATA / COMPONENTS DESCRIPTION