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4 - 4
Pin
No.
Port
Name
Signal Description
I/O
1
BEEP
Beep sounds.
OUT
2
PS
PLL mode control signal.
“Low”=power save mode.
OUT
3
TDEC
Tone signals.
OUT
4
DASTB
Strobe signal to D/A converter.
OUT
5
PLSTB
Strobe signal to the PLL IC.
OUT
10
SDATAO
Common serial data.
OUT
11
SCLK
Common clock signal.
OUT
12
ESCK
Common clock signal to the EEPROM.
OUT
13
ESDA
Data signal to the EEPROM.
IN/
OUT
23,
24
OSC2,
OSC1
CPU clock input.
IN
25
RES
CPU reset signal.
OUT
27
TEMPV
Transceiver’s internal temperature.
IN
29
LOINV
Lock voltage from the PLL IC.
IN
30
TDETV
Transmit power detect signal.
IN
31
BATTV
Battery voltage.
IN
32
RSSIV
RSSI signal from IF IC.
IN
33
NOISV
Noise signal from IF IC.
IN
35
EXDET
External cpnnection detect signal.
IN
36
WDECV
Weather alart signal.
IN
38
ATIS
ATIS signals.
46−
48
COM0−
COM2
LCD segments.
OUT
51−
72
SEG0−21 LCD
segments.
OUT
80
MICMS
Microphone mute signal.
OUT
83
AFMS
AF mute switch control signal.
OUT
84
V5VS
V5V power line control signal.
85
AFVS
AF power amplifi er switch control signal. OUT
86
5VS
5V power line control signal.
OUT
87
S5VS
S5V power line control signal.
OUT
88
LOW
TX power control signal.
“High”=While the TX power is low..
OUT
89
R5VS
R5V power line control signal.
“High”=While receiving.
OUT
90
T5VS
T5V power line control signal.
“High”=While transmitting.
OUT
97
TXMS
Transmit mute signal.
OUT
98
DETMS
AF mute signal to the D/A converter.
99
ATTS
Attenuator control signal.
“High”=While the attenutor function is
activated.
OUT
102
EXPTT
Input port for external [PTT] switch.
“Low”=While the switch is pushed
IN
103
PTTIN
Input port for [PTT] switch.
“Low”=While the switch is pushed
IN
104
BTYPE
Battery type detection signal.
IN
106
WET
Leaking detection.
IN
108
16/9
Input port for [16/9] key.
“Low”=While the key is pushed
IN
109
CH/WX
Input port for [CH/WX] key.
“Low”=While the key is pushed
IN
110
UP
Input port for [
Y
] key.
“Low”=While the key is pushed
IN
111
DOWN
Input port for [
Z
] key.
“Low”=While the key is pushed
IN
112
FAV
Input port for [FAV] key.
“Low”=While the key is pushed
IN
113
VOL
Input port for [VOL] key.
“Low”=While the key is pushed
IN
114
SCAN
Input port for [SCAN] key.
“Low”=While the key is pushed
IN
Pin
No.
Port
Name
Signal Description
I/O
115
SQL
Input port for [SQL] key.
“Low”=While the key is pushed
IN
116
H/L
Inputport for [H/L] key.
“Low”=While the key is pushed
IN
120
UNLKI
PLL unlock detect signal.
“High”=While the PLL circuit is unlocked.
IN
4-5 CPU PORT ALLOCATION