TK-8180/8189
23
Pin No.
Port Name
I/O
Function
1
VREF
-
+5V
2
AVCC
-
+5V
3
SBC
O
Switched B control
4
RXC
O
RX control
5
TXC
O
TX control
6
PC
O
TX APC adjust
7
HSDO
O
High speed data output
8
STSW
O
Side tone switch
9
RTCL/EEPCL
O
RTC/EEPROM clock
10
HSDIN
I
High speed data input
11
NC
-
No connection
12
RTDT/EEPDAT
I/O
RTC/EEPROM data
13
BYTE
-
+5V
14
CNVSS
-
DGND (Vss)
15
DMUTE
O
Det mute
16
AM2
O
Audio mute 2
17
RST
I
Reset
18
Xout
O
11.0592MHz clock output
19
DGND
-
DGND (Vss)
20
Xin
I
11.0592MHz clock input
21
VCC1
-
+5V
22
NMI
-
+5V
23
PSW
I
Power switch input
24
INT
I
BATT voltage INT
25
INTRA
I
RTC INT
26
SHIFT/MODEL
I/O
Beat shift/Model select
27
BEEP
O
Beep output
28
SPSTB
O
Shift register strobe
29
SOE
O
Shift register output enable
30
AIO5
I/O
AUX I/O 5
31
AIO9
I/O
AUX I/O 9
32
DSTB
O
D/A converter LD
33
LSDO
O
Low speed data output
34
RXD2
I
RXD2
35
TXD2
O
TXD2
36
TXD1
O
TXD1/PTT (Scrambler board)
37
Vcc1
-
+5V
38
RXD1
I
RXD1
39
DGND
-
DGND (Vss)
40
MM1
O
MIC mute 1
41
PSENS
I
Panel sense
42
TXD
O
TXD
43
RXD
I
RXD
44
AFDAT
O
BB TDATA and DTRCLK
45
AFDIO
I/O
BB DI/O
46
AFDIR
O
BB DIR
47
DTRLOAD
O
BB DTMF enable
48
AFSTD
I
BB STD
Pin No.
Port Name
I/O
Function
49
LSW
O
BB LIM switch
50
RDY
-
+5V
51
NC
-
No connection
52
HOLD
-
+5V
53
NC
-
No connection
54~57
AIO4~AIO1
I/O
AUX I/O 4~1
58
NC
-
No connection
59
RD
O
Read (RD)
60
NC
-
No connection
61
WR
O
Write (WR)
62~64
AIO8~AIO6
I/O
AUX I/O 8~6
65,66
NC
-
No connection
67
RST2
O
Display
µ
-com reset
68
CS0
O
Chip select 0
69
NC
-
No connection
70~79
A18~A9
O
Address bus 18~9
80
UL
I
PLL unlock
81
PLE
O
PLL enable
82
PCK
O
PLL clock
83
NC
-
No connection
84
OPT6
I/O
Option boad I/F 6
85
VCC2
-
+5V
86
A8
O
Address bus 8
87
DGND
-
DGND (Vss)
88~95
A7~A0
O
Address bus 7~0
96
IGN
I
Ignition sense
97
AFRTM
I
BB RDF/FD
98
TCLK/DTRDO
I
BB TCLK and DTRDO
99
MM2
O
MIC mute2
100
T/R
O
TX/RX switch
101
AM1
O
Audio mute 1
102
EMTON
O
EM tone switch
103
NC
-
No connection
104~111
D7~D0
I/O
Data bus7~0
112
DT
O
Serial data
113
CK
O
Serial clock
114
W/N
O
Wide/Narrow switch
115~117
OPT 1~OPT 3
I/O
Option boad I/F 1~3
118,119
OPT 4, OPT 5
O
Option boad I/F 4, 5
120
H/L
O
High/Low power switch
121
THP
I
TX thermal input
122,123
NC
-
No connection
124
ASQ
I
RX analog SQ. input
125
RSSI
I
RX RSSI input
126
NC
-
No connection
127
AGND
-
AGND (Vss)
128
LSDIN
I
Low speed data input
SEMICONDUCTOR DATA
Microprocesser : 30625MGP169GU (TX-RX unit IC404)