TK-7180
20
Pin No. Port Name I/O Function
1VREF-+5V
2AVCC - +5V
3 SBC O Switched B control
4RXC O RX control
5TXC O TX control
6PCOTX APC adjust
7HSDO O High speed data output
8STSW O Side tone switch
9RTCL/EEPCL O RTC/EEPROM clock
10 HSDIN I High speed data input
11 NC - Non-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 - Non-connection
52 HOLD - +5V
53 NC - Non-connection
54~57 AIO4~AIO1 I/O AUX I/O 4~1
58 NC - Non-connection
59 RD O Read (RD)
60 NC - Non-connection
61 WR O Write (WR)
62~64 AIO8~AIO6 I/O AUX I/O 8~6
65,66 NC - Non-connection
67 RST2 O Display ยต-com reset
68 CS0 O Chip select 0
69 NC - Non-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 - Non-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 - Non-connection
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
115~117 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 - Non-connection
124 ASQ I RX analog SQ. input
125 RSSI I RX RSSI input
126 NC - Non-connection
127 AGND - AGND (Vss)
128 LSDIN I Low speed data input