TK-8180
48
Pin No.
Name Description
16 DTI Data signal input.
Zin≥22kΩ, 600±200mVp-p
17 TCTL Speaker mute signal input.
Input : L≤1.0V, H≥4.0V, Input voltage : 0V~5.0V
18 NC Non-connection.
19 AUDIH MIC mute signal input.
20 OPT2 Option boad I/F 2.
Output : L≤0.45V, H≥4.7V/25kΩ load
Input : L≤1.0V, H≥4.0V, Input voltage : 0V~5.0V
21 TXO MIC signal output (AC coupled) before pre-
emphasis. Zo>2.2kΩ, 130±50mVp-p typ.
22 RXEO Audio signal output (DC coupled) after de-
emphasis. Zo>30kΩ, 1±0.3Vp-p typ.
23 RXEI Audio signal input (DC coupled) after de-
emphasis. Zin>15kΩ, 1±0.3Vp-p typ.
24 TXI MIC signal input (AC coupled) before pre-
emphasis. Zin>22kΩ, 500±50mVp-p typ.
25 OPT6 Option boad I/F 6.
Output : L≤0.45V, H≥4.7V/25kΩ load
26 8C Power input after power switch.
8.0V typ, 100mA max
CN427 (to TX-RX unit A/3 CN701)
1NC Non-connenction.
2SB Power output after power switch.
3SB Power output after power switch.
4SB Power output after power switch.
5SB Power output after power switch.
6SB Power output after power switch.
7SB Power output after power switch.
8AFO RX filtered audio output.
9DI Data signal input.
10 5C 5V.
11 GND Ground.
12 DEO Detected signal output.
13 MI2 External MIC input.
14 ME MIC ground.
15 GND Ground.
16 RXD1 Serial data input 1.
17 AUXO2 AUX output 2.
18 TXD1 Serial data output 1.
Pin No.
Name Description
19 AUXO1 AUX output 1.
20 AUXIO9 AUX input/output 9.
21 AUXIO5 AUX input/output 5.
22 AUXIO8 AUX input/output 8.
23 AUXIO4 AUX input/output 4.
24 TXD2 Serial data output 2.
25 AUXIO3 AUX input/output 3.
26 RXD2 Serial data input 2.
27 AUXIO2 AUX input/output 2.
28 AUXIO1 AUX input/output 1.
29 AUXIO7 AUX input/output 7.
30 AUXIO6 AUX input/output 6.
CN428
1SB Power output of switched power supply.
2 SPI Speaker output.
3SPO Speaker input.
4PA Control signal output of PA function.
5HOR Control signal output of Horn alert function.
6GND Ground.
CN429 (to Display unit CN902)
1(DM) Reserve.
2GND Ground.
3RXD Serial data signal input.
4TXD Serial data signal output.
5NC Non-connenction.
65C 5V output.
7
SHIFT/MODEL
Control signal output of beat-shift function.
8(CLK) Reserve.
9(LCDDO) Reserve.
10 (LCDDI) Reserve.
11 (LCDRST) Reserve.
12 RST2 Reset signal output.
13 PSENS Detection signal input of display unit.
14 GND Ground.
15 ME MIC ground.
16 MIC MIC signal input.
17 GND Ground.
18 GND Ground.
19 PSW Detection signal input of power switch.
20 NC Non-connenction.
TERMINAL FUNCTION