TK-7180
21
Pin No. Port Name I/O Function
1~4 NC - Non-connection
5SHIFT O Beat shift
6BYTE-+5V
7CNVSS - GND
8,9 NC - Non-connection
10 RST I Reset
11 Xout O 14.7456MHz clock output
12 GND - GND
13 Xin I 14.7456MHz clock input
14 VCC - +5V
15 NMI - +5V
16 BLC2 O MIC backlight control
17 BLC1 O Key & LCD backlight control
18 DIMM O Dimmer control
19 LEDG O LED green
20 LEDR O LED red
21 NC - Non-connection
22 LCDCK O LCD serial clock
23 LCDDT O LCD serial data
24 LCDCS O LCD chip select
25 LCDRST O LCD reset
26 NC - Non-connection
27 RXD2 I RXD2 (Main µ-com)
28 TXD2 O TXD2 (Main µ-com)
29 PTT/TXD I/O PTT/TXD (COM0)
30 NC - Non-connection
31 DM O MIC DM
32,33 NC - Non-connection
34 HK/RXD I HOOK/RXD (COM0)
35~44 NC - Non-connection
45 TP1 I LCD check
46~59 NC - Non-connection
60 VCC - +5V
61 NC - Non-connection
62 VSS - GND
63~70 NC - Non-connection
71~82 S22~S11 I Non-connection
Pin No. Port Name I/O Function
83 S10 I Front panel key (R down [ ])
84 S9 I Front panel key (R up [ ])
85 S8 I Front panel key (■)
86 S7 I Front panel key (C)
87 S6 I Front panel key (B)
88 S5 I Front panel key (A)
89 S4 I Front panel key (S)
90 S3 I Front panel key ( )
91 S2 I Front panel key (L down [ ])
92 S1 I Front panel key (L up [ ])
93 NC - Non-connection
94 AVSS - GND
95 NC - Non-connection
96 VREF - +5V
97 AVCC - +5V
98~100 NC - Non-connection
Shift Register : BU4094BCFV (TX-RX unit IC403)
Pin No. Port Name I/O Function
1STRB I Storage enable input
2DATA I Serial data input
3CLK I Serial clock input
4Q1OAUX output 1
5Q2OPublic address
6Q3OHorn alert
7Q4OScrambler switch
8Vss -
9Qs O
10 Q’s O
11 Q8 O Ceramic filter switch
12 Q7 O Non-connection
13 Q6 O AUX output 2
14 Q5 O Gate switch
15 OE I Output enable
16 VDD -