Kenwood TK-7180H Service Manual page 26

Microprocessor : 30625MGP238GU (TX-RX unit IC404) : TK-7182H
Pin No. Port Name I/O
1 VREF
2 AVCC
3 SBC O
4 RXC O
5 TXC O
6 PC O
7 HSDO O
8 STSW O
9 EEPCL O
10 HSDIN
11 DM
12 EEPDAT I/O
13 BYTE
14 CNVSS
15 DMUTE O
16 AM2 O
17 RST
18 Xout O
19 DGND
20 Xin
21 VCC1
22 NMI
23 PSW
24 INT
25 INTRA
26 SHIFT/MODEL I/O
27 BEEP O
28 SPSTB O
29 SOE O
30 AIO5 I/O
31 AIO9 I/O
32 DSTB O
33 LSDO O
34 RXD2
35 TXD2 O
36 TXD1 O
37 Vcc1
38 RXD1
39 DGND
40 MM1 O
41 PTT
42 TXD O
43 RXD/HOOK
44 AFDAT O
45 AFDIO I/O
46 AFDIR O
47 DTRLOAD O
48 AFSTD
SEMICONDUCTOR DATA
Function
- +5V
- +5V
Switched B control
RX control
TX control
TX APC adjust
High speed data output
Side tone switch
EEPROM clock
I High speed data input
I DTMF MIC key scan
EEPROM data
- +5V
- DGND (Vss)
Det mute
Audio mute 2
I Reset
11.0592MHz clock output
- DGND (Vss)
I 11.0592MHz clock input
- +5V
- +5V
I Power switch input
I BATT voltage INT
- +5V
Beat shift/Model select
Beep output
Shift register strobe
Shift register output enable
AUX I/O 5
AUX I/O 9
D/A converter LD
Low speed data output
I RXD2
TXD2
TXD1/PTT (Scrambler board)
- +5V
I RXD1
- DGND (Vss)
MIC mute 1
I PTT input
TXD
I RXD/HOOK
BB TDATA and DTRCLK
BB DI/O
BB DIR
BB DTMF enable
I BB STD
TK-7180H/7182H
Pin No. Port Name I/O
49 LSW O
50 RDY -
51 NC -
52 HOLD -
53 NC -
54~57 AIO4~AIO1 I/O
58 NC -
59 RD O
60 NC -
61 WR O
62~64 AIO8~AIO6 I/O
65 LCDDO O
66 LCDCLK I
67 LCDCS I
68 CS0 O
69 NC -
70~79 A18~A9 O
80 UL I
81 PLE O
82 PCK O
83 NC -
84 OPT6 I/O
85 VCC2 -
86 A8 O
87 DGND -
88~95 A7~A0 O
96 IGN I
97 AFRTM I
98 TCLK/DTRDO I
99 MM2 O
100 T/R O
101 AM1 O
102 EMTON O
103 LCDDI I
104~111 D7~D0 I/O
112 DT O
113 CK O
114 W/N O
115~117 OPT 1~OPT 3 I/O
118,119 OPT 4, OPT 5 O
120 H/L O
121 THP I
122,123 NC -
124 ASQ I
125 RSSI I
126 NC -
127 AGND -
128 LSDIN I
Function
BB LIM switch
+5V
No connection
+5V
No connection
AUX I/O 4~1
No connection
Read (RD)
No connection
Write (WR)
AUX I/O 8~6
LCD serial data output
LCD serial clock
LCD chip select
Chip select 0
No connection
Address bus 18~9
PLL unlock
PLL enable
PLL clock
No connection
Option board I/F 6
+5V
Address bus 8
DGND (Vss)
Address bus 7~0
Ignition sense
BB RDF/FD
BB TCLK and DTRDO
MIC mute 2
TX/RX switch
Audio mute 1
EM tone switch
LCD serial data input
Data bus 7~0
Serial data
Serial clock
Wide/Narrow switch
Option board I/F 1~3
Option board I/F 4, 5
High/Low power switch
TX thermal input
No connection
RX analog squelch input
RX RSSI input
No connection
AGND (Vss)
Low speed data input
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