Kenwood TK-8180H Service Manual page 27

TK-8180H/8182H
Microprocessor : 30302M88Z7GU (Display unit IC902) : TK-8180H only
Pin No. Port Name I/O
1~4 NC
5 SHIFT
6 BYTE
7 CNVSS
8,9 NC
10 RST
11 Xout
12 GND
13 Xin
14 VCC
15 NMI
16 BLC2
17 BLC1
18 DIMM
19 LEDG
20 LEDR
21 NC
22 LCDCK
23 LCDDT
24 LCDCS
25 LCDRST
26 NC
27 RXD2
28 TXD2
29 PTT/TXD
30 NC
31 DM
32,33 NC
34 HK/RXD
35~59 NC
60 VCC
61 NC
62 VSS
63~70 NC
71~82 S22~S11
83 S10
84 S9
26
SEMICONDUCTOR DATA
Function
- No connection
O Beat shift
- +5V
- GND
- No connection
I Reset
O 14.7456MHz clock output
- GND
I 14.7456MHz clock input
- +5V
- +5V
O MIC backlight control
O Key & LCD backlight control
O Dimmer control
O LED green
O LED red
- No connection
O LCD serial clock
O LCD serial data
O LCD chip select
O LCD reset
- No connection
RXD2 (Main µ-com)
I
TXD2 (Main µ-com)
O
I/O PTT/TXD (COM0)
- No connection
O MIC DM
- No connection
I HOOK/RXD (COM0)
- No connection
- +5V
- No connection
- GND
- No connection
I No connection
I Front panel key (R down [ ])
I Front panel key (R up [ ])
Pin No. Port Name I/O
85 S8 I
86 S7 I
87 S6 I
88 S5 I
89 S4 I
90 S3 I
91 S2 I
92 S1 I
93 NC -
94 AVSS -
95 NC -
96 VREF -
97 AVCC -
98~100 NC -
Shift Register : BU4094BCFV (TX-RX unit IC403)
Pin No. Port Name I/O
1 STRB I
2 DATA I
3 CLK I
4 Q1 O
5 Q2 O
6 Q3 O
7 Q4 O
8 Vss -
9 Qs O
10 Q's O
11 Q8 O
12 Q7 O
13 Q6 O
14 Q5 O
15 OE I
16 VDD -
Function
Front panel key (■ )
Front panel key (C)
Front panel key (B)
Front panel key (A)
Front panel key (S)
Front panel key ( )
Front panel key (L down [ ])
Front panel key (L up [ ])
No connection
GND
No connection
+5V
+5V
No connection
Function
Storage enable input
Serial data input
Serial clock input
AUX output 1
Public address
Horn alert
Scrambler switch
Ceramic filter switch
No connection
AUX output 2
Gate switch
Output enable