Semiconductor Data - Kenwood TK-3170 Service Manual

TK-3170/3173
Microprocesser : 30625MGP234HU (TX-RX unit IC7)
Pin No. Port Name
1 VREF
1 KEY2
2 KEY3
3 PC
4 HSDO
5 KEY4
6 EEPCL
7 HSDIN
8 MDSW
9 DACDAT
10 BYTE
11 CNVSS
12 EEPDAT
13 AM2
14 RESET
15 XOUT
16 DGND
17 XIN
18 VCC
19 NMI
20 EN2
21 INT
22 PTT
23 SHIFT
24 BEEP
25 SFTOE
26 DACLD
27 LEDR
28 LEDG
29 OPTDET
30 LSDOUT
31 SIDE1
32 SIDE2
33 TXD
34 VCC1
35 RXD
36 DGND
37 DACCLK
38 AUX
28

SEMICONDUCTOR DATA

I/O Function
- +5V
I Key matrix 2 input
I Key matrix 3 input
O TX APC adjust
O High speed data output
I Key matrix 4 input
O EEPROM clock
I High speed data input
I Man down switch input
O DAC data
- 5V
- 5V
O EEPROM data
O Audio mute 2
I BATT reset
O 11.0592MHz clock output
- DGND (Vss)
I 11.0592MHz clock input
- 5V
- 5V
I Selector input 2
I BATT voltage INT
I PTT
O Beat shift
O Beep output
O BU4094BCFV output enable
O M62364FP LD
O LED red
O LED green
I Option DET
O Low speed data output
I Side 1 key
I Side 2 key
I/O TXD (COM0)
- 5V (Vcc1)
I RXD (COM0)
- DGND (Vss)
O DAC CLK
I AUX KEY
Pin No. Port Name I/O
39 TXD2 O
40 RXD2/AINH I
41 AFDAT O
42 AFDIO I/O
43 AFDIR O
44 DTRLOAD O
45 AFSTD I
46 SCLK O
47 RDY -
48 ALE -
49 HOLD -
50 HLDA -
51 EN4 I
52 EN3 I
53 5TC O
54 EN1 I
55 BCLK O
56 RD O
57 BHE O
58 WR O
59 APCSW O
60 DSW O
61 LCDINH O
62 LCDDAT O
63 LCDCLK O
64 SIM/LCDCE O
65 CS0 O
66 A19 -
67~76 A18~A9 O
77 UL I
78 PLE O
79 PCK O
80 SFTSTB -
81 SELF I/O
82 VCC2 -
83 A8 O
84 DGND -
85~92 A7~A0 O
93 PLLDAT O
Function
TXD2 (COM1)
RXD2 (COM1)
BB TDATA and DTRCLK
BB DI/O
BB DIR
BB DTMF enable
BB STD
BB SCLK
5V
NC
5V
NC
Selector input 4
Selector input 3
5T control
Selector input 1
NC
Read (RD)
NC
Write (WR)
APC SW
APC voltage discharge SW
LCD INH
LCD DATA
LCD CLK
LCD chip select
Chip select 0
NC
Address bus 18~9
PLL unlock
PLL enable
PLL clock
SFTSTB
Self progamming
5V
Address bus 8
DGND (Vss)
Address bus 7~0
PLL data