Kenwood TK-690B, Руководство по обслуживанию

Страница: 31 / 81

31
TK-690H ( B )
SEMICONDUCTOR DATA
Pin No. Pin name I/O Action
1 FCLR O Modem FCLR
2 CK O Common CLOCK
3 EM O D/A converter CS
4 MSKE O Modem MSKE
5 DIN O Modem DIN
6 EP O PLL LE
7 SCL O DTMF encoder CLOCK
8 SDT O DTMF encoder DATA
9 VDD +5V
10,11 X2, X1 X’tal
12 VSS GND
13 XT2 Open
14 XT1 GND
15 RESET CPU reset
16 TEST I Serial interface TEST
17 TRD I Modem TRD
18 RTM I Modem RTM
19 STD I DTMF decoder STD
20 EC2 O Shift register 2 (Control) CS
21 DT O Common DATA
22 ACK O DTMF decoder CLOCK
23 AVDD +5V
24 AVREF0 +5V
25 TI I QT/DQT IN
26 RSI I RSSI IN
27 ASQ I Analog squelch IN
28 UL I PLL UNLOCK
29 SD I DTMF decoder SD
30 RDT I Modem RDT
31 RSV2 I Reserved
32 IGN I Ignition IN
33 AVSS GND
34 TO O QT/DQT OUT
35 CP O PLL CLOCK
36 AVREF1 +5V
37 RXD2 I Acc RXD
38 TXD2 O Acc TXD
39 ES O Shift register (TX/RX) CS
Microprocessor : 784214GCXXX8EU (Control Unit IC516)
• Terminal function
Pin No. Pin name I/O Action
40 RXD1 I Serial interface RXD
41 TXD1 O Serial interface TXD
42 STB O Modem STB
43 EC1 O Shift registerl (Control) CS
44 EI O Shift register (Interface) CS
45 SEL I/O GE-STAR I/O
46 EPT I GE-STAR EPT
47 EMG O GE-STAR EMG
48~71 Flash ROM access port
72 VSS GND
73~74 Flash ROM access port
75 Flash ROM (4Mbit) access port
76 Not used.
77~78 Flash ROM access port
79 POF O Timed Power OFF.
80 Not used.
81 VDD +5V
82 EN2 O D/A converter (Interface) CS
83 CLK O EEPROM CLOCK
84 SDA I/O EEPROM DATA
85 RSV1 O Reserved
86 AI1 I Acc PF Input 1
87 AI2 I Acc PF Input 2
88 AI4 I Acc PF Input 4
89 AI3 I Acc PF Input 3
90 AI5 I Acc PF Input 5
91 2TN I 2tone pulse IN
92 KEY O TX power SW
93 SQ O Acc SQ OUT
L : BUSY, H : Not BUSY
94 TEST GND
95 AO1 O Acc PF Output 1
96 AO2 O Acc PF Output 2
97 AO3 O Acc PF Output 3
98 AO4 O Acc PF Output 4
99 1/2 I Deck 1/2
L : Deck 1, H : Deck 2
100 SFT O Beat shift