Alinco DJ-X3, Service Manual, Page: 8 / 35

8
3) Terminal function of CPU
No. Terminal Signal I/O Description
1 AN7 BAT AD Battery input
2 P66 S/M O Stereo / Monophonic
3 P65 RESW I R/E push key
4 AN4 SQL AD Squelch input
5 AN3 SMT AD S-meter input
6 P62 AFPC O AF power supply
7 P61 BND3 O Band3 SW
8 P60 BND6 O Band6 SW
9 P57 BND2 O Band2 SW
10 P56 BND4 O Band4 SW
11 P55 BND5 O Band5 SW
12 P54 BND1 O Band1 SW
13 P53 ABAR O Antenna SW
14 P52 SBAR O Antenna SW
15 INT3 RE2 I Rotary encoder input
16 P50 RE1 I Rotary encoder input
17 P47 RC O RX SW
18 P46 ASW O Antenna SW
19 TXD CTX O Clone TX
20 RXD CRX I Clone RX
21 P43/INT1 PSW I Power key
22 INT0 BU I Backup interrupt
23 P41 BEEP O Beep output
24 P40 JKDT I Jack state input
25 RESET RST I Reset interrupt
26 P71 SCK O EEPROM clock
27 P70 SDA I/O EEPROM data
28 XIN XIN I Clock input
29 XOUT XOUT O Clock output
30 VSS VSS GND
31 P27 SW2 I Key input
32 P26 SW3 I Key input
33 P25 SW4 I Key input
34 P24 SW301 I Key input
35 P23 SW302 I Key input
36 P22
CLNSW
O Clone SW
37 P21 STB2 O DAC strobe
38 P20 DATA I/O Data / Unlock
39 SEG22 SEG22
40 SEG21 SEG21
No Terminal Signal I/O Description
41 SEG20 SEG20
42 SEG19 SEG19
43 SEG18 SEG18
44 P12 DBC O Doubler SW
45 P11 C3C O Common power SW
46 P10 SCT O Secret signal output
47 P07 AFS O AF SW
48 P06 CLK O Clock
49 P05 STB1 O PLL strobe
50 P04 PLLC O PLL power supply
51 P03 P1C O PLL 1ch SW
52 P02 P2C O PLL 2ch SW
53 SEG17 SEG17
54 SEG16 SEG16
55 SEG15 SEG15
56 SEG14 SEG14
57 SEG13 SEG13
58 SEG12 SEG12
59 SEG11 SEG11
60 SEG10 SEG10
61 SEG9 SEG9
62 SEG8 SEG8
63 SEG7 SEG7
64 SEG6 SEG6
65 SEG5 SEG5
66 SEG4 SEG4
67 SEG3 SEG3
68 SEG2 SEG2
69 SEG1 SEG1
70 SEG0 SEG0
71 VCC VDD
72 VREF VDD
73 AVSS GND
74 COM3 COM3
75 COM2 COM2
76 COM1 COM1
77 COM0 COM0
78 VL3 VL3
79 VL2 VL2
80 VL1 VL1