Terminal Function Of Cpu - Alinco DJ-X3 Service Manual

3) Terminal function of CPU

No. Terminal Signal
1 AN7 BAT
2 P66 S/M
3 P65 RESW
4 AN4 SQL
5 AN3 SMT
6 P62 AFPC
7 P61 BND3
8 P60 BND6
9 P57 BND2
10 P56 BND4
11 P55 BND5
12 P54 BND1
13 P53 ABAR
14 P52 SBAR
15 INT3 RE2
16 P50 RE1
17 P47 RC
18 P46 ASW
19 TXD CTX
20 RXD CRX
21 P43/INT1 PSW
22 INT0 BU
23 P41 BEEP
24 P40 JKDT
25 RESET RST
26 P71 SCK
27 P70 SDA
28 XIN XIN
29 XOUT XOUT
30 VSS VSS
31 P27 SW2
32 P26 SW3
33 P25 SW4
34 P24 SW301
35 P23 SW302
36 P22
CLNSW
37 P21 STB2
38 P20 DATA
39 SEG22 SEG22
40 SEG21 SEG21
8
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I/O Description
AD Battery input
O Stereo / Monophonic
I R/E push key
AD Squelch input
AD S-meter input
O AF power supply
O Band3 SW
O Band6 SW
O Band2 SW
O Band4 SW
O Band5 SW
O Band1 SW
O Antenna SW
O Antenna SW
I Rotary encoder input
I Rotary encoder input
O RX SW
O Antenna SW
O Clone TX
I Clone RX
I Power key
I Backup interrupt
O Beep output
I Jack state input
I Reset interrupt
O EEPROM clock
I/O EEPROM data
I Clock input
O Clock output
GND
I Key input
I Key input
I Key input
I Key input
I Key input
O Clone SW
O DAC strobe
I/O Data / Unlock
No Terminal Signal I/O
41 SEG20 SEG20
42 SEG19 SEG19
43 SEG18 SEG18
44 P12 DBC O
45 P11 C3C O
46 P10 SCT O
47 P07 AFS O
48 P06 CLK O
49 P05 STB1 O
50 P04 PLLC O
51 P03 P1C O
52 P02 P2C O
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
Description
Doubler SW
Common power SW
Secret signal output
AF SW
Clock
PLL strobe
PLL power supply
PLL 1ch SW
PLL 2ch SW