Alinco DJ-191, Service Manual, Page: 7 / 47

No. Pin Name Signal I/O I Logic
Description
1
C1 C1
- - -
2 VL1 VL1
1
A/D LCD power supply
3
P 67 /A N 7 S M T
1
A/D S -m e te r input
4 P 66 /A N 6 S Q L
1
A/D Noise level input for squelch
5
P 65 /A N 5 BAT
1
A/D Low battery detection input
6
P 64 /A N 4
BP5
1
A/D Band plan 5
7
P63/CLK22/AN3 BP4
1
- Band plan 4
8
P62/CLK21/AN2 UL
1
Active high PLL unlock signal input
9
P61/SOUT2/AN1 B P 1,2
1
A /D Band plans 1 and 2
10 P 6 0 /S IN 2 /A N 0 M O NI 1 Active low Monitor key input
11
P 5 7 /A D T /D A 2
C T O U T 0 D/A C T C S S tone output
12 P56/AD1 D T O U T 0 D/A D T M F output
13 P 55/C N T R 1 T S Q D i Active iow C T C S S tone detection input/Trunking board detection
14 P 5 4 /C N T R 0 BEP 0 Pulse Beep tone output/Band plan 3
15 P 53/R TP 1 S T B 2 I/O Active low/pulse CTCSS unit detection/Strobe signal to CTCSS unit/Strobe signal to trunking board/Audio line control
16 P 5 2 /R T P 0 M U T E I/O
Active high M icrophone m ute/Bank change input while trunking
17 P 51/P W M 1 CLK 0 Pulse Serial clock output for PLL, C T C S S , and trunking board
18
P 5 0 /P W M 0 DATA 0 Pulse Serial data output for PLL, C T C S S , and trunking board
19
P 47/S R D Y 1 ACK I/O Pulse Clock output for D T M F shift out/Band plan 6
20 P46/SCLK1 STB1 0 Pulse Strobe for PLL IC
21 P 45/TX D 1 U T X 0 Pulse U A R T data transmission output
22
P 44/R X D 1 U R X 1
Pulse U A R T data reception input
23 P 4 3 W T O U T T B S T 0 Pulse Tone burst (1 7 5 0 H z ) output (European version)
24 P 4 2 /IN T 2 R E 2 1 Active low
Rotary encoder input
25
P41/IN T1 RE1 1 Active low
26 P 40 P T T
1 Active high
P T T input
27 P 77 D S W 0 Active low D T M F IC O N /O F F
n o
¿O r / o
OTPv
O I u
1 (A
l/w Active high DTMF signal detection input during reception/ueviation adjustment during transmission
29
P 75 DSD
1
Pulse Decoded DTMF serial data input during reception/Deviation adjustment during transmission
30 P 74 T 3C 0 Active low T X power O N /O F F output
31
P 73 P 3C 0 Active low P LL power O N /O F F output
32 P 72 A FP 0 Active low A FA M P pow er O N /O F F output
33 P71 R 3C 0 Active low RX power O N /O F F output
34 P 7 0 /IN T O BU 1 Active low Backup signal detection input
35 R E S E T R S T 1 Active low Reset input
36
X C IN X C IN
- - -
37 X C O U N T X C O U T
- - -
38
X IN XIN
-
- Main clock input
39
X O U T X O U T
- -
Main clock output
40 V S S G N D
- -
C P U ground
41 P 27 P S W
1
Active low Pow er switch input
42 P 26 S C L 0 Pulse Serial clock for E E P R O M
A
O
D O C
i e— j
POP
r \
u;~u
1 IILjJ I C 3 pow er O N /O F F output
44 P 24 S D A 0 Pulse Serial data for E E P R O M
45 P 23 LMP 0 Active high Lamp O N /O F F
46
P 22
T /K E Y
1
Active low Ton e burst/LPTT input
47
P21
KOO I/O - Key matrix output/Band plan BP7 input
48 P 20
K01 0 -
49 P17 K02 0
- Key matrix output
5 0 P 16
K03
0 -