Alinco DR-150T, Руководство по обслуживанию, Страница: 5 / 45

4) Terminal Function of Microprocessor
No.
Name
Pin Name
I/O Logic | Description
01 AVcc
AVCC
-
A/D Power supply
02 ANQ BP1
I
A/D
Band planl (USA, General, EU A, EU B)
03 AN1
BP2 I A/D Band plan 2 (RX, TX expansion)
04 AN2
SMT I
A/D
S meter voltage input
05
AN2 XWR I
-
Command request, IF frequency switch
06 AVss AVss
-
A/D GND
07 TEST
-
Connected to Vcc
08 OSC1 OSC1 -
4MHz OSC1
09 OSC2
OSC2 O
-
4MHz OSC2
10 RESET RESET I Active High CPU Reset
11 X1 I
-
Connected to Vcc
12 X2 o
-
Open
13 GND GND
-
CPU GND
14 DO SDA I/O PULSE EEPROM data (built-in, option ROM)
15 D1 SCL1 o PULSE EEPROM clockl
16
D2
SCL2
o
PULSE
EEPROM clock2 (option board)
17 D3 RMS I Active Low Microphone remote control input
18
D4 UP
I
Active Low Microphone up input
19 D5 DN I
Active Low Microphone down input
20 D6 LMP 0 Active High Dimmer
21 D7 UNLK
I
Active High PLL unlock signal input
22 D8 STB2
o
Active High
CTCSS strobe
23 D9
TDO
I
Active Low CTCSS tone detection input
24 DIO/STOPC
TID
I
Active Low CTCSS unit detection Input
25
D11/INT0 BUP
I
Active Low Back up signal detection Input
26 R00/INT1 SQD I
Active Low Squelch Input
27 R01/INT2
ENC1
I
Active Low Rotary encoder up input
28 R02/INT3 ENC2 I
Active Low Rotary encoder down input
29 R03/INT4 DV I
Active High DTMF signal detection input
30
RIO/TOB
BEEP o PULSE Beep tone output
31 R11/TOC TB 0
PULSE Tone burst (1750Hz) output (TX)
RX BUSY
o Active High Busy: Low out put (RX)
32 R12/TOD TXLMP 0
Active High
TX: High
33 R13/EVNB
MSW 0 Active High Microphone mute output