Alinco DR-610E, Service Manual

Page: 17 / 89

9 ) M a i n C P U I / O P o r t ( I C 6 0 1 )
No. Pin Name Function I/O Logic D escription
1 RES
RES
I - -
2 XTAL OSC1 I
-
CPU clock 9.8304MHz
3 EXATL OSC2 O
-
CPU clock 9.8304MHz
4 MD1
-
I Active High
Single chip mode
5 MD2
-
I
Active High Single chip mode
c
u NMi
-
i
- -
7
STBY
-
I
- -
8 VCC VCC
- - -
n
J7
nco /cp i/n
r >jiiyov-/r\u S5v O Active Low 5v power switch output
10
P51/RXD0 RXD I
-
Serial communication receiving data
11 P50/TXD0
TXD
o
-
Serial communication transmitting data
12 VSS
- - - -
13 P97/WAIT
SCL1
o Pulse
E2PROM clock
14 P96/
- - - -
15 P95/AS
SDA
I/O Pulse E2PROM data
16 P94/WR STBE
o
-
Electronic volume strobe
17 P93/RD
DATE
o
-
Electronic volume data
18 P92/IRQ0
-
I
-
Power ON interrupt
19 P91/IRQ1 CKE
o
-
Electronic volume/CTCSS clock
20 P90/ADTRG/IRQ2 DATV
o
-
VHF side data (PLL, 4094)
21
P60/FTCI STPU
o
Active High UHF side PLL strobe
22 P61/FTOA STBU
o
Active High UHF side 4094 strobe
23 P62/FTIA CKU
o
-
UHF side clock (PLL, 4094)
24 P63/FTIB DATU n
-
I II— IET eiHii /Dl 1 ylHQ/IV
II JIUU UUIU L-l_,
25 P64/FTIC STPV
o
Active High VHF side PLL strobe
26 P65/FTID STBV
o
Active High VHF side 4094 strobe
27
P66/FTOB/IRQ6 1750
n
Pulse 1750Hz Tone burst signal output
28 P67/IRQ7
CKV
o
-
VHF side clock (PLL, 4094)
29 AVCC
- - - -
30
P70/AN0 SDU
A/D
-
UHF side squelch signal
31 P71/AN1 SMU A/D
-
UHF side S meter signal
32 P72/AN2 ULU A/D
-
UHF side PLL unlock signal
33 P73/AN3
SDV A/D
-
VHF side squelch signal
34 P74/AN4 SMV A/D
-
VHF side S meter signal
35 P75/AN5
ULV A/D
-
VHF side PLL unlock signal
36 P76/AN6/DA0 PTTS A/D
-
PTT input terminal for the packet
37 P77/AN7/DA1
- - - -
38 AVSS
- - - -
39 P40/TMCI0 DTMV O Active High
DSQ VHF side DEC signal (4066 control A)
40 P41/TMOO
BEP1
o
Pulse 1 side beep sound output
41 P42/TMRI0 DTMU
o
Active High DSQ UHF side DEC signal (4066 control B)
42 P43/TMC11 BMUV
o
Active High VHF side DTMF ENC monitor mute signal
43 P44/TM01 BEP2
o
Pulse
2 side beep sound output
44 P45/TMRI1 BMUU
o
Active High UHF side DTMF ENC monitor mute signal
45 P46/PW0 SQVD
o
Active High VHF side squelch signal output
46 P47/PW1 SQUD
o
Active High
UHF side squelch signal output
47 VCC
- -
-
-
48 P27/A15
XMUT
o
Active Low
Mute signal for cross band repeater
49 P26/A14 MUTU
o
Active High
UHF side AF mute signal (4066 control C)
50
P25/A13
MUTV 0 Active High VHF side AF mute signal (4066 control C)
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