NX-720
94
Pin
No.
Pin
Name
I/O
Signal
Type
Description
Item and Condition
Min
Typ
Max
Unit
Note
4
DETO
O
Analog
FM detector output
Output Level
-
0.28
-
Vp-p
Coupling Capacitor
-
4.7
-
uF
Allowable Load
600
-
-
AFO
O
RX Audio output
Output Level
-
0.24
-
Vp-p
Coupling Capacitor
-
4.7
-
uF
Allowable Load
600
-
-
5
DATAI
I
Analog
External Modulation input
Input Voltage Range
-
0.5
1.
9
8
Vp-p
Standard devia-
tion
Input Impedance
-
100
-
k
MI2
I
External MIC AF Input
Input Voltage Range
-
5
-
mVrms
Allowable Frequency
300
-
3000
Hz
Input Impedance
-
600
-
6
FNC1/
TXD
I/O Digital
Programmable I/O
VIH
4.0
-
5.2
V
VIL
-0.5
-
1.0
V
VOH (Io=-1.5mA)
4.0
-
5.2
V
VOL (Io=1.5mA)
-
-
1.1
V
TXD
(RS-
232C)
O
Digital
RS-232C Serial port
(TXD)
Voltage Swing
±5
±
9
-
V
3k
Load
Baud Rate
1200
-
1
9
200
bps
CL
100
pF
7
FNC2/
RXD
I/O Digital
Programmable I/O
VIH
4.0
-
5.2
V
VIL
-0.5
-
1.0
V
VOH (Io=-1.5mA)
4.0
-
5.2
V
VOL (Io=1.5mA)
-
-
1.1
V
RXD
(RS-
232C)
I
Digital
RS-232C Serial port
(RXD)
Input Voltage Range
-30
-
30
V
Threshold Low
0.5
1.3
-
V
Threshold High
-
1.75
2.6
V
Baud Rate
1200
-
1
9
200
bps
8
FNC3
I/O Digital
Programmable I/O
VIH
4.0
-
5.2
V
VIL
-0.5
-
1.0
V
VOH (Io=-1.5mA)
4.0
-
5.2
V
VOL (Io=1.5mA)
-
-
1.1
V
RTS
(RS-
232C)
O
Digital
RS-232C Serial port
(RTS)
Voltage Swing
±5
±
9
-
V
3k
Load
9
FNC4
I/O Digital
Programmable I/O
VIH
4.0
-
5.2
V
VOH
-0.5
-
1.0
V
VOH (Io=-1.5mA)
4.0
-
5.2
V
VOL (Io=1.5mA)
-
-
1.1
V
CTS
(RS-
232C
I
Digital
RS-232C Serial port
(CTS)
Input Voltage Range
-30
-
30
V
Threshold Low
0.5
1.3
-
V
Threshold High
-
1.75
2.6
V
10
FNC5
I/O Digital
Programmable I/O
VIH
4.0
-
5.2
V
VOH
-0.5
-
1.0
V
VOH (Io=-1.5mA)
4.0
-
5.2
V
VOL (Io=1.5mA)
-
-
1.1
V
TERMINAL FUNCTION
Summary of Contents for NEXEDGE NX-720
Page 122: ...NX 720 ...
