Kenwood NEXEDGE NX-900, Руководство по обслуживанию, Страница: 74 / 115

NX-900
74
Pin No. Pin Name I/O A/D
Rating and Condition
Parameter Min Typ Max Unit
3
TXD1
Serial data output 1.
RS-232C level.
O Digital
Voltage Swing (3k
Ω
Load) ±5 ±9 V
Baud Rate 11520 bps
CL 100 pF
4
AUXIO9
AUX input/output 9.
I/O Digital
VIH 4 - 5.2 V
VIL –0.5 - 1 V
VOH (Io=–1.5mA) 4 - 5.2 V
VOL (Io=1.5mA) - - 1.1 V
5
DI
Data signal input.
I Analog
Input Voltage range (STD Deviation) - 0.5 - Vp-p
Freq Response (STD Dev.) 20~9600Hz –3 3 dB
6
MI2
External MIC input.
I Analog
Audio Level (STD Deviation) - 5 - mVrms
Allowable Freq 300 3000 Hz
Input Impedance - 600 - Ω
7 GND (Ground) - GND
8
AUXIO8
AUX input/output 8.
I/O Digital
VIH 4 - 5.2 V
VIL –0.5 - 1 V
VOH (Io=–1.5mA) 4 - 5.2 V
VOL (Io=1.5mA) - - 1.1 V
9
TXD2
Serial data output 2.
TTL level.
O Digital
VOH (Io=–1.5mA) 3.7 - 5.2 V
VOL (Io=1.5mA) - - 1.1 V
CL 100 pF
10
RXD2
Serial data input 2.
TTL level.
I Digital
VIH 2.8 - 5.2 V
VIL - - 0.65 V
CL 100 pF
11 GND (Ground) - GND
12
AUXIO7/
BER_DATA
AUX input/output 7.
BER data input.
I/O Digital
VIH 4 - 5.2 V
VIL –0.5 - 1 V
VOH (Io=–1.5mA) 3.7 - 5.2 V
VOL (Io=1.5mA) - - 1.1 V
13
AUXIO6/
BER_CLK
AUX input/output 6.
BER CLK input.
I/O Digital
VIH 4 - 5.2 V
VIL –0.5 - 1 V
VOH (Io=–1.5mA) 3.7 - 5.2 V
VOL (Io=1.5mA) - - 1.1 V
14
SB
Power output after
power switch.
- Power
Voltage This parameter depends on Battery Voltage
Supply Current - - 2 A
15
AUXO2
AUX output 2.
O Digital
The type of this port is open collector.
VOL 0.4 V
IOL –500 mA
16
AUXO1
AUX output 1.
O Digital
The type of this port is open collector.
VOL 0.4 V
IOL –500 mA
17
AFO
RX fi ltered audio
output.
O Analog
Output Level 0.7 Vp-p
Coupling Capacitor 0.1 µF
allowable Load 100 - - k
Ω
allowable freq 300 3000 Hz
TERMINAL FUNCTION