Kenwood NX-900 Service Manual page 68

NX-900
Pin No. Name
4 AUXIO9
5 DI
6 MI2
7 GND
8 AUXIO8
9 TXD2
10 RXD2
Refer to "D-sub 25-pin connector specifi ca-
11 GND
tion" described on pages 73 to 75.
12 AUXIO7
13 AUXIO6
14 SB
15 AUXO2
16 AUXO1
17 AFO
18 GND
Solder Pad Interface Description
Pin Name I/O
OPT1 I/O Digital/CMOS Out/CMOS In with Interrupt
OPT3 I/O Digital/CMOS Out/CMOS In with Interrupt
26P_RD I Digital/CMOS In with Interruput
26P_TD O Digital/CMOS Out
OPT4 I/O Digital/CMOS Out/CMOS In
OPT10
O Digital/Analog
(USEL)
68
TERMINAL FUNCTION
Function
Signal Type
VIH
VIL
VOH (Io=–2mA)
VOL (Io=2mA)
VIH
VIL
VOH (Io=–2mA)
VOL (Io=2mA)
VIH
VIL
Baud Rate
VOH (Io=–2mA)
VOL (Io=2mA)
Baud Rate
VIH
VIL
VOH (Io=–2mA)
VOL (Io=2mA)
Output Amplitude
Coupling Capacitor
Allowable Load
Pull Down Registor
Pin No. Name
19 DEO
20 AUXIO5
21 AUXIO4
Refer to "D-sub 25-pin connector specifi ca-
22 AUXIO3
tion" described on pages 73 to 75.
23 AUXIO2
24 AUXIO1
25 ME
Solder Land
Name
to GPS receiver
DGND Ground
RXD2 Data input
5V_2 5V power supply
Rating and Condition
Parameter Min
2.7
–0.3
2.8
-
2.7
–0.3
2.8
-
2.7
–0.3
-
2.8
-
-
2.7
–0.3
2.8
-
-
100
-
Function
Description
Typ Max Unit
- 3.5 V
- 0.7 V
- 3.4 V
- 0.7 V
- 3.5 V
- 0.7 V
- 3.4 V
- 0.7 V
- 3.5 V
- 0.7 V
- 19200 bps
- 3.4 V
- 0.7 V
- 19200 bps
- 3.5 V
- 0.7 V
- 3.4 V
- 0.7 V
0.28 - Vp-p
0.1 µF
- - kΩ
470 - kΩ