
EMB-9670/9673 Series
44 EMB-9670/9673 Series User’s Manual
2.3.18 Signal
Description
– Serial Port 3 / 4 / 5 / 6 with External DB9 Connector
(JCOM36)
Signal
Signal Description
TxD
Serial output. This signal sends serial data to the communication link. The signal is
set to a marking state on hardware reset when the transmitter is empty or when
loop mode operation is initiated.
RxD
Serial input. This signal receives serial data from the communication link.
DTR
Data Terminal Ready. This signal indicates to the modem or data set that the
on-board UART is ready to establish a communication link.
DSR
Data Set Ready. This signal indicates that the modem or data set is ready to
establish a communication link.
RTS
Request To Send. This signal indicates to the modem or data set that the on-board
UART is ready to exchange data.
CTS
Clear To Send. This signal indicates that the modem or data set is ready to
exchange data.
DCD
Data Carrier Detect. This signal indicates that the modem or data set has detected
the data carrier.
RI
Ring Indicator. This signal indicates that the modem has received a telephone
ringing signal.
2.3.19
DI/O Connector (JDIO)
Signal
PIN
PIN
Signal
DO_1
1
2
DI_1
DO_2 3
4 DI_2
DO_3
5
6
DI_3
DO_4
7 8 DI_4
DO_5
9
10
DI_5
DO_6
11
12 DI_6
DO_7
13
14
DI_7
DO_8
15
16 DI_8
SMB_CLK
17
18 SMB_DATA
GND 19
20 +5V
2.3.20 Signal
Description
– DI/O (JDIO
)
Signal
Signal Description
DI [7:0]
Digital Input Data Bit 7 to Bit 0
D0 [7:0]
Digital Output Data Bit 7 to Bit 0
SMB_CLK
Data input for I
2
C input, 5V tolerant
SMB_DATA
Data input for I
2
C serial input, 5V tolerant
Содержание EMB-9670 series
Страница 25: ...User s Manual EMB 9670 9673 Series User s Manual 25 2 Hardware Configuration...
Страница 51: ...User s Manual EMB 9670 9673 Series User s Manual 51 3 BIOS Setup...
Страница 87: ...User s Manual EMB 9670 9673 Series User s Manual 87 5 Measurement Drawing...
Страница 88: ...EMB 9670 9673 Series 88 EMB 9670 9673 Series User s Manual...
Страница 90: ...EMB 9670 9673 Series 90 EMB 9670 9673 Series User s Manual Appendix B AWARD BIOS POST Messages...