5. Each Component Function
BX710 series User’s Manual
97
Serial Port Interface : SERIAL A, SERIAL B
SERIAL1, 2, 3 (RS-232C Ports)
The product has five channels of RS-232C compliant serial ports supporting up to a baud rate of
115,200bps with a 16-byte transmission-dedicated data buffer and a 16-byte reception-dedicated data
buffer. You can use “Chapter 4 BIOS Setup” to configure an I/O address, interrupt and unused state
for each of the ports independently. (The same I/O address and IRQ cannot be shared with any other
device.)
Please refer to “Chapter 6 I/O Port Addresses” for more information on I/O address and register
function.
Table 5.7. SERIAL 1, 2, 3, 4, 5 I/O Addresses and Interrupts
SERIAL
I/O address
Interrupt
1 3F8h
-
3FFh
IRQ 4
2
2F8h - 2FFh
IRQ 3
3 (For touch panel
communication) *1
2A0h-2A7h IRQ5
4 (system reserved) *2
2A8h-2AFh
IRQ6
5(RS422/485) *3
3B0h-3B7h
IRQ7
*1 Set as Disable when shipped. If you use the touch panel for the display device using LVDS connection, set to Enable.
The I/O address is fixed and can not be changed.
*2 Set as Disable when shipped. Not available since it is for the reserved device for the functional expansion in future.
The I/O address is fixed and can not be changed.
*3 Set as Disable when shipped.
Set in
“
Enabled
”
when using RS422/485 in RAS connector.
The I/O address is fixed and can not be changed.
Table 5.8. Serial Port Connector
Connector used on
the product
9-socket D-SUB (MALE)
1
5
9
6
No.4-40UNC
Inch screw
threads
Pin No.
Signal
name
Meaning Direction
1 CD
Carrier
detect
Input
2 RD
Received
data
Input
3 TD
Transmitted
data
Output
4
DTR Data terminal ready
Output
5 GND
Signal
ground
-----
6
DSR Data set ready
Input
7
RTS Request to send
Output
8
CTS Clear to send
Input
9 RI
Ring
indicator
Input
Содержание BX710 Series
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