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Product Nomenclature and Function
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SPT-100A22TP01, SPT-100A22TP02 Reference Manual (Hardware)
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15.
Serial Port Interface: SERIAL A, B
The product has 2 ports of RS-232C compliant serial ports supporting up to a baud rate of
115,200bps (Max.) with a 16-byte transmission-dedicated data buffer and a 16-byte reception-
dedicated data buffer. You can use
chapter
(Page42)
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.)
SERIAL I/O Address and Interrupt
SERIAL
I/O address
Interrupt
A
3F8h - 3FFh
IRQ4
B
2F8h - 2FFh
IRQ 3
Serial Port Connector
Connector type
9-pin D-SUB (MALE)
Pin No.
Signal Name
Description
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 SPT-100A-22TP01
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