15
3.4 Serial Ports
The ROCKY-P258BX offers two high speed NS16C550
compatible UARTs with Read/Receive 16 byte FIFO serial ports
(COMA/COMB) and one additional 10-pin Header (COMB)
•
CN17/CN14 : Serial Port DB-9 Connector (COMA/COMB)
PIN NO. DESCRIPTION
1
DATA CARRIER DETECT (DCD)
2
RECEIVE DATA (RXD)
3
TRANSMIT DATA (TXD)
4
DATA TERMINAL READY (DTR)
5
GROUND (GND)
6
DATA SET READY (DSR)
7
REQUEST TO SEND (RTS)
8
CLEAR TO SEND (CTS)
9
RING INDICATOR (RI)
•
CN9 : Serial Port 10-pin Header (COMB)
PIN NO.
DESCRIPTION PIN NO.
DESCRIPTION
1
DCD
6.
DSR
2
RXD
7
RTS
3
TXD
8
CTS
4
DTR
9
RI
5
GND
10
N/C
3.5 Keyboard / Mouse Connector
ROCKY-P258BX provides one PS/2 Keyboard/Mouse connector.
•
CN18 : 6-pin Mini-DIN PS2 Keyboard/Mouse Connector
PIN NO. DESCRIPTION
1
KEYBOARD DATA
2
MS DATA
3
GND
4
+5V
5
KB CLOCK
6
MS CLOCK
Summary of Contents for ROCKY-P258BX
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