Expansion Interfaces
Figure 9. Serial Connector J29
Function
GND DTR1
RXD1
IN
L16
3
TXD1 DCD1
OUT OUT
L17 H14
Direction
IN
K13
Stratix II Pin #
Connector Pin #
5
4
2
1
J19
Connector Pin #
StratixII Pin #
Direction
9
8
7
6
K17 K15 L15 K16
OUT OUT IN OUT
RI1 CTS1 RTS1 DSR1
Function
Table 33 shows the pin-outs for the RS-232C interface.
Table 33. RS-232C Serial Interface Pin-Outs
Signal
Stratix II Pin
TXD
RXD
DTR
DCD
DSR
RI
L17
L16
K13
H14
K16
K17
K15
L15
CTS
RTS
Table 34 lists reference information for the RS-232C transciever device.
Table 34. RS-232C Interface Device Reference
Item
Description
Board reference
Part number
U41
MAX221E
Device description
Voltage
RS-232 transceiver
3.3 V
Manufacturer
Maxim
Manufacturer web site
www.maxim-ic.com
Altera Corporation
43
Preliminary
ALTERA [ ALTERA CORPORATION ]
