Altera Cyclone II EP2C35 PCI Development Board - Manual (Page 45)

Altera Corporation Core Version 4.0.0 4–11
May 2005 Cyclone II EP2C35 PCI Development Board Reference Manual
Pin-Outs & Signal Specifications
RS-232 Serial Interface
Table 4–6 shows the RS-232 serial interface signal and pin connections as
well as the level converters.
Configuration This section describes signal specifications for the following:
■ JTAG header
■ Active Serial (AS) interface
■ EPCS64 serial Flash interface
JTAG Header
Table 4–7 shows the JTAG header signal and pin connections.
Table 4–6. RS-232 Serial Interface Signal & Pin Connections
Connector
Signal
Connector Pin Level Converter A Level Converter B
Cyclone II
Pin (U9)
Cyclone II Signal
DB9_TXD J12.2 U12.14 U12.11 F24 RS232_TXD
DB9_RXD J12.3 U12.13 U12.12 G24 RS232_RXD
DB9_RTS J12.7 U12.8 U12.9 H21 RS232_RTS
DB9_CTS J12.8 U12.7 U12.10 G25 RS232_CTS
Table 4–7. JTAG Header Connections
JTAG Signal JTAG Header (J8) Cyclone II Pin (U9)
JTAG_TCK 1 M6
JTAG_TDO 3 M7
JTAG_TDI 9 M8
JTAG_TMS 5 L8
GND 2, 10 -
3.3V 4, 6 -