Specifications

34 Altera Corporation
EPXA1 Development Board Hardware Reference Manual
Expansion Headers
On the development board, there is a standard expansion header and a
wide expansion header. Table 24 lists the signals on the standard
expansion header.
Table 39 on page 48 lists pin-out information for the standard expansion
header on development board.
Table 24. Standard Expansion Header Signals
Pin Signal Pin Signal Pin Signal
7 × 2 Header, J11
1 GND 6 B_H5V_IO31 11 B_H5V_IO36
2 VCC_5V 7 B_H5V_IO32 12 B_H5V_IO37
3 H5V_VEE 8 B_H5V_IO33 13 B_H5V_IO38
4 B_H5V_IO29 9 B_H5V_IO34 14 B_H5V_IO39
5 B_H5V_IO30 10 B_H5V_IO35
10 × 2 Header, J10
1 Vcc_UNREG 8 GND 15 VCC_3V3
2 GND 9 H5V_OSC 16 GND
3 VCC_A2 10 GND 17 NC
4 GND 11 H5V_CLK 18 GND
5 VCC_3V3 12 GND 19 NC
6 GND 13 H5V_CLKOUT 20 GND
7 VCC_3V3 14 GND
20 × 2 Header, J15
1 H5_RST_N 15 B_H5V_IO12 29 B_H5V_IO21
2 GND 16 B_H5V_IO13 30 GND
3 B_H5V_IO0 17 B_H5V_IO14 31 B_H5V_IO22
4 B_H5V_IO1 18 B_H5V_IO15 32 B_H5V_IO23
5 B_H5V_IO2 19 GND 33 B_H5V_IO24
6 B_H5V_IO3 20 Removed 34 NC
7 B_H5V_IO4 21 B_H5V_IO16 35 B_H5V_IO25
8 B_H5V_IO5 22 GND 36 B_H5V_IO26
9 B_H5V_IO6 23 B_H5V_IO17 37 B_H5V_IO27
10 B_H5V_IO7 24 GND 38 H5_CS_N
11 B_H5V_IO8 25 B_H5V_IO18 39 B_H5V_IO28
12 B_H5V_IO9 26 GND 40 GND
13 B_H5V_IO10 27 B_H5V_IO19
14 B_H5V_IO11 28 B_H5V_IO20