Specifications

42 Altera Corporation
EPXA1 Development Board Hardware Reference Manual
EBI
The EBI shares addresses and data with the flash and Ethernet MAC/PHY
devices. Each device has separate chip-select lines.
Table 31 shows the EPXA1 pin-outs for the EBI control signals and the
board references for the flash memory and Ethernet.
Table 32 shows the EPXA1 pin-outs for the EBI data bank and address bus
and the board references for the flash memory and Ethernet.
Table 31. EBI Control Signal Pin-Outs
Signal Name EPXA1
Device Pin
Ethernet Board
Reference
Flash Memory
Board Reference
Description
EBI_BE0 D1 U9.96 Byte enable
EBI_BE1 H9 U9.97 Byte enable
EBI_OE_N D2 U9.33 Output enable
EBI_WE_N G8 U9.34 FLASH1.11,
FLASH2.11
Write enable
EBI_CS0 C2 FLASH1.26 Chip select (flash memory 1)
EBI_CS1 B3 FLASH2.26 Chip select (flash memory 2)
EBI_CS2 D3 Chip select (not used)
EBI_CS3 C4 U9.43 Chip select (ethernet)
EBI_CLK C3 U9.44 EBI clock
EBI_ACK B4 EBI acknowledge (not used)
Table 32. EBI Data Bank and Address Bus Pin-Outs (Part 1 of 2)
Signal Name EPXA1 Device Pin Ethernet Board
Reference
Flash Memory 1
Board Reference
Flash Memory 2
Board Reference
EBI_DQ0 D10 U9.109 FLASH1.29 FLASH2.29
EBI_DQ1 F10 U9.108 FLASH1.31 FLASH2.31
EBI_DQ2 C10 U9.107 FLASH1.33 FLASH2.33
EBI_DQ3 E10 U9.106 FLASH1.35 FLASH2.35
EBI_DQ4 A10 U9.104 FLASH1.38 FLASH2.38
EBI_DQ5 G11 U9.103 FLASH1.40 FLASH2.40
EBI_DQ6 B10 U9.102 FLASH1.42 FLASH2.42
EBI_DQ7 F11 U9.101 FLASH1.44 FLASH2.44
EBI_DQ8 D11 U9.78 FLASH1.30 FLASH2.30
EBI_DQ9 E11 U9.77 FLASH1.32 FLASH2.32