Specifications
Chapter 2: Board Components 2–45
Communication Ports and Interfaces
© March 2009 Altera Corporation Cyclone III 3C120 Development Board Reference Manual
Ta bl e 2–48 lists the HSMC Port B interface signal name, description, and I/O
standard. Signal name and direction are relative to the Cyclone III FPGA, which is the
HSMC host.
J8 pin 137 LVDS TX 14p or CMOS I/O data bit 64 LVDS or 2.5 V HSMA_TX_D_P14 F5
J8 pin 138 LVDS TX 14p or CMOS I/O data bit 65 LVDS or 2.5 V HSMA_RX_D_P14 G4
J8 pin 139 LVDS RX 14n or CMOS I/O data bit 66 LVDS or 2.5 V HSMA_TX_D_N14 F4
J8 pin 140 LVDS RX 14n or CMOS I/O data bit 67 LVDS or 2.5 V HSMA_RX_D_N14 G3
J8 pin 143 LVDS RX 15p or CMOS I/O data bit 68 LVDS or 2.5 V HSMA_TX_D_P15 E2
J8 pin 144 LVDS TX 15p or CMOS I/O data bit 69 LVDS or 2.5 V HSMA_RX_D_P15 F2
J8 pin 145 LVDS RX 15n or CMOS I/O data bit 70 LVDS or 2.5 V HSMA_TX_D_N15 E1
J8 pin 146 LVDS TX 15n or CMOS I/O data bit 71 LVDS or 2.5 V HSMA_RX_D_N15 F1
J8 pin 149 LVDS RX 16p or CMOS I/O data bit 72 LVDS or 2.5 V HSMA_TX_D_P16 D3
J8 pin 150 LVDS TX 16p or CMOS I/O data bit 73 LVDS or 2.5 V HSMA_RX_D_P16 E3
J8 pin 151 LVDS TX 16n or CMOS I/O data bit 74 LVDS or 2.5 V HSMA_TX_D_N16 C2
J8 pin 152 LVDS RX 16n or CMOS I/O data bit 75 LVDS or 2.5 V HSMA_RX_D_N16 F3
J8 pin 155 LVDS or CMOS clock out LVDS HSMA_CLK_OUT_P2 D2
J8 pin 156 LVDS or CMOS clock in LVDS HSMA_CLK_IN_P2 J2
J8 pin 157 LVDS or CMOS clock out 2.5 V HSMA_CLK_OUT_N2 D1
J8 pin 158 LVDS or CMOS clock in 2.5 V HSMA_CLK_IN_N2 J1
N/A User LED intended to show RX data
activity on the HSMC interface
2.5 V HSMA_RX_LED AE1
N/A User LED intended to show TX data
activity on the HSMC interface
2.5 V HSMA_TX_LED AA3
Table 2–47. HSMC Port A Interface Signal Name, Description, and Type (Part 3 of 3)
Board
Reference Description I/O Standard
Schematic
Signal Name
Cyclone III
Device Pin
Number
Table 2–48. HSMC Port B Interface Signal Name, Description, and Type (Part 1 of 4)
Board
Reference Description I/O Standard
Schematic
Signal Name
Cyclone III
Device Pin
Number
J9 pin 33 Management serial data 2.5 V HSMB_SDA H26
J9 pin 34 Management serial clock 2.5 V HSMB_SCL H25
J9 pin 35 JTAG clock signal 2.5 V FPGA_JTAG_TCK P5
J9 pin 36 JTAG mode select signal 2.5 V FPGA_JTAG_TMS P8
J9 pin 39 Dedicated CMOS clock out 2.5 V HSMB_CLK_OUT0 J22
J9 pin 40 Dedicated CMOS clock in 2.5 V HSMB_CLK_IN0 A15
J9 pin 41 Dedicated CMOS I/O bit 0 2.5 V HSMB_D0 G24
J9 pin 42 Dedicated CMOS I/O bit 1 2.5 V HSMB_D1 H23
J9 pin 43 Dedicated CMOS I/O bit 2 2.5 V HSMB_D2 G25
J9 pin 44 Dedicated CMOS I/O bit 3 2.5 V HSMB_D3 H24
J9 pin 47 LVDS TX 0p or CMOS I/O data bit 4 LVDS or 2.5 V HSMB_TX_D_P0 J25
J9 pin 48 LVDS RX 0p or CMOS I/O data bit 5 LVDS or 2.5 V HSMB_RX_D_P0 F27