Altera Cyclone III Development Board User Manual

Page 55

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Chapter 2: Board Components

2–45

Communication Ports and Interfaces

© March 2009 Altera Corporation

Cyclone III 3C120 Development Board Reference Manual

Table 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

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