1-2GETTING HELP ........................................................................................................................................................1
2-1LAY OUT AND COMPONETS.......................................................................................................................................2
5-2ALWAYS VISIT THDB-H2GWEBPAGE FOR NEW MAIN BOARD............................................................................15
ii
Introduction
1
The THDB-H2G board is designed to fan out the High Speed Mezzanine connector (HSMC) I/Os to three
40-pin expansion prototype connectors, which are compatible with Altera DE2/DE1 expansion headers. Users
can connect up to three Altera DE2/DE1 boards (or associated daughter cards) onto a HSMC-interfaced host
board via the THDB-H2G board.
Figure 1.1 shows the photo of the THDB-H2G board. The important functions of the THDB-H2G are listed
below:
Converts HSMC interface I/O to standard 40-pi n expansion connectors.
•
• Allows users to connect Altera DE2/DE1 board
• Provides test points for signal measurement.
Introduction
1-1Features
to a HSMC-interfaced host board.
s
Figure 1.1. The picture of the THDB-H2G
1-2Getting Help
Here are some places to get help if you encounter any problem:
9Email to support@terasic.com
Taiwan & China: +886-3-550-8800
9
Korea : +82-2-512-7661
9
9 Japan: +81-428-77-7000
1
board
Architecture
2
This chapter describes the architecture of the THDB-H2G board including block diagram and components.
The picture of the TDRB-H2G is shown in Figure 2.1 and Figure 2.2. It depicts the layout of the board and
indicates the locations of the connectors and key components.
Architecture
1-3Layout and Componets
Figure 2.1 The TDRB-H2G board PCB and component diagram
2
HSM
Architecture
C Connector(J1)
Figure 2.2 The TDRB-H2G board back side – HSMC connector view
The following components are provided on the THDB-H2G board :
• HSMC expansion connector (J1)
• Expansion prototype connectors (JP1,JP2,JP3)
• I2C serial EEPROM (U2)
3
Architecture
1-4Block Diagram
Figure 2.3 shows the block diagram of the THDB-H2G board.
THDB-H2G
To
HSMC Interface
Host Board
HSMC
Connector
J1
40-Pin Expansion
Prototype Connector 1
36 I/Os
JP1
40-Pin Expansion
Prototype Connector 2
36 I/Os
JP2
40-Pin Expansion
Prototype Connector 3
36 I/Os
JP3
I2C Serial EEPROM
I2C Interface
U2
Figure 2.3. The block diagram of the THDB-H2G board
4
Board Components
3
Board Components
This section will describe the detailed information of the components, connector interfaces,
and the pin mappings on the THDB-H2G board.
1-5HSMC Expansion Connector
This section describes the HSMC connector on the THDB-H2G board
THDB-H2G board contains an Altera standard HSMC connector. All the other interfaces on the THDB-H2G
board are connected to the HSMC connector. Figure 3.1, Figure 3.2, and Figure 3.3 show the pin-outs of the
HSMC connector.
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
2
4
6
8
1
HSMC_TXVR_TXp7
3
HSMC_TXVR_TXn7
5
HSMC_TXVR_TXp6
7
HSMC_TXVR_TXn6
9
HSMC_TXVR_TXp5
11
HSMC_TXVR_TXn5
13
HSMC_TXVR_TXp4
15
HSMC_TXVR_TXn4
17
HSMC_TXVR_TXp3
19
HSMC_TXVR_TXn3
21
HSMC_TXVR_TXp2
23
HSMC_TXVR_TXn2
25
HSMC_TXVR_TXp1
27
HSMC_TXVR_TXn1
29
HSMC_TXVR_TXp0
31
HSMC_TXVR_TXn0
33
HSMC_SDA
35
HSMC_TCK
37
HSMC_TDO
39
HSMC_CLKOUT0
HSMC_TXVR_RXp7
HSMC_TXVR_RXn7
HSMC_TXVR_RXp6
HSMC_TXVR_RXn6
HSMC_TXVR_RXp5
HSMC_TXVR_RXn5
HSMC_TXVR_RXp4
HSMC_TXVR_RXn4
HSMC_TXVR_RXp3
HSMC_TXVR_RXn3
HSMC_TXVR_RXp2
HSMC_TXVR_RXn2
HSMC_TXVR_RXp1
HSMC_TXVR_RXn1
HSMC_TXVR_RXp0
HSMC_TXVR_RXn0
HSMC_SCL
HSMC_TMS
HSMC_TDI
HSMC_CLKIN0
Figure 3.1 The pin-outs of Bank 1 on the HSMC connector.
Figure 3.3 The pin-outs of Bank 3 on the HSMC connector.
7
Board Components
1-6Expansion Prototype Connectors
This section describes the expansion prototype connectors on the THDB -H2G board.
The THDB-H2G board has three expansion prototype connectors (JP1, JP2, and JP3) connected to the
HSMC connector directly. Each of the connectors has 36 prototyping I/Os and 3.3/5 volts power supply from
the HSMC interface and on-board regulator. In addition, the expansion connector is compatible with the
expansion headers of the Altera DE1/DE2 board. With these expansion connectors, users can connect the
Altera DE2/DE1 development kits or custom daughter boards to a HSMC-interfaced host board. Figure 3.4,
Figure 3.5, and Figure 3.6 shows the pin-outs of the expansion prototype connectors. Also, the detailed pin
mappings to HSMC connector are listed in Table 3.1, Table3.2, and Table 3.3.
Figure 3.4 The pin-outs of the expa nsion prototype connector JP1
8
Board Components
Figure 3.5 The pin-outs of the expa nsion prototype connector JP2
Figure 3.6 The pin-outs of the expa nsion prototype connector JP3
9
r
Board Components
Table 3.1 The pin mappings of the expansion prototype connector JP1
This section describes the I2C Serial EEPROM on the THDB-H2G board
The THDB-H2G board provides a Microchip 24LC000 EEPROM (U2) which can be configured by the I2C
interface. The size of the EEPROM is 128-bit that can store the board information or user’s data. The detailed
pin description between EEPROM and HSMC connector is listed in the Table 3.4.
Table 3.4 The pin assignments of the I2C serial EEPROM
This section describes the power supply on the THDB-H2G board.
The power distribution on the THDB-H2G board is shown in Figure 3.7.
HSMC Pin
Number
Figure 3.7 THDB-H2G board power distribution diagram.
13
Demonstration
4
This chapter illustrates how to use the THDB-H2G board to a HSMC-interfaced host board.
1-9Connecting THDB-H2G Board to a Cyclone III Starter Board
This section describes how to use the THDB-H2G board with a Cyclone III Starter Board.
Figure 4.1 illustrates how the THDB-H2G board is connected to the Cyclone III starter board. Users need to
pay extra attention to the following two points:
1. Observe the orientation of the HSMC connector when conne cting the THDB-H2G to the Cyclone III
2. Note that there are two LVDS pairs on the HSMC connector: the HSMC_CLK_p1/n1 (form a close
Demonstration
Starter Board.
loop via R3) and HSMC_CLKIN_p2/n2 (form a close loop via R4). Therefore, using any one of the
signal in a L VDS pair und er single-ended mode will prev ent users from using the other signal in the
same pair .
Figure 4.1 Connecting the THDB-H2G board to the Cyclone III starter board
14
Appendix
5
Date Change Log
AUG 15, 2007 Initial Version
1-11Always Visit THDB-H2G Webpage for New Main board
We will be continuing providing interesting examples and labs on our THDB-H2G
webpage. Please visit www.
Appendix
1-10Revision History
terasic.com for more information.
15
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