Achronix Speedster22i HD1000 Development Kit User Guide Manual de usuario descargar pdf (Pagina 38)

38 UG034, July 1, 2014

Signal Name

SerDes No

Pin on HD1000

(U33)

Pin on PCIe x8

Finger (J4)

PCIE_TXN4

C15

A30

PCIE_RXP5

G16

B23

PCIE_RXN5

F16

B24

PCIE_TXP5

A16

A25

PCIE_TXN5

B16

A26

PCIE_RXP6

F17

B19

PCIE_RXN6

E17

B20

PCIE_TXP6

B17

A21

PCIE_TXN6

C17

A22

PCIE_RXP7

G18

B14

PCIE_RXN7

F18

B15

PCIE_TXP7

A18

A16

PCIE_TXN7

B18

A17

PCIE_MAXOUT_P

(SerDes Ref Clock)

M25

M26

J25

J26

Selected using U57

PCIE_MAXOUT_N

(SerDes Ref Clock)

N25

N26

K25

K26

USB (U54, U41)

There are two USB connectors on the board, U54 and U41. You can use the USB (U54)

interface for communicating with the board. This interface lets you access the JTAG interface

pins on the HD1000. In addition, information is transferred from the board to the

development PC. You can use this information for further debug, development or application

actions. These two USB connectors can be seen in Figure 11. The HD1000 (U33) controls the

communication between the USB port (U54) and the development PC. The development PC

and the MCU (U35) communicate over U41. Table 9 and Table 10 show the connections

between the U54 and HD1000 and U41 and the MCU.

Table 9: ACX-BRD-HD1000-100G USB Interface Connections (HD1000)

Table 10: ACX-BRD-HD1000-100G USB Interface Connections (MCU)

USB Connector (U54)

HD1000 (U33)

Signal Name

D+

UART_TXD

BB50

D-

UART_RXD

BB51

USB Connector (U41)

Microcontroller – Atmega2560 (U35)

Signal Name

D+

AVR_RXD

D-

AVR_TXD

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 68 69

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