Comports, Global bus – Sundance SMT365E User Manual

Page 12

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Version 2.1

Page 12 of 26

SMT365e User Manual

Comports

The DSP has six comports, numbered 0 to 5.

The addresses of the Comport registers are described in the

SMT6400 help file

.

SHB

The SMT365e has six SHB connectors, all of which are connected to the DSP to give
16-bit/32-bit SDB interfaces on two SHB connectors. These interfaces operate with a
fixed clock rate of 100MHz.

Note that the four other SHB connectors are not used.

The following figure shows their localisation on the board:

Global bus

The SMT365e provides a single global bus interface. This is only accessible from the
DSP. The addresses of the global bus registers are shown in the

Virtex Memory Map

,

and are described in the

SMT6400 help file

.

SDB0

SDB2

SDB1

SDB3

SHB_B

SHB_A

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