Installation guide

Mint™ v4 Advanced Programming Guide

66 MN1270 02.2002

Attributes:

Controller Read Write Command Multi-

Axis

Scaled Default Range

NextMove

 

0 any 16 bit integer

value

Description:

The Dual Port Ram is an area of Ram accessible by both the host PC and the controller, the size of this

depends on the controller. The

DPRFLOAT keyword allows the user to read and write 16 bit integer

values to any location within Dual Port Ram.

NextMove PCI

There is 4k of 32 bit wide Dual Port Ram on NextMove PCI, detail of the Dual Port Ram map can be

found in then Mint v4 PC Programming Guide. The valid address range on NextMove PCI is 0x0000 to

0x0FFD inclusive.

Care should be taken when writing 16 bit integer values to the dual port ram on NextMove PCI. The 16

bit value will not be sign extended and hence if it is not read back as a 16 bit value the perceived value

will be different.

NextMove PC

There is 1k of 16 bit wide Dual Port Ram on NextMove PCI, detail of the Dual Port Ram map can be

found in then Mint v4 PC Programming Guide. The valid address range on NextMove PC is 0x0 to

0x3FD inclusive.