VXi SM7100 ユーザーズマニュアル

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SM7100 Programming 

23 

The following describes the registers shown in the SMIP II Register Map for A16 address space. 
 

D11-D0 

Manufacturer's ID 

VXI Technology, Inc., set to F4B

16 

D13-D12 Address 

Space 

A16/A24

 

= 00

2 

A16/A32 = 01

2

 

D15-D14 

Device Class 

Extended register based device, set to 01

2 

 
 

D7-D0 Logical 

Address 

Sets the new logical address in a dynamically configured module. 
When set for dynamic configuration (set to FF

16

) a soft reset will not 

alter the configured logical address, while a hard reset will set the 
register back to FF

16

. 

D15-D8 

Reserved 

Writing to this range has no effect. 

 
 

D11-D0 

Model Code 

Model 277, set to 115

16 

D15-D12 Required 

Memory 

2 Mbytes, set to 2

16

, for A24 

2 Mbytes, set to A

16

, for A32 

 
 

D15 A24/A32 

Active 

1 = indicates that A24/A32 memory space access is enabled 
0 = indicates that A24/A32 memory space access is locked out 

D14 MODID* 

1 = indicates that the module is not selected by the MODID line 
0 = indicates that the module is selected by the MODID line. 

D13-D4 

Reserved 

These bits always read as 11,1111,1111

2

 

D3 

Ready 

This bit always reads as 1

2

 

D2 

Passed 

This bit always reads as 1

2

 

D1-D0 

Reserved 

These bits always read as 11

2

 

 
 

 

D15 A24/A32 

Enable 

1 = write a 1 to this bit to enable A24/A32 memory access 
0 = to disable access 

D14-D2 

Reserved 

Writes to these bits have no effect. 

D1 Sysfail 

Inhibit 

Write a 1 to this bit to prevent the module from asserting the 
SYSFAIL* line. 

D0 Reset 

1 = write a 1 to this bit to force the module into a reset state 
0 = write a 0 to release the reset state