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Document type:
Title:
User's Manual (MUT)
Mod. V977 16 Channel I/O Register (Status A)
4. VME Interface
4.1. Addressing capability
The module works in A32/A24 mode. This means that the module address must be
specified in a field of 32 or 24 bits. The Address Modifiers code recognized by the module
are:
AM=%39:
AM=%3D:
AM=%09:
AM=%0D:
The module's Base Address is fixed by 4 internal rotary switches housed on two piggy-
back boards plugged into the main printed circuit board (see Fig. 4.1).
The Base Address can be selected in the range:
0x000000
0x00000000
The address map of the page is shown in table 4.1.
4.2. Data transfer capability
The V977 registers are accessible in D16 mode
ADDRESS
Base + %0000
Base + %0002
Base + %0004
Base + %0006
Base + %0008
Base + %000A
Base + %000C
Base + %000E
Base + %0010
Base + %0012
Base + %0014
Base + %0016
Base + %0018
Base + %001A
Base + %001C
Base + %001E
Base + %0020
Base + %0022
Base + %0024
Base + %0026
Base + %0028
Base + %002A
Base + %002C
Base + %002E
NPO:
00118/01:V977X.MUTX/01
ßà
0xFF0000
ßà
0xFFFF0000
Table 4.1: Address Map for the Mod. V977
REGISTER/CONTENT
INPUT SET
INPUT MASK
INPUT READ
SINGLEHIT READ
MULTIHIT READ
OUTPUT SET
OUTPUT MASK
INTERRUPT MASK
CLEAR OUTPUT
RESERVED
RESERVED
SINGLEHIT READ -CLEAR
MULTIHIT READ-CLEAR
TEST CONTROL REGISTER
RESERVED
RESERVED
INTERRUPT LEVEL
INTERRUPT VECTOR
SERIAL NUMBER
FIRMWARE REVISION
CONTROL REGISTER
DUMMY REGISTER
RESERVED
SOFTWARE RESET
Filename:
V977_REV1.DOC
Revision date:
27/08/2004
A24 non privileged data access
A24 supervisory data access
A32 non privileged data access
A32 supervisory data access
A24 mode
A32 mode
ADDR
DATA
A24/A32
A24/A32
A24/A32
A24/A32
A24/A32
A24/A32
A24/A32
A24/A32
A24/A32
-
-
A24/A32
A24/A32
A24/A32
-
-
A24/A32
A24/A32
A24/A32
A24/A32
A24/A32
A24/A32
-
A24/A32
Revision:
1
R/W
D16
read/write
D16
read/write
D16
read only
D16
read only
D16
read only
D16
read/write
D16
read/write
D16
read/write
D16
write only
-
-
-
-
D16
read only
D16
read only
D16
read/write
-
-
-
-
D16
read/write
D16
read/write
D16
read only
D16
read only
D16
read/write
D16
read/write
-
-
D16
write only
Number of pages:
Page:
21
14
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