
Data Device Corporation
62743_pre2.DOC
www.ddc-web.com
8-15-01
21
TABLE 16
. INTERRUPT MASK REGISTER #1
(READ/WRITE 00H)
BIT
DESCRIPTION
15(MSB)
RESERVED
14
RAM PARITY ERROR
13
BC/RT TRANSMITTER TIMEOUT
12
BC/RT COMMAND STACK ROLLOVER
11
MT COMMAND STACK ROLLOVER
10
MT DATA STACK ROLLOVER
9
HANDSHAKE FAILURE
8
BC RETRY
7
RT ADDRESS PARITY ERROR
6
TIME TAG ROLLOVER
5
RT CIRCULAR BUFFER ROLLOVER
4
RT SUBADDRESS CONTROL WORD EOM
3
BC END OF FRAME
2
FORMAT ERROR
1
BC STATUS SET/RT MODE CODE/MT PATTERN
TRIGGER
0(LSB)
END OF MESSAGE
TABLE 17. CONFIGURATION REGISTER #1 (READ/WRITE 01H)
BIT
BC FUNCTION
(Bits 11-0 Enhanced
Mode Only)
RT WITHOUT
ALTERNATE
STATUS
RT WITH ALTERNATE
STATUS
(Enhanced Mode Only)
MONITOR FUNCTION
(Enhanced Mode Only,
bits 12-0)
15
(MSB)
RT/BC-MT* (Logic 0)
(Logic 1)
(Logic 0)
14
MT/BC-RT* (Logic 0)
(Logic 0)
(Logic 1)
13
CURRENT AREA B/A*
12
MESSAGE STOP-ON-
ERROR
MESSAGE MONITOR
ENABLED (MMT)
MESSAGE MONITOR
ENABLED
MESSAGE MONITOR
ENABLED
11
FRAME STOP-ON-
ERROR
DYNAMIC BUS
CONTROL
ACCEPTANCE*
S10
TRIGGER WORD
ENABLED
10
STATUS SET
STOP-ON-MESSAGE
BUSY*
S09
START-ON-TRIGGER
9
STATUS SET
STOP-ON-FRAME
SERVICE REQUEST*
S08
STOP-ON-TRIGGER
8
FRAME AUTO-REPEAT
SUBSYSTEM FLAG*
S07
NOT USED
7
EXTERNAL TRIGGER
ENABLED
RTFLAG* (Enhanced
Mode Only)
S06
EXTERNAL TRIGGER
ENABLED
6
INTERNAL TRIGGER
ENABLED
NOT USED
S05
NOT USED
5
INTERMESSAGE GAP
TIMER ENABLED
NOT USED
S04
NOT USED
4
RETRY ENABLED
NOT USED
S03
NOT USED
3
DOUBLE/SINGLE*
RETRY
NOT USED
S02
NOT USED
2
BC ENABLED (Read
NOT USED
S01
MONITOR ENABLED