
Data Device Corporation
62743_pre7_noSA-DB.DOC
www.ddc-web.com
8-07-02
25
TABLE 20
. CONFIGURATION REGISTER #1 (READ/WRITE 01h, PCI 04h)
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
Only)
NOT USED
S01
MONITOR ENABLED
(Read Only)
1
BC FRAME IN
PROGRESS (Read Only)
NOT USED
S00
MONITOR TRIGGERED
(Read Only)
0
(LSB)
BC MESSAGE IN
PROGRESS (Read Only)
RT MESSAGE IN
PROGRESS
(Enhanced mode only,
Read only)
RT MESSAGE IN
PROGRESS
(Read Only)
MONITOR ACTIVE (Read
Only)