TABLE 4. INTERRUPT MASK REGISTER (READ/WRITE 00H)
BIT
DESCRIPTION
15 (MSB)
RESERVED
14
RAM PARITY ERROR
13
TRANSMITTER TIMEOUT
BC/RT COMMAND STACK ROLLOVER
MT COMMAND STACK ROLLOVER
MT DATA STACK ROLLOVER
RT MODE CODE/MT PATTERN TRIGGER
BC RETRY
12
11
10
9
8
7
RT ADDRESS PARITY ERROR
TIME TAG ROLLOVER
6
5
RT CIRCULAR BUFFER ROLLOVER
RT SUBADDRESS CONTROL WORD EOM
BC END OF FRAME
4
3
2
FORMAT ERROR
1
STATUS SET
0 (LSB)
END OF MESSAGE
TABLE 5. CONFIGURATION REGISTER #1 (READ/WRITE 02H)
BIT
BC FUNCTION
( Enhanced Mode Only
Bits 11-0)
RT WITHOUT ALTERNATE
STATUS
RT WITH ALTERNATE
STATUS (Enhanced Only)
MONITOR FUNCTION
(Enhanced mode only
bits 12-0)
15 (MSB)
RT/BC-MT (logic 0)
(logic 1)
(logic 1)
(logic o)
14
13
12
MT/BC-RT (logic 0)
(logic 0)
(logic 0)
(logic 1)
CURRENT AREA B/A
MESSAGE STOP-ON-ERROR
CURRENT AREA B/A
CURRENT AREA B/A
CURRENT AREA B/A
MESSAGE MONITOR
ENABLED
MESSAGE MONITOR
ENABLED (MMT)
MESSAGE MONITOR
ENABLED
(MMT)
(MMT)
11
FRAME STOP-ON-ERROR
DYNAMIC BUS CONTROL
ACCEPTANCE
S10
TRIGGER ENABLED
WORD
10
9
STATUS SET STOP-ON-MESSAGE
STATUS SET STOP-ON-FRAME
FRAME AUTO-REPEAT
BUSY
S09
S08
S07
S06
START-ON-TRIGGER
STOP-ON-TRIGGER
NOT USED
SERVICE REQUEST
SUBSYSTEM FLAG
8
7
EXTERNAL TRIGGER ENABLED
RTFLAG (Enhanced Mode
Only)
EXTERNAL TRIGGER
ENABLED
6
5
INTERNAL TRIGGER ENABLED
NOT USED
NOT USED
S05
S04
NOT USED
NOT USED
INTERMESSAGE GAP TIMER
ENABLED
4
3
2
RETRY ENABLED
DOUBLED/SINGLE RETRY
BC ENABLED
NOT USED
NOT USED
NOT USED
S03
S02
S01
NOT USED
NOT USED
MONITOR
ENABLED(Read Only)
1
BC FRAME IN PROGRESS (Read NOT USED
Only)
S00
MONITOR TRIGGERED
(Read Only)
0 (LSB)
BC MESSAGE IN PROGRESS
(Read Only)
RT MESSAGE IN PROGRESS RT MESSAGE IN PROGRESS
(Enhanced mode only, Read Only) (Read Only)
MONITOR ACTIVE
(Read Only)
10
ETC [ ETC ]
