TABLE 6. CONFIGURATION REGISTER #2 (READ/WRITE 04H)
TABLE 9. BC CONTROL WORD REGISTER
(READ/WRITE 08H)
BIT
DESCRIPTION
BIT
DESCRIPTION
ENHANCED INTERRUPTS
15 (MSB)
RESERVED
15 (MSB)
14
LOGIC “0”
14
M.E. MASK
13
BUSY LOOKUP TABLE ENABLE
RX SA DOUBLE BUFFER ENABLE
OVERWRITE INVALID DATA
13
SERVICE REQUEST BIT MASK
SUBSYS BUSY BIT MASK
SUBSYS FLAG BIT MASK
TERMINAL FLAG BIT MASK
RESERVED BITS MASK
RETRY ENABLED
12
12
11
11
10
256-WORD BOUNDARY DISABLE
TIME TAG RESOLUTION 2(TTR2)
TIME TAG RESOLUTION 1 (TTR1)
TIME TAG RESOLUTION 0 (TTR0)
CLEAR TIME TAG ON SYNCHRONIZE
LOAD TIME TAG ON SYNCHRONIZE
INTERRUPT STATUS AUTO CLEAR
LEVEL/PULSE* INTERRUPT REQUEST
CLEAR SERVICE REQUEST
10
9
9
8
8
7
7
BUS CHANNEL A/B
6
6
OFF LINE SELF TEST
MASK BROADCAST BIT
EOM INTERRUPT ENABLE
1553A/B SELECT
5
5
4
4
3
3
2
2
MODE CODE FORMAT
BROADCAST FORMAT
RT-RT FORMAT
1
ENHANCED RT MEMORY MANAGEMENT
SEPARATE BROADCAST DATA
1
0 (LSB)
0 (LSB)
TABLE 10. RT SUBADDRESS CONTROL WORD REGISTER
(READ/WRITE 08H)
TABLE 7. START/RESET REGISTER (WRITE 06H)
DESCRIPTION
BIT
BIT
DESCRIPTION
RESERVED
15 (MSB)
RX: DOUBLE BUFFER ENABLE
15 (MSB)
•
•
•
14
TX: EOM INT
•
13
TX: CIRC BUF INT
•
•
12
TX: MEMORY MANAGEMENT 2 (MM2)
TX: MEMORY MANAGEMENT 1 (MM1)
TX: MEMORY MANAGEMENT 0 (MM0)
RX: EOM INT
7
6
5
4
3
2
1
RESERVED
11
BC/MT STOP-ON-MESSAGE
BC STOP-ON-FRAME
TIME TAG TEST CLOCK
TIME TAG RESET
INTERRUPT RESET
BC/MT START
10
9
8
RX: CIRC BUF INT
7
RX: MEMORY MANAGEMENT 2 (MM2)
RX: MEMORY MANAGEMENT 1 (MM1)
RX: MEMORY MANAGEMENT 0 (MM0)
BCST: EOM INT
6
5
0 (LSB) RESET
4
3
BCST: CIRC BUF INT
2
BCST:MEMORY MANAGEMENT 2 (MM2)
BCST: MEMORY MANAGEMENT 1 (MM1)
BCST: MEMORY MANAGEMENT 0 (MM0)
1
0 (LSB)
TABLE 8. BC/RT COMMAND STACK POINTER REG. (READ 06H)
BIT
DESCRIPTION
TABLE 11. TIME TAG REGISTER (READ/WRITE 0AH)
DESCRIPTION
COMMAND STACK POINTER 15
15 (MSB)
BIT
•
•
TIME TAG 15
15 (MSB)
•
•
•
•
•
•
•
•
•
•
0 (LSB)
COMMAND STACK POINTER 0
0 (LSB) TIME TAG 0
11
ETC [ ETC ]
