
Data Device Corporation
62743_pre7_noSA-DB.DOC
www.ddc-web.com
8-07-02
28
Table 32
. BC FRAME TIME REMAINING
REGISTER (READ/WRITE 0Bh, PCI 2Ch)
BIT
DESCRIPTION
15(MSB)
BC FRAME TIME REMAINING 15
0(LSB)
BC FRAME TIME REMAINING 0
NOTE: Resolution = 100
s per LSB
Table 33
. BC MESSAGE TIME REMAINING
REGISTER (READ 0Ch, PCI 30h)
BIT
DESCRIPTION
15(MSB)
BC MESSAGE TIME REMAINING 15
0(LSB)
BC MESSAGE TIME REMAINING 0
NOTE: Resolution = 1
s per LSB
TABLE 34
. BC FRAME TIME/RT LAST
COMMAND/MT TRIGGERREGISTER
(READ/WRITE 0Dh, PCI 34h)
BIT
DESCRIPTION
15(MSB)
BIT 15
0(LSB)
BIT 0
TABLE 35
. RT STATUS WORD REGISTER
(READ 0Eh, PCI 38h)
BIT
DESCRIPTION
15(MSB)
LOGIC “0”
14
LOGIC “0”
13
LOGIC “0”
12
LOGIC “0”
11
LOGIC “0”
10
MESSAGE ERROR
9
INSTRUMENTATION
8
SERVICE REQUEST
7
RESERVED
6
RESERVED
5
RESERVED
4
BROADCAST COMMAND RECEIVED
3
BUSY
TABLE 35
. RT STATUS WORD REGISTER
(READ 0Eh, PCI 38h)
BIT
DESCRIPTION
2
SUBSYSTEM FLAG
1
DYNAMIC BUS CONTROL ACCEPT
0(LSB)
TERMINAL FLAG
TABLE 36
. RT BIT WORD REGISTER
(READ 0Fh, PCI 3Ch)
BIT
DESCRIPTION
15(MSB)
TRANSMITTER TIMEOUT
14
LOOP TEST FAILURE B
13
LOOP TEST FAILURE A
12
HANDSHAKE FAILURE
11
TRANSMITTER SHUTDOWN B
10
TRANSMITTER SHUTDOWN A
9
TERMINAL FLAG INHIBITED
8
BIT TEST FAIL
7
HIGH WORD COUNT
6
LOW WORD COUNT
5
INCORRECT SYNC RECEIVED
4
PARITY/MANCHESTER ERROR
RECEIVED
3
RT-RT GAP/SYNC/ADDRESS ERROR
2
RT-RT NO RESPONSE ERROR
1
RT-RT 2ND COMMAND WORD ERROR
0(LSB)
COMMAND WORD CONTENTS ERROR
TABLE 37
. CONFIGURATION REGISTER #6
(Read/Write 18h, PCI 60h)
BIT
DESCRIPTION
15 (MSB)
ENHANCED BUS CONTROLLER
14
ENHANCED CPU ACCESS
13
COMMAND STACK POINTER
INCREMENT ON EOM (RT, MT)
12
GLOBAL CIRCULAR BUFFER
11
GLOBAL CIRCULAR BUFFER SIZE 2
10
GLOBAL CIRCULAR BUFFER SIZE 1
9
GLOBAL CIRCULAR BUFFER SIZE 0
8
DISABLE INVALID MESSAGES TO
INTERRUPT STATUS QUEUE
7
DISABLE VALID MESSAGES TO
INTERRUPT STATUS QUEUE
6
INTERRUPT STATUS QUEUE ENABLE
5
RT ADDRESS SOURCE
4
ENHANCED MESSAGE MONITOR
3
RESERVED
2
64-WORD REGISTER SPACE
1
CLOCK SELECT 1
0 (LSB)
CLOCK SELECT 0