TC1796
System Units (Vol. 1 of 2)
LMB External Bus Unit
User’s Manual 13-83 V2.0, 2007-07
EBU, V2.0
13.10.3 Configuration Register, CON
EBU_CON
EBU Configuration Register (010
H
)
Reset Value (Internal boot): 0000 0028
H
Reset Value (External boot): 0801 0068
H
0801 008A
H
Reset Value (Emulation mode): 1001 0068
H
1001 00A8
H
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
0
BF
SSS
EMU
FAM
CS0
FAM
0 GLOBALCS
rrwrwrw rw rw
1514131211109876543210
TIMEOUTC
ARB
MODE
ARB
SYN
C
EXT
LOC
K
100
rw rw rw rw rw rw r
Field Bits Type Description
EXTLOCK 4rwExternal Bus Lock Control
0
B
External bus is not locked after the EBU gains
ownership
1
B
External bus is locked after the EBU gains
ownership
ARBSYNC 5rwArbitration Signal Synchronization Control
0
B
Arbitration inputs are synchronous
1
B
Arbitration inputs are asynchronous
ARBMODE [7:6] rw Arbitration Mode Selection
00
B
00No Bus arbitration mode selected
01
B
01Arbiter Mode arbitration mode selected
10
B
10Participant arbitration mode selected
11
B
11Sole Master arbitration mode selected