TC1796
System Units (Vol. 1 of 2)
LMB External Bus Unit
User’s Manual 13-97 V2.0, 2007-07
EBU, V2.0
13.10.7 Bus Access Parameter Register, BUSAPx
EBU_BUSAPx (x = 0-3)
EBU Bus Access Parameter Register
(100
H
+x*8
H
) Reset Value: FFFF FFFF
H
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
ADDRC 1 CMDDELAY WAITRDC WAITWRC BURSTC
rw rw rw rw rw rw
1514131211109876543210
DATAC RDRECOVC WRRECOVC DTARDWR DTACS
rw rw rw rw rw
Field Bits Type Description
DTACS [3:0] rw Recovery Cycles between Different Regions
This bit field determines the number of clock cycles of
the Recovery Phase between consecutive accesses
directed to different regions. The total number of this
type of Recovery Phase clock cycles is defined by
DTACS multiplied by the factor selected by
EBU_BUSCONx.CMULT (see also Page 13-47).
0000
B
No Recovery Phase clock cycles available.
0001
B
1 clock cycle selected.
…
B
…
1110
B
14 clock cycles selected.
1111
B
15 clock cycles selected.