Infineon Technologies TC1784, User Manual

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TC1784
LMB External Bus Unit
User´s Manual 12-59 V1.1, 2011-05
EBUT13L-A, V1.16
12.11.7 Bus Read Access Parameter Register, BUSRAPx
EBU_BUSRAPx (x = 0-3)
EBU Bus Read Access Parameter Register
(02C
H
+x*10
H
) Reset Value: FFFF FFFF
H
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
ADDRC AHOLDC CMDDELAY EXTDATA
EXTCLOCK
rw rw rw rw rw
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
DATAC WAITRDC RDRECOVC RDDTACS
rw rw rw rw
Field Bits Type Description
RDDTACS 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 or different types of
access. See
“Recovery Phase (RP)” on
Page 12-27
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.
RDRECOVC 6:4 rw Recovery Cycles after Read Accesses
This bit field determines the basic number of clock
cycles of the Recovery Phase at the end of read
accesses.
000
B
No Recovery Phase clock cycles available.
001
B
1 clock cycle selected.
…
B
…
110
B
6 clock cycles selected.
111
B
7 clock cycles selected.