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32581C
Symbol
Parameter
t
IOCHRDY valid after IOR#/MEMR#/
RDYA2
RD#/DOCR#/IOW#/MEMW#/WR#/
DOCW# FE
t
IOCS[1:0]#/DOCS#/ROMCS# driven
IOCSA
active from A[23:0] valid
t
IOCS[1:0]#/DOCS#/ROMCS# valid
IOCSH
hold after A[23:0] invalid
t
A[23:0]/BHE# valid before MEMR#/
AR1
DOCR# active
t
A[23:0]/BHE# valid before IOR#
AR2
active
t
A[23:0]/BHE# valid before MEMR#/
AR3
DOCR#/IOR# active
t
A[23:0]/BHE# valid hold after
RA
MEMR#/DOCR#/IOR# inactive
t
Read data D[15:0] valid setup before
RVDS
MEMR#/DOCR#/IOR# inactive
t
Read data D[15:0] valid hold after
RDH
MEMR#/DOCR#/IOR# inactive
t
Read data floating after MEMR#/
HZ
DOCR#/IOR# inactive
t
A[23:0]/BHE# valid before MEMW#/
AW1
DOCW# active
t
A[23:0]/BHE# valid before IOW#
AW2
active
t
A[23:0]/BHE# valid before MEMW#/
AW3
DOCW#/IOW# active
t
A[23:0]/BHE# valid hold after
WA
MEMW#/DOCW#/IOW# invalid
t
Write data D[15:0] valid after
DV1
MEMW#/DOCW# active
t
Write data D[15:0] valid after IOW#
DV2
active
t
Write data D[15:0] valid after IOW#
DV3
active
t
TRDE# inactive after MEMW#/
WTR
DOCW#/IOW# inactive
t
Write data D[15:0] after MEMW#/
DH
DOCW#/IOW# inactive
t
Write data D[15:0] goes TRI-STATE
DF
after MEMW#/DOCW#/IOW# inactive
t
Write data D[15:0] after read MEMR#/
WDAR
DOCR#/IOR#
378
Table 9-21. Sub-ISA Timing Parameters (Continued)
Bus
Width
(Bits)
8
8, 16
8, 16
16
16
8
8, 16
8, 16
8, 16
8, 16
16
16
8
8, 16
8, 16
8
16
8, 16
8, 16
8, 16
8, 16
Min
Max
Type
(ns)
(ns)
M, I/O
366
M, I/O
34
M, I/O
0
M
34
I/O
100
M, I/O
100
M, I/O
25
M, I/O
24
M, I/O
0
M, I/O
41
M
34
I/O
100
M, I/O
100
M, I/O
25
M
40
I/O
40
I/O
-23
M, I/O
20
M, I/O
45
M, I/O
105
M, I/O
41
AMD Geode™ SC3200 Processor Data Book
Electrical Specifications
Figure
Comments
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