參數(shù)資料
型號(hào): STPCI2EEYC
廠商: STMICROELECTRONICS
元件分類: 外設(shè)及接口
英文描述: MULTIFUNCTION PERIPHERAL, PBGA516
封裝: PLASTIC, BGA-516
文件頁(yè)數(shù): 41/80頁(yè)
文件大小: 854K
代理商: STPCI2EEYC
ELECTRICAL SPECIFICATIONS
Issue 0.4 - July 16, 2001
46/80
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
4.5.2 ISA INTERFACE AC TIMING CHARACTERISTICS
Figure 4-2 ISA Cycle (ref Table 4-10)
Note 1: Stands for SMEMR#, SMEMW#, MEMR#, MEMW#, IOR# & IOW#.
The clock has not been represented as it is dependent on the ISA Slave mode.
Table 4-10. ISA Bus AC Timing
Name
Parameter
Min
Max
Units
2
LA[23:17] valid before ALE# negated
5T
Cycles
3
LA[23:17] valid before MEMR#, MEMW# asserted
3a Memory access to 16-bit ISA Slave
5T
Cycles
3b Memory access to 8-bit ISA Slave
5T
Cycles
9
SA[19:0] & SBHE valid before ALE# negated
1T
Cycles
10
SA[19:0] & SBHE valid before MEMR#, MEMW# asserted
10a Memory access to 16-bit ISA Slave
2T
Cycles
10b Memory access to 8-bit ISA Slave
2T
Cycles
10
SA[19:0] & SHBE valid before SMEMR#, SMEMW# asserted
10c Memory access to 16-bit ISA Slave
2T
Cycle
10d Memory access to 8-bit ISA Slave
2T
Cycle
10e
SA[19:0] & SBHE valid before IOR#, IOW# asserted
2T
Cycles
11
XTALO to IOW# valid
Note: The signal numbering refers to Table 4-2
Valid AENx
Valid Address
Valid Address, SBHE*
V.Data
VALIDDATA
54
28
26
64
59
58
55
28
23
61
48
47
26
23
57
27
24
42
41
10
11
34
33
3
22
56
29
25
9
18
2
12
38
37
15
14
13
12
ALE
AEN
LA [23:17 ]
SA [1 9:0]
CONTROL (Note 1)
IOCS16 #
MCS16#
IOCHRDY
READ DATA
WRITE DATA
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