參數(shù)資料
型號: STPCC0390BTC3
廠商: STMICROELECTRONICS
元件分類: 外設(shè)及接口
英文描述: MULTIFUNCTION PERIPHERAL, PBGA388
封裝: PLASTIC, BGA-388
文件頁數(shù): 26/59頁
文件大?。?/td> 932K
代理商: STPCC0390BTC3
ELECTRICAL SPECIFICATIONS
32/59
Issue 1.1 - October 16, 2000
Figure 4-2 ISA Cycle (ref table Table 4-9)
Note 1; Stands for SMEMR#, SMEMW#, MEMR#, MEMW#, IOR# & IOW#.
Note; The clock has not been represented as it cannot be accuratly represented depending on the ISA Slave mode.
Table 4-9. ISA Bus AC Timing
Name
Parameter
Min
Max
Units
24
LA[23:17] valid before ALE# negated
5T
Cycles
34
LA[23:17] valid before MEMR#, MEMW# asserted
3a4 Memory access to 16 bit ISA Slave
5T
Cycles
3b4 Memory access to 8 bit ISA Slave
5T
Cycles
94
SA[19:0] & SBHE valid before ALE# negated
1T
Cycles
104
SA[19:0] & SBHE valid before MEMR#, MEMW# asserted
10a4 Memory access to 16 bit ISA Slave
2T
Cycles
10b4 Memory access to 8 bit ISA Slave
2T
Cycles
104
SA[19:0] & SHBE valid before SMEMR#, SMEMW# asserted
10c4 Memory access to 16 bit ISA Slave
2T
Cycle
10d4 Memory access to 8 bit ISA Slave
2T
Cycle
10e4
SA[19:0] & SBHE valid before IOR#, IOW# asserted
2T
Cycles
114
XTALO to IOW# valid
11a4 Memory access to 16 bit ISA Slave - 2BCLK
2T
Cycles
11b4 Memory access to 16 bit ISA Slave - Standard 3BCLK
2T
Cycles
Note; The signal numbering refers to Table 4-2
Note 4; These timings are extracted from simulations and are not garanteed by testing
Valid AENx
Valid Address
Valid Address, SBHE*
V.Data
VALID D ATA
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 [19:0]
CONTROL (Note 1)
IOCS16#
MCS16#
IOCHRDY
READ DATA
WRITE DATA
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