STPCI01 STMicroelectronics, STPCI01 Datasheet - Page 47

• Manufacturer Part Number: STPCI01
• Description: STPC INDUSTRIAL - PC COMPATIBLE EMBEDED MICROPROC
• Manufacturer: STMicroelectronics

Table 4-8. ISA Bus AC Timing
Note; The signal numbering refers to
Name
13e
18a
18a
12
13
13
14
15
22
23
23
23
24
24
24
11e
Parameter
ALE# asserted before ALE# negated
ALE# asserted before MEMR#, MEMW# asserted
ALE# asserted before SMEMR#, SMEMW# asserted
ALE# asserted before IOR#, IOW# asserted
ALE# asserted before AL[23:17]
ALE# asserted before MEMR#, MEMW#, SMEMR#, SMEMW# negated
ALE# negated before LA[23:17] invalid (non compressed)
ALE# negated before LA[23:17] invalid (compressed)
MEMR#, MEMW# asserted before LA[23:17]
MEMR#, MEMW# asserted before MEMR#, MEMW# negated
SMEMR#, SMEMW# asserted before SMEMR#, SMEMW# negated
IOR#, IOW# asserted before IOR#, IOW# negated
MEMR#, MEMW# asserted before SA[19:0]
SMEMR#, SMEMW# asserted before SA[19:0]
24h
24i
24k
24l
IOR#, IOW# asserted before SA[19:0]
24o
24r
11a Memory access to 16 bit ISA Slave - 2BCLK
11b Memory access to 16 bit ISA Slave - Standard 3BCLK
11d Memory access to 8 bit ISA Slave - 2BCLK
13a Memory Access to 16 bit ISA Slave
13b Memory Access to 8 bit ISA Slave
13d Memory Access to 8 bit ISA Slave
14a Non compressed
14b Compressed
15a Memory Access to 16 bit ISA Slave- 4 BCLK
15e Memory Access to 8 bit ISA Slave- Standard Cycle
22a Memory access to 16 bit ISA Slave.
22b Memory access to 8 bit ISA Slave.
23b Memory access to 16 bit ISA Slave Standard cycle
23e Memory access to 8 bit ISA Slave Standard cycle
23h Memory access to 16 bit ISA Slave Standard cycle
23o Memory access to 16 bit ISA Slave Standard cycle
24b Memory access to 16 bit ISA Slave Standard cycle
24d Memory access to 8 bit ISA Slave - 3BLCK
24e Memory access to 8 bit ISA Slave Standard cycle
11c Memory access to 16 bit ISA Slave - 4BCLK
13c Memory Access to 16 bit ISA Slave
23r Memory access to 8 bit ISA Slave Standard cycle
24f Memory access to 8 bit ISA Slave - 7BCLK
23l Memory access to 16 bit ISA Slave Standard cycle
Memory access to 8 bit ISA Slave - Standard 3BCLK
Memory access to 16 bit ISA Slave Standard cycle
Memory access to 16 bit ISA Slave - 4BCLK
Memory access to 8 bit ISA Slave - 3BCLK
Memory access to 8 bit ISA Slave Standard cycle
I/O access to 16 bit ISA Slave Standard cycle
I/O access to 16 bit ISA Slave Standard cycle
Table 4-8
Issue 2.4 - February 11, 2002
ELECTRICAL SPECIFICATIONS
14T
14T
Min
15T
15T
11T
11T
13T
13T
10T
10T
10T
10T
10T
10T
10T
10T
19T
19T
2T
2T
2T
2T
2T
1T
2T
2T
2T
2T
2T
9T
9T
9T
9T
9T
9T
Max
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Cycles
Units
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