參數(shù)資料
型號(hào): i960 VH
廠商: Intel Corp.
英文描述: Embedded-PCI Processor(嵌入式PCI處理器)
中文描述: 嵌入式PCI處理器(嵌入式處理器的PCI)
文件頁(yè)數(shù): 45/64頁(yè)
文件大?。?/td> 851K
代理商: I960 VH
80960VH
Preliminary
Datasheet
45
4.4.4
I
2
C Interface Signal Timings
4.5
AC Test Conditions
The AC Specifications in
Section 4.4, AC Specifications (pg. 40)
are tested with the 50 pF load
indicated in .
Figure 8. AC Test Load
Table 29. I
2
C Interface Signal Timings
Symbol
Parameter
Std. Mode
Fast Mode
Units
Notes
Min
Max
Min
Max
F
SCL
SCL Clock Frequency
0
100
0
400
KHz
T
BUF
Bus Free Time Between STOP and START
Condition
4.7
1.3
μ
s
(1)
T
HDSTA
Hold Time (repeated) START Condition
4
0.6
μ
s
(1,3)
T
LOW
SCL Clock Low Time
4.7
1.3
μ
s
(1,2)
T
HIGH
SCL Clock High Time
4
0.6
μ
s
(1,2)
T
SUSTA
Setup Time for a Repeated START
Condition
4.7
0.6
μ
s
(1)
T
HDDAT
Data Hold Time
0
0
0.9
μ
s
(1)
T
SUDAT
Data Setup Time
250
100
ns
(1)
T
R
SCL and SDA Rise Time
1000
20+0.1C
b
300
ns
(1,4)
T
F
SCL and SDA Fall Time
300
20+0.1C
b
300
ns
(1,4)
T
SUSTO
Setup Time for STOP Condition
4
0.6
μ
s
(1)
NOTES:
1. See Figure 15, (pg. 48).
2. Not tested.
3. After this period, the first clock pulse is generated.
4. C
b
= the total capacitance of one bus line, in pF.
Output Ball
C
L
= 50 pF for all signals
C
L
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