參數資料
型號: 79RC32435
廠商: Integrated Device Technology, Inc.
英文描述: IDTTM InterpriseTM Integrated Communications Processor
中文描述: IDTTM InterpriseTM集成通信處理器
文件頁數: 29/53頁
文件大小: 444K
代理商: 79RC32435
29 of 53
January 19, 2006
IDT 79RC32435
Figure 13 PCI AC Timing Waveform — PCI Reset in Satellite Mode
S ignal
S ymbol
Reference
Edge
266MHz
300MHz
350MHz
400MHz
Unit
Conditions
T iming
Diagram
Referenc e
Mn
Max
Mn
Max
Mn
Max
Mn
Max
I
2
C
1
SCL
Frequency
none
0
100
0
100
0
100
0
100
kHz
100 KHz
See Figure 14.
Thigh_12a,
Tlow_12a
4.0
4.0
4.0
4.0
μ
s
Trise_12a
1000
1000
1000
1000
ns
Tfall_12a
300
300
300
300
ns
SDA
Tsu_12b
SCL rising
250
250
250
250
ns
Thld_12b
0
3.45
0
3.45
0
3.45
0
3.45
μ
s
Trise_12b
1000
1000
1000
1000
ns
Tfall_12b
300
300
300
300
ns
Start or repeated start
condition
Tsu_12c
SDA falling
4.7
4.7
4.7
4.7
μ
s
μ
s
μ
s
μ
s
Thld_12c
4.0
4.0
4.0
4.0
Stop condition
Tsu_12d
SDA rising
4.0
4.0
4.0
4.0
Bus free time between
a stop and start condi-
tion
Tdelay_12e
4.7
4.7
4.7
4.7
SCL
Frequency
none
0
400
0
400
0
400
0
400
kHz
400 KHz
Thigh_12a,
Tlow_12a
0.6
0.6
0.6
0.6
μ
s
Trise_12a
300
300
300
300
ns
Tfall_12a
300
300
300
300
ns
SDA
Tsu_12b
SCL rising
100
100
100
100
ns
Thld_12b
0
0.9
0
0.9
0
0.9
0
0.9
μ
s
Trise_12b
300
300
300
300
ns
Tfall_12ba
300
300
300
300
ns
Table 11 I
2
C AC Timing Characteristics (Part 1 of 2)
Tdz_10e
Tpw_10e
warmreset
CLKP
PCIRSTN (input)
RSTN
MDATA[15:0]
PCI bus signals
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79RC32H435-266BC IDTTM InterpriseTM Integrated Communications Processor
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