參數(shù)資料
型號: RC32434-350BC
廠商: Integrated Device Technology, Inc.
英文描述: IDT TInterprise Integrated Communications Processor
中文描述: IDT公司TInterprise集成通信處理器
文件頁數(shù): 30/53頁
文件大?。?/td> 444K
代理商: RC32434-350BC
30 of 53
January 19, 2006
IDT RC32434
Figure 14 I2C AC Timing Waveform
\
Figure 15 GPIO AC Timing Waveform
Start or repeated start
condition
Tsu_12c
SDA falling
0.6
0.6
0.6
0.6
μ
s
μ
s
μ
s
μ
s
400 KHz
See Figure 14.
Thld_12c
0.6
0.6
0.6
0.6
Stop condition
Tsu_12d
SDA rising
0.6
0.6
0.6
0.6
Bus free time between
a stop and start condi-
tion
Tdelay_12e
1.3
1.3
1.3
1.3
1.
For more information, see the I
2
C-Bus specification by Philips Semconductor.
S ignal
S ymbol
Referenc e
Edge
266MHz
300MHz
350MHz
400MHz
Unit
Condi-
tions
T iming
Diagram
Referenc e
Mn
Max
Mn
Max
Min
Max
Mn
Max
GPIO
GPIO[13:0]
Tpw_13b
1
1.
The values for this symbol were determned by calculation, not by testing.
None
2(ICLK)
2(ICLK)
2(ICLK)
2(ICLK)
ns
See Figure 15.
Table 12 GPIO AC Timing Characteristics
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
Table 11 I
2
C AC Timing Characteristics (Part 2 of 2)
Tsu_12d
Thld_12c
Tsu_12c
Tsu_12b
Thld_12b
Thigh_12a
Thld_12c
Tlow_12a
SDA
SCL
Tdelay_12e
GPIO (asynchronous input)
Tpw_13b
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