參數(shù)資料
型號(hào): ISP1109
廠商: NXP Semiconductors N.V.
英文描述: Universal Serial Bus transceiver with carkit support
中文描述: 與車載通用串行總線收發(fā)器支持
文件頁(yè)數(shù): 44/59頁(yè)
文件大?。?/td> 295K
代理商: ISP1109
9397 750 13355
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 14 July 2005
44 of 59
Philips Semiconductors
ISP1109
USB transceiver with carkit support
[1]
C
b
is the capacitive load for each bus line in pF. If mixed with high-speed mode devices, faster fall times are allowed.
Table 61:
Symbol
Characteristics of I/O stages of I
2
C-bus lines (SDA, SCL)
Parameter
Conditions
Standard mode
Min
0
4.0
Fast mode
Min
0
0.6
Unit
Max
100
Max
400
f
SCL
t
HD;STA
SCL clock frequency
hold time for the START
condition
LOW period of the SCL clock
HIGH period of the SCL clock
setup time for the START
condition
data setup time
data hold time
rise time
fall time
setup time for the STOP
condition
bus free time between a
STOP and START condition
kHz
μ
s
-
-
t
(SCL)L
t
(SCL)H
t
SU;STA
4.7
4.0
4.7
-
-
-
1.3
0.6
0.6
-
-
-
μ
s
μ
s
μ
s
t
SU;DAT
t
HD:DAT
t
r
t
f
t
SU;STO
250
0
-
-
4.0
-
-
100
0
-
ns
μ
s
ns
ns
μ
s
0.9
300
300
-
SDA and SCL signals
SDA and SCL signals
1000
300
-
20 + 0.1 C
b
[1]
20 + 0.1 C
b
[1]
0.6
t
BUF
4.7
-
1.3
-
μ
s
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