Download LPC3141/3143

D
D
R
R
R
R
R
D
D
D
A
A
A
A
A
D
R
R
A
A
FT
FT
FT
FT
A
A
R
R
D
D
D
D
R
R
A
FT
FT
FT
A
A
R
R
D
D
D
F
FT
FT
A
A
A
tr
R
R
R
tf
D
D
D
Tcy
FT
FT
FT
FT
FT
LPC3141/3143
NXP Semiconductors
D
FT
FT
A
A
R
R
D
I2SRX_SCK
D
D
R
A
tWL
FT
tWH
D
R
A
I2SRX_SDA
tsu(D)
thD)
I2SRX_WS
tsu(D)
002aad993
th2
Fig 26. I2S-bus timing (input)
9.8 I2C-bus
Table 25. Dynamic characteristic: I2C-bus pins
Tamb = −40 °C to +85 °C.[1]
Symbol
Parameter
Conditions
Min
Typ[2]
Max
Unit
fSCL
SCL clock frequency
Standard mode
0
<tbd>
100
kHz
Fast mode
0
<tbd>
400
kHz
-
-
ns
tf(o)
output fall time
VIH to VIL
20 + 0.1 ×
tr
rise time
Standard mode
<tbd>
<tbd>
1000
ns
Fast mode
20 + 0.1 × Cb[3]
<tbd>
300
ns
Standard mode
<tbd>
<tbd>
300
ns
Fast mode
20 + 0.1 ×
<tbd>
300
ns
fall time
tf
Cb[3]
Cb[3]
tBUF
bus free time between a STOP and
START condition
-
<tbd>
<tbd>
<tbd>
tLOW
LOW period of the SCL clock
Standard mode
4.7
<tbd>
<tbd>
μs
Fast mode
1.3
<tbd>
<tbd>
μs
tHD;STA
hold time (repeated) START
condition
-
<tbd>
<tbd>
<tbd>
tHIGH
HIGH period of the SCL clock
Standard mode
4.0
<tbd>
<tbd>
μs
Fast mode
0.6
<tbd>
<tbd>
μs
Standard mode
250
<tbd>
<tbd>
ns
Fast mode
100
<tbd>
<tbd>
ns
tSU;DAT
data set-up time
tSU;STA
set-up time for a repeated START
condition
-
<tbd>
<tbd>
<tbd>
tSU;STO
set-up time for STOP condition
Standard mode
4.0
<tbd>
<tbd>
μs
Fast mode
0.6
<tbd>
<tbd>
μs
[1]
Parameters are valid over operating temperature range unless otherwise specified.
[2]
Typical ratings are not guaranteed. The values listed are at room temperature (25 °C), nominal supply voltages.
[3]
Bus capacitance Cb in pF, from 10 pF to 400 pF.
LPC3141_3143
Preliminary data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 0.16 — 27 May 2010
© NXP B.V. 2010. All rights reserved.
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