lpc1756 NXP Semiconductors, lpc1756 Datasheet - Page 49

• Manufacturer Part Number: lpc1756
• Description: 32-bit Arm Cortex-m3 Mcu Up To 512 Kb Flash And 64 Kb Sram With Ethernet, Usb 2.0 Host/device/otg, Can
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 12.
T
[1]
[2]
[3]
LPC1758_56_54_52_51_2
Objective data sheet
Symbol
I
t
t
t
t
t
t
t
t
t
t
2
f(o)
r
f
BUF
LOW
HD;STA
HIGH
SU;DAT
SU;STA
SU;STO
amb
Fig 17. I
C-bus pins (P0[27] and P0[28])
Parameters are valid over operating temperature range unless otherwise specified.
Typical ratings are not guaranteed. The values listed are at room temperature (25 C), nominal supply voltages.
Bus capacitance C
= 40 C to +85 C; V
SDA
SCL
2
Dynamic characteristic: I
C-bus pins clock timing
P
11.4 I
Parameter
output fall time
rise time
fall time
bus free time between a STOP and
START condition
LOW period of the SCL clock
hold time (repeated) START
condition
HIGH period of the SCL clock
data set-up time
set-up time for a repeated START
condition
set-up time for STOP condition
t
BUF
b
in pF, from 10 pF to 400 pF.
2
S
t
HD;STA
DD(3V3)
C-bus
t
over specified ranges.
LOW
2
C-bus pins
t
t
HD;STA
r
Rev. 02 — 11 February 2009
t
HIGH
[1]
Conditions
V
-
-
-
-
-
-
-
IH
to V
t
f
IL
t
SU;DAT
S
LPC1758/56/54/52/51
Min
20 + 0.1
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
t
SU;STA
32-bit ARM Cortex-M3 microcontroller
C
b
t
HD;STA
[3]
Typ
-
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
[2]
© NXP B.V. 2009. All rights reserved.
Max
-
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
<tbd>
002aad985
t
SU;STO
P
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Unit
ns