Datasheet
LPC540xx All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet Rev. 1.8 — 22 June 2018 99 of 168
NXP Semiconductors
LPC540xx
32-bit ARM Cortex-M4 microcontroller
10.4.1 Electrical pin characteristics
Fig 17. Pin input/output current measurement
aaa-010819
+
-
pin PIO0_n
I
OH
Ipu
-
+
pin PIO0_n
I
OL
I
pd
V
DD
A
A
Conditions: V
DD
= 1.8 V; on pins PIO0_13 to PIO0_14. Conditions: V
DD
= 3.3 V; on pins PIO0_13 to PIO0_16.
Fig 18. I
2
C-bus pins (high current sink): Typical LOW-level output current I
OL
versus LOW-level output voltage
V
OL
DDD
9
2/
9
,
2/2/
,
2/
P$P$P$
&&&
&&&
&&&
&&&
DDD
9
2/
9
,
2/2/
,
2/
P$P$P$
&&&
&&&
&&&
&&&