Datasheet

LPC82x All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 1 — 1 October 2014 53 of 81
NXP Semiconductors
LPC82x
32-bit ARM Cortex-M0+ microcontroller
12.3.1 I/O pins
[1] Applies to standard port pins and RESET pin.
12.3.2 WKTCLKIN pin (wake-up clock input)
[1] Assuming a square-wave input clock.
12.3.3 SCTimer/PWM output timing
12.3.4 I
2
C-bus
Table 15. Dynamic characteristics: I/O pins
[1]
T
amb
=  40  C to +105  C; 3.0 V  V
DD
 3.6 V.
Symbol Parameter Conditions Min Typ Max Unit
t
r
rise time pin configured as output 3.0 - 5.0 ns
t
f
fall time pin configured as output 2.5 - 5.0 ns
Table 16. Dynamic characteristics: WKTCLKIN pin
T
amb
=  40  C to +105  C; 1.8 V  V
DD
 3.6 V.
Symbol Parameter Conditions Min Max Unit
f
clk
clock frequency deep power-down mode and
power-down mode
[1]
-1MHz
deep-sleep, sleep, and active mode
[1]
-10MHz
t
CHCX
clock HIGH time - 50 - ns
t
CLCX
clock LOW time - 50 - ns
Table 17. SCTimer/PWM output dynamic characteristics
T
amb
=  40  C to 105  C; 2.4 V <= V
DD
<= 3.6 V; C
L
= 10 pF. Simulated skew (over process, voltage,
and temperature) of any two SCT output signals routed to standard I/O pins; sampled at the 50 %
level of the falling or rising edge; values guaranteed by design.
Symbol Parameter Conditions Min Typ Max Unit
t
sk(o)
output skew time - - - 4 ns
Table 18. Dynamic characteristic: I
2
C-bus pins
[1]
T
amb
=  40  C to +105  C; values guaranteed by design.
[2]
Symbol Parameter Conditions Min Max Unit
f
SCL
SCL clock
frequency
Standard-mode 0 100 kHz
Fast-mode 0 400 kHz
Fast-mode Plus; on
pins PIO0_10 and
PIO0_11
01MHz
t
f
fall time
[4][5][6][7]
of both SDA and
SCL signals
Standard-mode
- 300 ns
Fast-mode 20 + 0.1  C
b
300 ns
Fast-mode Plus;
on pins PIO0_10
and PIO0_11
- 120 ns