Datasheet

LPC178X_7X All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 5 — 9 September 2014 105 of 122
NXP Semiconductors
LPC178x/7x
32-bit ARM Cortex-M3 microcontroller
14.5 Reset pin configuration
14.6 Reset pin configuration for RTC operation
Under certain circumstances, the RTC may temporarily pause and lose fractions of a
second during the rising and falling edges of the RESET
signal.
Fig 38. Standard I/O pin configuration with analog input
PIN
V
DD
V
DD
ESD
V
SS
ESD
strong
pull-up
strong
pull-down
V
DD
weak
pull-up
weak
pull-down
open-drain enable
output enable
repeater mode
enable
pull-up enable
pull-down enable
data output
data input
analog input
select analog input
002aaf272
pin configured
as digital output
driver
pin configured
as digital input
pin configured
as analog input
Fig 39. Reset pin configuration
V
SS
reset
002aaf274
V
DD
V
DD
V
DD
R
pu
ESD
ESD
20 ns RC
GLITCH FILTER
PIN