LPC1111 NXP [NXP Semiconductors], LPC1111 Datasheet - Page 50

• Manufacturer Part Number: LPC1111
• Description: 32-bit ARM Cortex-M0 microcontroller; up to 32 kB flash and 8 kB SRAM
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
LPC1111_12_13_14_1
Product data sheet
11.4 Standard I/O pad configuration
order to keep the noise coupled in via the PCB as small as possible. Also parasitics
should stay as small as possible. Values of C
accordingly to the increase in parasitics of the PCB layout.
Figure 26
Fig 26. Standard I/O pad configuration
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•
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as digital output
as analog input
as digital input
pin configured
pin configured
pin configured
Digital output driver
Digital input: Pull-up enabled/disabled
Digital input: Pull-down enabled/disabled
Digital input: Repeater mode enabled/disabled
Analog input
driver
shows the possible pin modes for standard I/O pins with analog input function:
All information provided in this document is subject to legal disclaimers.
repeater mode
analog input
Rev. 01 — 16 April 2010
data input
enable
output
output enable
pull-down enable
pull-up enable
select analog input
x1
and C
32-bit ARM Cortex-M0 microcontroller
LPC1111/12/13/14
x2
should be chosen smaller
V
DD
weak
pull-up
weak
pull-down
© NXP B.V. 2010. All rights reserved.
V
ESD
DD
ESD
V
SS
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PIN