lpc11c12 NXP Semiconductors, lpc11c12 Datasheet - Page 42

• Manufacturer Part Number: lpc11c12
• Description: 32-bit Cortex-m0 Microcontroller; 16/32 Flash, Sram; C_can
• Manufacturer: NXP Semiconductors

NXP Semiconductors
LPC11C12_C14_0
Preliminary 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 24
Fig 24. Standard I/O pad configuration
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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. 00.05 — 6 May 2010
data input
enable
output
output enable
pull-down enable
pull-up enable
select analog input
x1
and C
x2
should be chosen smaller
LPC11C12/C14
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