LPC11U2X Datasheet, PDF (54/67 Pages) NXP Semiconductors – 32-bit ARM Cortex-M0 microcontroller; up to 32 kB flash; up to 10 kB SRAM and 4 kB EEPROM; USB device; USART

NXP Semiconductors
LPC11U2x
32-bit ARM Cortex-M0 microcontroller
11.4 Standard I/O pad configuration
Figure 30 shows the possible pin modes for standard I/O pins with analog input function:
• Digital output driver
• Digital input: Pull-up enabled/disabled
• Digital input: Pull-down enabled/disabled
• Digital input: Repeater mode enabled/disabled
• Analog input
pin configured
as digital output
driver
output
pin configured
as digital input
repeater mode
enable
output enable
pull-up enable
pull-down enable
V_DD
ESD
PIN
ESD
V_DD
V_SS
weak
pull-up
weak
pull-down
data input
pin configured
as analog input
analog input
select analog input
Fig 30. Standard I/O pad configuration
002aaf304
LPC11U2X
Preliminary data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 29 November 2011
© NXP B.V. 2011. All rights reserved.
54 of 67