lpc1759 NXP Semiconductors, lpc1759 Datasheet - Page 65

• Manufacturer Part Number: lpc1759
• Description: Lpc17xx Device Highlight
• Manufacturer: NXP Semiconductors

NXP Semiconductors
LPC1759_58_56_54_52_51_4
Product data sheet
14.5 Standard I/O pin configuration
Figure 34
The default configuration for standard I/O pins is input with pull-up enabled. The weak
MOS devices provide a drive capability equivalent to pull-up and pull-down resistors.
Fig 34. Standard I/O pin configuration with analog input
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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: Open-drain mode enabled/disabled
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.
open-drain enable
repeater mode
output enable
analog input
data output
Rev. 04.02 — 1 April 2010
data input
enable
pull-down enable
LPC1759/58/56/54/52/51
pull-up enable
select analog input
32-bit ARM Cortex-M3 microcontroller
V
V
DD
DD
strong
pull-up
strong
pull-down
weak
pull-up
weak
pull-down
© NXP B.V. 2010. All rights reserved.
V
ESD
DD
ESD
V
SS
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