LPC1114FHI33 NXP Semiconductors, LPC1114FHI33 Datasheet - Page 45
LPC1114FHI33
Manufacturer Part Number
LPC1114FHI33
Description
The LPC1114FHI33 is an ARM Cortex-M0 microcontroller and it can operate up to 50 MHz
Manufacturer
NXP Semiconductors
Datasheet
1.LPC1110FD20.pdf
(103 pages)
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NXP Semiconductors
LPC111X
Product data sheet
7.12.1 Features
7.14.1 Features
7.12 General purpose external event counter/timers
7.13 System tick timer
7.14 Watchdog timer (LPC1100 series, LPC111x/101/201/301)
The LPC1110/11/12/13/14/15 include two 32-bit counter/timers and two 16-bit
counter/timers. The counter/timer is designed to count cycles of the system derived clock.
It can optionally generate interrupts or perform other actions at specified timer values,
based on four match registers. Each counter/timer also includes up to two capture inputs
to trap the timer value when an input signal transitions, optionally generating an interrupt.
The ARM Cortex-M0 includes a system tick timer (SYSTICK) that is intended to generate
a dedicated SYSTICK exception at a fixed time interval (typically 10 ms).
Remark: The watchdog timer without windowed features is available on parts
LPC111x/101/201/301.
The purpose of the watchdog is to reset the microcontroller within a selectable time
period.
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Optional conversion on transition of input pin or timer match signal.
Individual result registers for each ADC channel to reduce interrupt overhead.
A 32-bit/16-bit timer/counter with a programmable 32-bit/16-bit prescaler.
Counter or timer operation.
Up to two capture channels per timer, that can take a snapshot of the timer value
when an input signal transitions. A capture event may also generate an interrupt.
Four match registers per timer that allow:
– Continuous operation with optional interrupt generation on match.
– Stop timer on match with optional interrupt generation.
– Reset timer on match with optional interrupt generation.
Up to four external outputs corresponding to match registers, with the following
capabilities:
– Set LOW on match.
– Set HIGH on match.
– Toggle on match.
– Do nothing on match.
Internally resets chip if not periodically reloaded.
Debug mode.
Enabled by software but requires a hardware reset or a watchdog reset/interrupt to be
disabled.
Incorrect/Incomplete feed sequence causes reset/interrupt if enabled.
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 1 March 2012
LPC1110/11/12/13/14/15
32-bit ARM Cortex-M0 microcontroller
© NXP B.V. 2012. All rights reserved.
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