LPC84X datasheet(3/97 Pages) NXP

3 / 97 page

LPC84x

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Product data sheet

Rev. 1.7 — 27 February 2018

3 of 97

NXP Semiconductors

LPC84x

32-bit Arm Cortex-M0+ microcontroller



Free Running Oscillator (FRO). This oscillator provides a selectable 18 MHz, 24

MHz, and 30 MHz outputs that can be used as a system clock. Also, these outputs

can be divided down to 1.125 MHz, 1.5 MHz, 1.875 MHz, 9 MHz, 12 MHz, and 15

MHz for system clock. The FRO is trimmed to

1 % accuracy over the entire

voltage and temperature range of 0 C to 70 C.



Low power boot at 1.5 MHz using FAIM memory.



External clock input for clock frequencies of up to 25 MHz.



Crystal oscillator with an operating range of 1 MHz to 25 MHz.



Low power oscillator can be used as a clock source to the watchdog timer.



Programmable watchdog oscillator with a frequency range of 9.4 kHz to 2.3 MHz.



PLL allows CPU operation up to the maximum CPU rate without the need for a

high-frequency crystal. May be run from the system oscillator, the external clock

input, or the internal FRO.



Clock output function with divider that can reflect all internal clock sources.



Power control:



Reduced power modes: sleep mode, deep-sleep mode, power-down mode, and

deep power-down mode.



Wake-up from deep-sleep and power-down modes on activity on USART, SPI, and

I2C peripherals.



Timer-controlled self wake-up from deep power-down mode.



Power-On Reset (POR).



Brownout detect (BOD).



Unique device serial number for identification.



Single power supply (1.8 V to 3.6 V).



Operating temperature range -40 °C to +105 °C.



Available in LQFP64, LQFP48, HVQFN48, and HVQFN33 packages.

3. Applications



Sensor gateways



Simple motor control



Industrial



Portables and wearables



Gaming controllers



Lighting



8/16-bit applications



Motor control



Consumer



Fire and security applications



Climate control

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