PIC18LF55K42 Series

Catalog

IC MCU 8BIT 32KB FLASH 48TQFP

Part	Data Converters	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Program Memory Size	Package / Case	EEPROM Size	Connectivity	Supplier Device Package	Core Processor	Peripherals	Number of I/O	Mounting Type	Core Size	Operating Temperature [Max]	Operating Temperature [Min]	Program Memory Type	Speed	RAM Size	Oscillator Type
Microchip Technology PIC18LF55K42-I/PT	A/D 43x12b D/A 1x5b	1.8 V	3.6 V	32 KB	48-TQFP Exposed Pad	256 x 8	I2C LINbus SPI UART/USART	48-TQFP-EP (7x7)	PIC	Brown-out Detect/Reset LVD POR PWM WDT	44	Surface Mount	8-Bit	85 °C	-40 °C	FLASH	64 MHz	2K x 8	Internal
Microchip Technology PIC18LF55K42T-I/MV	A/D 43x12b D/A 1x5b	1.8 V	3.6 V	32 KB	48-UFQFN Exposed Pad	256 x 8	I2C LINbus SPI UART/USART	48-UQFN (6x6)	PIC	Brown-out Detect/Reset LVD POR PWM WDT	44	Surface Mount	8-Bit	85 °C	-40 °C	FLASH	64 MHz	2K x 8	Internal
Microchip Technology PIC18LF55K42-E/PT	A/D 43x12b D/A 1x5b	1.8 V	3.6 V	32 KB	48-TQFP Exposed Pad	256 x 8	I2C LINbus SPI UART/USART	48-TQFP-EP (7x7)	PIC	Brown-out Detect/Reset LVD POR PWM WDT	44	Surface Mount	8-Bit	125 °C	-40 °C	FLASH	64 MHz	2K x 8	Internal
Microchip Technology PIC18LF55K42-I/MV	A/D 43x12b D/A 1x5b	1.8 V	3.6 V	32 KB	48-UFQFN Exposed Pad	256 x 8	I2C LINbus SPI UART/USART	48-UQFN (6x6)	PIC	Brown-out Detect/Reset LVD POR PWM WDT	44	Surface Mount	8-Bit	85 °C	-40 °C	FLASH	64 MHz	2K x 8	Internal
Microchip Technology PIC18LF55K42T-I/PT	A/D 43x12b D/A 1x5b	1.8 V	3.6 V	32 KB	48-TQFP Exposed Pad	256 x 8	I2C LINbus SPI UART/USART	48-TQFP-EP (7x7)	PIC	Brown-out Detect/Reset LVD POR PWM WDT	44	Surface Mount	8-Bit	85 °C	-40 °C	FLASH	64 MHz	2K x 8	Internal

Catalog

Key Features

- Interrupt Vector Table

- Programmable single or dual priority

- Two level hardware context saving

- Eliminates need for CPU involvement in data transfers

- Access to all memory spaces and peripherals

- Flexible source and destination message sizes

- Programmable DMA priority

- Memory Access Partition (MAP) - Customize flash partitioning with bootloader write protection

- Device Information Area (DIA) - Dedicated memory area for data storage of temp sensor factory calibration value, factory ID and FVR values for ADC and COMP

- WDT: 500nA @ 1.8V typical

- SLEEP mode: 50nA @ 1.8V typical

- DOZE mode allows CPU to run at a lower clock speed than peripherals

- IDLE and SLEEP modes selectively shut down peripherals and/or core for power reduction

- [Averaging, filter calculations, oversampling and threshold comparison (ADCC)](https://www.microchip.com/en-us/products/microcontrollers-and-microprocessors/8-bit-mcus/core-independent-and-analog-peripherals/integrated-analog/analog-to-digital-converter-with-enhanced-features)

- [Automates touch sampling and reduces software size and CPU usage when touch or proximity sensing is required (ADCC)](https://www.microchip.com/en-us/products/microcontrollers-and-microprocessors/8-bit-mcus/core-independent-and-analog-peripherals/integrated-analog/analog-to-digital-converter-with-enhanced-features)

- [5-bit resolution, rail-to-rail (DAC)](https://www.microchip.com/en-us/products/microcontrollers-and-microprocessors/8-bit-mcus/core-independent-and-analog-peripherals/integrated-analog/digital-to-analog-converter)

- Unbuffered I/O pin output

- [Comparator hysteresis enable](https://www.microchip.com/en-us/products/microcontrollers-and-microprocessors/8-bit-mcus/core-independent-and-analog-peripherals/integrated-analog/comparator)

- Invert output polarity

- [Fixed Voltage Reference (FVR) module - 1.024V, 2.048V and 4.096V output levels](https://www.microchip.com/en-us/products/microcontrollers-and-microprocessors/8-bit-mcus/core-independent-and-analog-peripherals/integrated-analog/voltage-reference)

- [Senses high voltage AC signal (ZCD)](https://www.microchip.com/en-us/products/microcontrollers-and-microprocessors/8-bit-mcus/core-independent-and-analog-peripherals/integrated-analog/zero-cross-detect)

- [Generates interrupts on zero cross (ZCD)](https://www.microchip.com/en-us/products/microcontrollers-and-microprocessors/8-bit-mcus/core-independent-and-analog-peripherals/integrated-analog/zero-cross-detect)

- DMA compatible

- Asynchronous UART, RS-232, RS-485 compatible

- Programmable 1, 1.5, 2 stop bits

- Configurable length bytes

- Arbitrary length data packets

- Separate transmit and receive buffers with 2-byte FIFO and DMA capabilities

- SMBus, PMBUSTM compatible

- In-Circuit Debug Integrated On-Chip

- In-Circuit Serial Programing (ICSP) via Two Pins

Description

PIC18(L)FxxK42 MCUs integrate a rich set of core independent peripherals, intelligent analog peripherals and large Flash/RAM/EEPROM memories. These 28-, 40- and 48-pin devices also offer a host of low power features, performance improvements and design flexibility options that easily and rapidly enable the complex set of functions required by many of today's embedded control applications. [*PIC18F "K42" Product Family Overview*](https://ww1.microchip.com/downloads/en/devicedoc/40001877B.pdf) [*Watch livestream highlighting the K42*](https://www.youtube.com/watch?v=MK0ci7FHcdc&list=PL9B4edd-p2ajW8GFbsr3tK46ha1C2_bZe)