MICROCHIP PIC18LF25K42-I/SO

The PIC18F24/25K42 microcontrollers are available in 28-pin devices. These devices feature a 12-bit ADC with Computation (ADC²) automating Capacitive Voltage Divider (CVD) techniques for advanced touch sensing, averaging, filtering, oversampling and threshold comparison, Temperature Sensor, Vectored Interrupt Controller with fixed latency for handling interrupts, System Bus Arbiter, Direct Memory Access capabilities, UART with support for Asynchronous, DMX, DALI and LIN transmissions, SPI, I²C, memory features like Memory Access Partition (MAP) to support customers in data protection and bootloader applications, and Device Information Area (DIA) which stores factory calibration values to help improve temperature sensor accuracy.

• C Compiler Optimized RISC Architecture
• Operating Speed: Up to 64 MHz clock input, 62.5 ns minimum instruction cycle
• Two Direct Memory Access (DMA) Controllers: Data transfers to SFR/GPR spaces from either Program Flash Memory, Data EEPROM or SFR/GPR spaces, User-programmable source and destination sizes, Hardware and software-triggered data transfers
• System Bus Arbiter with User-Configurable Priorities for Scanner and DMA1/DMA2 with Respect to the Main Line and Interrupt Execution
• Vectored Interrupt Capability: Selectable high/low priority, Fixed interrupt latency, Programmable vector table base address
• 31-Level Deep Hardware Stack
• Low-Current Power-on Reset (POR)
• Configurable Power-up Timer (PWRT)
• Brown-out Reset (BOR)
• Low-Power BOR (LPBOR) Option
• Windowed Watchdog Timer (WWDT): Variable prescaler selection, Variable window size selection, Configurable in hardware or software
• Up to 128 KB Flash Program Memory
• Up to 8 KB Data SRAM Memory
• Up to 1 KB Data EEPROM
• Memory Access Partition (MAP): Configurable boot and app region sizes with individual write-protections
• Programmable Code Protection
• Device Information Area (DIA) stores: Unique IDs and Device IDs, Temp Sensor factory-calibrated data, Fixed Voltage Reference calibrated data
• Device Configuration Information (DCI) Stores: Erase row size, Number of write latches per row, Number of user rows, Data EEPROM memory size, Pin count
• Operating Voltage Range: 2.7V to 5.5V
• Temperature Range: High-Temp: -40℃ to 150℃
• Doze mode: Ability to run CPU core slower than the system clock
• Idle mode: Ability to halt CPU core while internal peripherals continue operating
• Sleep mode: Lowest power consumption
• Peripheral Module Disable (PMD): Ability to disable unused peripherals to minimize power consumption
• Three 8-Bit Timers (TMR2/4/6) with Hardware Limit Timer (HLT): Hardware monitoring and Fault detection
• Four 16-Bit Timers (TMR0/1/3/5)
• Four Configurable Logic Cell (CLC): Integrated combinational and sequential logic
• Three Complementary Waveform Generators (CWGs): Rising and falling edge dead-band control, Full-bridge, half-bridge, 1-channel drive, Multiple signal sources, Programmable dead band, Fault-shutdown input
• Four Capture/Compare/PWM (CCP) Modules
• Four 10-Bit Pulse-Width Modulators (PWMs)
• Numerically Controlled Oscillator (NCO): Generates true linear frequency control, High resolution using 20-bit accumulator and 20-bit increment values
• DSM: Data Signal Modulator: Multiplex two carrier clocks, with glitch prevention feature, Multiple sources for each carrier
• Programmable CRC with Memory Scan: Reliable data/program memory monitoring for fail-safe operation (e.g., Class B), Calculate CRC over any portion of program memory or data EEPROM
• Two UART Modules: Modules are asynchronous and compatible with RS-232 and RS-485, One of the UART modules supports LIN master and slave, DMX-512 mode, DALI gear and device protocols, Automatic and user-timed BREAK period generation, DMA compatible, Automatic checksums, Programmable 1, 1.5, and 2 Stop bits, Wake-up on BREAK reception
• One SPI Module: Configurable length bytes, Configurable length data packets, Receive-without-transmit option, Transmit-without-receive option, Transfer byte counter, Separate transmit and receive buffers with 2-byte FIFO and DMA capabilities
• Two I²C Modules, SMBus, PMBus Compatible: Supports Standard-mode (100 kHz), Fastmode (400 kHz) and Fast-mode plus (1 MHz) modes of operation, Dedicated address, transmit and receive buffers, Bus collision detection with arbitration, Bus time-out detection and handling, Multi-Master mode, Separate transmit and receive buffers with 2-byte FIFO and DMA capabilities, I²C, SMBus 2.0 and SMBus 3.0, and 1.8V input level selections
• Device I/O Port Features: 24 I/O pins, One input-only pin (RE3), Individually programmable I/O direction, open-drain, slew rate, weak pull-up control, Interrupt-on-change (on up to 25 I/O pins), Three external interrupt pins
• Peripheral Pin Select (PPS): Enables pin mapping of digital I/O
• Signal Measurement Timer (SMT): 24-bit timer/counter with prescaler
• Analog-to-Digital Converter with Computation (ADC2): 12-bit with up to 35 external channels, Automated post-processing, Automated math functions on input signals: averaging, filter calculations, oversampling and threshold comparison, Operates in Sleep, Integrated charge pump for improved low-voltage operation
• Hardware Capacitive Voltage Divider (CVD): Automates touch sampling and reduces software size and CPU usage when touch or proximity sensing is required, Adjustable sample and hold capacitor array, Two guard ring output drives
• Temperature Sensor: Internal connection