PIC16LF1554-I/P

The PIC16LF1554/1559 microcontrollers with Microchip enhanced mid-range core deliver unique on-chip features for the design of mTouch™ solutions and general purpose applications in 14/20-pin count packages. Up to 17 analog channels connecting to two 10-bit ADCs with automated hardware CVD modules, two PWMs and multiple communication peripherals offer an excellent solution to implement capacitive sensing and other front-end sampling applications with minimal software overhead.

Key features

• Only 49 Instructions to Learn
• Operating Speed: - DC – 32 MHz clock input - DC – 125 ns instruction cycle
• Interrupt Capability with Automatic Context Saving
• 16-Level Deep Hardware Stack with Optional Overflow/Underflow Reset
• Direct, Indirect and Relative Addressing modes: - Two full 16-bit File Select Registers (FSRs) - FSRs can read program and data memory
• Precision 16 MHz Internal Oscillator: - Factory calibrated to ±1%, typical - Software selectable frequency range from 32 MHz to 31 kHz
• 31 kHz Low-Power Internal Oscillator
• 4x Phase-Locked Loop (PLL)
• Power-Saving Sleep mode
• Power-on Reset (POR)
• Power-up Timer (PWRT)
• BOR with Selectable Trip Point
• Low-Power Brown-Out Reset (LPBOR)
• Extended Watchdog Timer (WDT)
• In-Circuit Serial Programming (ICSP) via Two Pins
• In-Circuit Debug (ICD) via Two Pins
• Enhanced Low-Voltage Programming (LVP)
• Operating Voltage Range: - 1.8V to 3.6V
• Programmable Code Protection
• Self-Programmable under Software Control
• Standby Current: - 30 nA @ 1.8V, typical
• Operating Current: - 75 μA @ 1 MHz, 1.8V, typical
• Low-Power Watchdog Timer Current: - 500 nA @ 1.8V, typical
• Up to 17 I/O Pins and One Input-only Pin: - High current sink/source for LED drivers - Individually programmable interrupt-onchange pins - Individually programmable weak pull-ups
• Timer0: 8-Bit Timer/Counter with 8-Bit Programmable Prescaler
• Enhanced Timer1: - 16-bit timer/counter with prescaler - External Gate Input mode
• Timer2 modules: 8-Bit Timer/Counter with 8-Bit Period Register, Prescaler and Postscaler
• Two PWM modules
• Two Analog-to-Digital Converters (ADC): - 10-bit resolution - Up to 17 channels - Simultaneous sampling on two ADCs - Connect multiple channels together for sampling - External conversion trigger - Flexible analog channel selection - Conversion during Sleep - Fixed Voltage Reference as channel - External pin as ADC positive reference - Temp sensor channel input
• Voltage Reference module: - Fixed Voltage Reference (FVR) with 1.024V and 2.048V output levels
• Hardware Capacitive Voltage Divider (CVD): - Double-sample conversions - Two sets of result registers - Inverted acquisition - 7-bit pre-charge timer - 7-bit acquisition timer - Two guard ring output drives - 30 pF adjustable sample and hold capacitor array
• Master Synchronous Serial Port (MSSP) with SP and I²C with: - 7-bit address masking - SMBus/PMBus compatibility
• Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART): - RS-232, RS-485 and LIN compatible - Auto-Baud Detect - Auto-wake-up on start