High-Performance RISC CPU:

• C Compiler Optimized Architecture

• Only 49 Instructions

• Operating Speed:

- DC – 20 MHz clock input

- DC – 200 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

Flexible Oscillator Structure:

• 16 MHz Internal Oscillator Block:

- Factory calibrated to ±1, typical

- Software selectable frequency range from 16 MHz to 31 kHz

• 31 kHz Low-Power Internal Oscillator

• Three External Clock modes up to 20 MHz

Special Microcontroller Features:

• Operating Voltage Range:

- 1.8V to 3.6V (PIC16LF1503)

- 2.3V to 5.5V (PIC16F1503)

• Self-Programmable under Software Control

• Power-on Reset (POR)

• Power-up Timer (PWRT)

• Programmable Low-Power Brown-out Reset (LPBOR)

• Extended Watchdog Timer (WDT):

- Programmable period from 1 ms to 256s

• Programmable Code Protection

• In-Circuit Serial Programming™ (ICSP™) via Two Pins

• Enhanced Low-Voltage Programming (LVP)

• In-Circuit Debug (ICD) via Two Pins

• Power-Saving Sleep mode:

- Low-Power Sleep mode

- Low-Power BOR (LPBOR)

• Integrated Temperature Indicator

• 128 Bytes High-Endurance Flash

- 100,000 write Flash endurance (minimum)

Memory:

• 2 Kwords Linear Program Memory Addressing

• 128 bytes Linear Data Memory Addressing

• High-Endurance Flash Data Memory (HEF)

- 128 bytes if nonvolatile data storage

- 100k erase/write cycles

eXtreme Low-Power (XLP) Features (PIC16LF1503):

• Sleep Current:

- 20 nA @ 1.8V, typical

• Watchdog Timer Current:

- 260 nA @ 1.8V, typical

• Operating Current:

- 30 μA/MHz @ 1.8V, typical

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