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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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