Document
PIC16LF1902/3
28-Pin Flash-Based, 8-Bit CMOS MCUs with LCD Driver and XLP Technology
High-Performance RISC CPU
• C Compiler Optimized Architecture • Only 49 Instructions • Operating Speed:
- DC – 20 MHz clock input @ 3.6V - DC – 16 MHz clock input @ 1.8V - 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
Memory
• Up to 7 Kbytes Self-Write/Read Flash Program Memory Addressing
• Up to 256 Bytes Data Memory Addressing • High-Endurance Flash Data Memory (HEF)
- 128B of nonvolatile memory - 100K erase/write cycles
Flexible Oscillator Structure
• 16 MHz Internal Oscillator: - Accuracy to ± 3%, typical - Software selectable frequency range from 16 MHz to 31.25 kHz
• 31 kHz Low-Power Internal Oscillator • Three External Cloc.