PIC16LF1903-I/MV

PIC 20MHz 闪存：4K@x14bit

* High-Performance RISC CPU: * C Compiler Optimized Architecture * Only 49 Instructions * Up to 7 Kbytes Self-Write/Read Flash Program Memory Addressing * Up to 256 Bytes Data Memory Addressing * 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 * Flexible Oscillator Structure: * 16 MHz Internal Oscillator: * Accurate to ±10%, typical * Software selectable frequency range from 16 MHz to 31.25 kHz * 31 kHz Low-Power Internal Oscillator * Three External Clock modes up to 20 MHz * Two-Speed Oscillator Start-up * Special Microcontroller Features: * Operating Voltage Range: * 1.8V-3.6V * Self-Programmable under Software Control * Power-on Reset POR * Power-up Timer PWRT * Ultra Low-Power Brown-Out Reset ULPBOR * Extended Watchdog Timer WDT * In-Circuit Serial Programming™ ICSP™ via Two Pins * In-Circuit Debug ICD via Two Pins * Enhanced Low-Voltage Programming LVP * Programmable Code Protection * Power-Saving Sleep mode * PIC16LF1902/3 Low-Power Features: * Standby Current: * 60 nA @ 1.8V, typical * Operating Current: * 7.0 µA @ 32 kHz,1.8V, typical * 150 µA @ 1 MHz, 1.8V, typical * Timer1 Oscillator Current: * 600 nA @ 32 kHz, 1.8V, typical * Low-Power Watchdog Timer Current: * 500 nA @ 1.8V, typical * Analog Features: * Analog-to-Digital Converter ADC: * 10-bit resolution, up to 11 channels * Conversion available during Sleep * Dedicated ADC RC oscillator * Fixed Voltage Reference FVR as channel * Integrated Temperature Indicator * Voltage Reference module: * Fixed Voltage Reference FVR with 1.024V and 2.048V output levels * Peripheral Highlights: * Up to 25 I/O Pins and 1 Input-only Pin: * High current 25 mA sink/source * Individually programmable weak pull-ups * Individually programmable interrupt-onchange IOC pins * Integrated LCD Controller: * 19 segment pins and 72 total segments * Variable clock input * Contrast control * Internal voltage reference selections * Timer0: 8-Bit Timer/Counter with 8-Bit Programmable Prescaler * Enhanced Timer1: * 16-bit timer/counter with prescaler * External Gate Input mode * Dedicated low-power 32 kHz oscillator driver