PIC18F14K50-I/SS SOP-24 Integrated circuit Chip IC Electronics USB Flash Microcontrollers

PIC18F14K50-I/SS

20-Pin USB Flash Microcontrollers with nanoWatt XLP Technology

Universal Serial Bus Features:

• USB V2.0 Compliant SIE

• Full Speed (12 Mb/s) and Low Speed (1.5 Mb/s)

• Supports Control, Interrupt, Isochronous and Bulk Transfers

• Supports up to 16 Endpoints (8 bidirectional)

• 256-byte Dual Access RAM for USB

• Input-change interrupt on D+/D- for detecting physical connection to USB host High Performance RISC CPU:

• C Compiler Optimized Architecture:

- Optional extended instruction set designed to optimize re-entrant code

- 256 bytes, data EEPROM

- Up to 16 Kbytes linear program memory addressing

- Up to 768 bytes linear data memory addressing

• Priority levels for Interrupts

• 8 x 8 Single-Cycle Hardware Multiplier Flexible Oscillator Structure:

• CPU divider to run the core slower than the USB peripheral

• 16 MHz Internal Oscillator Block:

- Software selectable frequencies, 31 kHz to 16 MHz

- Provides a complete range of clock speeds from 31 kHz to 32 MHz when used with PLL

- User tunable to compensate for frequency drift

• Four Crystal modes, up to 48 MHz

• External Clock modes, up to 48 MHz

• 4X Phase Lock Loop (PLL) • Secondary oscillator using Ti

• Fail-Safe Clock Monitor:

- Allows for safe shutdown if primary or secondary oscillator stops

• Two-speed Oscillator Start-up Special Microcontroller Features:

• Full 5.5V Operation – PIC18F1XK50

• 1.8V-3.6V Operation – PIC18LF1XK50

• Self-programmable under Software Control

• Programmable Brown-out Reset (BOR) - With software enable option

• Extended Watchdog Timer (WDT) - Programmable period from 4ms to 131s

• Single-supply 3V In-Circuit Serial Programming™ (ICSP™) via two pins

Analog Features:

• Analog-to-Digital Converter (ADC) module:

- 10-bit resolution, 9 external channels

- Auto acquisition capability

- Conversion available during Sleep

- Internal 1.024V Fixed Voltage Reference (FVR) channel

- Independent input multiplexing

• Dual Analog Comparators - Rail-to-rail operation

- Independent input multiplexing

• Voltage Reference module:

- Programmable (% of VDD), 16 steps

- Two 16-level voltage ranges using VREF pins

- Programmable Fixed Voltage Reference (FVR), 3 levels

• On-chip 3.2V LDO Regulator – (PIC18F1XK50)

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