PIC18(L)F1XK50
20-Pin USB Flash Microcontrollers with 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 Timer1 at 32 kHz
• 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
Extreme Low-Power Management
PIC18LF1XK50 with XLP Technology
• Sleep mode: 24 nA
• Watchdog Timer: 450 nA
• Timer1 Oscillator: 790 nA @ 32 kHz
Analog Features
• Analog-to-Digital Converter (ADC) module:
- 10-bit resolution, nine 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
Peripheral Highlights
• 14 I/O Pins plus 1 Input-Only Pin:
- High-current sink/source 25 mA/25 mA
- Seven programmable weak pull-ups
- Seven programmable interrupt-on-change
pins
- Three programmable external interrupts
- Programmable slew rate
• Enhanced Capture/Compare/PWM (ECCP)
module:
- One, two, three, or four PWM outputs
- Selectable polarity
- Programmable dead time
- Auto-shutdown and Auto-restart
• Master Synchronous Serial Port (MSSP) module:
- 3-wire SPI (supports all four modes)
- I2C™ Master and Slave modes (Slave mode
address masking)
• Enhanced Universal Synchronous Asynchronous
Receiver Transmitter (EUSART) module:
- Supports RS-485, RS-232 and LIN 2.0
- RS-232 operation using internal oscillator
- Auto-Baud Detect
- Auto-Wake-up on Break
• SR Latch mode
2008-2015 Microchip Technology Inc.
DS40001350F-page 1
