PIC18LF44J50-I/PT

8位微控制器 -MCU Full Spd USB 16KB 4KBRAM nanoWatt

DEVICE OVERVIEW

This document contains device-specific information for the following devices:

• PIC18F24J50     • PIC18LF24J50

• PIC18F25J50    • PIC18LF25J50

• PIC18F26J50    • PIC18LF26J50

• PIC18F44J50    • PIC18LF44J50

• PIC18F45J50    • PIC18LF45J50

• PIC18F46J50    • PIC18LF46J50

This family introduces a new line of low-voltage Universal Serial Bus USB microcontrollers with the main traditional advantage of all PIC18 microcontrollers, namely, high computational performance and a rich feature set at an extremely competitive price point. These features make the PIC18F46J50 family a logical choice for many high-performance applications, where cost is a primary consideration.

**Power Management Features with nanoWatt XLP™ for Extreme Low-Power:**

• Deep Sleep mode: CPU off, Peripherals off, Currents Down to 13 nA and 850 nA with RTCC:

   - Able to wake-up on external triggers, programmable WDT or RTCC alarm

   - Ultra Low-Power Wake-up ULPWU

• Sleep mode: CPU off, Peripherals off, SRAM on, Fast Wake-up, Currents Down to 105 nA, Typical

• Idle: CPU off, Peripherals on, Currents Down to 2.3 A, Typical

• Run: CPU on, Peripherals on, Currents Down to 6.2 A, Typical

• Timer1 Oscillator w/RTCC: 1 A, 32 kHz, Typical

• Watchdog Timer: 0.8 µA, 2V, Typical

**Special Microcontroller Features:**

• Low-Power, High-Speed CMOS Flash Technology

• C Compiler Optimized Architecture for Re-Entrant Code

• Priority Levels for Interrupts

• Self-Programmable under Software Control

• 8 x 8 Single-Cycle Hardware Multiplier

• Extended Watchdog Timer WDT:

   - Programmable period from 4 ms to 131s

• Single-Supply In-Circuit Serial Programming™ ICSP™ via two pins

• In-Circuit Debug ICD w/Three Breakpoints via 2 Pins

• Operating Voltage Range of 2.0V to 3.6V

• On-Chip 2.5V Regulator

• Flash Program Memory of 10,000 Erase/Write Cycles Minimum and 20-Year Data Retention

**Universal Serial Bus USB Features**

• USB V2.0 Compliant

• Full Speed 12 Mbps and Low Speed 1.5 Mbps

• Supports Control, Interrupt, Isochronous and Bulk Transfers

• Supports up to 32 Endpoints 16 bidirectional

• USB module can use any RAM Location on the Device as USB Endpoint Buffers

• On-Chip USB Transceiver with Crystal-less operation

**Flexible Oscillator Structure:**

• High-Precision Internal Oscillator ±0.15% typ. for USB

• Two External Clock modes, up to 48 MHz 12 MIPS

• Low-Power, 31 kHz Internal RC Oscillator

• Tunable Internal Oscillator 31 kHz to 8 MHz, or up to 48 MHz with PLL

• Secondary Oscillator using Timer1 @ 32 kHz

• Fail-Safe Clock Monitor:

   - Allows for safe shutdown if any clock stops

• Two-Speed Oscillator Start-up

• Programmable Reference Clock Output Generator