PIC18F44J50中文资料微芯科技数据手册PDF规格书

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