PIC18F45J50中文資料微芯科技數(shù)據(jù)手冊PDF規(guī)格書

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