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PIC18F4458 Datasheet(PDF) 3 Page - Microchip Technology |
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PIC18F4458 Datasheet(HTML) 3 Page - Microchip Technology |
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3 / 46 page  © 2007 Microchip Technology Inc. Preliminary DS39887B-page 1 PIC18F2458/2553/4458/4553 Universal Serial Bus Features: • USB V2.0 Compliant • Low Speed (1.5 Mb/s) and Full Speed (12 Mb/s) • Supports Control, Interrupt, Isochronous and Bulk Transfers • Supports up to 32 Endpoints (16 bidirectional) • 1-Kbyte Dual Access RAM for USB • On-Chip USB Transceiver with On-Chip Voltage Regulator • Interface for Off-Chip USB Transceiver • Streaming Parallel Port (SPP) for USB Streaming Transfers (40/44-pin devices only) Power-Managed Modes: • Run: CPU On, Peripherals On • Idle: CPU Off, Peripherals On • Sleep: CPU Off, Peripherals Off • Idle mode Currents Down to 5.8 μA Typical • Sleep mode Currents Down to 0.1 μA Typical • Timer1 Oscillator: 1.1 μA Typical, 32 kHz, 2V • Watchdog Timer: 2.1 μA Typical • Two-Speed Oscillator Start-up Special Microcontroller Features: • C Compiler Optimized Architecture with Optional Extended Instruction Set • 100,000 Erase/Write Cycle Enhanced Flash Program Memory Typical • 1,000,000 Erase/Write Cycle Data EEPROM Memory Typical • Flash/Data EEPROM Retention: > 40 Years • Self-Programmable under Software Control • Priority Levels for Interrupts • 8 x 8 Single-Cycle Hardware Multiplier • Extended Watchdog Timer (WDT): - Programmable period from 41 ms to 131s • Programmable Code Protection • Single-Supply 5V In-Circuit Serial Programming™ (ICSP™) via Two Pins • In-Circuit Debug (ICD) via Two Pins • Optional Dedicated ICD/ICSP Port (44-pin TQFP package only) • Wide Operating Voltage Range (2.0V to 5.5V) Flexible Oscillator Structure: • Four Crystal modes, Including High-Precision PLL for USB • Two External Clock modes, up to 48 MHz • Internal Oscillator Block: - 8 user-selectable frequencies, from 31 kHz to 8 MHz - User-tunable to compensate for frequency drift • Secondary Oscillator using Timer1 @ 32 kHz • Dual Oscillator Options allow Microcontroller and USB module to Run at Different Clock Speeds • Fail-Safe Clock Monitor: - Allows for safe shutdown if any clock stops Peripheral Highlights: • High-Current Sink/Source: 25 mA/25 mA • Three External Interrupts • Four Timer modules (Timer0 to Timer3) • Up to 2 Capture/Compare/PWM (CCP) modules: - Capture is 16-bit, max. resolution 5.2 ns (TCY/16) - Compare is 16-bit, max. resolution 83.3 ns (TCY) - PWM output: PWM resolution is 1 to 10-bits • Enhanced Capture/Compare/PWM (ECCP) module: - Multiple output modes - Selectable polarity - Programmable dead time - Auto-shutdown and auto-restart • Enhanced USART module: - LIN bus support • Master Synchronous Serial Port (MSSP) module supporting 3-wire SPI (all 4 modes) and I2C™ Master and Slave modes • 12-Bit, up to 13-Channel Analog-to-Digital Converter module (A/D) with Programmable Acquisition Time • Dual Analog Comparators with Input Multiplexing Note: This document is supplemented by the “PIC18F2455/2550/4455/4550 Data Sheet” (DS39632). See Section 1.0 “Device Overview”. Device Program Memory Data Memory I/O 12-Bit A/D (ch) CCP/ECCP (PWM) SPP MSSP Timers 8/16-Bit Flash (bytes) # Single-Word Instructions SRAM (bytes) EEPROM (bytes) SPI Master I2C™ PIC18F2458 24K 12288 2048 256 24 10 2/0 No YY 1 2 1/3 PIC18F2553 32K 16384 PIC18F4458 24K 12288 35 13 1/1 Yes PIC18F4553 32K 16384 28/40/44-Pin High-Performance, Enhanced Flash, USB Microcontrollers with 12-Bit A/D and nanoWatt Technology |
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