●DEVICE OVERVIEW
●This document contains device-specific information for the following devices:
●• PIC18F2458 • PIC18F4458
●• PIC18F2553 • PIC18F4553
●The PIC18F4553 family of devices offers the advantages of all PIC18 microcontrollers – namely, high computational performance at an economical price – with the addition of high-endurance, Enhanced Flash program memory. In addition to these features, the PIC18F4553 family introduces design enhancements that make these microcontrollers a logical choice for many high-performance, power sensitive applications.
●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
