PIC18F2458 Data Sheet
http://www.microchip.com/stellent/images/mchpsiteimages/dwnfolder.gifPIC18F2458/2553/4458/4553 Data Sheet (7/11/2007)Universal Serial Bus Features:
ï USB V2.0 Compliant
ï Low Speed (1.5 Mb/s) and Full Speed (12 Mb/s)
ï Supports Control, Interrupt, Isochronous and Bulk
Transfers
ï Supports up to 32 Endpoints (16 bidirectional)
ï 1-Kbyte Dual Access RAM for USB
ï On-Chip USB Transceiver with On-Chip Voltage
Regulator
ï Interface for Off-Chip USB Transceiver
ï Streaming Parallel Port (SPP) for USB Streaming
Transfers (40/44-pin devices only)
Power-Managed Modes:
ï Run: CPU On, Peripherals On
ï Idle: CPU Off, Peripherals On
ï Sleep: CPU Off, Peripherals Off
ï Idle mode Currents Down to 5.8 μA Typical
ï Sleep mode Currents Down to 0.1 μA Typical
ï Timer1 Oscillator: 1.1 μA Typical, 32 kHz, 2V
ï Watchdog Timer: 2.1 μA Typical
ï Two-Speed Oscillator Start-up
Special Microcontroller Features:
ï C Compiler Optimized Architecture with Optional
Extended Instruction Set
ï 100,000 Erase/Write Cycle Enhanced Flash
Program Memory Typical
ï 1,000,000 Erase/Write Cycle Data EEPROM
Memory Typical
ï Flash/Data EEPROM Retention: > 40 Years
ï Self-Programmable under Software Control
ï Priority Levels for Interrupts
ï 8 x 8 Single-Cycle Hardware Multiplier
ï Extended Watchdog Timer (WDT):
- Programmable period from 41 ms to 131s
ï Programmable Code Protection
ï Single-Supply 5V In-Circuit Serial
Programmingô (ICSPô) via Two Pins
ï In-Circuit Debug (ICD) via Two Pins
ï Optional Dedicated ICD/ICSP Port (44-pin TQFP
package only)
ï Wide Operating Voltage Range (2.0V to 5.5V)
Flexible Oscillator Structure:
ï Four Crystal modes, Including High-Precision PLL
for USB
ï Two External Clock modes, up to 48 MHz
ï Internal Oscillator Block:
- 8 user-selectable frequencies, from 31 kHz
to 8 MHz
- User-tunable to compensate for frequency drift
ï Secondary Oscillator using Timer1 @ 32 kHz
ï Dual Oscillator Options allow Microcontroller and
USB module to Run at Different Clock Speeds
ï Fail-Safe Clock Monitor:
- Allows for safe shutdown if any clock stops
Peripheral Highlights:
ï High-Current Sink/Source: 25 mA/25 mA
ï Three External Interrupts
ï Four Timer modules (Timer0 to Timer3)
ï 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
ï Enhanced Capture/Compare/PWM (ECCP) module:
- Multiple output modes
- Selectable polarity
- Programmable dead time
- Auto-shutdown and auto-restart
ï Enhanced USART module:
- LIN bus support
ï Master Synchronous Serial Port (MSSP) module
supporting 3-wire SPI (all 4 modes) and I
2Cô
Master and Slave modes
ï 12-Bit, up to 13-Channel Analog-to-Digital Converter
module (A/D) with Programmable Acquisition Time
ï Dual Analog Comparators with Input Multiplexing
Note: This document is supplemented by
the ìPIC18F2455/2550/4455/4550 Data
Sheetî (DS39632). SeeSection 1.0
ìDevice Overviewî.
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