English
Language : 

PIC18F2458 Datasheet, PDF (3/46 Pages) Microchip Technology – 28/40/44-Pin High-Performance, Enhanced Flash, USB Microcontrollers with 12-Bit A/D and nanoWatt Technology
PIC18F2458/2553/4458/4553
28/40/44-Pin High-Performance, Enhanced Flash, USB
Microcontrollers with 12-Bit A/D and nanoWatt Technology
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
Flash
# Single-Word
SRAM
EEPROM
I/O
12-Bit
A/D (ch)
CCP/ECCP
(PWM)
SPP
(bytes) Instructions (bytes) (bytes)
MSSP
SPI
Master
I2C™
PIC18F2458 24K
PIC18F2553 32K
PIC18F4458 24K
PIC18F4553 32K
12288
16384
12288
16384
24 10
2048 256
35 13
2/0
No
Y
Y
1
1/1
Yes
Timers
8/16-Bit
2 1/3
© 2007 Microchip Technology Inc.
Preliminary
DS39887B-page 1