PIC18F4550 - PIC with Universal Serial Bus Interface

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 �A typical
� Sleep mode currents down to 0.1 �A typical
� Timer1 Oscillator: 1.1 �A typical, 32 kHz, 2V
� Watchdog Timer: 2.1 �A typical
� Two-Speed Oscillator Start-up
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-bit
� 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
� 10-bit, up to 13-channel Analog-to-Digital Converter
module (A/D) with Programmable Acquisition Time
� Dual Analog Comparators with Input Multiplexing
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 devices only)
� Wide Operating Voltage Range (2.0V to 5.5V)