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
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
Untuk informasi lebih lanjut, lihat penjelasan produk ini di data sheet. |
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