©
2009 Microchip Technology Inc.
DS51806A-page 8
All of the devices in the family are code compatible with each other and share these
USB capabilities:
• USB 2.0 compliance
• Full-speed (12 Mbps) and low-speed (1.5 Mbps) operation
• Support of control, interrupt, bulk and isochronous transfers
• Support of up to 32 endpoints
• 3.8 Kbytes of dual access RAM for USB or general purpose use
• On-chip features for single chip USB implementation, including:
- USB Serial Interface Engine (SIE)
- USB transceiver
- USB pull-up resistors
- D+ and D- driver output impedance matching resistors
