2. Features
2. Features
<<USB 2.0 host functions>>
• Supports HS (480 Mbps), FS (12 Mbps), and LS (1.5 Mbps) transfer
• Built-in pull-down resistor for downstream ports (no external circuit required)
• Built-in HS termination (no external circuit required)
• Supports control, bulk, interrupt, and isochronous transfers
Proven channel system designed specifically for embedded host
Dedicated control transfer channel x1
Dedicated bulk transfer channel x1
Bulk, interrupt, and isochronous transfer channels x4
• USB power switching interface
<<USB 2.0 device functions>>
• Supports HS (480 Mbps) and FS (12 Mbps) transfer
• Built-in FS/HS termination (no external circuit required)
• VBUS 5V I/F (requires external protective circuit)
• Supports control, bulk, interrupt, and isochronous transfers
• Supports five bulk, interrupt, and isochronous transfers and Endpoint 0
<<MCU I/F>>
• Supports 16-bit width standard CPU bus I/F
• Includes DMA 1ch for each port (multi-word sequence)
• Big Endian (Includes bus-swapping function to support Little Endian CPUs)
• I/F variable voltage (3.3 V to 1.8 V)
<<Miscellaneous>>
• Clock input: Supports 12 MHz/24 MHz crystal oscillator. (built-in oscillator circuit and 1 MΩ feedback
resistor)
• Dedicated terminals for 12/24/48 MHz clock input
• Power supply voltage: 3-voltage system including 3.3 V, 1.8 V, and CPU I/F power supply (3.3 V to 1.8 V)
• Package type QFP14-80, PFBGA8UX81
• Guaranteed operating temperature range: -40°C to 105°C
2
EPSON
S2R72V27 Data Sheet (Rev. 1.00)