User's Manual

Table Of Contents
USB2.0 DEVICE S3C2450X RISC MICROPROCESSOR
17-4
4 SIE (SERIAL INTERFACE ENGINE)
This block handles NRZI decoding/encoding, CRC generation and checking, and bit-stuffing. It also provides the
interface signals for USB Transceiver.
5 UPH (UNIVERSAL PROTOCOL HANDLER)
This block includes state machines and FIFO control, control/status register and DMA control block of each
direction endpoint.
6 UTMI (USB 2.0 TRANSCEIVER MACROCELL INTERFACE)
UTMI interface block connects 16 bit data bus and control signals to USB 2.0 PHY.