Preliminary
S3C2451X RISC MICROPROCESSOR
USB2.0 DEVICE
17-3
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
TO ACTIVATE USB PORT1 FOR USB 2.0 FUNCTION
USB Function block of S3C2451X shares USB PORT1 with USB Host block. To activate USB PORT1 for USB
Function, see USB control registers in System Controller Guide
.
UTMI Interface
AHB Slave Interface
AHB Master Interface
UPH
SIE
UTMI
FIFO BLOCK
Figure 17-2. USB2.0 Function Block Diagram
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..
UPH (UNIVERSAL PROTOCOL HANDLER)
This block includes state machines and fifo control, control/status register and DMA control block of each direction
endpoint.
UTMI (USB 2.0 TRANSCEIVER MACROCELL INTERFACE)
UTMI interface block connects 16 bit data bus and control signals to USB 2.0 PHY.