CX82100 Home Network Processor Data Sheet
8.1.2
USB Receive Data Path (Endpoint OUT Channel)
The USB receive data flow is illustrated in Figure 8-3.
Figure 8-3. USB Receive Data Flow
SYNC Pattern
0
0
0
0
0
0
0
1
NRZI
data
Address
Checker
to APB/
DMA I/F
from USB
DIfferential
Transceiver
Serial-to-
NRZI-to-
NRZ
Conversion
Data
Buffer
Data/CRC
Checker
PID
Decode
Sync Field
Indentification
UBL
PLL
Parallel
Conversion
Handshake
Checker
101545_056
8-4
Conexant Proprietary and Confidential Information
101306C