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ZORAN Corporation
USBvision II Data Decoder
ZR36505 Data Sheet
1. General Architecture
The following diagram describes the general architecture of the ZR36504, regarding it as a
standard USB device:
Host
Computer
ZR36504
Software Drivers
Buffers
Message
Pipe
End Point 0
CONTROL type
Descriptors &
Configurations
Message
Pipe
Stream Pipe
0.5-7.5Mb/s
Bulk Pipe
0-2Mb/s
End Point4
BULK DATA IN
type
Stream Pipe
64-512Kb/s
ZR36504
Camera
Device
End Point 1
CONTROL type
Register Bank
Control & Status
End Point 2
ISOCHRONOUS
DATA IN type
Video Data
(Compressed or
Raw)
End Point3
ISOCHRONOUS
DATA IN type
Audio Data
November-99
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