w681308 Winbond Electronics Corp America, w681308 Datasheet - Page 52

• Manufacturer Part Number: w681308
• Description: Usb Audio Controller
• Manufacturer: Winbond Electronics Corp America

19.
19.1
The W681308 includes a full function USB 2.0 Full Speed controller. It supports U
s
p
handle above applications.
19.2
T
The USB module supports all transfer types (Control, Bulk In, Bulk Out, Interrupt In, Isochronous In, Isochronous Out and
ISO-SYNC) in USB 1.1 spec and W681308 USB embeds 6 Endpoints include Control Endpoint 0. The default descriptors are
stored in the programmable 512x8 Bit RAM. The SIE module is for handle USB series-interface-engine functions. UCOM
tandard USB audio device class and HID device class in Microsoft Windows en
rogrammable 512x8 Bit RAM to store descriptor. In the setting, the USB core includes five interfaces and 6 endpoints to
he USB function block diagram is shown below:
USB Device Controller And Transceiver
Overview
Functional Description
SIE
USB_TST
UCOM
CTRL
REG
Figure 15 USB Function Block Diagram
ISO-SYNC
Bulk-OUT
Endpoint
Endpoint
Endpoint
ISO-OUT
Endpoint
Endpoint
Bulk-IN
ISO-IN
#3
#4
#1
#2
#6
Interrupt-IN
Endpoint
#5
Endpoint
Control
XXXX PRODUCT DESCRIPTION
ADDR_SEL
#0
uC
52
CTL_IN/INT_IN/BULK_IN
CTL_OUT/BULK_OUT
128x16
128x16
TPRAM
TPRAM
TPRAM
TPRAM
256x8
256x8
Descriptor RAM
vironment. The USB core embeds one
SB 2.0 FS standard specification and
512x8
BIST
W681308
Rev1.2