ISP1582BS ST-Ericsson Inc, ISP1582BS Datasheet - Page 19

• Manufacturer Part Number: ISP1582BS
• Description: IC USB CTRL HI-SPEED 56HVQFN
• Manufacturer: ST-Ericsson Inc

Specifications of ISP1582BS

• Applications: USB Host/Peripheral Controller
• Interface: USB
• Voltage - Supply: 3 V ~ 3.6 V
• Package / Case: 56-VQFN Exposed Pad, 56-HVQFN, 56-SQFN, 56-DHVQFN
• Mounting Type: Surface Mount
• For Use With: ISP1582 PCI EVALKIT - PCI BUS EVAL KIT ISP1582
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
AN10039_4
Application note
Fig 7. Set-up token with data IN stage
Yes
of data > 64 bytes
ACK interrupt
Next block
IN token
The buffer length and the
VENDP bit of the Control
Function register is not required
when data length is 64 bytes
It is not required to read the buffer length
of the set-up token buffer because all USB
request is 8 bytes in length and the set-up
FIFO is also 8 bytes in length
occur
3.1 Set-up token with data IN stage
Yes
No
No
token process
other set-up
Proceed to
with the partial data
and set the VENDP
Fill the IN endpoint
endpoint to 64
Function register
bit of the Control
Fill the IN
bytes
No
Rev. 04 — 21 December 2006
Yes
No
Fill the IN endpoint
validate using the
request data and
Read the device
request from the
descriptor length
to the control IN
enable the data
with the device
endpoint index
endpoint index
token interrupt
is greater than
Set the DSEN
register or the
Buffer Length
bit register to
ACK interrupt
Set-up token
to the set-up
Initialize the
with data IN
Initialize the
endpoint by
EP0SETUP
whether the
determines
VENDP bit
Descriptor
Data Port
Firmware
endpoint
using bit
64 bytes
64 bytes
length >
IN token
register
Set-up
occurs
stage
occur
Start
Yes
Yes
No
Yes
No
endpoint index
OUT endpoint
to the control
Initialize the
ISP1582/83 Firmware Programming Guide
When the buffer
length is used, bit
VENDP of the Control
Function register is
not required and vice
versa.
STATUS bit to
terminate the
set-up token
with data IN
Set the
generated for the
STATUS stage
AN10039
© NXP B.V. 2006. All rights reserved.
endpoint
No OUT
interrupt
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End