ISP1582BS ST-Ericsson Inc, ISP1582BS Datasheet - Page 15

• 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
The initialization routine is used when:
The following is a sample code for the endpoint initialization:
void Init_Endpoint(void)
{
Fig 6. Initializing endpoint
• The system is powered up.
• A bus-reset event occurs.
• There is a change from full-speed to high-speed.
//check if device in full speed state
F ull-speed
N o
E ndpoint Index
M axP acketS ize
to the required
of the endpoint
Rev. 04 — 21 December 2006
Initialize the
to full-speed
endpoint
S et the
Initialize the endpoint
S et endpoint type and
index to the required
enable endpoint
A ll endpoints
H igh-speed
configured?
A ll endpoints
configured?
endpoint
or full-
speed
S tart
E nd
ISP1582/83 Firmware Programming Guide
Y es
Y es
M axP acketS ize of
the endpoint to
E ndpoint Index
to the required
high-speed
Initialize the
S et the
endpoint
H igh-speed
N o
AN10039
© NXP B.V. 2006. All rights reserved.
N o
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